gdb/testsuite/gdb.mi/mi-condbreak-call-thr-state-mt.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright (C) 2014-2019 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 /* This is the multi-threaded driver for the real test.  */
  19
  20 #include <stdlib.h>
  21 #include <pthread.h>
  22 #include <stdio.h>
  23 #include <unistd.h>
  24
  25 extern int test (void);
  26
  27 #define NTHREADS 5
  28 pthread_barrier_t barrier;
  29
  30 void *
  31 thread_func (void *arg)
  32 {
  33   pthread_barrier_wait (&barrier);
  34
  35   while (1)
  36     sleep (1);
  37 }
  38
  39 void
  40 create_thread (void)
  41 {
  42   pthread_t tid;
  43
  44   if (pthread_create (&tid, NULL, thread_func, NULL))
  45     {
  46       perror ("pthread_create");
  47       exit (1);
  48     }
  49 }
  50
  51 int
  52 main (void)
  53 {
  54   int i;
  55
  56   pthread_barrier_init (&barrier, NULL, NTHREADS + 1);
  57
  58   for (i = 0; i < NTHREADS; i++)
  59     create_thread ();
  60   pthread_barrier_wait (&barrier);
  61
  62   return test ();
  63 }