updated boost on windows
This commit is contained in:
@@ -6,9 +6,12 @@
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// (C) Copyright 2007-10 Anthony Williams
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// (C) Copyright 2011-2012 Vicente J. Botet Escriba
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#include <boost/thread/pthread/timespec.hpp>
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#include <boost/thread/detail/platform_time.hpp>
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#include <boost/thread/pthread/pthread_mutex_scoped_lock.hpp>
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#include <boost/thread/pthread/pthread_helpers.hpp>
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#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
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#include <boost/thread/interruption.hpp>
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#include <boost/thread/pthread/thread_data.hpp>
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#endif
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#include <boost/thread/pthread/condition_variable_fwd.hpp>
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@@ -18,17 +21,12 @@
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#endif
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#include <boost/thread/detail/delete.hpp>
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#include <algorithm>
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#include <boost/config/abi_prefix.hpp>
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namespace boost
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{
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#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
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namespace this_thread
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{
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void BOOST_THREAD_DECL interruption_point();
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}
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#endif
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namespace thread_cv_detail
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{
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template<typename MutexType>
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@@ -45,9 +43,17 @@ namespace boost
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m_.unlock();
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m=&m_;
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}
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~lock_on_exit()
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void deactivate()
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{
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if(m)
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if (m)
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{
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m->lock();
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}
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m = 0;
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}
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~lock_on_exit() BOOST_NOEXCEPT_IF(false)
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{
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if (m)
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{
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m->lock();
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}
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@@ -70,10 +76,13 @@ namespace boost
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detail::interruption_checker check_for_interruption(&internal_mutex,&cond);
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pthread_mutex_t* the_mutex = &internal_mutex;
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guard.activate(m);
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res = pthread_cond_wait(&cond,the_mutex);
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check_for_interruption.unlock_if_locked();
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guard.deactivate();
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#else
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pthread_mutex_t* the_mutex = m.mutex()->native_handle();
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#endif
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res = pthread_cond_wait(&cond,the_mutex);
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#endif
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}
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#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
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this_thread::interruption_point();
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@@ -84,9 +93,18 @@ namespace boost
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}
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}
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// When this function returns true:
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// * A notification (or sometimes a spurious OS signal) has been received
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// * Do not assume that the timeout has not been reached
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// * Do not assume that the predicate has been changed
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//
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// When this function returns false:
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// * The timeout has been reached
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// * Do not assume that a notification has not been received
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// * Do not assume that the predicate has not been changed
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inline bool condition_variable::do_wait_until(
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unique_lock<mutex>& m,
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struct timespec const &timeout)
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detail::internal_platform_timepoint const &timeout)
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{
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#if defined BOOST_THREAD_THROW_IF_PRECONDITION_NOT_SATISFIED
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if (!m.owns_lock())
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@@ -101,10 +119,13 @@ namespace boost
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detail::interruption_checker check_for_interruption(&internal_mutex,&cond);
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pthread_mutex_t* the_mutex = &internal_mutex;
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guard.activate(m);
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cond_res=pthread_cond_timedwait(&cond,the_mutex,&timeout.getTs());
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check_for_interruption.unlock_if_locked();
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guard.deactivate();
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#else
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pthread_mutex_t* the_mutex = m.mutex()->native_handle();
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cond_res=pthread_cond_timedwait(&cond,the_mutex,&timeout.getTs());
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#endif
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cond_res=pthread_cond_timedwait(&cond,the_mutex,&timeout);
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}
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#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
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this_thread::interruption_point();
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@@ -150,11 +171,11 @@ namespace boost
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{
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boost::throw_exception(thread_resource_error(res, "boost::condition_variable_any::condition_variable_any() failed in pthread_mutex_init"));
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}
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int const res2 = detail::monotonic_pthread_cond_init(cond);
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int const res2 = pthread::cond_init(cond);
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if(res2)
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{
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BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex));
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boost::throw_exception(thread_resource_error(res2, "boost::condition_variable_any::condition_variable_any() failed in detail::monotonic_pthread_cond_init"));
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boost::throw_exception(thread_resource_error(res2, "boost::condition_variable_any::condition_variable_any() failed in pthread::cond_init"));
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}
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}
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~condition_variable_any()
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@@ -176,6 +197,8 @@ namespace boost
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#endif
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guard.activate(m);
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res=pthread_cond_wait(&cond,&internal_mutex);
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check_for_interruption.unlock_if_locked();
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guard.deactivate();
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}
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#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
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this_thread::interruption_point();
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@@ -189,18 +212,38 @@ namespace boost
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template<typename lock_type,typename predicate_type>
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void wait(lock_type& m,predicate_type pred)
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{
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while(!pred()) wait(m);
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while (!pred())
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{
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wait(m);
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}
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}
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#if defined BOOST_THREAD_USES_DATETIME
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template<typename lock_type>
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bool timed_wait(lock_type& m,boost::system_time const& abs_time)
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{
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struct timespec const timeout=detail::to_timespec(abs_time);
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return do_wait_until(m, timeout);
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#if defined BOOST_THREAD_WAIT_BUG
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const detail::real_platform_timepoint ts(abs_time + BOOST_THREAD_WAIT_BUG);
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#else
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const detail::real_platform_timepoint ts(abs_time);
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#endif
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#if defined BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
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// The system time may jump while this function is waiting. To compensate for this and time
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// out near the correct time, we could call do_wait_until() in a loop with a short timeout
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// and recheck the time remaining each time through the loop. However, because we can't
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// check the predicate each time do_wait_until() completes, this introduces the possibility
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// of not exiting the function when a notification occurs, since do_wait_until() may report
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// that it timed out even though a notification was received. The best this function can do
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// is report correctly whether or not it reached the timeout time.
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const detail::platform_duration d(ts - detail::real_platform_clock::now());
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do_wait_until(m, detail::internal_platform_clock::now() + d);
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return ts > detail::real_platform_clock::now();
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#else
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return do_wait_until(m, ts);
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#endif
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}
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template<typename lock_type>
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bool timed_wait(lock_type& m,xtime const& abs_time)
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bool timed_wait(lock_type& m,::boost::xtime const& abs_time)
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{
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return timed_wait(m,system_time(abs_time));
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}
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@@ -208,22 +251,59 @@ namespace boost
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template<typename lock_type,typename duration_type>
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bool timed_wait(lock_type& m,duration_type const& wait_duration)
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{
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return timed_wait(m,get_system_time()+wait_duration);
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if (wait_duration.is_pos_infinity())
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{
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wait(m);
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return true;
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}
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if (wait_duration.is_special())
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{
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return true;
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}
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detail::platform_duration d(wait_duration);
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#if defined(BOOST_THREAD_HAS_MONO_CLOCK) && !defined(BOOST_THREAD_INTERNAL_CLOCK_IS_MONO)
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// The system time may jump while this function is waiting. To compensate for this and time
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// out near the correct time, we could call do_wait_until() in a loop with a short timeout
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// and recheck the time remaining each time through the loop. However, because we can't
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// check the predicate each time do_wait_until() completes, this introduces the possibility
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// of not exiting the function when a notification occurs, since do_wait_until() may report
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// that it timed out even though a notification was received. The best this function can do
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// is report correctly whether or not it reached the timeout time.
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const detail::mono_platform_timepoint ts(detail::mono_platform_clock::now() + d);
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do_wait_until(m, detail::internal_platform_clock::now() + d);
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return ts > detail::mono_platform_clock::now();
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#else
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return do_wait_until(m, detail::internal_platform_clock::now() + d);
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#endif
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}
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template<typename lock_type,typename predicate_type>
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bool timed_wait(lock_type& m,boost::system_time const& abs_time, predicate_type pred)
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{
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#if defined BOOST_THREAD_WAIT_BUG
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const detail::real_platform_timepoint ts(abs_time + BOOST_THREAD_WAIT_BUG);
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#else
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const detail::real_platform_timepoint ts(abs_time);
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#endif
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while (!pred())
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{
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if(!timed_wait(m, abs_time))
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return pred();
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#if defined BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
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// The system time may jump while this function is waiting. To compensate for this
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// and time out near the correct time, we call do_wait_until() in a loop with a
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// short timeout and recheck the time remaining each time through the loop.
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detail::platform_duration d(ts - detail::real_platform_clock::now());
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if (d <= detail::platform_duration::zero()) break; // timeout occurred
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d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
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do_wait_until(m, detail::internal_platform_clock::now() + d);
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#else
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if (!do_wait_until(m, ts)) break; // timeout occurred
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#endif
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}
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return true;
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return pred();
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}
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template<typename lock_type,typename predicate_type>
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bool timed_wait(lock_type& m,xtime const& abs_time, predicate_type pred)
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bool timed_wait(lock_type& m,::boost::xtime const& abs_time, predicate_type pred)
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{
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return timed_wait(m,system_time(abs_time),pred);
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}
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@@ -231,24 +311,52 @@ namespace boost
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template<typename lock_type,typename duration_type,typename predicate_type>
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bool timed_wait(lock_type& m,duration_type const& wait_duration,predicate_type pred)
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{
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return timed_wait(m,get_system_time()+wait_duration,pred);
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if (wait_duration.is_pos_infinity())
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{
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while (!pred())
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{
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wait(m);
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}
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return true;
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}
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if (wait_duration.is_special())
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{
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return pred();
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}
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detail::platform_duration d(wait_duration);
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#if defined(BOOST_THREAD_HAS_MONO_CLOCK) && !defined(BOOST_THREAD_INTERNAL_CLOCK_IS_MONO)
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// The system time may jump while this function is waiting. To compensate for this
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// and time out near the correct time, we call do_wait_until() in a loop with a
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// short timeout and recheck the time remaining each time through the loop.
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const detail::mono_platform_timepoint ts(detail::mono_platform_clock::now() + d);
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while (!pred())
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{
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if (d <= detail::platform_duration::zero()) break; // timeout occurred
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d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
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do_wait_until(m, detail::internal_platform_clock::now() + d);
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d = ts - detail::mono_platform_clock::now();
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}
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#else
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const detail::internal_platform_timepoint ts(detail::internal_platform_clock::now() + d);
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while (!pred())
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{
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if (!do_wait_until(m, ts)) break; // timeout occurred
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}
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#endif
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return pred();
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}
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#endif
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#ifndef BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
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#ifdef BOOST_THREAD_USES_CHRONO
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template <class lock_type,class Duration>
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cv_status
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wait_until(
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lock_type& lock,
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const chrono::time_point<chrono::system_clock, Duration>& t)
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const chrono::time_point<detail::internal_chrono_clock, Duration>& t)
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{
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using namespace chrono;
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typedef time_point<system_clock, nanoseconds> nano_sys_tmpt;
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wait_until(lock,
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nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
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return system_clock::now() < t ? cv_status::no_timeout :
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cv_status::timeout;
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const boost::detail::internal_platform_timepoint ts(t);
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if (do_wait_until(lock, ts)) return cv_status::no_timeout;
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else return cv_status::timeout;
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}
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template <class lock_type, class Clock, class Duration>
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@@ -257,11 +365,18 @@ namespace boost
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lock_type& lock,
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const chrono::time_point<Clock, Duration>& t)
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{
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using namespace chrono;
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system_clock::time_point s_now = system_clock::now();
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typename Clock::time_point c_now = Clock::now();
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wait_until(lock, s_now + ceil<nanoseconds>(t - c_now));
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return Clock::now() < t ? cv_status::no_timeout : cv_status::timeout;
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// The system time may jump while this function is waiting. To compensate for this and time
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// out near the correct time, we could call do_wait_until() in a loop with a short timeout
|
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// and recheck the time remaining each time through the loop. However, because we can't
|
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// check the predicate each time do_wait_until() completes, this introduces the possibility
|
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// of not exiting the function when a notification occurs, since do_wait_until() may report
|
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// that it timed out even though a notification was received. The best this function can do
|
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// is report correctly whether or not it reached the timeout time.
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typedef typename common_type<Duration, typename Clock::duration>::type common_duration;
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common_duration d(t - Clock::now());
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do_wait_until(lock, detail::internal_chrono_clock::now() + d);
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if (t > Clock::now()) return cv_status::no_timeout;
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else return cv_status::timeout;
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}
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template <class lock_type, class Rep, class Period>
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@@ -270,86 +385,24 @@ namespace boost
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lock_type& lock,
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const chrono::duration<Rep, Period>& d)
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{
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using namespace chrono;
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system_clock::time_point s_now = system_clock::now();
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steady_clock::time_point c_now = steady_clock::now();
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wait_until(lock, s_now + ceil<nanoseconds>(d));
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return steady_clock::now() - c_now < d ? cv_status::no_timeout :
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cv_status::timeout;
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return wait_until(lock, chrono::steady_clock::now() + d);
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}
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template <class lock_type>
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cv_status wait_until(
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lock_type& lk,
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chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp)
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{
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using namespace chrono;
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nanoseconds d = tp.time_since_epoch();
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timespec ts = boost::detail::to_timespec(d);
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if (do_wait_until(lk, ts)) return cv_status::no_timeout;
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else return cv_status::timeout;
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}
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#endif
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#else // defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
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#ifdef BOOST_THREAD_USES_CHRONO
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template <class lock_type, class Duration>
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cv_status
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template <class lock_type, class Duration, class Predicate>
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bool
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wait_until(
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lock_type& lock,
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const chrono::time_point<chrono::steady_clock, Duration>& t)
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lock_type& lock,
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const chrono::time_point<detail::internal_chrono_clock, Duration>& t,
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Predicate pred)
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{
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using namespace chrono;
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typedef time_point<steady_clock, nanoseconds> nano_sys_tmpt;
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wait_until(lock,
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nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
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return steady_clock::now() < t ? cv_status::no_timeout :
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cv_status::timeout;
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const detail::internal_platform_timepoint ts(t);
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while (!pred())
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{
|
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if (!do_wait_until(lock, ts)) break; // timeout occurred
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}
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return pred();
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}
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template <class lock_type, class Clock, class Duration>
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cv_status
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wait_until(
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lock_type& lock,
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const chrono::time_point<Clock, Duration>& t)
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{
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using namespace chrono;
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steady_clock::time_point s_now = steady_clock::now();
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typename Clock::time_point c_now = Clock::now();
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wait_until(lock, s_now + ceil<nanoseconds>(t - c_now));
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return Clock::now() < t ? cv_status::no_timeout : cv_status::timeout;
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}
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template <class lock_type, class Rep, class Period>
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cv_status
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wait_for(
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lock_type& lock,
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const chrono::duration<Rep, Period>& d)
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{
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using namespace chrono;
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steady_clock::time_point c_now = steady_clock::now();
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wait_until(lock, c_now + ceil<nanoseconds>(d));
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return steady_clock::now() - c_now < d ? cv_status::no_timeout :
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cv_status::timeout;
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}
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template <class lock_type>
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inline cv_status wait_until(
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lock_type& lock,
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chrono::time_point<chrono::steady_clock, chrono::nanoseconds> tp)
|
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{
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using namespace chrono;
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nanoseconds d = tp.time_since_epoch();
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timespec ts = boost::detail::to_timespec(d);
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if (do_wait_until(lock, ts)) return cv_status::no_timeout;
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else return cv_status::timeout;
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}
|
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#endif
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#endif // defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
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#ifdef BOOST_THREAD_USES_CHRONO
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template <class lock_type, class Clock, class Duration, class Predicate>
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bool
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wait_until(
|
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@@ -357,12 +410,18 @@ namespace boost
|
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const chrono::time_point<Clock, Duration>& t,
|
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Predicate pred)
|
||||
{
|
||||
// The system time may jump while this function is waiting. To compensate for this
|
||||
// and time out near the correct time, we call do_wait_until() in a loop with a
|
||||
// short timeout and recheck the time remaining each time through the loop.
|
||||
typedef typename common_type<Duration, typename Clock::duration>::type common_duration;
|
||||
while (!pred())
|
||||
{
|
||||
if (wait_until(lock, t) == cv_status::timeout)
|
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return pred();
|
||||
common_duration d(t - Clock::now());
|
||||
if (d <= common_duration::zero()) break; // timeout occurred
|
||||
d = (std::min)(d, common_duration(chrono::milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS)));
|
||||
do_wait_until(lock, detail::internal_platform_clock::now() + detail::platform_duration(d));
|
||||
}
|
||||
return true;
|
||||
return pred();
|
||||
}
|
||||
|
||||
template <class lock_type, class Rep, class Period, class Predicate>
|
||||
@@ -372,7 +431,7 @@ namespace boost
|
||||
const chrono::duration<Rep, Period>& d,
|
||||
Predicate pred)
|
||||
{
|
||||
return wait_until(lock, chrono::steady_clock::now() + d, boost::move(pred));
|
||||
return wait_until(lock, chrono::steady_clock::now() + d, boost::move(pred));
|
||||
}
|
||||
#endif
|
||||
|
||||
@@ -387,12 +446,21 @@ namespace boost
|
||||
boost::pthread::pthread_mutex_scoped_lock internal_lock(&internal_mutex);
|
||||
BOOST_VERIFY(!pthread_cond_broadcast(&cond));
|
||||
}
|
||||
private: // used by boost::thread::try_join_until
|
||||
private:
|
||||
|
||||
// When this function returns true:
|
||||
// * A notification (or sometimes a spurious OS signal) has been received
|
||||
// * Do not assume that the timeout has not been reached
|
||||
// * Do not assume that the predicate has been changed
|
||||
//
|
||||
// When this function returns false:
|
||||
// * The timeout has been reached
|
||||
// * Do not assume that a notification has not been received
|
||||
// * Do not assume that the predicate has not been changed
|
||||
template <class lock_type>
|
||||
bool do_wait_until(
|
||||
lock_type& m,
|
||||
struct timespec const &timeout)
|
||||
detail::internal_platform_timepoint const &timeout)
|
||||
{
|
||||
int res=0;
|
||||
{
|
||||
@@ -403,7 +471,9 @@ namespace boost
|
||||
boost::pthread::pthread_mutex_scoped_lock check_for_interruption(&internal_mutex);
|
||||
#endif
|
||||
guard.activate(m);
|
||||
res=pthread_cond_timedwait(&cond,&internal_mutex,&timeout);
|
||||
res=pthread_cond_timedwait(&cond,&internal_mutex,&timeout.getTs());
|
||||
check_for_interruption.unlock_if_locked();
|
||||
guard.deactivate();
|
||||
}
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
this_thread::interruption_point();
|
||||
@@ -419,7 +489,6 @@ namespace boost
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#include <boost/config/abi_suffix.hpp>
|
||||
|
||||
@@ -13,7 +13,9 @@
|
||||
#include <boost/thread/mutex.hpp>
|
||||
#include <boost/thread/lock_types.hpp>
|
||||
#include <boost/thread/thread_time.hpp>
|
||||
#include <boost/thread/pthread/timespec.hpp>
|
||||
#include <boost/thread/detail/platform_time.hpp>
|
||||
#include <boost/thread/pthread/pthread_helpers.hpp>
|
||||
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
#include <boost/thread/xtime.hpp>
|
||||
#endif
|
||||
@@ -25,96 +27,63 @@
|
||||
#include <boost/thread/detail/delete.hpp>
|
||||
#include <boost/date_time/posix_time/posix_time_duration.hpp>
|
||||
|
||||
#include <algorithm>
|
||||
|
||||
#include <boost/config/abi_prefix.hpp>
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace detail {
|
||||
inline int monotonic_pthread_cond_init(pthread_cond_t& cond) {
|
||||
|
||||
#ifdef BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
|
||||
pthread_condattr_t attr;
|
||||
int res = pthread_condattr_init(&attr);
|
||||
if (res)
|
||||
{
|
||||
return res;
|
||||
}
|
||||
pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
|
||||
res=pthread_cond_init(&cond,&attr);
|
||||
pthread_condattr_destroy(&attr);
|
||||
return res;
|
||||
#else
|
||||
return pthread_cond_init(&cond,NULL);
|
||||
#endif
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
class condition_variable
|
||||
{
|
||||
private:
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
pthread_mutex_t internal_mutex;
|
||||
#endif
|
||||
//#endif
|
||||
pthread_cond_t cond;
|
||||
|
||||
public:
|
||||
//private: // used by boost::thread::try_join_until
|
||||
|
||||
inline bool do_wait_until(
|
||||
bool do_wait_until(
|
||||
unique_lock<mutex>& lock,
|
||||
struct timespec const &timeout);
|
||||
|
||||
bool do_wait_for(
|
||||
unique_lock<mutex>& lock,
|
||||
struct timespec const &timeout)
|
||||
{
|
||||
#if ! defined BOOST_THREAD_USEFIXES_TIMESPEC
|
||||
return do_wait_until(lock, boost::detail::timespec_plus(timeout, boost::detail::timespec_now()));
|
||||
#elif ! defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
|
||||
//using namespace chrono;
|
||||
//nanoseconds ns = chrono::system_clock::now().time_since_epoch();
|
||||
|
||||
struct timespec ts = boost::detail::timespec_now_realtime();
|
||||
//ts.tv_sec = static_cast<long>(chrono::duration_cast<chrono::seconds>(ns).count());
|
||||
//ts.tv_nsec = static_cast<long>((ns - chrono::duration_cast<chrono::seconds>(ns)).count());
|
||||
return do_wait_until(lock, boost::detail::timespec_plus(timeout, ts));
|
||||
#else
|
||||
// old behavior was fine for monotonic
|
||||
return do_wait_until(lock, boost::detail::timespec_plus(timeout, boost::detail::timespec_now_realtime()));
|
||||
#endif
|
||||
}
|
||||
detail::internal_platform_timepoint const &timeout);
|
||||
|
||||
public:
|
||||
BOOST_THREAD_NO_COPYABLE(condition_variable)
|
||||
condition_variable()
|
||||
{
|
||||
int res;
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
// Even if it is not used, the internal_mutex exists (see
|
||||
// above) and must be initialized (etc) in case some
|
||||
// compilation units provide interruptions and others
|
||||
// don't.
|
||||
res=pthread_mutex_init(&internal_mutex,NULL);
|
||||
if(res)
|
||||
{
|
||||
boost::throw_exception(thread_resource_error(res, "boost::condition_variable::condition_variable() constructor failed in pthread_mutex_init"));
|
||||
}
|
||||
#endif
|
||||
res = detail::monotonic_pthread_cond_init(cond);
|
||||
//#endif
|
||||
res = pthread::cond_init(cond);
|
||||
if (res)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
// ditto
|
||||
BOOST_VERIFY(!pthread_mutex_destroy(&internal_mutex));
|
||||
#endif
|
||||
boost::throw_exception(thread_resource_error(res, "boost::condition_variable::condition_variable() constructor failed in detail::monotonic_pthread_cond_init"));
|
||||
//#endif
|
||||
boost::throw_exception(thread_resource_error(res, "boost::condition_variable::condition_variable() constructor failed in pthread::cond_init"));
|
||||
}
|
||||
}
|
||||
~condition_variable()
|
||||
{
|
||||
int ret;
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
// ditto
|
||||
do {
|
||||
ret = pthread_mutex_destroy(&internal_mutex);
|
||||
} while (ret == EINTR);
|
||||
BOOST_ASSERT(!ret);
|
||||
#endif
|
||||
//#endif
|
||||
do {
|
||||
ret = pthread_cond_destroy(&cond);
|
||||
} while (ret == EINTR);
|
||||
@@ -126,25 +95,40 @@ namespace boost
|
||||
template<typename predicate_type>
|
||||
void wait(unique_lock<mutex>& m,predicate_type pred)
|
||||
{
|
||||
while(!pred()) wait(m);
|
||||
while (!pred())
|
||||
{
|
||||
wait(m);
|
||||
}
|
||||
}
|
||||
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
inline bool timed_wait(
|
||||
bool timed_wait(
|
||||
unique_lock<mutex>& m,
|
||||
boost::system_time const& abs_time)
|
||||
{
|
||||
#if defined BOOST_THREAD_WAIT_BUG
|
||||
struct timespec const timeout=detail::to_timespec(abs_time + BOOST_THREAD_WAIT_BUG);
|
||||
return do_wait_until(m, timeout);
|
||||
const detail::real_platform_timepoint ts(abs_time + BOOST_THREAD_WAIT_BUG);
|
||||
#else
|
||||
struct timespec const timeout=detail::to_timespec(abs_time);
|
||||
return do_wait_until(m, timeout);
|
||||
const detail::real_platform_timepoint ts(abs_time);
|
||||
#endif
|
||||
#if defined BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
|
||||
// The system time may jump while this function is waiting. To compensate for this and time
|
||||
// out near the correct time, we could call do_wait_until() in a loop with a short timeout
|
||||
// and recheck the time remaining each time through the loop. However, because we can't
|
||||
// check the predicate each time do_wait_until() completes, this introduces the possibility
|
||||
// of not exiting the function when a notification occurs, since do_wait_until() may report
|
||||
// that it timed out even though a notification was received. The best this function can do
|
||||
// is report correctly whether or not it reached the timeout time.
|
||||
const detail::platform_duration d(ts - detail::real_platform_clock::now());
|
||||
do_wait_until(m, detail::internal_platform_clock::now() + d);
|
||||
return ts > detail::real_platform_clock::now();
|
||||
#else
|
||||
return do_wait_until(m, ts);
|
||||
#endif
|
||||
}
|
||||
bool timed_wait(
|
||||
unique_lock<mutex>& m,
|
||||
xtime const& abs_time)
|
||||
::boost::xtime const& abs_time)
|
||||
{
|
||||
return timed_wait(m,system_time(abs_time));
|
||||
}
|
||||
@@ -156,14 +140,28 @@ namespace boost
|
||||
{
|
||||
if (wait_duration.is_pos_infinity())
|
||||
{
|
||||
wait(m); // or do_wait(m,detail::timeout::sentinel());
|
||||
wait(m);
|
||||
return true;
|
||||
}
|
||||
if (wait_duration.is_special())
|
||||
{
|
||||
return true;
|
||||
}
|
||||
return timed_wait(m,get_system_time()+wait_duration);
|
||||
detail::platform_duration d(wait_duration);
|
||||
#if defined(BOOST_THREAD_HAS_MONO_CLOCK) && !defined(BOOST_THREAD_INTERNAL_CLOCK_IS_MONO)
|
||||
// The system time may jump while this function is waiting. To compensate for this and time
|
||||
// out near the correct time, we could call do_wait_until() in a loop with a short timeout
|
||||
// and recheck the time remaining each time through the loop. However, because we can't
|
||||
// check the predicate each time do_wait_until() completes, this introduces the possibility
|
||||
// of not exiting the function when a notification occurs, since do_wait_until() may report
|
||||
// that it timed out even though a notification was received. The best this function can do
|
||||
// is report correctly whether or not it reached the timeout time.
|
||||
const detail::mono_platform_timepoint ts(detail::mono_platform_clock::now() + d);
|
||||
do_wait_until(m, detail::internal_platform_clock::now() + d);
|
||||
return ts > detail::mono_platform_clock::now();
|
||||
#else
|
||||
return do_wait_until(m, detail::internal_platform_clock::now() + d);
|
||||
#endif
|
||||
}
|
||||
|
||||
template<typename predicate_type>
|
||||
@@ -171,18 +169,32 @@ namespace boost
|
||||
unique_lock<mutex>& m,
|
||||
boost::system_time const& abs_time,predicate_type pred)
|
||||
{
|
||||
#if defined BOOST_THREAD_WAIT_BUG
|
||||
const detail::real_platform_timepoint ts(abs_time + BOOST_THREAD_WAIT_BUG);
|
||||
#else
|
||||
const detail::real_platform_timepoint ts(abs_time);
|
||||
#endif
|
||||
while (!pred())
|
||||
{
|
||||
if(!timed_wait(m, abs_time))
|
||||
return pred();
|
||||
#if defined BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
|
||||
// The system time may jump while this function is waiting. To compensate for this
|
||||
// and time out near the correct time, we call do_wait_until() in a loop with a
|
||||
// short timeout and recheck the time remaining each time through the loop.
|
||||
detail::platform_duration d(ts - detail::real_platform_clock::now());
|
||||
if (d <= detail::platform_duration::zero()) break; // timeout occurred
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
do_wait_until(m, detail::internal_platform_clock::now() + d);
|
||||
#else
|
||||
if (!do_wait_until(m, ts)) break; // timeout occurred
|
||||
#endif
|
||||
}
|
||||
return true;
|
||||
return pred();
|
||||
}
|
||||
|
||||
template<typename predicate_type>
|
||||
bool timed_wait(
|
||||
unique_lock<mutex>& m,
|
||||
xtime const& abs_time,predicate_type pred)
|
||||
::boost::xtime const& abs_time,predicate_type pred)
|
||||
{
|
||||
return timed_wait(m,system_time(abs_time),pred);
|
||||
}
|
||||
@@ -196,7 +208,7 @@ namespace boost
|
||||
{
|
||||
while (!pred())
|
||||
{
|
||||
wait(m); // or do_wait(m,detail::timeout::sentinel());
|
||||
wait(m);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
@@ -204,26 +216,41 @@ namespace boost
|
||||
{
|
||||
return pred();
|
||||
}
|
||||
return timed_wait(m,get_system_time()+wait_duration,pred);
|
||||
detail::platform_duration d(wait_duration);
|
||||
#if defined(BOOST_THREAD_HAS_MONO_CLOCK) && !defined(BOOST_THREAD_INTERNAL_CLOCK_IS_MONO)
|
||||
// The system time may jump while this function is waiting. To compensate for this
|
||||
// and time out near the correct time, we call do_wait_until() in a loop with a
|
||||
// short timeout and recheck the time remaining each time through the loop.
|
||||
const detail::mono_platform_timepoint ts(detail::mono_platform_clock::now() + d);
|
||||
while (!pred())
|
||||
{
|
||||
if (d <= detail::platform_duration::zero()) break; // timeout occurred
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
do_wait_until(m, detail::internal_platform_clock::now() + d);
|
||||
d = ts - detail::mono_platform_clock::now();
|
||||
}
|
||||
#else
|
||||
const detail::internal_platform_timepoint ts(detail::internal_platform_clock::now() + d);
|
||||
while (!pred())
|
||||
{
|
||||
if (!do_wait_until(m, ts)) break; // timeout occurred
|
||||
}
|
||||
#endif
|
||||
return pred();
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifndef BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
|
||||
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
|
||||
template <class Duration>
|
||||
cv_status
|
||||
wait_until(
|
||||
unique_lock<mutex>& lock,
|
||||
const chrono::time_point<chrono::system_clock, Duration>& t)
|
||||
const chrono::time_point<detail::internal_chrono_clock, Duration>& t)
|
||||
{
|
||||
using namespace chrono;
|
||||
typedef time_point<system_clock, nanoseconds> nano_sys_tmpt;
|
||||
wait_until(lock,
|
||||
nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
|
||||
return system_clock::now() < t ? cv_status::no_timeout :
|
||||
cv_status::timeout;
|
||||
const detail::internal_platform_timepoint ts(t);
|
||||
if (do_wait_until(lock, ts)) return cv_status::no_timeout;
|
||||
else return cv_status::timeout;
|
||||
}
|
||||
|
||||
template <class Clock, class Duration>
|
||||
@@ -232,100 +259,44 @@ namespace boost
|
||||
unique_lock<mutex>& lock,
|
||||
const chrono::time_point<Clock, Duration>& t)
|
||||
{
|
||||
using namespace chrono;
|
||||
system_clock::time_point s_now = system_clock::now();
|
||||
typename Clock::time_point c_now = Clock::now();
|
||||
wait_until(lock, s_now + ceil<nanoseconds>(t - c_now));
|
||||
return Clock::now() < t ? cv_status::no_timeout : cv_status::timeout;
|
||||
// The system time may jump while this function is waiting. To compensate for this and time
|
||||
// out near the correct time, we could call do_wait_until() in a loop with a short timeout
|
||||
// and recheck the time remaining each time through the loop. However, because we can't
|
||||
// check the predicate each time do_wait_until() completes, this introduces the possibility
|
||||
// of not exiting the function when a notification occurs, since do_wait_until() may report
|
||||
// that it timed out even though a notification was received. The best this function can do
|
||||
// is report correctly whether or not it reached the timeout time.
|
||||
typedef typename common_type<Duration, typename Clock::duration>::type common_duration;
|
||||
common_duration d(t - Clock::now());
|
||||
do_wait_until(lock, detail::internal_chrono_clock::now() + d);
|
||||
if (t > Clock::now()) return cv_status::no_timeout;
|
||||
else return cv_status::timeout;
|
||||
}
|
||||
|
||||
|
||||
|
||||
template <class Rep, class Period>
|
||||
cv_status
|
||||
wait_for(
|
||||
unique_lock<mutex>& lock,
|
||||
const chrono::duration<Rep, Period>& d)
|
||||
{
|
||||
using namespace chrono;
|
||||
system_clock::time_point s_now = system_clock::now();
|
||||
steady_clock::time_point c_now = steady_clock::now();
|
||||
wait_until(lock, s_now + ceil<nanoseconds>(d));
|
||||
return steady_clock::now() - c_now < d ? cv_status::no_timeout :
|
||||
cv_status::timeout;
|
||||
|
||||
return wait_until(lock, chrono::steady_clock::now() + d);
|
||||
}
|
||||
|
||||
inline cv_status wait_until(
|
||||
unique_lock<mutex>& lk,
|
||||
chrono::time_point<chrono::system_clock, chrono::nanoseconds> tp)
|
||||
{
|
||||
using namespace chrono;
|
||||
nanoseconds d = tp.time_since_epoch();
|
||||
timespec ts = boost::detail::to_timespec(d);
|
||||
if (do_wait_until(lk, ts)) return cv_status::no_timeout;
|
||||
else return cv_status::timeout;
|
||||
}
|
||||
#endif
|
||||
|
||||
#else // defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
|
||||
template <class Duration>
|
||||
cv_status
|
||||
template <class Duration, class Predicate>
|
||||
bool
|
||||
wait_until(
|
||||
unique_lock<mutex>& lock,
|
||||
const chrono::time_point<chrono::steady_clock, Duration>& t)
|
||||
unique_lock<mutex>& lock,
|
||||
const chrono::time_point<detail::internal_chrono_clock, Duration>& t,
|
||||
Predicate pred)
|
||||
{
|
||||
using namespace chrono;
|
||||
typedef time_point<steady_clock, nanoseconds> nano_sys_tmpt;
|
||||
wait_until(lock,
|
||||
nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
|
||||
return steady_clock::now() < t ? cv_status::no_timeout :
|
||||
cv_status::timeout;
|
||||
const detail::internal_platform_timepoint ts(t);
|
||||
while (!pred())
|
||||
{
|
||||
if (!do_wait_until(lock, ts)) break; // timeout occurred
|
||||
}
|
||||
return pred();
|
||||
}
|
||||
|
||||
template <class Clock, class Duration>
|
||||
cv_status
|
||||
wait_until(
|
||||
unique_lock<mutex>& lock,
|
||||
const chrono::time_point<Clock, Duration>& t)
|
||||
{
|
||||
using namespace chrono;
|
||||
steady_clock::time_point s_now = steady_clock::now();
|
||||
typename Clock::time_point c_now = Clock::now();
|
||||
wait_until(lock, s_now + ceil<nanoseconds>(t - c_now));
|
||||
return Clock::now() < t ? cv_status::no_timeout : cv_status::timeout;
|
||||
}
|
||||
|
||||
template <class Rep, class Period>
|
||||
cv_status
|
||||
wait_for(
|
||||
unique_lock<mutex>& lock,
|
||||
const chrono::duration<Rep, Period>& d)
|
||||
{
|
||||
using namespace chrono;
|
||||
steady_clock::time_point c_now = steady_clock::now();
|
||||
wait_until(lock, c_now + ceil<nanoseconds>(d));
|
||||
return steady_clock::now() - c_now < d ? cv_status::no_timeout :
|
||||
cv_status::timeout;
|
||||
}
|
||||
|
||||
inline cv_status wait_until(
|
||||
unique_lock<mutex>& lk,
|
||||
chrono::time_point<chrono::steady_clock, chrono::nanoseconds> tp)
|
||||
{
|
||||
using namespace chrono;
|
||||
nanoseconds d = tp.time_since_epoch();
|
||||
timespec ts = boost::detail::to_timespec(d);
|
||||
if (do_wait_until(lk, ts)) return cv_status::no_timeout;
|
||||
else return cv_status::timeout;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif // defined BOOST_THREAD_HAS_CONDATTR_SET_CLOCK_MONOTONIC
|
||||
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Clock, class Duration, class Predicate>
|
||||
bool
|
||||
wait_until(
|
||||
@@ -333,12 +304,18 @@ namespace boost
|
||||
const chrono::time_point<Clock, Duration>& t,
|
||||
Predicate pred)
|
||||
{
|
||||
// The system time may jump while this function is waiting. To compensate for this
|
||||
// and time out near the correct time, we call do_wait_until() in a loop with a
|
||||
// short timeout and recheck the time remaining each time through the loop.
|
||||
typedef typename common_type<Duration, typename Clock::duration>::type common_duration;
|
||||
while (!pred())
|
||||
{
|
||||
if (wait_until(lock, t) == cv_status::timeout)
|
||||
return pred();
|
||||
common_duration d(t - Clock::now());
|
||||
if (d <= common_duration::zero()) break; // timeout occurred
|
||||
d = (std::min)(d, common_duration(chrono::milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS)));
|
||||
do_wait_until(lock, detail::internal_platform_clock::now() + detail::platform_duration(d));
|
||||
}
|
||||
return true;
|
||||
return pred();
|
||||
}
|
||||
|
||||
template <class Rep, class Period, class Predicate>
|
||||
@@ -348,7 +325,7 @@ namespace boost
|
||||
const chrono::duration<Rep, Period>& d,
|
||||
Predicate pred)
|
||||
{
|
||||
return wait_until(lock, chrono::steady_clock::now() + d, boost::move(pred));
|
||||
return wait_until(lock, chrono::steady_clock::now() + d, boost::move(pred));
|
||||
}
|
||||
#endif
|
||||
|
||||
@@ -361,15 +338,11 @@ namespace boost
|
||||
|
||||
void notify_one() BOOST_NOEXCEPT;
|
||||
void notify_all() BOOST_NOEXCEPT;
|
||||
|
||||
|
||||
};
|
||||
|
||||
BOOST_THREAD_DECL void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk);
|
||||
|
||||
}
|
||||
|
||||
|
||||
#include <boost/config/abi_suffix.hpp>
|
||||
|
||||
#endif
|
||||
|
||||
@@ -16,24 +16,20 @@
|
||||
#include <boost/thread/lock_types.hpp>
|
||||
#endif
|
||||
#include <boost/thread/thread_time.hpp>
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
#include <boost/thread/xtime.hpp>
|
||||
#endif
|
||||
#include <boost/assert.hpp>
|
||||
#include <errno.h>
|
||||
#include <boost/thread/pthread/timespec.hpp>
|
||||
#include <boost/thread/detail/platform_time.hpp>
|
||||
#include <boost/thread/pthread/pthread_mutex_scoped_lock.hpp>
|
||||
#include <boost/thread/pthread/pthread_helpers.hpp>
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
#include <boost/chrono/system_clocks.hpp>
|
||||
#include <boost/chrono/ceil.hpp>
|
||||
#endif
|
||||
#include <boost/thread/detail/delete.hpp>
|
||||
|
||||
#if (defined(_POSIX_TIMEOUTS) && (_POSIX_TIMEOUTS-0)>=200112L) \
|
||||
|| (defined(__ANDROID__) && defined(__ANDROID_API__) && __ANDROID_API__ >= 21)
|
||||
#ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
#define BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
#include <boost/config/abi_prefix.hpp>
|
||||
|
||||
@@ -43,53 +39,8 @@
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace posix {
|
||||
#ifdef BOOST_THREAD_HAS_EINTR_BUG
|
||||
BOOST_FORCEINLINE int pthread_mutex_destroy(pthread_mutex_t* m)
|
||||
{
|
||||
int ret;
|
||||
do
|
||||
{
|
||||
ret = ::pthread_mutex_destroy(m);
|
||||
} while (ret == EINTR);
|
||||
return ret;
|
||||
}
|
||||
BOOST_FORCEINLINE int pthread_mutex_lock(pthread_mutex_t* m)
|
||||
{
|
||||
int ret;
|
||||
do
|
||||
{
|
||||
ret = ::pthread_mutex_lock(m);
|
||||
} while (ret == EINTR);
|
||||
return ret;
|
||||
}
|
||||
BOOST_FORCEINLINE int pthread_mutex_unlock(pthread_mutex_t* m)
|
||||
{
|
||||
int ret;
|
||||
do
|
||||
{
|
||||
ret = ::pthread_mutex_unlock(m);
|
||||
} while (ret == EINTR);
|
||||
return ret;
|
||||
}
|
||||
#else
|
||||
BOOST_FORCEINLINE int pthread_mutex_destroy(pthread_mutex_t* m)
|
||||
{
|
||||
return ::pthread_mutex_destroy(m);
|
||||
}
|
||||
BOOST_FORCEINLINE int pthread_mutex_lock(pthread_mutex_t* m)
|
||||
{
|
||||
return ::pthread_mutex_lock(m);
|
||||
}
|
||||
BOOST_FORCEINLINE int pthread_mutex_unlock(pthread_mutex_t* m)
|
||||
{
|
||||
return ::pthread_mutex_unlock(m);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
}
|
||||
class mutex
|
||||
class BOOST_THREAD_CAPABILITY("mutex") mutex
|
||||
{
|
||||
private:
|
||||
pthread_mutex_t m;
|
||||
@@ -111,7 +62,7 @@ namespace boost
|
||||
BOOST_ASSERT(!res);
|
||||
}
|
||||
|
||||
void lock()
|
||||
void lock() BOOST_THREAD_ACQUIRE()
|
||||
{
|
||||
int res = posix::pthread_mutex_lock(&m);
|
||||
if (res)
|
||||
@@ -120,7 +71,7 @@ namespace boost
|
||||
}
|
||||
}
|
||||
|
||||
void unlock()
|
||||
void unlock() BOOST_THREAD_RELEASE()
|
||||
{
|
||||
int res = posix::pthread_mutex_unlock(&m);
|
||||
(void)res;
|
||||
@@ -131,12 +82,12 @@ namespace boost
|
||||
// }
|
||||
}
|
||||
|
||||
bool try_lock()
|
||||
bool try_lock() BOOST_THREAD_TRY_ACQUIRE(true)
|
||||
{
|
||||
int res;
|
||||
do
|
||||
{
|
||||
res = pthread_mutex_trylock(&m);
|
||||
res = posix::pthread_mutex_trylock(&m);
|
||||
} while (res == EINTR);
|
||||
if (res==EBUSY)
|
||||
{
|
||||
@@ -165,7 +116,7 @@ namespace boost
|
||||
{
|
||||
private:
|
||||
pthread_mutex_t m;
|
||||
#ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
#ifndef BOOST_THREAD_USES_PTHREAD_TIMEDLOCK
|
||||
pthread_cond_t cond;
|
||||
bool is_locked;
|
||||
#endif
|
||||
@@ -178,13 +129,12 @@ namespace boost
|
||||
{
|
||||
boost::throw_exception(thread_resource_error(res, "boost:: timed_mutex constructor failed in pthread_mutex_init"));
|
||||
}
|
||||
#ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
int const res2=pthread_cond_init(&cond,NULL);
|
||||
#ifndef BOOST_THREAD_USES_PTHREAD_TIMEDLOCK
|
||||
int const res2=pthread::cond_init(cond);
|
||||
if(res2)
|
||||
{
|
||||
BOOST_VERIFY(!posix::pthread_mutex_destroy(&m));
|
||||
//BOOST_VERIFY(!pthread_mutex_destroy(&m));
|
||||
boost::throw_exception(thread_resource_error(res2, "boost:: timed_mutex constructor failed in pthread_cond_init"));
|
||||
boost::throw_exception(thread_resource_error(res2, "boost:: timed_mutex constructor failed in pthread::cond_init"));
|
||||
}
|
||||
is_locked=false;
|
||||
#endif
|
||||
@@ -192,7 +142,7 @@ namespace boost
|
||||
~timed_mutex()
|
||||
{
|
||||
BOOST_VERIFY(!posix::pthread_mutex_destroy(&m));
|
||||
#ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
#ifndef BOOST_THREAD_USES_PTHREAD_TIMEDLOCK
|
||||
BOOST_VERIFY(!pthread_cond_destroy(&cond));
|
||||
#endif
|
||||
}
|
||||
@@ -201,14 +151,36 @@ namespace boost
|
||||
template<typename TimeDuration>
|
||||
bool timed_lock(TimeDuration const & relative_time)
|
||||
{
|
||||
return timed_lock(get_system_time()+relative_time);
|
||||
if (relative_time.is_pos_infinity())
|
||||
{
|
||||
lock();
|
||||
return true;
|
||||
}
|
||||
if (relative_time.is_special())
|
||||
{
|
||||
return true;
|
||||
}
|
||||
detail::platform_duration d(relative_time);
|
||||
#if defined(BOOST_THREAD_HAS_MONO_CLOCK) && !defined(BOOST_THREAD_INTERNAL_CLOCK_IS_MONO)
|
||||
const detail::mono_platform_timepoint ts(detail::mono_platform_clock::now() + d);
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
while ( ! do_try_lock_until(detail::internal_platform_clock::now() + d) )
|
||||
{
|
||||
d = ts - detail::mono_platform_clock::now();
|
||||
if ( d <= detail::platform_duration::zero() ) return false; // timeout occurred
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
}
|
||||
return true;
|
||||
#else
|
||||
return do_try_lock_until(detail::internal_platform_clock::now() + d);
|
||||
#endif
|
||||
}
|
||||
bool timed_lock(boost::xtime const & absolute_time)
|
||||
{
|
||||
return timed_lock(system_time(absolute_time));
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
#ifdef BOOST_THREAD_USES_PTHREAD_TIMEDLOCK
|
||||
void lock()
|
||||
{
|
||||
int res = posix::pthread_mutex_lock(&m);
|
||||
@@ -234,7 +206,7 @@ namespace boost
|
||||
int res;
|
||||
do
|
||||
{
|
||||
res = pthread_mutex_trylock(&m);
|
||||
res = posix::pthread_mutex_trylock(&m);
|
||||
} while (res == EINTR);
|
||||
if (res==EBUSY)
|
||||
{
|
||||
@@ -246,9 +218,9 @@ namespace boost
|
||||
|
||||
|
||||
private:
|
||||
bool do_try_lock_until(struct timespec const &timeout)
|
||||
bool do_try_lock_until(detail::internal_platform_timepoint const &timeout)
|
||||
{
|
||||
int const res=pthread_mutex_timedlock(&m,&timeout);
|
||||
int const res=pthread_mutex_timedlock(&m,&timeout.getTs());
|
||||
BOOST_ASSERT(!res || res==ETIMEDOUT);
|
||||
return !res;
|
||||
}
|
||||
@@ -260,7 +232,7 @@ namespace boost
|
||||
boost::pthread::pthread_mutex_scoped_lock const local_lock(&m);
|
||||
while(is_locked)
|
||||
{
|
||||
BOOST_VERIFY(!pthread_cond_wait(&cond,&m));
|
||||
BOOST_VERIFY(!posix::pthread_cond_wait(&cond,&m));
|
||||
}
|
||||
is_locked=true;
|
||||
}
|
||||
@@ -269,7 +241,7 @@ namespace boost
|
||||
{
|
||||
boost::pthread::pthread_mutex_scoped_lock const local_lock(&m);
|
||||
is_locked=false;
|
||||
BOOST_VERIFY(!pthread_cond_signal(&cond));
|
||||
BOOST_VERIFY(!posix::pthread_cond_signal(&cond));
|
||||
}
|
||||
|
||||
bool try_lock()
|
||||
@@ -284,18 +256,22 @@ namespace boost
|
||||
}
|
||||
|
||||
private:
|
||||
bool do_try_lock_until(struct timespec const &timeout)
|
||||
bool do_try_lock_until(detail::internal_platform_timepoint const &timeout)
|
||||
{
|
||||
boost::pthread::pthread_mutex_scoped_lock const local_lock(&m);
|
||||
while(is_locked)
|
||||
{
|
||||
int const cond_res=pthread_cond_timedwait(&cond,&m,&timeout);
|
||||
int const cond_res=pthread_cond_timedwait(&cond,&m,&timeout.getTs());
|
||||
if(cond_res==ETIMEDOUT)
|
||||
{
|
||||
return false;
|
||||
break;
|
||||
}
|
||||
BOOST_ASSERT(!cond_res);
|
||||
}
|
||||
if(is_locked)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
is_locked=true;
|
||||
return true;
|
||||
}
|
||||
@@ -305,8 +281,20 @@ namespace boost
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
bool timed_lock(system_time const & abs_time)
|
||||
{
|
||||
struct timespec const ts=boost::detail::to_timespec(abs_time);
|
||||
const detail::real_platform_timepoint ts(abs_time);
|
||||
#if defined BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
|
||||
detail::platform_duration d(ts - detail::real_platform_clock::now());
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
while ( ! do_try_lock_until(detail::internal_platform_clock::now() + d) )
|
||||
{
|
||||
d = ts - detail::real_platform_clock::now();
|
||||
if ( d <= detail::platform_duration::zero() ) return false; // timeout occurred
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
}
|
||||
return true;
|
||||
#else
|
||||
return do_try_lock_until(ts);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
@@ -318,23 +306,21 @@ namespace boost
|
||||
template <class Clock, class Duration>
|
||||
bool try_lock_until(const chrono::time_point<Clock, Duration>& t)
|
||||
{
|
||||
using namespace chrono;
|
||||
system_clock::time_point s_now = system_clock::now();
|
||||
typename Clock::time_point c_now = Clock::now();
|
||||
return try_lock_until(s_now + ceil<nanoseconds>(t - c_now));
|
||||
typedef typename common_type<Duration, typename Clock::duration>::type common_duration;
|
||||
common_duration d(t - Clock::now());
|
||||
d = (std::min)(d, common_duration(chrono::milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS)));
|
||||
while ( ! try_lock_until(detail::internal_chrono_clock::now() + d))
|
||||
{
|
||||
d = t - Clock::now();
|
||||
if ( d <= common_duration::zero() ) return false; // timeout occurred
|
||||
d = (std::min)(d, common_duration(chrono::milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS)));
|
||||
}
|
||||
return true;
|
||||
}
|
||||
template <class Duration>
|
||||
bool try_lock_until(const chrono::time_point<chrono::system_clock, Duration>& t)
|
||||
bool try_lock_until(const chrono::time_point<detail::internal_chrono_clock, Duration>& t)
|
||||
{
|
||||
using namespace chrono;
|
||||
typedef time_point<system_clock, nanoseconds> nano_sys_tmpt;
|
||||
return try_lock_until(nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
|
||||
}
|
||||
bool try_lock_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp)
|
||||
{
|
||||
//using namespace chrono;
|
||||
chrono::nanoseconds d = tp.time_since_epoch();
|
||||
timespec ts = boost::detail::to_timespec(d);
|
||||
detail::internal_platform_timepoint ts(t);
|
||||
return do_try_lock_until(ts);
|
||||
}
|
||||
#endif
|
||||
@@ -352,7 +338,6 @@ namespace boost
|
||||
typedef scoped_timed_lock scoped_lock;
|
||||
#endif
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#include <boost/config/abi_suffix.hpp>
|
||||
|
||||
42
winx64/include/boost/thread/pthread/pthread_helpers.hpp
Normal file
42
winx64/include/boost/thread/pthread/pthread_helpers.hpp
Normal file
@@ -0,0 +1,42 @@
|
||||
#ifndef BOOST_THREAD_PTHREAD_PTHREAD_HELPERS_HPP
|
||||
#define BOOST_THREAD_PTHREAD_PTHREAD_HELPERS_HPP
|
||||
// Copyright (C) 2017
|
||||
// Vicente J. Botet Escriba
|
||||
//
|
||||
// Distributed under the Boost Software License, Version 1.0. (See
|
||||
// accompanying file LICENSE_1_0.txt or copy at
|
||||
// http://www.boost.org/LICENSE_1_0.txt)
|
||||
|
||||
#include <boost/thread/detail/config.hpp>
|
||||
#include <pthread.h>
|
||||
|
||||
#include <boost/config/abi_prefix.hpp>
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace pthread
|
||||
{
|
||||
inline int cond_init(pthread_cond_t& cond) {
|
||||
|
||||
#ifdef BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
|
||||
pthread_condattr_t attr;
|
||||
int res = pthread_condattr_init(&attr);
|
||||
if (res)
|
||||
{
|
||||
return res;
|
||||
}
|
||||
pthread_condattr_setclock(&attr, CLOCK_MONOTONIC);
|
||||
res=pthread_cond_init(&cond,&attr);
|
||||
pthread_condattr_destroy(&attr);
|
||||
return res;
|
||||
#else
|
||||
return pthread_cond_init(&cond,NULL);
|
||||
#endif
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#include <boost/config/abi_suffix.hpp>
|
||||
|
||||
#endif
|
||||
@@ -1,6 +1,6 @@
|
||||
#ifndef BOOST_PTHREAD_MUTEX_SCOPED_LOCK_HPP
|
||||
#define BOOST_PTHREAD_MUTEX_SCOPED_LOCK_HPP
|
||||
// (C) Copyright 2007-8 Anthony Williams
|
||||
// (C) Copyright 2007-8 Anthony Williams
|
||||
//
|
||||
// Distributed under the Boost Software License, Version 1.0. (See
|
||||
// accompanying file LICENSE_1_0.txt or copy at
|
||||
@@ -13,6 +13,75 @@
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace posix {
|
||||
#ifdef BOOST_THREAD_HAS_EINTR_BUG
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_mutex_destroy(pthread_mutex_t* m)
|
||||
{
|
||||
int ret;
|
||||
do
|
||||
{
|
||||
ret = ::pthread_mutex_destroy(m);
|
||||
} while (ret == EINTR);
|
||||
return ret;
|
||||
}
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_mutex_lock(pthread_mutex_t* m)
|
||||
{
|
||||
int ret;
|
||||
do
|
||||
{
|
||||
ret = ::pthread_mutex_lock(m);
|
||||
} while (ret == EINTR);
|
||||
return ret;
|
||||
}
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_mutex_unlock(pthread_mutex_t* m)
|
||||
{
|
||||
int ret;
|
||||
do
|
||||
{
|
||||
ret = ::pthread_mutex_unlock(m);
|
||||
} while (ret == EINTR);
|
||||
return ret;
|
||||
}
|
||||
#else
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_mutex_destroy(pthread_mutex_t* m)
|
||||
{
|
||||
return ::pthread_mutex_destroy(m);
|
||||
}
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_mutex_lock(pthread_mutex_t* m)
|
||||
{
|
||||
return ::pthread_mutex_lock(m);
|
||||
}
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_mutex_unlock(pthread_mutex_t* m)
|
||||
{
|
||||
return ::pthread_mutex_unlock(m);
|
||||
}
|
||||
|
||||
#endif
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_mutex_trylock(pthread_mutex_t* m)
|
||||
{
|
||||
return ::pthread_mutex_trylock(m);
|
||||
}
|
||||
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
|
||||
{
|
||||
return ::pthread_cond_wait(cond, mutex);
|
||||
}
|
||||
BOOST_FORCEINLINE BOOST_THREAD_DISABLE_THREAD_SAFETY_ANALYSIS
|
||||
int pthread_cond_signal(pthread_cond_t *cond)
|
||||
{
|
||||
return ::pthread_cond_signal(cond);
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
namespace pthread
|
||||
{
|
||||
class pthread_mutex_scoped_lock
|
||||
@@ -20,41 +89,47 @@ namespace boost
|
||||
pthread_mutex_t* m;
|
||||
bool locked;
|
||||
public:
|
||||
explicit pthread_mutex_scoped_lock(pthread_mutex_t* m_):
|
||||
explicit pthread_mutex_scoped_lock(pthread_mutex_t* m_) BOOST_NOEXCEPT:
|
||||
m(m_),locked(true)
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_lock(m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_lock(m));
|
||||
}
|
||||
void unlock()
|
||||
void unlock() BOOST_NOEXCEPT
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_unlock(m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_unlock(m));
|
||||
locked=false;
|
||||
}
|
||||
|
||||
~pthread_mutex_scoped_lock()
|
||||
void unlock_if_locked() BOOST_NOEXCEPT
|
||||
{
|
||||
if(locked)
|
||||
{
|
||||
unlock();
|
||||
}
|
||||
}
|
||||
~pthread_mutex_scoped_lock() BOOST_NOEXCEPT
|
||||
{
|
||||
if(locked)
|
||||
{
|
||||
unlock();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
};
|
||||
|
||||
class pthread_mutex_scoped_unlock
|
||||
{
|
||||
pthread_mutex_t* m;
|
||||
public:
|
||||
explicit pthread_mutex_scoped_unlock(pthread_mutex_t* m_):
|
||||
explicit pthread_mutex_scoped_unlock(pthread_mutex_t* m_) BOOST_NOEXCEPT:
|
||||
m(m_)
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_unlock(m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_unlock(m));
|
||||
}
|
||||
~pthread_mutex_scoped_unlock()
|
||||
~pthread_mutex_scoped_unlock() BOOST_NOEXCEPT
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_lock(m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_lock(m));
|
||||
}
|
||||
|
||||
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
@@ -19,27 +19,22 @@
|
||||
#endif
|
||||
#include <boost/date_time/posix_time/conversion.hpp>
|
||||
#include <errno.h>
|
||||
#include <boost/thread/pthread/timespec.hpp>
|
||||
#include <boost/thread/detail/platform_time.hpp>
|
||||
#include <boost/thread/pthread/pthread_mutex_scoped_lock.hpp>
|
||||
#include <boost/thread/pthread/pthread_helpers.hpp>
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
#include <boost/chrono/system_clocks.hpp>
|
||||
#include <boost/chrono/ceil.hpp>
|
||||
#endif
|
||||
#include <boost/thread/detail/delete.hpp>
|
||||
|
||||
#if (defined _POSIX_TIMEOUTS && (_POSIX_TIMEOUTS-0)>=200112L) \
|
||||
|| (defined __ANDROID__ && defined __ANDROID_API__ && __ANDROID_API__ >= 21)
|
||||
#ifndef BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
#define BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if defined BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE \
|
||||
|| defined __ANDROID__
|
||||
#define BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE
|
||||
#endif
|
||||
|
||||
#if defined BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE && defined BOOST_PTHREAD_HAS_TIMEDLOCK
|
||||
#if defined BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE && defined BOOST_THREAD_USES_PTHREAD_TIMEDLOCK
|
||||
#define BOOST_USE_PTHREAD_RECURSIVE_TIMEDLOCK
|
||||
#endif
|
||||
|
||||
@@ -89,11 +84,11 @@ namespace boost
|
||||
{
|
||||
boost::throw_exception(thread_resource_error(res, "boost:: recursive_mutex constructor failed in pthread_mutex_init"));
|
||||
}
|
||||
int const res2=pthread_cond_init(&cond,NULL);
|
||||
int const res2=pthread::cond_init(cond);
|
||||
if(res2)
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_destroy(&m));
|
||||
boost::throw_exception(thread_resource_error(res2, "boost:: recursive_mutex constructor failed in pthread_cond_init"));
|
||||
boost::throw_exception(thread_resource_error(res2, "boost:: recursive_mutex constructor failed in pthread::cond_init"));
|
||||
}
|
||||
is_locked=false;
|
||||
count=0;
|
||||
@@ -110,17 +105,17 @@ namespace boost
|
||||
#ifdef BOOST_THREAD_HAS_PTHREAD_MUTEXATTR_SETTYPE
|
||||
void lock()
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_lock(&m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_lock(&m));
|
||||
}
|
||||
|
||||
void unlock()
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_unlock(&m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_unlock(&m));
|
||||
}
|
||||
|
||||
bool try_lock() BOOST_NOEXCEPT
|
||||
{
|
||||
int const res=pthread_mutex_trylock(&m);
|
||||
int const res=posix::pthread_mutex_trylock(&m);
|
||||
BOOST_ASSERT(!res || res==EBUSY);
|
||||
return !res;
|
||||
}
|
||||
@@ -224,11 +219,11 @@ namespace boost
|
||||
{
|
||||
boost::throw_exception(thread_resource_error(res, "boost:: recursive_timed_mutex constructor failed in pthread_mutex_init"));
|
||||
}
|
||||
int const res2=pthread_cond_init(&cond,NULL);
|
||||
int const res2=pthread::cond_init(cond);
|
||||
if(res2)
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_destroy(&m));
|
||||
boost::throw_exception(thread_resource_error(res2, "boost:: recursive_timed_mutex constructor failed in pthread_cond_init"));
|
||||
boost::throw_exception(thread_resource_error(res2, "boost:: recursive_timed_mutex constructor failed in pthread::cond_init"));
|
||||
}
|
||||
is_locked=false;
|
||||
count=0;
|
||||
@@ -246,31 +241,53 @@ namespace boost
|
||||
template<typename TimeDuration>
|
||||
bool timed_lock(TimeDuration const & relative_time)
|
||||
{
|
||||
return timed_lock(get_system_time()+relative_time);
|
||||
if (relative_time.is_pos_infinity())
|
||||
{
|
||||
lock();
|
||||
return true;
|
||||
}
|
||||
if (relative_time.is_special())
|
||||
{
|
||||
return true;
|
||||
}
|
||||
detail::platform_duration d(relative_time);
|
||||
#if defined(BOOST_THREAD_HAS_MONO_CLOCK) && !defined(BOOST_THREAD_INTERNAL_CLOCK_IS_MONO)
|
||||
const detail::mono_platform_timepoint ts(detail::mono_platform_clock::now() + d);
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
while ( ! do_try_lock_until(detail::internal_platform_clock::now() + d) )
|
||||
{
|
||||
d = ts - detail::mono_platform_clock::now();
|
||||
if ( d <= detail::platform_duration::zero() ) return false; // timeout occurred
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
}
|
||||
return true;
|
||||
#else
|
||||
return do_try_lock_until(detail::internal_platform_clock::now() + d);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef BOOST_USE_PTHREAD_RECURSIVE_TIMEDLOCK
|
||||
void lock()
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_lock(&m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_lock(&m));
|
||||
}
|
||||
|
||||
void unlock()
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_unlock(&m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_unlock(&m));
|
||||
}
|
||||
|
||||
bool try_lock()
|
||||
{
|
||||
int const res=pthread_mutex_trylock(&m);
|
||||
int const res=posix::pthread_mutex_trylock(&m);
|
||||
BOOST_ASSERT(!res || res==EBUSY);
|
||||
return !res;
|
||||
}
|
||||
private:
|
||||
bool do_try_lock_until(struct timespec const &timeout)
|
||||
bool do_try_lock_until(detail::internal_platform_timepoint const &timeout)
|
||||
{
|
||||
int const res=pthread_mutex_timedlock(&m,&timeout);
|
||||
int const res=pthread_mutex_timedlock(&m,&timeout.getTs());
|
||||
BOOST_ASSERT(!res || res==ETIMEDOUT);
|
||||
return !res;
|
||||
}
|
||||
@@ -320,7 +337,7 @@ namespace boost
|
||||
}
|
||||
|
||||
private:
|
||||
bool do_try_lock_until(struct timespec const &timeout)
|
||||
bool do_try_lock_until(detail::internal_platform_timepoint const &timeout)
|
||||
{
|
||||
boost::pthread::pthread_mutex_scoped_lock const local_lock(&m);
|
||||
if(is_locked && pthread_equal(owner,pthread_self()))
|
||||
@@ -330,13 +347,17 @@ namespace boost
|
||||
}
|
||||
while(is_locked)
|
||||
{
|
||||
int const cond_res=pthread_cond_timedwait(&cond,&m,&timeout);
|
||||
int const cond_res=pthread_cond_timedwait(&cond,&m,&timeout.getTs());
|
||||
if(cond_res==ETIMEDOUT)
|
||||
{
|
||||
return false;
|
||||
break;
|
||||
}
|
||||
BOOST_ASSERT(!cond_res);
|
||||
}
|
||||
if(is_locked)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
is_locked=true;
|
||||
++count;
|
||||
owner=pthread_self();
|
||||
@@ -349,8 +370,20 @@ namespace boost
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
bool timed_lock(system_time const & abs_time)
|
||||
{
|
||||
struct timespec const ts=detail::to_timespec(abs_time);
|
||||
const detail::real_platform_timepoint ts(abs_time);
|
||||
#if defined BOOST_THREAD_INTERNAL_CLOCK_IS_MONO
|
||||
detail::platform_duration d(ts - detail::real_platform_clock::now());
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
while ( ! do_try_lock_until(detail::internal_platform_clock::now() + d) )
|
||||
{
|
||||
d = ts - detail::real_platform_clock::now();
|
||||
if ( d <= detail::platform_duration::zero() ) return false; // timeout occurred
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
}
|
||||
return true;
|
||||
#else
|
||||
return do_try_lock_until(ts);
|
||||
#endif
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
@@ -362,23 +395,22 @@ namespace boost
|
||||
template <class Clock, class Duration>
|
||||
bool try_lock_until(const chrono::time_point<Clock, Duration>& t)
|
||||
{
|
||||
using namespace chrono;
|
||||
system_clock::time_point s_now = system_clock::now();
|
||||
typename Clock::time_point c_now = Clock::now();
|
||||
return try_lock_until(s_now + ceil<nanoseconds>(t - c_now));
|
||||
typedef typename common_type<Duration, typename Clock::duration>::type common_duration;
|
||||
common_duration d(t - Clock::now());
|
||||
d = (std::min)(d, common_duration(chrono::milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS)));
|
||||
while ( ! try_lock_until(detail::internal_chrono_clock::now() + d))
|
||||
{
|
||||
d = t - Clock::now();
|
||||
if ( d <= common_duration::zero() ) return false; // timeout occurred
|
||||
d = (std::min)(d, common_duration(chrono::milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS)));
|
||||
}
|
||||
return true;
|
||||
|
||||
}
|
||||
template <class Duration>
|
||||
bool try_lock_until(const chrono::time_point<chrono::system_clock, Duration>& t)
|
||||
bool try_lock_until(const chrono::time_point<detail::internal_chrono_clock, Duration>& t)
|
||||
{
|
||||
using namespace chrono;
|
||||
typedef time_point<system_clock, nanoseconds> nano_sys_tmpt;
|
||||
return try_lock_until(nano_sys_tmpt(ceil<nanoseconds>(t.time_since_epoch())));
|
||||
}
|
||||
bool try_lock_until(const chrono::time_point<chrono::system_clock, chrono::nanoseconds>& tp)
|
||||
{
|
||||
//using namespace chrono;
|
||||
chrono::nanoseconds d = tp.time_since_epoch();
|
||||
timespec ts = boost::detail::to_timespec(d);
|
||||
detail::internal_platform_timepoint ts(t);
|
||||
return do_try_lock_until(ts);
|
||||
}
|
||||
#endif
|
||||
|
||||
@@ -9,6 +9,7 @@
|
||||
// http://www.boost.org/LICENSE_1_0.txt)
|
||||
|
||||
#include <boost/assert.hpp>
|
||||
#include <boost/bind.hpp>
|
||||
#include <boost/static_assert.hpp>
|
||||
#include <boost/thread/mutex.hpp>
|
||||
#include <boost/thread/condition_variable.hpp>
|
||||
@@ -20,7 +21,6 @@
|
||||
#include <boost/chrono/ceil.hpp>
|
||||
#endif
|
||||
#include <boost/thread/detail/delete.hpp>
|
||||
#include <boost/assert.hpp>
|
||||
|
||||
#include <boost/config/abi_prefix.hpp>
|
||||
|
||||
@@ -79,11 +79,6 @@ namespace boost
|
||||
return ! (shared_count || exclusive);
|
||||
}
|
||||
|
||||
void exclusive_blocked (bool blocked)
|
||||
{
|
||||
exclusive_waiting_blocked = blocked;
|
||||
}
|
||||
|
||||
void lock ()
|
||||
{
|
||||
exclusive = true;
|
||||
@@ -100,17 +95,19 @@ namespace boost
|
||||
return ! (exclusive || exclusive_waiting_blocked);
|
||||
}
|
||||
|
||||
bool more_shared () const
|
||||
bool no_shared () const
|
||||
{
|
||||
return shared_count > 0 ;
|
||||
return shared_count==0;
|
||||
}
|
||||
unsigned get_shared_count () const
|
||||
|
||||
bool one_shared () const
|
||||
{
|
||||
return shared_count ;
|
||||
return shared_count==1;
|
||||
}
|
||||
unsigned lock_shared ()
|
||||
|
||||
void lock_shared ()
|
||||
{
|
||||
return ++shared_count;
|
||||
++shared_count;
|
||||
}
|
||||
|
||||
|
||||
@@ -119,18 +116,6 @@ namespace boost
|
||||
--shared_count;
|
||||
}
|
||||
|
||||
bool unlock_shared_downgrades()
|
||||
{
|
||||
if (upgrade) {
|
||||
upgrade=false;
|
||||
exclusive=true;
|
||||
return true;
|
||||
} else {
|
||||
exclusive_waiting_blocked=false;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
void lock_upgrade ()
|
||||
{
|
||||
++shared_count;
|
||||
@@ -186,10 +171,7 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
while(!state.can_lock_shared())
|
||||
{
|
||||
shared_cond.wait(lk);
|
||||
}
|
||||
shared_cond.wait(lk, boost::bind(&state_data::can_lock_shared, boost::ref(state)));
|
||||
state.lock_shared();
|
||||
}
|
||||
|
||||
@@ -212,13 +194,9 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(!state.can_lock_shared())
|
||||
if(!shared_cond.timed_wait(lk, timeout, boost::bind(&state_data::can_lock_shared, boost::ref(state))))
|
||||
{
|
||||
if(!shared_cond.timed_wait(lk,timeout))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
state.lock_shared();
|
||||
return true;
|
||||
@@ -227,7 +205,16 @@ namespace boost
|
||||
template<typename TimeDuration>
|
||||
bool timed_lock_shared(TimeDuration const & relative_time)
|
||||
{
|
||||
return timed_lock_shared(get_system_time()+relative_time);
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
if(!shared_cond.timed_wait(lk, relative_time, boost::bind(&state_data::can_lock_shared, boost::ref(state))))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
state.lock_shared();
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
@@ -243,14 +230,9 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(!state.can_lock_shared())
|
||||
//while(state.exclusive || state.exclusive_waiting_blocked)
|
||||
if(!shared_cond.wait_until(lk, abs_time, boost::bind(&state_data::can_lock_shared, boost::ref(state))))
|
||||
{
|
||||
if(cv_status::timeout==shared_cond.wait_until(lk,abs_time))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
state.lock_shared();
|
||||
return true;
|
||||
@@ -261,11 +243,11 @@ namespace boost
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
state.unlock_shared();
|
||||
if (! state.more_shared())
|
||||
if (state.no_shared())
|
||||
{
|
||||
if (state.upgrade)
|
||||
{
|
||||
// As there is a thread doing a unlock_upgrade_and_lock that is waiting for ! state.more_shared()
|
||||
// As there is a thread doing a unlock_upgrade_and_lock that is waiting for state.no_shared()
|
||||
// avoid other threads to lock, lock_upgrade or lock_shared, so only this thread is notified.
|
||||
state.upgrade=false;
|
||||
state.exclusive=true;
|
||||
@@ -287,12 +269,8 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while (state.shared_count || state.exclusive)
|
||||
{
|
||||
state.exclusive_waiting_blocked=true;
|
||||
exclusive_cond.wait(lk);
|
||||
}
|
||||
state.exclusive_waiting_blocked=true;
|
||||
exclusive_cond.wait(lk, boost::bind(&state_data::can_lock, boost::ref(state)));
|
||||
state.exclusive=true;
|
||||
}
|
||||
|
||||
@@ -303,20 +281,12 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(state.shared_count || state.exclusive)
|
||||
state.exclusive_waiting_blocked=true;
|
||||
if(!exclusive_cond.timed_wait(lk, timeout, boost::bind(&state_data::can_lock, boost::ref(state))))
|
||||
{
|
||||
state.exclusive_waiting_blocked=true;
|
||||
if(!exclusive_cond.timed_wait(lk,timeout))
|
||||
{
|
||||
if(state.shared_count || state.exclusive)
|
||||
{
|
||||
state.exclusive_waiting_blocked=false;
|
||||
release_waiters();
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
}
|
||||
state.exclusive_waiting_blocked=false;
|
||||
release_waiters();
|
||||
return false;
|
||||
}
|
||||
state.exclusive=true;
|
||||
return true;
|
||||
@@ -325,7 +295,19 @@ namespace boost
|
||||
template<typename TimeDuration>
|
||||
bool timed_lock(TimeDuration const & relative_time)
|
||||
{
|
||||
return timed_lock(get_system_time()+relative_time);
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.exclusive_waiting_blocked=true;
|
||||
if(!exclusive_cond.timed_wait(lk, relative_time, boost::bind(&state_data::can_lock, boost::ref(state))))
|
||||
{
|
||||
state.exclusive_waiting_blocked=false;
|
||||
release_waiters();
|
||||
return false;
|
||||
}
|
||||
state.exclusive=true;
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
@@ -341,20 +323,12 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(state.shared_count || state.exclusive)
|
||||
state.exclusive_waiting_blocked=true;
|
||||
if(!exclusive_cond.wait_until(lk, abs_time, boost::bind(&state_data::can_lock, boost::ref(state))))
|
||||
{
|
||||
state.exclusive_waiting_blocked=true;
|
||||
if(cv_status::timeout == exclusive_cond.wait_until(lk,abs_time))
|
||||
{
|
||||
if(state.shared_count || state.exclusive)
|
||||
{
|
||||
state.exclusive_waiting_blocked=false;
|
||||
release_waiters();
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
}
|
||||
state.exclusive_waiting_blocked=false;
|
||||
release_waiters();
|
||||
return false;
|
||||
}
|
||||
state.exclusive=true;
|
||||
return true;
|
||||
@@ -364,17 +338,12 @@ namespace boost
|
||||
bool try_lock()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
if(state.shared_count || state.exclusive)
|
||||
if(!state.can_lock())
|
||||
{
|
||||
return false;
|
||||
}
|
||||
else
|
||||
{
|
||||
state.exclusive=true;
|
||||
return true;
|
||||
}
|
||||
|
||||
state.exclusive=true;
|
||||
return true;
|
||||
}
|
||||
|
||||
void unlock()
|
||||
@@ -393,10 +362,7 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
while(state.exclusive || state.exclusive_waiting_blocked || state.upgrade)
|
||||
{
|
||||
shared_cond.wait(lk);
|
||||
}
|
||||
shared_cond.wait(lk, boost::bind(&state_data::can_lock_upgrade, boost::ref(state)));
|
||||
state.lock_shared();
|
||||
state.upgrade=true;
|
||||
}
|
||||
@@ -408,16 +374,9 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
while(state.exclusive || state.exclusive_waiting_blocked || state.upgrade)
|
||||
if(!shared_cond.timed_wait(lk, timeout, boost::bind(&state_data::can_lock_upgrade, boost::ref(state))))
|
||||
{
|
||||
if(!shared_cond.timed_wait(lk,timeout))
|
||||
{
|
||||
if(state.exclusive || state.exclusive_waiting_blocked || state.upgrade)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
state.lock_shared();
|
||||
state.upgrade=true;
|
||||
@@ -427,7 +386,17 @@ namespace boost
|
||||
template<typename TimeDuration>
|
||||
bool timed_lock_upgrade(TimeDuration const & relative_time)
|
||||
{
|
||||
return timed_lock_upgrade(get_system_time()+relative_time);
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
if(!shared_cond.timed_wait(lk, relative_time, boost::bind(&state_data::can_lock_upgrade, boost::ref(state))))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
state.lock_shared();
|
||||
state.upgrade=true;
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
@@ -443,16 +412,9 @@ namespace boost
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
while(state.exclusive || state.exclusive_waiting_blocked || state.upgrade)
|
||||
if(!shared_cond.wait_until(lk, abs_time, boost::bind(&state_data::can_lock_upgrade, boost::ref(state))))
|
||||
{
|
||||
if(cv_status::timeout == shared_cond.wait_until(lk,abs_time))
|
||||
{
|
||||
if(state.exclusive || state.exclusive_waiting_blocked || state.upgrade)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
state.lock_shared();
|
||||
state.upgrade=true;
|
||||
@@ -462,17 +424,14 @@ namespace boost
|
||||
bool try_lock_upgrade()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
if(state.exclusive || state.exclusive_waiting_blocked || state.upgrade)
|
||||
if(!state.can_lock_upgrade())
|
||||
{
|
||||
return false;
|
||||
}
|
||||
else
|
||||
{
|
||||
state.lock_shared();
|
||||
state.upgrade=true;
|
||||
state.assert_lock_upgraded();
|
||||
return true;
|
||||
}
|
||||
state.lock_shared();
|
||||
state.upgrade=true;
|
||||
state.assert_lock_upgraded();
|
||||
return true;
|
||||
}
|
||||
|
||||
void unlock_upgrade()
|
||||
@@ -480,7 +439,7 @@ namespace boost
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
//state.upgrade=false;
|
||||
state.unlock_upgrade();
|
||||
if(! state.more_shared() )
|
||||
if(state.no_shared())
|
||||
{
|
||||
state.exclusive_waiting_blocked=false;
|
||||
release_waiters();
|
||||
@@ -498,10 +457,7 @@ namespace boost
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_upgraded();
|
||||
state.unlock_shared();
|
||||
while (state.more_shared())
|
||||
{
|
||||
upgrade_cond.wait(lk);
|
||||
}
|
||||
upgrade_cond.wait(lk, boost::bind(&state_data::no_shared, boost::ref(state)));
|
||||
state.upgrade=false;
|
||||
state.exclusive=true;
|
||||
state.assert_locked();
|
||||
@@ -555,16 +511,9 @@ namespace boost
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_upgraded();
|
||||
if (state.shared_count != 1)
|
||||
if(!shared_cond.wait_until(lk, abs_time, boost::bind(&state_data::one_shared, boost::ref(state))))
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
cv_status status = shared_cond.wait_until(lk,abs_time);
|
||||
if (state.shared_count == 1)
|
||||
break;
|
||||
if(status == cv_status::timeout)
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
state.upgrade=false;
|
||||
state.exclusive=true;
|
||||
@@ -620,16 +569,9 @@ namespace boost
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
if (state.shared_count != 1)
|
||||
if(!shared_cond.wait_until(lk, abs_time, boost::bind(&state_data::one_shared, boost::ref(state))))
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
cv_status status = shared_cond.wait_until(lk,abs_time);
|
||||
if (state.shared_count == 1)
|
||||
break;
|
||||
if(status == cv_status::timeout)
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
state.upgrade=false;
|
||||
state.exclusive=true;
|
||||
@@ -655,10 +597,7 @@ namespace boost
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
if( !state.exclusive
|
||||
&& !state.exclusive_waiting_blocked
|
||||
&& !state.upgrade
|
||||
)
|
||||
if(state.can_lock_upgrade())
|
||||
{
|
||||
state.upgrade=true;
|
||||
return true;
|
||||
@@ -684,22 +623,9 @@ namespace boost
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
if( state.exclusive
|
||||
|| state.exclusive_waiting_blocked
|
||||
|| state.upgrade
|
||||
)
|
||||
if(!exclusive_cond.wait_until(lk, abs_time, boost::bind(&state_data::can_lock_upgrade, boost::ref(state))))
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
cv_status status = exclusive_cond.wait_until(lk,abs_time);
|
||||
if( ! state.exclusive
|
||||
&& ! state.exclusive_waiting_blocked
|
||||
&& ! state.upgrade
|
||||
)
|
||||
break;
|
||||
if(status == cv_status::timeout)
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
state.upgrade=true;
|
||||
return true;
|
||||
|
||||
@@ -1,724 +0,0 @@
|
||||
#ifndef BOOST_THREAD_PTHREAD_SHARED_MUTEX_HPP
|
||||
#define BOOST_THREAD_PTHREAD_SHARED_MUTEX_HPP
|
||||
|
||||
// (C) Copyright 2006-8 Anthony Williams
|
||||
// (C) Copyright 2012 Vicente J. Botet Escriba
|
||||
//
|
||||
// Distributed under the Boost Software License, Version 1.0. (See
|
||||
// accompanying file LICENSE_1_0.txt or copy at
|
||||
// http://www.boost.org/LICENSE_1_0.txt)
|
||||
|
||||
#include <boost/assert.hpp>
|
||||
#include <boost/static_assert.hpp>
|
||||
#include <boost/thread/mutex.hpp>
|
||||
#include <boost/thread/condition_variable.hpp>
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
#include <boost/thread/detail/thread_interruption.hpp>
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
#include <boost/chrono/system_clocks.hpp>
|
||||
#include <boost/chrono/ceil.hpp>
|
||||
#endif
|
||||
#include <boost/thread/detail/delete.hpp>
|
||||
#include <boost/assert.hpp>
|
||||
|
||||
#include <boost/config/abi_prefix.hpp>
|
||||
|
||||
namespace boost
|
||||
{
|
||||
class shared_mutex
|
||||
{
|
||||
private:
|
||||
class state_data
|
||||
{
|
||||
public:
|
||||
state_data () :
|
||||
shared_count(0),
|
||||
exclusive(false),
|
||||
upgrade(false),
|
||||
exclusive_waiting_blocked(false)
|
||||
{}
|
||||
|
||||
void assert_free() const
|
||||
{
|
||||
BOOST_ASSERT( ! exclusive );
|
||||
BOOST_ASSERT( ! upgrade );
|
||||
BOOST_ASSERT( shared_count==0 );
|
||||
}
|
||||
|
||||
void assert_locked() const
|
||||
{
|
||||
BOOST_ASSERT( exclusive );
|
||||
BOOST_ASSERT( shared_count==0 );
|
||||
BOOST_ASSERT( ! upgrade );
|
||||
}
|
||||
|
||||
void assert_lock_shared () const
|
||||
{
|
||||
BOOST_ASSERT( ! exclusive );
|
||||
BOOST_ASSERT( shared_count>0 );
|
||||
//BOOST_ASSERT( (! upgrade) || (shared_count>1));
|
||||
// if upgraded there are at least 2 threads sharing the mutex,
|
||||
// except when unlock_upgrade_and_lock has decreased the number of readers but has not taken yet exclusive ownership.
|
||||
}
|
||||
|
||||
void assert_lock_upgraded () const
|
||||
{
|
||||
BOOST_ASSERT( ! exclusive );
|
||||
BOOST_ASSERT( upgrade );
|
||||
BOOST_ASSERT( shared_count>0 );
|
||||
}
|
||||
|
||||
void assert_lock_not_upgraded () const
|
||||
{
|
||||
BOOST_ASSERT( ! upgrade );
|
||||
}
|
||||
|
||||
bool can_lock () const
|
||||
{
|
||||
return ! (shared_count || exclusive);
|
||||
}
|
||||
|
||||
void exclusive_blocked (bool blocked)
|
||||
{
|
||||
exclusive_waiting_blocked = blocked;
|
||||
}
|
||||
|
||||
void lock ()
|
||||
{
|
||||
exclusive = true;
|
||||
}
|
||||
|
||||
void unlock ()
|
||||
{
|
||||
exclusive = false;
|
||||
exclusive_waiting_blocked = false;
|
||||
}
|
||||
|
||||
bool can_lock_shared () const
|
||||
{
|
||||
return ! (exclusive || exclusive_waiting_blocked);
|
||||
}
|
||||
|
||||
bool is_last_shared () const
|
||||
{
|
||||
return !shared_count ;
|
||||
}
|
||||
unsigned get_shared_count () const
|
||||
{
|
||||
return shared_count ;
|
||||
}
|
||||
unsigned lock_shared ()
|
||||
{
|
||||
return ++shared_count;
|
||||
}
|
||||
|
||||
|
||||
void unlock_shared ()
|
||||
{
|
||||
--shared_count;
|
||||
}
|
||||
|
||||
bool unlock_shared_downgrades()
|
||||
{
|
||||
if (upgrade) {
|
||||
upgrade=false;
|
||||
exclusive=true;
|
||||
return true;
|
||||
} else {
|
||||
exclusive_waiting_blocked=false;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
void lock_upgrade ()
|
||||
{
|
||||
lock_shared ();
|
||||
upgrade=true;
|
||||
}
|
||||
bool can_lock_upgrade () const
|
||||
{
|
||||
return ! (exclusive || exclusive_waiting_blocked || upgrade);
|
||||
}
|
||||
|
||||
void unlock_upgrade ()
|
||||
{
|
||||
upgrade=false;
|
||||
unlock_shared();
|
||||
}
|
||||
|
||||
//private:
|
||||
unsigned shared_count;
|
||||
bool exclusive;
|
||||
bool upgrade;
|
||||
bool exclusive_waiting_blocked;
|
||||
};
|
||||
|
||||
|
||||
|
||||
state_data state;
|
||||
boost::mutex state_change;
|
||||
boost::condition_variable shared_cond;
|
||||
boost::condition_variable exclusive_cond;
|
||||
boost::condition_variable upgrade_cond;
|
||||
|
||||
void release_waiters()
|
||||
{
|
||||
exclusive_cond.notify_one();
|
||||
shared_cond.notify_all();
|
||||
}
|
||||
|
||||
public:
|
||||
BOOST_THREAD_NO_COPYABLE(shared_mutex)
|
||||
|
||||
shared_mutex()
|
||||
{
|
||||
}
|
||||
|
||||
~shared_mutex()
|
||||
{
|
||||
}
|
||||
|
||||
void lock_shared()
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(!state.can_lock_shared())
|
||||
{
|
||||
shared_cond.wait(lk);
|
||||
}
|
||||
state.lock_shared();
|
||||
}
|
||||
|
||||
bool try_lock_shared()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
if(!state.can_lock_shared())
|
||||
{
|
||||
return false;
|
||||
}
|
||||
else
|
||||
{
|
||||
state.lock_shared();
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
bool timed_lock_shared(system_time const& timeout)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(!state.can_lock_shared())
|
||||
{
|
||||
if(!shared_cond.timed_wait(lk,timeout))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
state.lock_shared();
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename TimeDuration>
|
||||
bool timed_lock_shared(TimeDuration const & relative_time)
|
||||
{
|
||||
return timed_lock_shared(get_system_time()+relative_time);
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Rep, class Period>
|
||||
bool try_lock_shared_for(const chrono::duration<Rep, Period>& rel_time)
|
||||
{
|
||||
return try_lock_shared_until(chrono::steady_clock::now() + rel_time);
|
||||
}
|
||||
template <class Clock, class Duration>
|
||||
bool try_lock_shared_until(const chrono::time_point<Clock, Duration>& abs_time)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(!state.can_lock_shared())
|
||||
{
|
||||
if(cv_status::timeout==shared_cond.wait_until(lk,abs_time))
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
state.lock_shared();
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
void unlock_shared()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
state.unlock_shared();
|
||||
if (state.get_shared_count () == 0)
|
||||
{
|
||||
if (state.unlock_shared_downgrades())
|
||||
{
|
||||
lk.unlock();
|
||||
upgrade_cond.notify_one();
|
||||
} else {
|
||||
lk.unlock();
|
||||
}
|
||||
release_waiters();
|
||||
}
|
||||
}
|
||||
|
||||
void lock()
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(!state.can_lock())
|
||||
{
|
||||
state.exclusive_blocked(true);
|
||||
exclusive_cond.wait(lk);
|
||||
}
|
||||
state.lock();
|
||||
}
|
||||
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
bool timed_lock(system_time const& timeout)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(!state.can_lock())
|
||||
{
|
||||
state.exclusive_blocked(true);
|
||||
if(!exclusive_cond.timed_wait(lk,timeout))
|
||||
{
|
||||
if(!state.can_lock())
|
||||
{
|
||||
state.exclusive_blocked(false);
|
||||
release_waiters();
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
state.exclusive=true;
|
||||
//state.lock();
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename TimeDuration>
|
||||
bool timed_lock(TimeDuration const & relative_time)
|
||||
{
|
||||
return timed_lock(get_system_time()+relative_time);
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Rep, class Period>
|
||||
bool try_lock_for(const chrono::duration<Rep, Period>& rel_time)
|
||||
{
|
||||
return try_lock_until(chrono::steady_clock::now() + rel_time);
|
||||
}
|
||||
template <class Clock, class Duration>
|
||||
bool try_lock_until(const chrono::time_point<Clock, Duration>& abs_time)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
while(!state.can_lock())
|
||||
{
|
||||
state.exclusive_blocked(true);
|
||||
if(cv_status::timeout == exclusive_cond.wait_until(lk,abs_time))
|
||||
{
|
||||
if(!state.can_lock())
|
||||
{
|
||||
state.exclusive_blocked(false);
|
||||
release_waiters();
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
state.exclusive=true;
|
||||
//state.lock();
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
|
||||
bool try_lock()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
|
||||
if(!state.can_lock())
|
||||
{
|
||||
return false;
|
||||
}
|
||||
else
|
||||
{
|
||||
state.lock();
|
||||
return true;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void unlock()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_locked();
|
||||
state.unlock();
|
||||
state.assert_free();
|
||||
release_waiters();
|
||||
}
|
||||
|
||||
void lock_upgrade()
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
while(!state.can_lock_upgrade())
|
||||
{
|
||||
shared_cond.wait(lk);
|
||||
}
|
||||
state.lock_upgrade();
|
||||
}
|
||||
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
bool timed_lock_upgrade(system_time const& timeout)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
while(!state.can_lock_upgrade())
|
||||
{
|
||||
if(!shared_cond.timed_wait(lk,timeout))
|
||||
{
|
||||
if(!state.can_lock_upgrade())
|
||||
{
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
state.lock_upgrade();
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename TimeDuration>
|
||||
bool timed_lock_upgrade(TimeDuration const & relative_time)
|
||||
{
|
||||
return timed_lock_upgrade(get_system_time()+relative_time);
|
||||
}
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Rep, class Period>
|
||||
bool try_lock_upgrade_for(const chrono::duration<Rep, Period>& rel_time)
|
||||
{
|
||||
return try_lock_upgrade_until(chrono::steady_clock::now() + rel_time);
|
||||
}
|
||||
template <class Clock, class Duration>
|
||||
bool try_lock_upgrade_until(const chrono::time_point<Clock, Duration>& abs_time)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
while(!state.can_lock_upgrade())
|
||||
{
|
||||
if(cv_status::timeout == shared_cond.wait_until(lk,abs_time))
|
||||
{
|
||||
if(!state.can_lock_upgrade())
|
||||
{
|
||||
return false;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
state.lock_upgrade();
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
bool try_lock_upgrade()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
if(!state.can_lock_upgrade())
|
||||
{
|
||||
return false;
|
||||
}
|
||||
else
|
||||
{
|
||||
state.lock_upgrade();
|
||||
state.assert_lock_upgraded();
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
void unlock_upgrade()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_upgraded();
|
||||
state.unlock_upgrade();
|
||||
state.assert_lock_not_upgraded ();
|
||||
if(state.get_shared_count () == 0)
|
||||
{
|
||||
state.exclusive_blocked(false);
|
||||
lk.unlock();
|
||||
release_waiters();
|
||||
} else {
|
||||
lk.unlock();
|
||||
shared_cond.notify_all();
|
||||
}
|
||||
}
|
||||
|
||||
// Upgrade <-> Exclusive
|
||||
void unlock_upgrade_and_lock()
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_upgraded();
|
||||
// assert state.get_shared_count() >=1
|
||||
while(
|
||||
//! state.exclusive_waiting_blocked // Fixme: is this needed?
|
||||
//&&
|
||||
state.get_shared_count()!=1)
|
||||
{
|
||||
upgrade_cond.wait(lk);
|
||||
}
|
||||
state.unlock_upgrade();
|
||||
state.lock();
|
||||
state.assert_locked();
|
||||
}
|
||||
|
||||
void unlock_and_lock_upgrade()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_locked();
|
||||
state.unlock();
|
||||
state.lock_upgrade();
|
||||
state.assert_lock_upgraded();
|
||||
release_waiters();
|
||||
}
|
||||
|
||||
bool try_unlock_upgrade_and_lock()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_upgraded();
|
||||
if( //!state.exclusive // this should be removed once the assertion work
|
||||
! state.exclusive_waiting_blocked // Fixme: why this is needed?
|
||||
//&& state.upgrade // this should be removed once the assertion work
|
||||
&& state.get_shared_count()==1)
|
||||
{
|
||||
state.unlock_upgrade();
|
||||
state.lock();
|
||||
state.assert_locked();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Rep, class Period>
|
||||
bool
|
||||
try_unlock_upgrade_and_lock_for(
|
||||
const chrono::duration<Rep, Period>& rel_time)
|
||||
{
|
||||
return try_unlock_upgrade_and_lock_until(
|
||||
chrono::steady_clock::now() + rel_time);
|
||||
}
|
||||
template <class Clock, class Duration>
|
||||
bool
|
||||
try_unlock_upgrade_and_lock_until(
|
||||
const chrono::time_point<Clock, Duration>& abs_time)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_upgraded();
|
||||
if (//state.exclusive // this should be removed once the assertion work
|
||||
state.exclusive_waiting_blocked // Fixme: is this needed?
|
||||
//|| ! state.upgrade // this should be removed once the assertion work
|
||||
|| state.get_shared_count() != 1)
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
//cv_status status = shared_cond.wait_until(lk,abs_time);
|
||||
cv_status status = upgrade_cond.wait_until(lk,abs_time);
|
||||
if (//!state.exclusive // this should be removed once the assertion work
|
||||
! state.exclusive_waiting_blocked // Fixme: is this needed?
|
||||
//&& ! state.upgrade // this should be removed once the assertion work
|
||||
&& state.get_shared_count() == 1)
|
||||
break;
|
||||
if(status == cv_status::timeout)
|
||||
return false;
|
||||
}
|
||||
}
|
||||
state.unlock_upgrade();
|
||||
state.lock();
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
|
||||
// Shared <-> Exclusive
|
||||
void unlock_and_lock_shared()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_locked();
|
||||
state.unlock();
|
||||
state.lock_shared();
|
||||
release_waiters();
|
||||
}
|
||||
|
||||
#ifdef BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
|
||||
bool try_unlock_shared_and_lock()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
if( //!state.exclusive // this should be removed once the assertion work
|
||||
! state.exclusive_waiting_blocked // Fixme: why this is needed?
|
||||
//&& ! state.upgrade // Fixme: why this is needed if state.get_shared_count()==1?
|
||||
&& state.get_shared_count()==1)
|
||||
{
|
||||
state.unlock_shared();
|
||||
state.lock();
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Rep, class Period>
|
||||
bool
|
||||
try_unlock_shared_and_lock_for(
|
||||
const chrono::duration<Rep, Period>& rel_time)
|
||||
{
|
||||
return try_unlock_shared_and_lock_until(
|
||||
chrono::steady_clock::now() + rel_time);
|
||||
}
|
||||
template <class Clock, class Duration>
|
||||
bool
|
||||
try_unlock_shared_and_lock_until(
|
||||
const chrono::time_point<Clock, Duration>& abs_time)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
if ( // !state.exclusive // this should be removed once the assertion work
|
||||
state.exclusive_waiting_blocked // Fixme: is this needed?
|
||||
//|| state.upgrade // Fixme: why this is needed if state.get_shared_count()==1?
|
||||
|| state.get_shared_count() != 1)
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
cv_status status = shared_cond.wait_until(lk,abs_time);
|
||||
if ( //! state.exclusive // this should be removed once the assertion work
|
||||
! state.exclusive_waiting_blocked // Fixme: is this needed?
|
||||
//&& ! state.upgrade
|
||||
&& state.get_shared_count() == 1)
|
||||
break;
|
||||
if(status == cv_status::timeout)
|
||||
return false;
|
||||
}
|
||||
}
|
||||
state.unlock_shared();
|
||||
state.lock();
|
||||
state.upgrade=false; // Is this absolutely needed?
|
||||
state.exclusive_waiting_blocked=false; // Is this absolutely needed?
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
// Shared <-> Upgrade
|
||||
void unlock_upgrade_and_lock_shared()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_upgraded();
|
||||
//state.unlock_upgrade();
|
||||
//state.lock_shared(); // less efficient
|
||||
state.upgrade=false;
|
||||
state.exclusive_waiting_blocked=false; // Is this absolutely needed?
|
||||
release_waiters();
|
||||
}
|
||||
|
||||
#ifdef BOOST_THREAD_PROVIDES_SHARED_MUTEX_UPWARDS_CONVERSIONS
|
||||
bool try_unlock_shared_and_lock_upgrade()
|
||||
{
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
if( //! state.exclusive // this should be removed once the assertion work
|
||||
! state.exclusive_waiting_blocked // Fixme: is this needed?
|
||||
&& ! state.upgrade
|
||||
)
|
||||
{
|
||||
state.upgrade=true;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Rep, class Period>
|
||||
bool
|
||||
try_unlock_shared_and_lock_upgrade_for(
|
||||
const chrono::duration<Rep, Period>& rel_time)
|
||||
{
|
||||
return try_unlock_shared_and_lock_upgrade_until(
|
||||
chrono::steady_clock::now() + rel_time);
|
||||
}
|
||||
template <class Clock, class Duration>
|
||||
bool
|
||||
try_unlock_shared_and_lock_upgrade_until(
|
||||
const chrono::time_point<Clock, Duration>& abs_time)
|
||||
{
|
||||
#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
boost::this_thread::disable_interruption do_not_disturb;
|
||||
#endif
|
||||
boost::unique_lock<boost::mutex> lk(state_change);
|
||||
state.assert_lock_shared();
|
||||
if( //state.exclusive // this should be removed once the assertion work
|
||||
state.exclusive_waiting_blocked // Fixme: is this needed?
|
||||
|| state.upgrade
|
||||
)
|
||||
{
|
||||
for (;;)
|
||||
{
|
||||
cv_status status = exclusive_cond.wait_until(lk,abs_time);
|
||||
if( //! state.exclusive // this should be removed once the assertion work
|
||||
! state.exclusive_waiting_blocked // Fixme: is this needed?
|
||||
&& ! state.upgrade
|
||||
)
|
||||
break;
|
||||
if(status == cv_status::timeout)
|
||||
return false;
|
||||
}
|
||||
}
|
||||
//state.unlock_shared();
|
||||
//state.lock_upgrade(); // less efficient
|
||||
state.upgrade=true;
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
};
|
||||
|
||||
typedef shared_mutex upgrade_mutex;
|
||||
}
|
||||
|
||||
#include <boost/config/abi_suffix.hpp>
|
||||
|
||||
#endif
|
||||
@@ -12,10 +12,12 @@
|
||||
#include <boost/thread/lock_types.hpp>
|
||||
#include <boost/thread/mutex.hpp>
|
||||
#include <boost/thread/pthread/condition_variable_fwd.hpp>
|
||||
#include <boost/thread/pthread/pthread_mutex_scoped_lock.hpp>
|
||||
|
||||
#include <boost/shared_ptr.hpp>
|
||||
#include <boost/enable_shared_from_this.hpp>
|
||||
#include <boost/assert.hpp>
|
||||
#include <boost/thread/detail/platform_time.hpp>
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
#include <boost/chrono/system_clocks.hpp>
|
||||
#endif
|
||||
@@ -50,8 +52,12 @@ namespace boost
|
||||
// stack
|
||||
void set_stack_size(std::size_t size) BOOST_NOEXCEPT {
|
||||
if (size==0) return;
|
||||
#ifdef BOOST_THREAD_USES_GETPAGESIZE
|
||||
std::size_t page_size = getpagesize();
|
||||
#ifdef PTHREAD_STACK_MIN
|
||||
#else
|
||||
std::size_t page_size = ::sysconf( _SC_PAGESIZE);
|
||||
#endif
|
||||
#if PTHREAD_STACK_MIN > 0
|
||||
if (size<PTHREAD_STACK_MIN) size=PTHREAD_STACK_MIN;
|
||||
#endif
|
||||
size = ((size+page_size-1)/page_size)*page_size;
|
||||
@@ -88,12 +94,15 @@ namespace boost
|
||||
struct thread_exit_callback_node;
|
||||
struct tss_data_node
|
||||
{
|
||||
boost::shared_ptr<boost::detail::tss_cleanup_function> func;
|
||||
typedef void(*cleanup_func_t)(void*);
|
||||
typedef void(*cleanup_caller_t)(cleanup_func_t, void*);
|
||||
|
||||
cleanup_caller_t caller;
|
||||
cleanup_func_t func;
|
||||
void* value;
|
||||
|
||||
tss_data_node(boost::shared_ptr<boost::detail::tss_cleanup_function> func_,
|
||||
void* value_):
|
||||
func(func_),value(value_)
|
||||
tss_data_node(cleanup_caller_t caller_,cleanup_func_t func_,void* value_):
|
||||
caller(caller_),func(func_),value(value_)
|
||||
{}
|
||||
};
|
||||
|
||||
@@ -107,8 +116,6 @@ namespace boost
|
||||
pthread_t thread_handle;
|
||||
boost::mutex data_mutex;
|
||||
boost::condition_variable done_condition;
|
||||
boost::mutex sleep_mutex;
|
||||
boost::condition_variable sleep_condition;
|
||||
bool done;
|
||||
bool join_started;
|
||||
bool joined;
|
||||
@@ -127,9 +134,10 @@ namespace boost
|
||||
> notify_list_t;
|
||||
notify_list_t notify;
|
||||
|
||||
//#ifndef BOOST_NO_EXCEPTIONS
|
||||
typedef std::vector<shared_ptr<shared_state_base> > async_states_t;
|
||||
async_states_t async_states_;
|
||||
|
||||
//#endif
|
||||
//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
// These data must be at the end so that the access to the other fields doesn't change
|
||||
// when BOOST_THREAD_PROVIDES_INTERRUPTIONS is defined.
|
||||
@@ -145,8 +153,10 @@ namespace boost
|
||||
cond_mutex(0),
|
||||
current_cond(0),
|
||||
//#endif
|
||||
notify(),
|
||||
async_states_()
|
||||
notify()
|
||||
//#ifndef BOOST_NO_EXCEPTIONS
|
||||
, async_states_()
|
||||
//#endif
|
||||
//#if defined BOOST_THREAD_PROVIDES_INTERRUPTIONS
|
||||
, interrupt_enabled(true)
|
||||
, interrupt_requested(false)
|
||||
@@ -162,11 +172,12 @@ namespace boost
|
||||
notify.push_back(std::pair<condition_variable*, mutex*>(cv, m));
|
||||
}
|
||||
|
||||
//#ifndef BOOST_NO_EXCEPTIONS
|
||||
void make_ready_at_thread_exit(shared_ptr<shared_state_base> as)
|
||||
{
|
||||
async_states_.push_back(as);
|
||||
}
|
||||
|
||||
//#endif
|
||||
};
|
||||
|
||||
BOOST_THREAD_DECL thread_data_base* get_current_thread_data();
|
||||
@@ -177,6 +188,7 @@ namespace boost
|
||||
thread_data_base* const thread_info;
|
||||
pthread_mutex_t* m;
|
||||
bool set;
|
||||
bool done;
|
||||
|
||||
void check_for_interruption()
|
||||
{
|
||||
@@ -193,7 +205,7 @@ namespace boost
|
||||
public:
|
||||
explicit interruption_checker(pthread_mutex_t* cond_mutex,pthread_cond_t* cond):
|
||||
thread_info(detail::get_current_thread_data()),m(cond_mutex),
|
||||
set(thread_info && thread_info->interrupt_enabled)
|
||||
set(thread_info && thread_info->interrupt_enabled), done(false)
|
||||
{
|
||||
if(set)
|
||||
{
|
||||
@@ -201,26 +213,34 @@ namespace boost
|
||||
check_for_interruption();
|
||||
thread_info->cond_mutex=cond_mutex;
|
||||
thread_info->current_cond=cond;
|
||||
BOOST_VERIFY(!pthread_mutex_lock(m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_lock(m));
|
||||
}
|
||||
else
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_lock(m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_lock(m));
|
||||
}
|
||||
}
|
||||
~interruption_checker()
|
||||
void unlock_if_locked()
|
||||
{
|
||||
if(set)
|
||||
if ( ! done) {
|
||||
if (set)
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_unlock(m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_unlock(m));
|
||||
lock_guard<mutex> guard(thread_info->data_mutex);
|
||||
thread_info->cond_mutex=NULL;
|
||||
thread_info->current_cond=NULL;
|
||||
}
|
||||
else
|
||||
{
|
||||
BOOST_VERIFY(!pthread_mutex_unlock(m));
|
||||
BOOST_VERIFY(!posix::pthread_mutex_unlock(m));
|
||||
}
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
|
||||
~interruption_checker() BOOST_NOEXCEPT_IF(false)
|
||||
{
|
||||
unlock_if_locked();
|
||||
}
|
||||
};
|
||||
#endif
|
||||
@@ -228,45 +248,15 @@ namespace boost
|
||||
|
||||
namespace this_thread
|
||||
{
|
||||
void BOOST_THREAD_DECL yield() BOOST_NOEXCEPT;
|
||||
|
||||
namespace hidden
|
||||
{
|
||||
void BOOST_THREAD_DECL sleep_for(const timespec& ts);
|
||||
void BOOST_THREAD_DECL sleep_until(const timespec& ts);
|
||||
}
|
||||
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
#ifdef BOOST_THREAD_SLEEP_FOR_IS_STEADY
|
||||
|
||||
inline
|
||||
void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
|
||||
{
|
||||
return boost::this_thread::hidden::sleep_for(boost::detail::to_timespec(ns));
|
||||
}
|
||||
#endif
|
||||
#endif // BOOST_THREAD_USES_CHRONO
|
||||
|
||||
namespace no_interruption_point
|
||||
{
|
||||
namespace hidden
|
||||
inline bool always_false()
|
||||
{
|
||||
void BOOST_THREAD_DECL sleep_for(const timespec& ts);
|
||||
void BOOST_THREAD_DECL sleep_until(const timespec& ts);
|
||||
return false;
|
||||
}
|
||||
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
#ifdef BOOST_THREAD_SLEEP_FOR_IS_STEADY
|
||||
|
||||
inline
|
||||
void BOOST_SYMBOL_VISIBLE sleep_for(const chrono::nanoseconds& ns)
|
||||
{
|
||||
return boost::this_thread::no_interruption_point::hidden::sleep_for(boost::detail::to_timespec(ns));
|
||||
}
|
||||
#endif
|
||||
#endif // BOOST_THREAD_USES_CHRONO
|
||||
|
||||
} // no_interruption_point
|
||||
|
||||
void BOOST_THREAD_DECL yield() BOOST_NOEXCEPT;
|
||||
}
|
||||
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
#ifdef __DECXXX
|
||||
@@ -275,15 +265,141 @@ namespace boost
|
||||
#endif
|
||||
inline void sleep(system_time const& abs_time)
|
||||
{
|
||||
return boost::this_thread::hidden::sleep_until(boost::detail::to_timespec(abs_time));
|
||||
mutex mx;
|
||||
unique_lock<mutex> lock(mx);
|
||||
condition_variable cond;
|
||||
cond.timed_wait(lock, abs_time, hidden::always_false);
|
||||
}
|
||||
|
||||
template<typename TimeDuration>
|
||||
inline BOOST_SYMBOL_VISIBLE void sleep(TimeDuration const& rel_time)
|
||||
void sleep(TimeDuration const& rel_time)
|
||||
{
|
||||
this_thread::sleep(get_system_time()+rel_time);
|
||||
mutex mx;
|
||||
unique_lock<mutex> lock(mx);
|
||||
condition_variable cond;
|
||||
cond.timed_wait(lock, rel_time, hidden::always_false);
|
||||
}
|
||||
#endif // BOOST_THREAD_USES_DATETIME
|
||||
#endif
|
||||
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Clock, class Duration>
|
||||
void sleep_until(const chrono::time_point<Clock, Duration>& t)
|
||||
{
|
||||
mutex mut;
|
||||
unique_lock<mutex> lk(mut);
|
||||
condition_variable cv;
|
||||
cv.wait_until(lk, t, hidden::always_false);
|
||||
}
|
||||
|
||||
template <class Rep, class Period>
|
||||
void sleep_for(const chrono::duration<Rep, Period>& d)
|
||||
{
|
||||
mutex mut;
|
||||
unique_lock<mutex> lk(mut);
|
||||
condition_variable cv;
|
||||
cv.wait_for(lk, d, hidden::always_false);
|
||||
}
|
||||
#endif
|
||||
|
||||
namespace no_interruption_point
|
||||
{
|
||||
#if defined BOOST_THREAD_SLEEP_FOR_IS_STEADY
|
||||
// Use pthread_delay_np or nanosleep when available
|
||||
// because they do not provide an interruption point.
|
||||
|
||||
namespace hidden
|
||||
{
|
||||
void BOOST_THREAD_DECL sleep_for_internal(const detail::platform_duration& ts);
|
||||
}
|
||||
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
#ifdef __DECXXX
|
||||
/// Workaround of DECCXX issue of incorrect template substitution
|
||||
template<>
|
||||
#endif
|
||||
inline void sleep(system_time const& abs_time)
|
||||
{
|
||||
const detail::real_platform_timepoint ts(abs_time);
|
||||
detail::platform_duration d(ts - detail::real_platform_clock::now());
|
||||
while (d > detail::platform_duration::zero())
|
||||
{
|
||||
d = (std::min)(d, detail::platform_milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS));
|
||||
hidden::sleep_for_internal(d);
|
||||
d = ts - detail::real_platform_clock::now();
|
||||
}
|
||||
}
|
||||
|
||||
template<typename TimeDuration>
|
||||
void sleep(TimeDuration const& rel_time)
|
||||
{
|
||||
hidden::sleep_for_internal(detail::platform_duration(rel_time));
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Rep, class Period>
|
||||
void sleep_for(const chrono::duration<Rep, Period>& d)
|
||||
{
|
||||
hidden::sleep_for_internal(detail::platform_duration(d));
|
||||
}
|
||||
|
||||
template <class Duration>
|
||||
void sleep_until(const chrono::time_point<chrono::steady_clock, Duration>& t)
|
||||
{
|
||||
sleep_for(t - chrono::steady_clock::now());
|
||||
}
|
||||
|
||||
template <class Clock, class Duration>
|
||||
void sleep_until(const chrono::time_point<Clock, Duration>& t)
|
||||
{
|
||||
typedef typename common_type<Duration, typename Clock::duration>::type common_duration;
|
||||
common_duration d(t - Clock::now());
|
||||
while (d > common_duration::zero())
|
||||
{
|
||||
d = (std::min)(d, common_duration(chrono::milliseconds(BOOST_THREAD_POLL_INTERVAL_MILLISECONDS)));
|
||||
hidden::sleep_for_internal(detail::platform_duration(d));
|
||||
d = t - Clock::now();
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#else // BOOST_THREAD_SLEEP_FOR_IS_STEADY
|
||||
// When pthread_delay_np and nanosleep are not available,
|
||||
// fall back to using the interruptible sleep functions.
|
||||
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
#ifdef __DECXXX
|
||||
/// Workaround of DECCXX issue of incorrect template substitution
|
||||
template<>
|
||||
#endif
|
||||
inline void sleep(system_time const& abs_time)
|
||||
{
|
||||
this_thread::sleep(abs_time);
|
||||
}
|
||||
|
||||
template<typename TimeDuration>
|
||||
void sleep(TimeDuration const& rel_time)
|
||||
{
|
||||
this_thread::sleep(rel_time);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
template <class Clock, class Duration>
|
||||
void sleep_until(const chrono::time_point<Clock, Duration>& t)
|
||||
{
|
||||
this_thread::sleep_until(t);
|
||||
}
|
||||
|
||||
template <class Rep, class Period>
|
||||
void sleep_for(const chrono::duration<Rep, Period>& d)
|
||||
{
|
||||
this_thread::sleep_for(d);
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif // BOOST_THREAD_SLEEP_FOR_IS_STEADY
|
||||
} // no_interruption_point
|
||||
} // this_thread
|
||||
}
|
||||
|
||||
|
||||
@@ -16,8 +16,13 @@ namespace boost
|
||||
{
|
||||
return new T();
|
||||
}
|
||||
|
||||
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
|
||||
#if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD) && ! defined (BOOST_NO_CXX11_RVALUE_REFERENCES)
|
||||
template<typename T,typename... Args>
|
||||
inline T* heap_new(Args&&... args)
|
||||
{
|
||||
return new T(static_cast<Args&&>(args)...);
|
||||
}
|
||||
#elif ! defined BOOST_NO_CXX11_RVALUE_REFERENCES
|
||||
template<typename T,typename A1>
|
||||
inline T* heap_new(A1&& a1)
|
||||
{
|
||||
@@ -61,6 +66,31 @@ namespace boost
|
||||
{
|
||||
return new T(a1,a2,a3,a4);
|
||||
}
|
||||
template<typename T,typename A1,typename A2,typename A3,typename A4,typename A5>
|
||||
inline T* heap_new_impl(A1 a1,A2 a2,A3 a3,A4 a4,A5 a5)
|
||||
{
|
||||
return new T(a1,a2,a3,a4,a5);
|
||||
}
|
||||
template<typename T,typename A1,typename A2,typename A3,typename A4,typename A5,typename A6>
|
||||
inline T* heap_new_impl(A1 a1,A2 a2,A3 a3,A4 a4,A5 a5,A6 a6)
|
||||
{
|
||||
return new T(a1,a2,a3,a4,a5,a6);
|
||||
}
|
||||
template<typename T,typename A1,typename A2,typename A3,typename A4,typename A5,typename A6,typename A7>
|
||||
inline T* heap_new_impl(A1 a1,A2 a2,A3 a3,A4 a4,A5 a5,A6 a6,A7 a7)
|
||||
{
|
||||
return new T(a1,a2,a3,a4,a5,a6,a7);
|
||||
}
|
||||
template<typename T,typename A1,typename A2,typename A3,typename A4,typename A5,typename A6,typename A7,typename A8>
|
||||
inline T* heap_new_impl(A1 a1,A2 a2,A3 a3,A4 a4,A5 a5,A6 a6,A7 a7,A8 a8)
|
||||
{
|
||||
return new T(a1,a2,a3,a4,a5,a6,a7,a8);
|
||||
}
|
||||
template<typename T,typename A1,typename A2,typename A3,typename A4,typename A5,typename A6,typename A7,typename A8,typename A9>
|
||||
inline T* heap_new_impl(A1 a1,A2 a2,A3 a3,A4 a4,A5 a5,A6 a6,A7 a7,A8 a8,A9 a9)
|
||||
{
|
||||
return new T(a1,a2,a3,a4,a5,a6,a7,a8,a9);
|
||||
}
|
||||
|
||||
template<typename T,typename A1>
|
||||
inline T* heap_new(A1 const& a1)
|
||||
|
||||
@@ -1,149 +0,0 @@
|
||||
#ifndef BOOST_THREAD_PTHREAD_TIMESPEC_HPP
|
||||
#define BOOST_THREAD_PTHREAD_TIMESPEC_HPP
|
||||
// (C) Copyright 2007-8 Anthony Williams
|
||||
// (C) Copyright 2012 Vicente J. Botet Escriba
|
||||
//
|
||||
// Distributed under the Boost Software License, Version 1.0. (See
|
||||
// accompanying file LICENSE_1_0.txt or copy at
|
||||
// http://www.boost.org/LICENSE_1_0.txt)
|
||||
|
||||
#include <boost/thread/detail/config.hpp>
|
||||
#include <boost/thread/thread_time.hpp>
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
#include <boost/date_time/posix_time/conversion.hpp>
|
||||
#endif
|
||||
#include <pthread.h>
|
||||
#ifndef _WIN32
|
||||
#include <unistd.h>
|
||||
#endif
|
||||
#ifdef BOOST_THREAD_USES_CHRONO
|
||||
#include <boost/chrono/duration.hpp>
|
||||
#endif
|
||||
|
||||
#if defined(macintosh) || defined(__APPLE__) || defined(__APPLE_CC__)
|
||||
# define BOOST_THREAD_TIMESPEC_MAC_API
|
||||
#include <sys/time.h> //for gettimeofday and timeval
|
||||
#else
|
||||
#include <time.h> // for clock_gettime
|
||||
#endif
|
||||
|
||||
#include <boost/config/abi_prefix.hpp>
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace detail
|
||||
{
|
||||
#if defined BOOST_THREAD_USES_DATETIME
|
||||
inline struct timespec to_timespec(boost::system_time const& abs_time)
|
||||
{
|
||||
struct timespec timeout = { 0,0};
|
||||
boost::posix_time::time_duration const time_since_epoch=abs_time-boost::posix_time::from_time_t(0);
|
||||
|
||||
timeout.tv_sec=time_since_epoch.total_seconds();
|
||||
timeout.tv_nsec=(long)(time_since_epoch.fractional_seconds()*(1000000000l/time_since_epoch.ticks_per_second()));
|
||||
return timeout;
|
||||
}
|
||||
#endif
|
||||
#if defined BOOST_THREAD_USES_CHRONO
|
||||
inline timespec to_timespec(chrono::nanoseconds const& ns)
|
||||
{
|
||||
struct timespec ts;
|
||||
ts.tv_sec = static_cast<long>(chrono::duration_cast<chrono::seconds>(ns).count());
|
||||
ts.tv_nsec = static_cast<long>((ns - chrono::duration_cast<chrono::seconds>(ns)).count());
|
||||
return ts;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
inline timespec to_timespec(boost::intmax_t const& ns)
|
||||
{
|
||||
boost::intmax_t s = ns / 1000000000l;
|
||||
struct timespec ts;
|
||||
ts.tv_sec = static_cast<long> (s);
|
||||
ts.tv_nsec = static_cast<long> (ns - s * 1000000000l);
|
||||
return ts;
|
||||
}
|
||||
inline boost::intmax_t to_nanoseconds_int_max(timespec const& ts)
|
||||
{
|
||||
return static_cast<boost::intmax_t>(ts.tv_sec) * 1000000000l + ts.tv_nsec;
|
||||
}
|
||||
inline bool timespec_ge_zero(timespec const& ts)
|
||||
{
|
||||
return (ts.tv_sec >= 0) || (ts.tv_nsec >= 0);
|
||||
}
|
||||
inline timespec timespec_now()
|
||||
{
|
||||
timespec ts;
|
||||
|
||||
#if defined CLOCK_MONOTONIC && defined BOOST_THREAD_USEFIXES_TIMESPEC
|
||||
if ( ::clock_gettime( CLOCK_MONOTONIC, &ts ) )
|
||||
{
|
||||
ts.tv_sec = 0;
|
||||
ts.tv_nsec = 0;
|
||||
BOOST_ASSERT(0 && "Boost::Thread - Internal Error");
|
||||
}
|
||||
#elif defined(BOOST_THREAD_TIMESPEC_MAC_API)
|
||||
timeval tv;
|
||||
::gettimeofday(&tv, 0);
|
||||
ts.tv_sec = tv.tv_sec;
|
||||
ts.tv_nsec = tv.tv_usec * 1000;
|
||||
#else
|
||||
if ( ::clock_gettime( CLOCK_REALTIME, &ts ) )
|
||||
{
|
||||
ts.tv_sec = 0;
|
||||
ts.tv_nsec = 0;
|
||||
BOOST_ASSERT(0 && "Boost::Thread - Internal Error");
|
||||
}
|
||||
#endif
|
||||
return ts;
|
||||
}
|
||||
|
||||
inline timespec timespec_now_realtime()
|
||||
{
|
||||
timespec ts;
|
||||
|
||||
#if defined(BOOST_THREAD_TIMESPEC_MAC_API)
|
||||
timeval tv;
|
||||
::gettimeofday(&tv, 0);
|
||||
ts.tv_sec = tv.tv_sec;
|
||||
ts.tv_nsec = tv.tv_usec * 1000;
|
||||
#else
|
||||
if ( ::clock_gettime( CLOCK_REALTIME, &ts ) )
|
||||
{
|
||||
ts.tv_sec = 0;
|
||||
ts.tv_nsec = 0;
|
||||
BOOST_ASSERT(0 && "Boost::Thread - Internal Error");
|
||||
}
|
||||
#endif
|
||||
return ts;
|
||||
}
|
||||
inline timespec timespec_zero()
|
||||
{
|
||||
timespec ts;
|
||||
ts.tv_sec = 0;
|
||||
ts.tv_nsec = 0;
|
||||
return ts;
|
||||
}
|
||||
inline timespec timespec_plus(timespec const& lhs, timespec const& rhs)
|
||||
{
|
||||
return to_timespec(to_nanoseconds_int_max(lhs) + to_nanoseconds_int_max(rhs));
|
||||
}
|
||||
inline timespec timespec_minus(timespec const& lhs, timespec const& rhs)
|
||||
{
|
||||
return to_timespec(to_nanoseconds_int_max(lhs) - to_nanoseconds_int_max(rhs));
|
||||
}
|
||||
inline bool timespec_gt(timespec const& lhs, timespec const& rhs)
|
||||
{
|
||||
return to_nanoseconds_int_max(lhs) > to_nanoseconds_int_max(rhs);
|
||||
}
|
||||
inline bool timespec_ge(timespec const& lhs, timespec const& rhs)
|
||||
{
|
||||
return to_nanoseconds_int_max(lhs) >= to_nanoseconds_int_max(rhs);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
#include <boost/config/abi_suffix.hpp>
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user