gdb/testsuite/gdb.threads/switch-threads.c

   1 /* A minimal multi-threaded test case.
   2
   3    Copyright 2003, 2007 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include <pthread.h>
  23
  24 void foo (void)
  25 {
  26 }
  27
  28 void *thread_func (void *arg)
  29 {
  30   int x;
  31   for (x = 0; x < 10; x++)
  32     foo ();
  33   return 0;
  34 }
  35
  36 int main()
  37 {
  38   pthread_t thr;
  39   void *ret;
  40   int x;
  41
  42   pthread_create (&thr, NULL, thread_func, NULL);
  43   pthread_join (thr, &ret);
  44   for (x = 0; x < 10; x++)
  45     foo ();
  46 }