gdb/testsuite/gdb.threads/gcore-stale-thread.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014-2022 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 <assert.h>
  20
  21 static pthread_t main_thread;
  22
  23 static void *
  24 start (void *arg)
  25 {
  26   int i;
  27
  28   i = pthread_join (main_thread, NULL);
  29   assert (i == 0);
  30
  31   return arg; /* break-here */
  32 }
  33
  34 int
  35 main (void)
  36 {
  37   pthread_t thread;
  38   int i;
  39
  40   main_thread = pthread_self ();
  41
  42   i = pthread_create (&thread, NULL, start, NULL);
  43   assert (i == 0);
  44
  45   pthread_exit (NULL);
  46   assert (0);
  47   return 0;
  48 }