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Use Acquire semantics for the futex_wait load shortcut

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gingerBill
2022-04-27 15:57:47 +01:00
parent d6cfb60506
commit 10cd294cf2
1 changed files with 2 additions and 2 deletions
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core/sync/primitives.odin
+2 -2
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@@ -195,7 +195,7 @@ sema_wait_with_timeout :: proc(s: ^Sema, duration: time.Duration) -> bool {
Futex :: distinct u32 Futex :: distinct u32
futex_wait :: proc(f: ^Futex, expected: u32) { futex_wait :: proc(f: ^Futex, expected: u32) {
if u32(atomic_load(f)) != expected { if u32(atomic_load_explicit(f, .Acquire)) != expected {
return return
} }
@@ -204,7 +204,7 @@ futex_wait :: proc(f: ^Futex, expected: u32) {
// returns true if the wait happened within the duration, false if it exceeded the time duration // returns true if the wait happened within the duration, false if it exceeded the time duration
futex_wait_with_timeout :: proc(f: ^Futex, expected: u32, duration: time.Duration) -> bool { futex_wait_with_timeout :: proc(f: ^Futex, expected: u32, duration: time.Duration) -> bool {
if u32(atomic_load(f)) != expected { if u32(atomic_load_explicit(f, .Acquire)) != expected {
return true return true
} }
if duration <= 0 { if duration <= 0 {