src/test/test-watchdog.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2012 Lennart Poettering
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include <unistd.h>
  21
  22 #include "env-util.h"
  23 #include "log.h"
  24 #include "watchdog.h"
  25
  26 int main(int argc, char *argv[]) {
  27         usec_t t;
  28         unsigned i, count;
  29         int r;
  30         bool slow;
  31
  32         log_set_max_level(LOG_DEBUG);
  33         log_parse_environment();
  34
  35         r = getenv_bool("SYSTEMD_SLOW_TESTS");
  36         slow = r >= 0 ? r : SYSTEMD_SLOW_TESTS_DEFAULT;
  37
  38         t = slow ? 10 * USEC_PER_SEC : 1 * USEC_PER_SEC;
  39         count = slow ? 5 : 3;
  40
  41         r = watchdog_set_timeout(&t);
  42         if (r < 0)
  43                 log_warning_errno(r, "Failed to open watchdog: %m");
  44         if (r == -EPERM)
  45                 t = 0;
  46
  47         for (i = 0; i < count; i++) {
  48                 log_info("Pinging...");
  49                 r = watchdog_ping();
  50                 if (r < 0)
  51                         log_warning_errno(r, "Failed to ping watchdog: %m");
  52
  53                 usleep(t/2);
  54         }
  55
  56         watchdog_close(true);
  57         return 0;
  58 }