lib/libthread_xu/thread/thr_main_np.c

   1 /*
   2  * Copyright (c) 2001 Alfred Perlstein
   3  * Author: Alfred Perlstein <alfred@FreeBSD.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD: src/lib/libpthread/thread/thr_main_np.c,v 1.5 2003/04/18 05:04:16 deischen Exp $
  28  * $DragonFly: src/lib/libthread_xu/thread/thr_main_np.c,v 1.4 2008/09/30 16:57:06 swildner Exp $
  29  */
  30
  31 #include "namespace.h"
  32 #include <pthread.h>
  33 #include <pthread_np.h>
  34 #include "un-namespace.h"
  35
  36 #include "thr_private.h"
  37
  38 /*
  39  * Provide the equivelant to Solaris thr_main() function
  40  */
  41 int
  42 _pthread_main_np(void)
  43 {
  44
  45         if (!_thr_initial)
  46                 return (-1);
  47         else
  48                 return (_pthread_equal(_pthread_self(), _thr_initial) ? 1 : 0);
  49 }
  50
  51 __strong_reference(_pthread_main_np, pthread_main_np);