add boost on mac

macx64/include/boost/interprocess/sync/spin/semaphore.hpp

@@ -0,0 +1,94 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2005-2012. 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)
+//
+// See http://www.boost.org/libs/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_DETAIL_SPIN_SEMAPHORE_HPP
+#define BOOST_INTERPROCESS_DETAIL_SPIN_SEMAPHORE_HPP
+
+#ifndef BOOST_CONFIG_HPP
+#  include <boost/config.hpp>
+#endif
+#
+#if defined(BOOST_HAS_PRAGMA_ONCE)
+#  pragma once
+#endif
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+#include <boost/interprocess/detail/atomic.hpp>
+#include <boost/interprocess/detail/os_thread_functions.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/sync/detail/common_algorithms.hpp>
+#include <boost/interprocess/sync/detail/locks.hpp>
+#include <boost/cstdint.hpp>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+class spin_semaphore
+{
+   spin_semaphore(const spin_semaphore &);
+   spin_semaphore &operator=(const spin_semaphore &);
+
+   public:
+   spin_semaphore(unsigned int initialCount);
+   ~spin_semaphore();
+
+   void post();
+   void wait();
+   bool try_wait();
+   bool timed_wait(const boost::posix_time::ptime &abs_time);
+
+//   int get_count() const;
+   private:
+   volatile boost::uint32_t m_count;
+};
+
+
+inline spin_semaphore::~spin_semaphore()
+{}
+
+inline spin_semaphore::spin_semaphore(unsigned int initialCount)
+{  ipcdetail::atomic_write32(&this->m_count, boost::uint32_t(initialCount));  }
+
+inline void spin_semaphore::post()
+{
+   ipcdetail::atomic_inc32(&m_count);
+}
+
+inline void spin_semaphore::wait()
+{
+   ipcdetail::lock_to_wait<spin_semaphore> lw(*this);
+   return ipcdetail::try_based_lock(lw);
+}
+
+inline bool spin_semaphore::try_wait()
+{
+   return ipcdetail::atomic_add_unless32(&m_count, boost::uint32_t(-1), boost::uint32_t(0));
+}
+
+inline bool spin_semaphore::timed_wait(const boost::posix_time::ptime &abs_time)
+{
+   ipcdetail::lock_to_wait<spin_semaphore> lw(*this);
+   return ipcdetail::try_based_timed_lock(lw, abs_time);
+}
+
+//inline int spin_semaphore::get_count() const
+//{
+   //return (int)ipcdetail::atomic_read32(&m_count);
+//}
+
+}  //namespace ipcdetail {
+}  //namespace interprocess {
+}  //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif   //BOOST_INTERPROCESS_DETAIL_SPIN_SEMAPHORE_HPP