-/*
-This file is part of libmspframework
+/* $Id$
+
+This file is part of libmspcore
Copyright © 2006 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
-#ifndef MSP_FRAMEWORK_SEMAPHORE_H_
-#define MSP_FRAMEWORK_SEMAPHORE_H_
+
+#ifndef MSP_CORE_SEMAPHORE_H_
+#define MSP_CORE_SEMAPHORE_H_
#include "mutex.h"
#include "types.h"
class Semaphore
{
-public:
-#ifndef WIN32
- Semaphore() { pthread_cond_init(&sem, 0); }
- int signal() { MutexLock l(mutex); return pthread_cond_signal(&sem); }
- int broadcast() { MutexLock l(mutex); return pthread_cond_broadcast(&sem); }
- int wait() { MutexLock l(mutex); return pthread_cond_wait(&sem, &mutex.mutex); }
- int wait(const Time::TimeDelta &);
- ~Semaphore() { pthread_cond_destroy(&sem); }
-#else
- Semaphore() { sem=CreateSemaphore(0, 0, 32, 0); }
- int signal() { return !ReleaseSemaphore(sem, 1, 0); }
- int broadcast() { return !ReleaseSemaphore(sem, 32, 0); }
- int wait() { return WaitForSingleObject(sem, INFINITE)==WAIT_OBJECT_0; }
- int wait(const Time::TimeDelta &);
- ~Semaphore() { CloseHandle(sem); }
+private:
+ Mutex *mutex;
+ bool own_mutex;
+ SemaphoreHandle sem;
+#ifdef WIN32
+ unsigned count;
#endif
+
+public:
+ Semaphore();
+ Semaphore(Mutex &);
private:
+ void init();
+public:
+ ~Semaphore();
+
+ int signal();
+ int broadcast();
+ int wait();
+ int wait(const Time::TimeDelta &);
+ Mutex &get_mutex() { return *mutex; }
+};
+
#ifndef WIN32
- Mutex mutex;
+inline int Semaphore::signal()
+{ return pthread_cond_signal(&sem); }
+
+inline int Semaphore::broadcast()
+{ return pthread_cond_broadcast(&sem); }
+
+inline int Semaphore::wait()
+{ return pthread_cond_wait(&sem, &mutex->mutex); }
#endif
- SemaphoreHandle sem;
-};
}