1.\" $OpenBSD: pthread_rwlock_destroy.3,v 1.5 1999/11/24 05:35:32 d Exp $ 2.\" Copyright (c) 1998 Alex Nash 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD: pthread_rwlock_destroy.3,v 1.3 1999/08/28 00:03:09 peter Exp $ 27.\" 28.Dd August 4, 1998 29.Dt PTHREAD_RWLOCK_DESTROY 3 30.Os 31.Sh NAME 32.Nm pthread_rwlock_destroy 33.Nd destroy a read/write lock 34.Sh SYNOPSIS 35.Fd #include <pthread.h> 36.Ft int 37.Fn pthread_rwlock_destroy "pthread_rwlock_t *lock" 38.Sh DESCRIPTION 39The 40.Fn pthread_rwlock_destroy 41function is used to destroy a read/write lock previously created with 42.Fn pthread_rwlock_init . 43.Sh RETURN VALUES 44If successful, the 45.Fn pthread_rwlock_destroy 46function will return zero. Otherwise an error number will be returned 47to indicate the error. 48.Sh SEE ALSO 49.Xr pthread_rwlock_init 3 50.Sh STANDARDS 51The 52.Fn pthread_rwlock_destroy 53function is expected to conform to 54.St -susv2 . 55.Sh ERRORS 56The 57.Fn pthread_rwlock_destroy 58function will fail if: 59.Bl -tag -width Er 60.It Bq Er EPERM 61The caller does not have the privilege to perform the operation. 62.El 63.Pp 64The 65.Fn pthread_rwlock_destroy 66function may fail if: 67.Bl -tag -width Er 68.It Bq Er EBUSY 69The system has detected an attempt to destroy the object referenced by 70.Fa lock 71while it is locked. 72.It Bq Er EINVAL 73The value specified by 74.Fa lock 75is invalid. 76.El 77.Sh HISTORY 78The 79.Fn pthread_rwlock_destroy 80function first appeared in 81.Fx 3.0 82and 83.Ox 2.5 . 84