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Fix deadlock in Auto_Reset_Event

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Feoramund
2024-09-11 08:39:23 -04:00
parent fec1ccd7a3
commit a1435a6a90
1 changed files with 4 additions and 5 deletions
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core/sync/extended.odin
+4 -5
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@@ -228,15 +228,14 @@ thread.
*/ */
auto_reset_event_signal :: proc "contextless" (e: ^Auto_Reset_Event) { auto_reset_event_signal :: proc "contextless" (e: ^Auto_Reset_Event) {
old_status := atomic_load_explicit(&e.status, .Relaxed) old_status := atomic_load_explicit(&e.status, .Relaxed)
new_status := old_status + 1 if old_status < 1 else 1
for { 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 { if _, ok := atomic_compare_exchange_weak_explicit(&e.status, old_status, new_status, .Release, .Relaxed); ok {
break break
} }
}
if old_status < 0 { if old_status < 0 {
sema_post(&e.sema) sema_post(&e.sema)
}
} }
} }