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 BSD 4 36.Sh NAME 37.Nm pthread_equal 38.Nd compare thread IDs 39.Sh SYNOPSIS 40.Fd #include <pthread.h> 41.Ft int 42.Fn pthread_equal "pthread_t t1" "pthread_t t2" 43.Sh DESCRIPTION 44The 45.Fn pthread_equal 46function compares the thread IDs 47.Fa t1 48and 49.Fa t2 . 50.Sh RETURN VALUES 51The 52.Fn pthread_equal 53function will non-zero if the thread IDs 54.Fa t1 55and 56.Fa t2 57correspond to the same thread, otherwise it will return zero. 58.Sh ERRORS 59None. 60.Pp 61.Sh SEE ALSO 62.Xr pthread_create 3 , 63.Xr pthread_exit 3 64.Sh STANDARDS 65.Fn pthread_equal 66conforms to ISO/IEC 9945-1 ANSI/IEEE 67.Pq Dq Tn POSIX 68Std 1003.1 Second Edition 1996-07-12. 69