Use `compare_exchange_strong` `mutex_lock` on non-windows sytems

1 files changed, 4 insertions, 4 deletions

diff --git a/src/threading.cpp b/src/threading.cpp
index 02e6de14b..3b2f304e1 100644
--- a/src/threading.cpp
+++ b/src/threading.cpp
@@ -367,16 +367,16 @@ gb_internal void semaphore_wait(Semaphore *s) {
 
 	gb_internal void mutex_lock(BlockingMutex *m) {
 		ANNOTATE_LOCK_PRE(m, 0);
-		i32 v = m->state().exchange(Internal_Mutex_State_Locked, std::memory_order_acquire);
-		if (v != Internal_Mutex_State_Unlocked) {
+		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, v);
 		}
 		ANNOTATE_LOCK_POST(m);
 	}
 	gb_internal bool mutex_try_lock(BlockingMutex *m) {
 		ANNOTATE_LOCK_PRE(m, 1);
-		i32 v = m->state().exchange(Internal_Mutex_State_Locked, std::memory_order_acquire);
-		if (v == Internal_Mutex_State_Unlocked) {
+		i32 expected = Internal_Mutex_State_Unlocked;
+		if (m->state().compare_exchange_strong(expected, Internal_Mutex_State_Locked, std::memory_order_acquire)) {
 			ANNOTATE_LOCK_POST(m);
 			return true;
 		}