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[libs/core.git] / source / semaphore.h

diff --git a/source/semaphore.h b/source/semaphore.h
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+/*
+This file is part of libmspframework
+Copyright © 2006 Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+#ifndef MSP_FRAMEWORK_SEMAPHORE_H_
+#define MSP_FRAMEWORK_SEMAPHORE_H_
+
+#include <pthread.h>
+#include "mutex.h"
+
+namespace Msp {
+
+class Semaphore
+{
+public:
+       Semaphore() { pthread_cond_init(&cond, 0); }
+       Mutex &get_mutex() { return mutex; }
+       int   signal()     { return pthread_cond_signal(&cond); }
+       int   broadcast()  { return pthread_cond_broadcast(&cond); }
+       int   wait()       { return pthread_cond_wait(&cond, &mutex.mutex); }
+       ~Semaphore()       { pthread_cond_destroy(&cond); }
+private:
+       Mutex mutex;
+       pthread_cond_t cond;
+};
+
+}
+
+#endif