gdb/testsuite/gdb.server/extended-remote-restart.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2018-2020 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 <unistd.h>
  19 #include <stdlib.h>
  20
  21 static void
  22 breakpt ()
  23 {
  24   asm ("" ::: "memory");
  25 }
  26
  27 static void
  28 go_child ()
  29 {
  30   breakpt ();
  31
  32   while (1)
  33     sleep (1);
  34 }
  35
  36 static void
  37 go_parent ()
  38 {
  39   breakpt ();
  40
  41   while (1)
  42     sleep (1);
  43 }
  44
  45 int
  46 main ()
  47 {
  48   pid_t pid;
  49
  50   pid = fork ();
  51   if (pid == -1)
  52     abort ();
  53
  54   if (pid == 0)
  55     go_child ();
  56   else
  57     go_parent ();
  58
  59   exit (EXIT_SUCCESS);
  60 }