lsnes/include/library/threads.hpp
2014-03-23 10:28:33 +02:00

81 lines
1.6 KiB
C++

#ifndef _library_threads__hpp__included__
#define _library_threads__hpp__included__
#include <cstdint>
#include <vector>
#ifdef NATIVE_THREADS
#include <thread>
#include <condition_variable>
#include <mutex>
#else
#include <boost/thread.hpp>
#include <boost/thread/locks.hpp>
#endif
namespace threads
{
#ifdef NATIVE_THREADS
typedef std::thread thread;
typedef std::condition_variable cv;
typedef std::mutex lock;
typedef std::unique_lock<std::mutex> alock;
typedef std::chrono::microseconds ustime;
typedef std::thread::id id;
inline void cv_timed_wait(cv& c, alock& m, const ustime& t)
{
c.wait_for(m, t);
}
inline id this_id()
{
return std::this_thread::get_id();
}
#else
typedef boost::thread thread;
typedef boost::condition_variable cv;
typedef boost::mutex lock;
typedef boost::unique_lock<boost::mutex> alock;
typedef boost::posix_time::microseconds ustime;
typedef boost::thread::id id;
inline void cv_timed_wait(cv& c, alock& m, const ustime& t)
{
c.timed_wait(m, t);
}
inline id this_id()
{
return boost::this_thread::get_id();
}
#endif
/**
* Lock multiple locks.
*
* The locks are always locked in address order. Duplicate locks are only locked once.
*/
void lock_multiple(std::initializer_list<lock*> locks);
/**
* Unlock multiple locks.
*
* Duplicate locks are only unlocked once.
*/
void unlock_multiple(std::initializer_list<lock*> locks);
void unlock_multiple(std::vector<lock*> locks);
class alock_multiple
{
public:
alock_multiple(std::initializer_list<lock*> locks)
{
_locks = std::vector<lock*>(locks);
lock_multiple(locks);
}
~alock_multiple()
{
unlock_multiple(_locks);
}
private:
std::vector<lock*> _locks;
};
}
#endif