1.\" $OpenBSD: pthread_rwlockattr_destroy.3,v 1.6 2000/04/12 21:48:02 aaron 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_rwlockattr_destroy.3,v 1.3 1999/08/28 00:03:10 peter Exp $ 27.\" 28.Dd August 4, 1998 29.Dt PTHREAD_RWLOCKATTR_DESTROY 3 30.Os 31.Sh NAME 32.Nm pthread_rwlockattr_destroy 33.Nd destroy a read/write lock 34.Sh SYNOPSIS 35.Fd #include <pthread.h> 36.Ft int 37.Fn pthread_rwlockattr_destroy "pthread_rwlockattr_t *attr" 38.Sh DESCRIPTION 39The 40.Fn pthread_rwlockattr_destroy 41function is used to destroy a read/write lock attribute object 42previously created with 43.Fn pthread_rwlockattr_init . 44.Sh RETURN VALUES 45If successful, the 46.Fn pthread_rwlockattr_destroy 47function will return zero. Otherwise an error number will be returned 48to indicate the error. 49.Sh SEE ALSO 50.Xr pthread_rwlockattr_init 3 51.Sh STANDARDS 52The 53.Fn pthread_rwlockattr_destroy 54function is expected to conform to 55.St -susv2 . 56.Sh ERRORS 57.Fn pthread_rwlockattr_destroy 58may fail if: 59.Bl -tag -width Er 60.It Bq Er EINVAL 61The value specified by 62.Fa attr 63is invalid. 64.El 65.Sh HISTORY 66The 67.Fn pthread_rwlockattr_destroy 68function first appeared in 69.Fx 3.0 70and 71.Ox 2.5 . 72