Add TrueCrypt 7.1a MacOSX/Linux specific source files.

src/Platform/Unix/SyncEvent.cpp

@@ -0,0 +1,68 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#include "Platform/Exception.h"
+#include "Platform/SyncEvent.h"
+#include "Platform/SystemException.h"
+
+namespace TrueCrypt
+{
+	SyncEvent::SyncEvent ()
+	{
+		int status = pthread_cond_init (&SystemSyncEvent, nullptr);
+		if (status != 0)
+			throw SystemException (SRC_POS, status);
+
+		Signaled = false;
+		Initialized = true;
+	}
+
+	SyncEvent::~SyncEvent ()
+	{
+#ifdef DEBUG
+		int status =
+#endif
+		pthread_cond_destroy (&SystemSyncEvent);
+
+#ifdef DEBUG
+		if (status != 0)
+			SystemLog::WriteException (SystemException (SRC_POS, status));
+#endif
+
+		Initialized = false;
+	}
+
+	void SyncEvent::Signal ()
+	{
+		assert (Initialized);
+
+		ScopeLock lock (EventMutex);
+
+		Signaled = true;
+
+		int status = pthread_cond_signal (&SystemSyncEvent);
+		if (status != 0)
+			throw SystemException (SRC_POS, status);
+	}
+
+	void SyncEvent::Wait ()
+	{
+		assert (Initialized);
+
+		ScopeLock lock (EventMutex);
+
+		while (!Signaled)
+		{
+			int status = pthread_cond_wait (&SystemSyncEvent, EventMutex.GetSystemHandle());
+			if (status != 0)
+				throw SystemException (SRC_POS, status);
+		}
+		
+		Signaled = false;
+	}
+}