1 files changed, 15 insertions, 0 deletions
diff --git a/src/base/system.c b/src/base/system.c
index 4ea6d413..2026199b 100644
--- a/src/base/system.c
+++ b/src/base/system.c
@@ -495,6 +495,21 @@ void lock_release(LOCK lock)
 #endif
 }
 
+#if defined(CONF_FAMILY_UNIX)
+void semaphore_init(SEMAPHORE *sem) { sem_init(sem, 0, 0); }
+void semaphore_wait(SEMAPHORE *sem) { sem_wait(sem); }
+void semaphore_signal(SEMAPHORE *sem) { sem_post(sem); }
+void semaphore_destroy(SEMAPHORE *sem) { sem_destroy(sem); }
+#elif defined(CONF_FAMILY_WINDOWS)
+void semaphore_init(SEMAPHORE *sem) { (HANDLE)(*sem) = CreateSemaphore(0, 0, 10000, 0); }
+void semaphore_wait(SEMAPHORE *sem) { WaitForSingleObject((HANDLE)*sem, 0L); }
+void semaphore_signal(SEMAPHORE *sem) { ReleaseSemaphore((HANDLE)*sem, 1, NULL); }
+void semaphore_destroy(SEMAPHORE *sem) { CloseHandle((HANDLE)*sem); }
+#else
+	#error not implemented on this platform
+#endif
+
+
 /* -----  time ----- */
 int64 time_get()
 {