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Merge pull request #616 from Tetralux/fix-sync-badopt

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Fix potential bad optimization bug in sync.Ticket_Mutex
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gingerBill
2020-05-10 10:37:11 +01:00
committed by GitHub
parent f043e92650 e7e936f480
commit 197a72adde
1 changed files with 1 additions and 1 deletions
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core/sync/sync.odin
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@@ -18,7 +18,7 @@ ticket_mutex_init :: proc(m: ^Ticket_Mutex) {
ticket_mutex_lock :: inline proc(m: ^Ticket_Mutex) { ticket_mutex_lock :: inline proc(m: ^Ticket_Mutex) {
ticket := atomic_add(&m.ticket, 1, .Relaxed); ticket := atomic_add(&m.ticket, 1, .Relaxed);
for ticket != m.serving { for ticket != atomic_load(&m.serving, .Acquire) {
intrinsics.cpu_relax(); intrinsics.cpu_relax();
} }
} }