1.\" Copyright (c) 1998 Alex Nash 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd August 4, 1998 28.Dt PTHREAD_RWLOCK_DESTROY 3 29.Os 30.Sh NAME 31.Nm pthread_rwlock_destroy 32.Nd destroy a read/write lock 33.Sh SYNOPSIS 34.Fd #include <pthread.h> 35.Ft int 36.Fn pthread_rwlock_destroy "pthread_rwlock_t *lock" 37.Sh DESCRIPTION 38The 39.Fn pthread_rwlock_destroy 40function is used to destroy a read/write lock previously created with 41.Fn pthread_rwlock_init . 42.Sh RETURN VALUES 43If successful, the 44.Fn pthread_rwlock_destroy 45function will return zero. Otherwise an error number will be returned 46to indicate the error. 47.Sh SEE ALSO 48.Xr pthread_rwlock_init 3 49.Sh STANDARDS 50The 51.Fn pthread_rwlock_destroy 52function is expected to conform to 53.St -susv2 . 54.Sh ERRORS 55The 56.Fn pthread_rwlock_destroy 57function will fail if: 58.Bl -tag -width Er 59.It Bq Er EPERM 60The caller does not have the privilege to perform the operation. 61.El 62.Pp 63The 64.Fn pthread_rwlock_destroy 65function may fail if: 66.Bl -tag -width Er 67.It Bq Er EBUSY 68The system has detected an attempt to destroy the object referenced by 69.Fa lock 70while it is locked. 71.It Bq Er EINVAL 72The value specified by 73.Fa lock 74is invalid. 75.El 76.Sh HISTORY 77The 78.Fn pthread_rwlock_destroy 79function first appeared in 80.Fx 3.0 . 81