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

   1 /* A minimal multi-threaded test case.
   2
   3    Copyright 2003, 2007, 2008, 2009 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 3 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, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include <pthread.h>
  21
  22 void foo (void)
  23 {
  24 }
  25
  26 void *thread_func (void *arg)
  27 {
  28   int x;
  29   for (x = 0; x < 10; x++)
  30     foo ();
  31   return 0;
  32 }
  33
  34 int main()
  35 {
  36   pthread_t thr;
  37   void *ret;
  38   int x;
  39
  40   pthread_create (&thr, NULL, thread_func, NULL);
  41   pthread_join (thr, &ret);
  42   for (x = 0; x < 10; x++)
  43     foo ();
  44 }