pthread_rwlock_trywrlock  101 source4/heimdal/lib/krb5/heim_threads.h #define	HEIMDAL_RWLOCK_trywrlock(l) pthread_rwlock_trywrlock(l)	
pthread_rwlock_trywrlock  350 source4/smbd/process_thread.c 	if ((rc = pthread_rwlock_trywrlock(rwlock))) {