1 .\" $NetBSD: pthread_rwlockattr.3,v 1.6 2005/06/17 18:26:53 wiz Exp $
3 .\" Copyright (c) 2002 The NetBSD Foundation, Inc.
4 .\" All rights reserved.
5 .\" Redistribution and use in source and binary forms, with or without
6 .\" modification, are permitted provided that the following conditions
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 .\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
14 .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
15 .\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 .\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
17 .\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 .\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 .\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 .\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 .\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
23 .\" POSSIBILITY OF SUCH DAMAGE.
25 .\" Copyright (c) 1998 Alex Nash
26 .\" All rights reserved.
28 .\" Redistribution and use in source and binary forms, with or without
29 .\" modification, are permitted provided that the following conditions
31 .\" 1. Redistributions of source code must retain the above copyright
32 .\" notice, this list of conditions and the following disclaimer.
33 .\" 2. Redistributions in binary form must reproduce the above copyright
34 .\" notice, this list of conditions and the following disclaimer in the
35 .\" documentation and/or other materials provided with the distribution.
37 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
38 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
39 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
40 .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
41 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
42 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
43 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
45 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
46 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49 .\" $FreeBSD: src/lib/libpthread/man/pthread_rwlockattr_init.3,v 1.7 2002/09/16 19:29:29 mini Exp $
52 .Dt PTHREAD_RWLOCKATTR 3
55 .Nm pthread_rwlockattr_init ,
56 .Nm pthread_rwlockattr_destroy
57 .Nd initialize or destroy read/write lock attributes
63 .Fn pthread_rwlockattr_init "pthread_rwlockattr_t *attr"
65 .Fn pthread_rwlockattr_destroy "pthread_rwlockattr_t *attr"
68 .Fn pthread_rwlockattr_init
69 function is used to initialize a read/write lock attributes object.
72 .Fn pthread_rwlockattr_destroy
73 function is used to destroy a read/write lock attribute object
74 previously created with
75 .Fn pthread_rwlockattr_init .
78 .Fn pthread_rwlockattr_init
80 .Fn pthread_rwlockattr_destroy
81 functions return zero.
82 Otherwise an error number will be returned to indicate the error.
84 .Fn pthread_rwlockattr_init
88 Insufficient memory exists to initialize the read/write lock attributes object.
91 .Fn pthread_rwlockattr_init
93 .Fn pthread_rwlockattr_destroy
97 The value specified by
102 .Xr pthread_rwlock_init 3
105 .Fn pthread_rwlockattr_init
107 .Fn pthread_rwlockattr_destroy