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PTHREAD_RWLOCK_UNLO... FreeBSD Library Functions Manual	PTHREAD_RWLOCK_UNLO...

NAME
     pthread_rwlock_unlock -- release a	read/write lock

LIBRARY
     Reentrant C Library (libc_r, -lc_r)
     POSIX Threads Library (libpthread,	-lpthread)
     1:1 Threading Library (libthr, -lthr)

SYNOPSIS
     #include <pthread.h>

     int
     pthread_rwlock_unlock(pthread_rwlock_t *lock);

DESCRIPTION
     The pthread_rwlock_unlock() function is used to release the read/write
     lock previously obtained by pthread_rwlock_rdlock(),
     pthread_rwlock_wrlock(), pthread_rwlock_tryrdlock(), or
     pthread_rwlock_trywrlock().

RETURN VALUES
     If	successful, the	pthread_rwlock_unlock()	function will return zero.
     Otherwise an error	number will be returned	to indicate the	error.

     The results are undefined if lock is not held by the calling thread.

SEE ALSO
     pthread_rwlock_rdlock(3), pthread_rwlock_wrlock(3)

STANDARDS
     The pthread_rwlock_unlock() function is expected to conform to Version 2
     of	the Single UNIX	Specification (``SUSv2'').

ERRORS
     The pthread_rwlock_unlock() function may fail if:

     [EINVAL]		The value specified by lock is invalid.

     [EPERM]		The current thread does	not own	the read/write lock.

HISTORY
     The pthread_rwlock_unlock() function first	appeared in FreeBSD 3.0.

FreeBSD	9.2			August 4, 1998			   FreeBSD 9.2

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS | ERRORS | HISTORY

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