gnu/dist/gdb6/gdb/testsuite/gdb.threads/switch-threads.c

   1 /* A minimal multi-threaded test case.
   2
   3    Copyright 2003
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 #include <pthread.h>
  24
  25 void foo (void)
  26 {
  27 }
  28
  29 void *thread_func (void *arg)
  30 {
  31   int x;
  32   for (x = 0; x < 10; x++)
  33     foo ();
  34   return 0;
  35 }
  36
  37 int main()
  38 {
  39   pthread_t thr;
  40   void *ret;
  41   int x;
  42
  43   pthread_create (&thr, NULL, thread_func, NULL);
  44   pthread_join (thr, &ret);
  45   for (x = 0; x < 10; x++)
  46     foo ();
  47 }