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#include "pthread_impl.h" int pthread_rwlock_unlock(pthread_rwlock_t *rw) { struct pthread *self = pthread_self(); if (rw->_rw_owner == self->tid) { rw->_rw_owner = 0; a_store(&rw->_rw_wrlock, 0); if (rw->_rw_waiters) __wake(&rw->_rw_wrlock, -1, 0); return 0; } a_dec(&rw->_rw_readers); if (rw->_rw_waiters && !rw->_rw_readers) __wake(&rw->_rw_readers, 1, 0); return 0; }