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.Dd August 4, 1998 26.Dt PTHREAD_RWLOCK_DESTROY 3 27.Os 28.Sh NAME 29.Nm pthread_rwlock_destroy 30.Nd destroy a read/write lock 31.Sh LIBRARY 32.Lb libpthread 33.Sh SYNOPSIS 34.In 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. 46Otherwise an error number will be returned 47to indicate the error. 48.Sh ERRORS 49The 50.Fn pthread_rwlock_destroy 51function will fail if: 52.Bl -tag -width Er 53.It Bq Er EPERM 54The caller does not have the privilege to perform the operation. 55.El 56.Pp 57The 58.Fn pthread_rwlock_destroy 59function may fail if: 60.Bl -tag -width Er 61.It Bq Er EBUSY 62The system has detected an attempt to destroy the object referenced by 63.Fa lock 64while it is locked. 65.It Bq Er EINVAL 66The value specified by 67.Fa lock 68is invalid. 69.El 70.Sh SEE ALSO 71.Xr pthread_rwlock_init 3 72.Sh STANDARDS 73The 74.Fn pthread_rwlock_destroy 75function is expected to conform to 76.St -susv2 . 77.Sh HISTORY 78The 79.Fn pthread_rwlock_destroy 80function first appeared in 81.Fx 3.0 . 82