xref: /freebsd/share/man/man3/pthread_equal.3 (revision 38f0b757fd84d17d0fc24739a7cda160c4516d81)
1.\" Copyright (c) 1996 John Birrell <jb@cimlogic.com.au>.
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.\" 3. All advertising materials mentioning features or use of this software
13.\"    must display the following acknowledgement:
14.\"	This product includes software developed by John Birrell.
15.\" 4. Neither the name of the author nor the names of any co-contributors
16.\"    may be used to endorse or promote products derived from this software
17.\"    without specific prior written permission.
18.\"
19.\" THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29.\" SUCH DAMAGE.
30.\"
31.\" $FreeBSD$
32.\"
33.Dd April 4, 1996
34.Dt PTHREAD_EQUAL 3
35.Os
36.Sh NAME
37.Nm pthread_equal
38.Nd compare thread IDs
39.Sh LIBRARY
40.Lb libpthread
41.Sh SYNOPSIS
42.In pthread.h
43.Ft int
44.Fn pthread_equal "pthread_t t1" "pthread_t t2"
45.Sh DESCRIPTION
46The
47.Fn pthread_equal
48function compares the thread IDs
49.Fa t1
50and
51.Fa t2 .
52.Sh RETURN VALUES
53The
54.Fn pthread_equal
55function will return non-zero if the thread IDs
56.Fa t1
57and
58.Fa t2
59correspond to the same thread, otherwise it will return zero.
60.Sh ERRORS
61None.
62.Sh SEE ALSO
63.Xr pthread_create 3 ,
64.Xr pthread_exit 3
65.Sh STANDARDS
66The
67.Fn pthread_equal
68function conforms to
69.St -p1003.1-96 .
70