diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicscomposition/openwfcompositionengine/adaptation/src/Platform/OS/symbian/owfsemaphore.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/graphicscomposition/openwfcompositionengine/adaptation/src/Platform/OS/symbian/owfsemaphore.c	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,90 @@
+/* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and/or associated documentation files (the
+ * "Materials"), to deal in the Materials without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Materials, and to
+ * permit persons to whom the Materials are furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Materials.
+ * 
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ */
+
+#include <errno.h>
+#include <time.h>
+#include <semaphore.h>
+#include <stdlib.h>
+
+#include "owfsemaphore.h"
+#include "owfmemory.h"
+
+#define SEM(x)          (sem_t*)(*x)
+
+OWF_API_CALL OWFint
+OWF_Semaphore_Init(OWF_SEMAPHORE* sem, OWFint val)
+{
+    *sem = xalloc(1, sizeof(sem_t));
+    if (!*sem) {
+        return ENOMEM;
+    }
+    return sem_init(SEM(sem), 0, val);
+}
+
+OWF_API_CALL OWFint
+OWF_Semaphore_Wait(OWF_SEMAPHORE* sem)
+{
+    if (!*sem) {
+        return EINVAL;
+    }
+    return sem_wait(SEM(sem));
+}
+
+OWF_API_CALL OWFint
+OWF_Semaphore_TryWait(OWF_SEMAPHORE* sem)
+{
+    if (!*sem) {
+        return EINVAL;
+    }
+    return sem_trywait(SEM(sem));
+}
+
+OWF_API_CALL void
+OWF_Semaphore_Post(OWF_SEMAPHORE* sem)
+{
+    if (!*sem) {
+        return;
+    }
+    sem_post(SEM(sem));
+}
+
+OWF_API_CALL OWFint
+OWF_Semaphore_GetValue(OWF_SEMAPHORE* sem, OWFint* val)
+{
+    if (!*sem) {
+        return EINVAL;
+    }
+    return sem_getvalue(SEM(sem), (int *)val);
+}
+
+OWF_API_CALL OWFint
+OWF_Semaphore_Destroy(OWF_SEMAPHORE* sem)
+{
+    OWFint             err = EINVAL;
+
+    if (*sem) {
+        err = sem_destroy(SEM(sem));
+        xfree(*sem);
+        *sem = NULL;
+    }
+    return err;
+}