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Merge pull request #87393 from stuartcarnie/bugfix 

Use `os_unfair_lock` on Apple platforms
This commit is contained in:
Rémi Verschelde 2024-01-29 13:17:00 +01:00
parent 061c776228 e28b31ec96
commit c1dbaa73a6
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1 changed files with 21 additions and 0 deletions
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21
core/os/spin_lock.h
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@ -33,6 +33,25 @@
#include "core/typedefs.h" #include "core/typedefs.h"
#if defined(__APPLE__)
#include <os/lock.h>
class SpinLock {
mutable os_unfair_lock _lock = OS_UNFAIR_LOCK_INIT;
public:
_ALWAYS_INLINE_ void lock() const {
os_unfair_lock_lock(&_lock);
}
_ALWAYS_INLINE_ void unlock() const {
os_unfair_lock_unlock(&_lock);
}
};
#else
#include <atomic> #include <atomic>
class SpinLock { class SpinLock {
@ -49,4 +68,6 @@ public:
} }
}; };
#endif // __APPLE__
#endif // SPIN_LOCK_H #endif // SPIN_LOCK_H