Fix deadlock in `Auto_Reset_Event`

1 files changed, 4 insertions, 5 deletions

diff --git a/core/sync/extended.odin b/core/sync/extended.odin
index 924ba92a6..0971516a3 100644
--- a/core/sync/extended.odin
+++ b/core/sync/extended.odin
@@ -228,15 +228,14 @@ thread.
 */
 auto_reset_event_signal :: proc "contextless" (e: ^Auto_Reset_Event) {
 	old_status := atomic_load_explicit(&e.status, .Relaxed)
+	new_status := old_status + 1 if old_status < 1 else 1
 	for {
-		new_status := old_status + 1 if old_status < 1 else 1
 		if _, ok := atomic_compare_exchange_weak_explicit(&e.status, old_status, new_status, .Release, .Relaxed); ok {
 			break
 		}
-
-		if old_status < 0 {
-			sema_post(&e.sema)
-		}
+	}
+	if old_status < 0 {
+		sema_post(&e.sema)
 	}
 }