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 LIBRARY 34.Lb libc_r 35.Sh SYNOPSIS 36.Fd #include <pthread.h> 37.Ft int 38.Fn pthread_rwlock_destroy "pthread_rwlock_t *lock" 39.Sh DESCRIPTION 40The 41.Fn pthread_rwlock_destroy 42function is used to destroy a read/write lock previously created with 43.Fn pthread_rwlock_init . 44.Sh RETURN VALUES 45If successful, the 46.Fn pthread_rwlock_destroy 47function will return zero. Otherwise an error number will be returned 48to indicate the error. 49.Sh SEE ALSO 50.Xr pthread_rwlock_init 3 51.Sh STANDARDS 52The 53.Fn pthread_rwlock_destroy 54function is expected to conform to 55.St -susv2 . 56.Sh ERRORS 57The 58.Fn pthread_rwlock_destroy 59function will fail if: 60.Bl -tag -width Er 61.It Bq Er EPERM 62The caller does not have the privilege to perform the operation. 63.El 64.Pp 65The 66.Fn pthread_rwlock_destroy 67function may fail if: 68.Bl -tag -width Er 69.It Bq Er EBUSY 70The system has detected an attempt to destroy the object referenced by 71.Fa lock 72while it is locked. 73.It Bq Er EINVAL 74The value specified by 75.Fa lock 76is invalid. 77.El 78.Sh HISTORY 79The 80.Fn pthread_rwlock_destroy 81function first appeared in 82.Fx 3.0 . 83