/*
 * 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) 1999,2002 Pthreads-win32 contributors
 * 
 *	Contact Email: rpj@ise.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.,
 *	59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#include "pthread.h"
#include "implement.h"


int
pthread_equal (pthread_t t1, pthread_t t2)
     /*
      * ------------------------------------------------------
      * DOCPUBLIC
      *      This function returns zero if t1 and t2 are equal, else
      *      returns nonzero
      *
      * PARAMETERS
      *      t1,
      *      t2
      * 	     references to an instances of thread_t
      *
      *
      * 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 == t2 ) && ( t1 == NULL || ( t1->thread == t2->thread ) ) );

  return (result);

}				/* pthread_equal */