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remove standalone syscall cruft
[oweals/musl.git]
/
src
/
thread
/
pthread_rwlock_wrlock.c
1
#include "pthread_impl.h"
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int pthread_rwlock_wrlock(pthread_rwlock_t *rw)
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{
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int nr;
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while (pthread_rwlock_trywrlock(rw)==EAGAIN) {
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if ((nr=rw->__readers))
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__wait(&rw->__readers, &rw->__waiters, nr, 0);
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else
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__wait(&rw->__wrlock, &rw->__waiters, 1, 0);
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}
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return 0;
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}