yolobs-studio/deps/w32-pthreads/pthread_equal.c

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2017-04-19 20:03:16 +00:00
/*
* pthread_equal.c
*
* Description:
* This translation unit implements miscellaneous thread functions.
*
* --------------------------------------------------------------------------
*
* Pthreads-win32 - POSIX Threads Library for Win32
* Copyright(C) 1998 John E. Bossom
* Copyright(C) 1999,2005 Pthreads-win32 contributors
*
* Contact Email: rpj@callisto.canberra.edu.au
*
* The current list of contributors is contained
* in the file CONTRIBUTORS included with the source
* code distribution. The list can also be seen at the
* following World Wide Web location:
* http://sources.redhat.com/pthreads-win32/contributors.html
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library in the file COPYING.LIB;
* if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "pthread.h"
#include "implement.h"
int
pthread_equal (pthread_t t1, pthread_t t2)
/*
* ------------------------------------------------------
* DOCPUBLIC
* This function returns nonzero if t1 and t2 are equal, else
* returns zero
*
* PARAMETERS
* t1,
* t2
* thread IDs
*
*
* DESCRIPTION
* This function returns nonzero if t1 and t2 are equal, else
* returns zero.
*
* RESULTS
* non-zero if t1 and t2 refer to the same thread,
* 0 t1 and t2 do not refer to the same thread
*
* ------------------------------------------------------
*/
{
int result;
/*
* We also accept NULL == NULL - treating NULL as a thread
* for this special case, because there is no error that we can return.
*/
result = ( t1.p == t2.p && t1.x == t2.x );
return (result);
} /* pthread_equal */