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Explicitly call store for futex

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This commit is contained in:
gingerBill
2023-01-02 17:18:59 +00:00
parent ad52003077
commit 9737b65d9c
1 changed files with 4 additions and 2 deletions
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src/threading.cpp
+4 -2
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@@ -117,7 +117,8 @@ struct RecursiveMutex {
}; };
gb_internal void mutex_lock(RecursiveMutex *m) { gb_internal void mutex_lock(RecursiveMutex *m) {
Futex tid = cast(i32)thread_current_id(); Futex tid;
tid.store(cast(i32)thread_current_id());
for (;;) { for (;;) {
i32 prev_owner = 0; i32 prev_owner = 0;
m->owner.compare_exchange_strong(prev_owner, tid, std::memory_order_acquire, std::memory_order_acquire); m->owner.compare_exchange_strong(prev_owner, tid, std::memory_order_acquire, std::memory_order_acquire);
@@ -130,7 +131,8 @@ gb_internal void mutex_lock(RecursiveMutex *m) {
} }
} }
gb_internal bool mutex_try_lock(RecursiveMutex *m) { gb_internal bool mutex_try_lock(RecursiveMutex *m) {
Futex tid = cast(i32)thread_current_id(); Futex tid;
tid.store(cast(i32)thread_current_id());
i32 prev_owner = 0; i32 prev_owner = 0;
m->owner.compare_exchange_strong(prev_owner, tid, std::memory_order_acquire, std::memory_order_acquire); m->owner.compare_exchange_strong(prev_owner, tid, std::memory_order_acquire, std::memory_order_acquire);
if (prev_owner == 0 || prev_owner == tid) { if (prev_owner == 0 || prev_owner == tid) {