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_RWLOCKATTR_DESTROY 3 29.Os 30.Sh NAME 31.Nm pthread_rwlockattr_destroy 32.Nd destroy a read/write lock 33.Sh LIBRARY 34.Lb libc_r 35.Lb libpthread 36.Lb libthr 37.Sh SYNOPSIS 38.In pthread.h 39.Ft int 40.Fn pthread_rwlockattr_destroy "pthread_rwlockattr_t *attr" 41.Sh DESCRIPTION 42The 43.Fn pthread_rwlockattr_destroy 44function is used to destroy a read/write lock attribute object 45previously created with 46.Fn pthread_rwlockattr_init . 47.Sh RETURN VALUES 48If successful, the 49.Fn pthread_rwlockattr_destroy 50function will return zero. 51Otherwise an error number will be returned 52to indicate the error. 53.Sh SEE ALSO 54.Xr pthread_rwlockattr_init 3 55.Sh STANDARDS 56The 57.Fn pthread_rwlockattr_destroy 58function is expected to conform to 59.St -susv2 . 60.Sh ERRORS 61The 62.Fn pthread_rwlockattr_destroy 63function may fail if: 64.Bl -tag -width Er 65.It Bq Er EINVAL 66The value specified by 67.Fa attr 68is invalid. 69.El 70.Sh HISTORY 71The 72.Fn pthread_rwlockattr_destroy 73function first appeared in 74.Fx 3.0 . 75