src/test/test-watchdog.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2012 Lennart Poettering
   6 ***/
   7
   8 #include <string.h>
   9 #include <unistd.h>
  10
  11 #include "env-util.h"
  12 #include "log.h"
  13 #include "watchdog.h"
  14
  15 int main(int argc, char *argv[]) {
  16         usec_t t;
  17         unsigned i, count;
  18         int r;
  19         bool slow;
  20
  21         log_set_max_level(LOG_DEBUG);
  22         log_parse_environment();
  23
  24         r = getenv_bool("SYSTEMD_SLOW_TESTS");
  25         slow = r >= 0 ? r : SYSTEMD_SLOW_TESTS_DEFAULT;
  26
  27         t = slow ? 10 * USEC_PER_SEC : 1 * USEC_PER_SEC;
  28         count = slow ? 5 : 3;
  29
  30         r = watchdog_set_timeout(&t);
  31         if (r < 0)
  32                 log_warning_errno(r, "Failed to open watchdog: %m");
  33         if (r == -EPERM)
  34                 t = 0;
  35
  36         for (i = 0; i < count; i++) {
  37                 log_info("Pinging...");
  38                 r = watchdog_ping();
  39                 if (r < 0)
  40                         log_warning_errno(r, "Failed to ping watchdog: %m");
  41
  42                 usleep(t/2);
  43         }
  44
  45         watchdog_close(true);
  46         return 0;
  47 }