gdb/testsuite/gdb.threads/next-bp-other-thread.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014-2020 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #include <pthread.h>
  19 #include <unistd.h>
  20 #include <stdlib.h>
  21
  22 /* Always zero, used in breakpoint condition.  */
  23 volatile int global_zero;
  24
  25 void *
  26 child_function (void *arg)
  27 {
  28   while (1)
  29     {
  30       usleep (1); /* set breakpoint child here */
  31     }
  32
  33   pthread_exit (NULL);
  34 }
  35
  36 int
  37 main (void)
  38 {
  39   pthread_t child_thread;
  40   int res;
  41
  42   res = pthread_create (&child_thread, NULL, child_function, NULL);
  43   sleep (2); /* set wait-thread breakpoint here */
  44   exit (EXIT_SUCCESS);
  45 }