17 lines
288 B
C
17 lines
288 B
C
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#ifndef _SPINLOCK_H_
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#define _SPINLOCK_H_
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#ifndef spin_lock
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static void spin_lock(int volatile * lock) {
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while(__sync_lock_test_and_set(lock, 0x01)) {
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syscall_yield();
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}
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}
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static void spin_unlock(int volatile * lock) {
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__sync_lock_release(lock);
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}
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#endif
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#endif /* _SPINLOCK_H */
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