Fixed bug 1426 - SDL_SemWaitTimeout returns -1 and sets error instead of SDL_MUTEX_TIMEDOUT on time out

deraj 2012-02-19 19:01:08 PST

Fix to treat ETIMEDOUT as a time out instead of an error (and update the test)

src/thread/pthread/SDL_syssem.c

@@ -150,7 +150,11 @@ SDL_SemWaitTimeout(SDL_sem * sem, Uint32 timeout)
     } while (retval < 0 && errno == EINTR);
 
     if (retval < 0) {
-        SDL_SetError("sem_timedwait() failed");
+        if (errno == ETIMEDOUT) {
+            retval = SDL_MUTEX_TIMEDOUT;
+        } else {
+            SDL_SetError(strerror(errno));
+        }
     }
 #else
     end = SDL_GetTicks() + timeout;