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.Dd April 4, 1996 32.Dt PTHREAD_EQUAL 3 33.Os BSD 4 34.Sh NAME 35.Nm pthread_equal 36.Nd compare thread IDs 37.Sh SYNOPSIS 38.Fd #include <pthread.h> 39.Ft int 40.Fn pthread_equal "pthread_t t1" "pthread_t t2" 41.Sh DESCRIPTION 42The 43.Fn pthread_equal 44function compares the thread IDs 45.Fa t1 46and 47.Fa t2 . 48.Sh RETURN VALUES 49The 50.Fn pthread_equal 51function will non-zero if the thread IDs 52.Fa t1 53and 54.Fa t2 55correspond to the same thread, otherwise it will return zero. 56.Sh ERRORS 57None. 58.Pp 59.Sh SEE ALSO 60.Xr pthread_create 3 , 61.Xr pthread_exit 3 62.Sh STANDARDS 63.Fn pthread_equal 64is expected to conform to IEEE 65.Pq Dq Tn POSIX 66Std 1003.1c when it is published. 67