1998-09-07 19:01:43 +00:00
|
|
|
.\" Copyright (c) 1998 Alex Nash
|
|
|
|
|
.\" All rights reserved.
|
|
|
|
|
.\"
|
|
|
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
|
|
|
.\" modification, are permitted provided that the following conditions
|
|
|
|
|
.\" are met:
|
|
|
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
|
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
|
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
|
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
|
|
|
.\"
|
|
|
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
|
|
|
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
|
|
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
|
|
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
|
|
|
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
|
|
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
|
|
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
|
|
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
|
|
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
|
|
.\" SUCH DAMAGE.
|
|
|
|
|
.\"
|
1999-08-28 00:22:10 +00:00
|
|
|
.\" $FreeBSD$
|
1998-09-07 19:01:43 +00:00
|
|
|
.\"
|
|
|
|
|
.Dd August 4, 1998
|
|
|
|
|
.Dt PTHREAD_RWLOCKATTR_INIT 3
|
|
|
|
|
.Os
|
|
|
|
|
.Sh NAME
|
|
|
|
|
.Nm pthread_rwlockattr_init
|
|
|
|
|
.Nd initialize a read/write lock
|
2000-04-22 15:50:29 +00:00
|
|
|
.Sh LIBRARY
|
|
|
|
|
.Lb libc_r
|
1998-09-07 19:01:43 +00:00
|
|
|
.Sh SYNOPSIS
|
2001-10-01 16:09:29 +00:00
|
|
|
.In pthread.h
|
1998-09-07 19:01:43 +00:00
|
|
|
.Ft int
|
|
|
|
|
.Fn pthread_rwlockattr_init "pthread_rwlockattr_t *attr"
|
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
|
The
|
|
|
|
|
.Fn pthread_rwlockattr_init
|
|
|
|
|
function is used to initialize a read/write lock attributes object.
|
|
|
|
|
.Sh RETURN VALUES
|
|
|
|
|
If successful, the
|
|
|
|
|
.Fn pthread_rwlockattr_init
|
|
|
|
|
function will return zero. Otherwise an error number will be returned
|
|
|
|
|
to indicate the error.
|
|
|
|
|
.Sh SEE ALSO
|
|
|
|
|
.Xr pthread_rwlockattr_destroy 3 ,
|
1999-05-14 21:03:11 +00:00
|
|
|
.Xr pthread_rwlockattr_getpshared 3 ,
|
2001-07-06 16:46:48 +00:00
|
|
|
.Xr pthread_rwlockattr_setpshared 3 ,
|
|
|
|
|
.Xr pthread_rwlock_init 3
|
1998-09-07 19:01:43 +00:00
|
|
|
.Sh STANDARDS
|
|
|
|
|
The
|
|
|
|
|
.Fn pthread_rwlockattr_init
|
|
|
|
|
function is expected to conform to
|
|
|
|
|
.St -susv2 .
|
|
|
|
|
.Sh ERRORS
|
2003-02-06 11:10:32 +00:00
|
|
|
The
|
1998-09-07 19:01:43 +00:00
|
|
|
.Fn pthread_rwlockattr_init
|
2003-02-06 11:10:32 +00:00
|
|
|
function will fail if:
|
1998-09-07 19:01:43 +00:00
|
|
|
.Bl -tag -width Er
|
|
|
|
|
.It Bq Er ENOMEM
|
|
|
|
|
Insufficient memory exists to initialize the attribute object.
|
|
|
|
|
.El
|
|
|
|
|
.Sh HISTORY
|
|
|
|
|
The
|
|
|
|
|
.Fn pthread_rwlockattr_init
|
|
|
|
|
function first appeared in
|
|
|
|
|
.Fx 3.0 .
|
