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ded2b653c4751db88f288af6b84f92a7341263b3
[musl]
/
src
/
thread
/
pthread_spin_lock.c
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#include "pthread_impl.h"
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#include <errno.h>
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int pthread_spin_lock(pthread_spinlock_t *s)
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{
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while (*(volatile int *)s || a_cas(s, 0, EBUSY)) a_spin();
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return 0;
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}