Files
concurrency-in-action/source/listing_2.6.cpp
2014-04-22 21:54:16 -04:00

57 lines
837 B
C++

#include <thread>
#include <utility>
class scoped_thread
{
std::thread t;
public:
explicit scoped_thread(std::thread t_):
t(std::move(t_))
{
if(!t.joinable())
throw std::logic_error("No thread");
}
~scoped_thread()
{
t.join();
}
scoped_thread(scoped_thread const&)=delete;
scoped_thread& operator=(scoped_thread const&)=delete;
};
void do_something(int& i)
{
++i;
}
struct func
{
int& i;
func(int& i_):i(i_){}
void operator()()
{
for(unsigned j=0;j<1000000;++j)
{
do_something(i);
}
}
};
void do_something_in_current_thread()
{}
void f()
{
int some_local_state;
scoped_thread t(std::thread(func(some_local_state)));
do_something_in_current_thread();
}
int main()
{
f();
}