gdb/testsuite/gdb.base/watchpoint-running.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2023-2024 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 */
  19
  20 #include <unistd.h>
  21 #include <stdint.h>
  22
  23 uint64_t global_var;
  24
  25 /* How long to usleep, in us.  The exp file assumes this is lower than
  26    1s.  */
  27 #define MS_USLEEP 100000
  28
  29 /* How many increments per second MS_USLEEP corresponds to.  */
  30 #define INCREMENTS_PER_SEC (1000000 / MS_USLEEP)
  31
  32 int
  33 main ()
  34 {
  35   while (1)
  36     {
  37       usleep (MS_USLEEP);
  38       global_var++;
  39
  40       /* Time out after 30s.  */
  41       if (global_var >= (30 * INCREMENTS_PER_SEC))
  42         return 1;
  43     }
  44
  45   return 0;
  46 }