genericopenlibs/openenvcore/libpthread/src/pthread_cond_signal.cpp
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/openenvcore/libpthread/src/pthread_cond_signal.cpp	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,46 @@
+// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Name        : pthread_cond_signal.cpp
+// Part of     : pthread
+// Interface   : POSIX, pthread
+// POSIX implementation of pthread on Symbian
+// Version     :
+//
+
+
+
+#include "condvartypes.h"
+
+/*
+This function restarts one of the threads that are waiting on the condition 
+variable cond. If no threads are waiting on cond, nothing happens. If several 
+threads are waiting on cond, exactly one is restarted. 
+*/
+EXPORT_C int pthread_cond_signal(pthread_cond_t *cond)
+{
+    if(!_staticCondInit(cond))
+    {
+        return EINVAL;
+    }
+    _CondNode* node = _QueueRemoveHead(&cond->iQueue);
+    if(node)
+    {
+        sem_post(&node->iSemaphore);    
+    }
+    return 0;
+}
+
+
+//End of File
+