Added sharedSynchronization library

engine/shared/library/sharedSynchronization/src/linux/Semaphore.cpp

@@ -0,0 +1,40 @@
+// ======================================================================
+//
+// Semaphore.cpp
+// Acy Stapp
+//
+// Copyright 6/19/2001 Sony Online Entertainment
+//
+// ======================================================================
+
+#include "sharedFoundation/FirstSharedFoundation.h"
+#include "sharedSynchronization/Semaphore.h"
+
+Semaphore::Semaphore(int count, int initial)
+{
+	sem_init(&sem, false, initial);
+}
+
+Semaphore::~Semaphore()
+{
+	sem_destroy(&sem);
+}
+
+void Semaphore::wait()
+{
+	sem_wait(&sem);
+}
+
+void Semaphore::wait(unsigned int maxDurationMs)
+{
+	timespec ts;
+	ts.tv_sec = maxDurationMs/1000000;
+	ts.tv_nsec = maxDurationMs%1000000;
+	sem_timedwait(&sem, &ts);
+}
+
+void Semaphore::signal(int count)
+{
+	sem_post(&sem);
+}
+