1 files changed, 4 insertions, 2 deletions
diff --git a/src/Platform/Posix/Semaphore.c b/src/Platform/Posix/Semaphore.c
index 2fb03a1..e4c5f5b 100644
--- a/src/Platform/Posix/Semaphore.c
+++ b/src/Platform/Posix/Semaphore.c
@@ -64,9 +64,11 @@ int BH_SemaphoreWaitFor(BH_Semaphore *semaphore,
     if (convertToTimespec(&ts, timeout))
         return BH_ERROR;
 
-    switch (sem_timedwait(&semaphore->handle, &ts))
+    if (!sem_timedwait(&semaphore->handle, &ts))
+        return BH_OK;
+
+    switch (errno)
     {
-        case 0: return BH_OK;
         case ETIMEDOUT: return BH_TIMEOUT;
         default: return BH_ERROR;
     }