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diff --git a/mardrone/ARDrone_SDK_Version_1_8_20110726/Examples/Multiplatform/Protocol/VP_Os/win32/vp_os_signal.c b/mardrone/ARDrone_SDK_Version_1_8_20110726/Examples/Multiplatform/Protocol/VP_Os/win32/vp_os_signal.c
new file mode 100644
index 0000000..3a67b9c
--- /dev/null
+++ b/mardrone/ARDrone_SDK_Version_1_8_20110726/Examples/Multiplatform/Protocol/VP_Os/win32/vp_os_signal.c
@@ -0,0 +1,76 @@
+/**
+ * @file signal.c
+ * @author aurelien.morelle@parrot.fr
+ * @date 2006/12/15
+ */
+
+#include "VP_Os/vp_os_signal.h"
+
+
+void
+vp_os_mutex_init(vp_os_mutex_t *mutex)
+{
+  InitializeCriticalSection((CRITICAL_SECTION *)mutex);
+}
+
+
+void
+vp_os_mutex_destroy(vp_os_mutex_t *mutex)
+{
+  DeleteCriticalSection((CRITICAL_SECTION *)mutex);
+}
+
+
+void
+vp_os_mutex_lock(vp_os_mutex_t *mutex)
+{
+  EnterCriticalSection((CRITICAL_SECTION *)mutex);
+}
+
+
+void
+vp_os_mutex_unlock(vp_os_mutex_t *mutex)
+{
+  LeaveCriticalSection((CRITICAL_SECTION *)mutex);
+}
+
+
+void
+vp_os_cond_init(vp_os_cond_t *cond, vp_os_mutex_t *mutex)
+{
+/* // InitializeConditionVariable only work under VISTA
+  InitializeConditionVariable(&cond->cond);
+  cond->mutex = mutex;
+*/
+}
+
+
+void
+vp_os_cond_destroy(vp_os_cond_t *cond)
+{
+}
+
+
+void
+vp_os_cond_wait(vp_os_cond_t *cond)
+{
+  WaitForSingleObject(cond->LockSemaphore,INFINITE); // TODO: to test
+/* // SleepConditionVariableCS only work under VISTA
+  SleepConditionVariableCS(&cond->cond, (CRITICAL_SECTION *)cond->mutex, INFINITE);
+*/
+}
+
+C_RESULT
+vp_os_cond_timed_wait(vp_os_cond_t *cond, uint32_t ms)
+{
+  return WaitForSingleObject(cond->LockSemaphore, ms) == WAIT_TIMEOUT ? FAIL : SUCCESS; // TODO: to test
+}
+
+void
+vp_os_cond_signal(vp_os_cond_t *cond)
+{
+/* // WakeConditionVariable only work under VISTA
+  WakeConditionVariable(&cond->cond);
+*/
+}
+