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#include "pthread_impl.h"
int __pthread_rwlock_trywrlock(pthread_rwlock_t *rw)
{
if (a_cas(&rw->_rw_lock, 0, 0x7fffffff)) return EBUSY;
return 0;
}
weak_alias(__pthread_rwlock_trywrlock, pthread_rwlock_trywrlock);
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