2001-08-13 16:33:00 +00:00
|
|
|
.\" Copyright (C) 2000 Jason Evans <jasone@FreeBSD.org>.
|
2000-05-02 06:51:40 +00:00
|
|
|
.\" All rights reserved.
|
2001-07-15 07:53:42 +00:00
|
|
|
.\"
|
2000-05-02 06:51:40 +00:00
|
|
|
.\" 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(s), this list of conditions and the following disclaimer as
|
|
|
|
.\" the first lines of this file unmodified other than the possible
|
|
|
|
.\" addition of one or more copyright notices.
|
|
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
|
|
.\" notice(s), this list of conditions and the following disclaimer in
|
|
|
|
.\" the documentation and/or other materials provided with the
|
|
|
|
.\" distribution.
|
2001-07-15 07:53:42 +00:00
|
|
|
.\"
|
2000-05-02 06:51:40 +00:00
|
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``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 COPYRIGHT HOLDER(S) 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.
|
2001-07-15 07:53:42 +00:00
|
|
|
.\"
|
2000-05-02 06:51:40 +00:00
|
|
|
.\" $FreeBSD$
|
|
|
|
.Dd April 28, 2000
|
|
|
|
.Dt PTHREAD_CONDATTR 3
|
|
|
|
.Os
|
|
|
|
.Sh NAME
|
2000-05-04 08:05:45 +00:00
|
|
|
.Nm pthread_condattr_init ,
|
|
|
|
.Nm pthread_condattr_destroy
|
2000-05-02 06:51:40 +00:00
|
|
|
.Nd condition attribute operations
|
|
|
|
.Sh LIBRARY
|
2004-01-14 21:44:26 +00:00
|
|
|
.Lb libpthread
|
2004-01-15 15:59:00 +00:00
|
|
|
.Lb libthr
|
2000-05-02 06:51:40 +00:00
|
|
|
.Sh SYNOPSIS
|
2001-10-01 16:09:29 +00:00
|
|
|
.In pthread.h
|
2000-05-02 06:51:40 +00:00
|
|
|
.Ft int
|
|
|
|
.Fn pthread_condattr_init "pthread_condattr_t *attr"
|
|
|
|
.Ft int
|
|
|
|
.Fn pthread_condattr_destroy "pthread_condattr_t *attr"
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
Condition attribute objects are used to specify parameters to
|
|
|
|
.Fn pthread_cond_init .
|
2000-11-14 11:20:58 +00:00
|
|
|
.Fx Ns 's
|
|
|
|
implementation of conditions does not support any non-default
|
2003-09-14 13:41:59 +00:00
|
|
|
attributes, so these functions are not very useful, though they are required
|
2000-05-04 08:05:45 +00:00
|
|
|
to be present by
|
|
|
|
.Tn POSIX .
|
|
|
|
.Pp
|
2000-05-02 06:51:40 +00:00
|
|
|
The
|
|
|
|
.Fn pthread_condattr_init
|
|
|
|
function initializes a condition attribute object with the default attributes.
|
2000-05-04 08:05:45 +00:00
|
|
|
.Pp
|
2000-05-02 06:51:40 +00:00
|
|
|
The
|
|
|
|
.Fn pthread_condattr_destroy
|
|
|
|
function destroys a condition attribute object.
|
|
|
|
.Sh RETURN VALUES
|
|
|
|
If successful, these functions return 0.
|
|
|
|
Otherwise, an error number is returned to indicate the error.
|
|
|
|
.Sh ERRORS
|
2003-03-24 16:05:24 +00:00
|
|
|
The
|
2000-05-02 06:51:40 +00:00
|
|
|
.Fn pthread_condattr_init
|
2003-03-24 16:05:24 +00:00
|
|
|
function will fail if:
|
2000-05-02 06:51:40 +00:00
|
|
|
.Bl -tag -width Er
|
|
|
|
.It Bq Er ENOMEM
|
|
|
|
Out of memory.
|
|
|
|
.El
|
2000-05-04 08:05:45 +00:00
|
|
|
.Pp
|
2003-03-24 16:05:24 +00:00
|
|
|
The
|
2000-05-02 06:51:40 +00:00
|
|
|
.Fn pthread_condattr_destroy
|
2003-03-24 16:05:24 +00:00
|
|
|
function will fail if:
|
2000-05-02 06:51:40 +00:00
|
|
|
.Bl -tag -width Er
|
|
|
|
.It Bq Er EINVAL
|
|
|
|
Invalid value for
|
|
|
|
.Fa attr .
|
2000-12-29 14:08:20 +00:00
|
|
|
.El
|
2000-05-02 06:51:40 +00:00
|
|
|
.Sh SEE ALSO
|
|
|
|
.Xr pthread_cond_init 3
|
|
|
|
.Sh STANDARDS
|
2003-03-24 16:05:24 +00:00
|
|
|
The
|
2000-05-02 06:51:40 +00:00
|
|
|
.Fn pthread_condattr_init
|
|
|
|
and
|
|
|
|
.Fn pthread_condattr_destroy
|
2003-03-24 16:05:24 +00:00
|
|
|
functions conform to
|
2001-02-26 14:48:38 +00:00
|
|
|
.St -p1003.1-96
|