diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/threading.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/threading.cpp b/src/threading.cpp index d47421a80..d8ae321f5 100644 --- a/src/threading.cpp +++ b/src/threading.cpp @@ -367,9 +367,9 @@ gb_internal void semaphore_wait(Semaphore *s) { gb_internal void mutex_lock(BlockingMutex *m) { ANNOTATE_LOCK_PRE(m, 0); - i32 expected = Internal_Mutex_State_Unlocked; - if (m->state().compare_exchange_strong(expected, Internal_Mutex_State_Locked, std::memory_order_acquire)) { - mutex_lock_slow(m, expected); + i32 v = m->state().exchange(Internal_Mutex_State_Locked, std::memory_order_acquire); + if (v != Internal_Mutex_State_Unlocked) { + mutex_lock_slow(m, v); } ANNOTATE_LOCK_POST(m); } |