diff options
author | Tejun Heo <tj@kernel.org> | 2015-11-03 17:29:03 -0500 |
---|---|---|
committer | Tejun Heo <tj@kernel.org> | 2015-11-03 17:29:03 -0500 |
commit | 159b5bb46492e4dcef2070b12861030bc360402b (patch) | |
tree | 93de7d6e94a059aade50ee5437de6a50ccd1cf7b /Documentation/watchdog/src | |
parent | 56e74338a535cbcc2f2da08b1ea1a92920194364 (diff) | |
parent | 469eabb3aec03d9defed3462df743a223a5c8f54 (diff) |
Merge branch 'for-4.3-fixes' into for-4.4
Diffstat (limited to 'Documentation/watchdog/src')
-rw-r--r-- | Documentation/watchdog/src/watchdog-test.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/Documentation/watchdog/src/watchdog-test.c b/Documentation/watchdog/src/watchdog-test.c index 3da822967ee0..fcdde8fc98be 100644 --- a/Documentation/watchdog/src/watchdog-test.c +++ b/Documentation/watchdog/src/watchdog-test.c @@ -41,6 +41,7 @@ static void term(int sig) int main(int argc, char *argv[]) { int flags; + unsigned int ping_rate = 1; fd = open("/dev/watchdog", O_WRONLY); @@ -63,22 +64,33 @@ int main(int argc, char *argv[]) fprintf(stderr, "Watchdog card enabled.\n"); fflush(stderr); goto end; + } else if (!strncasecmp(argv[1], "-t", 2) && argv[2]) { + flags = atoi(argv[2]); + ioctl(fd, WDIOC_SETTIMEOUT, &flags); + fprintf(stderr, "Watchdog timeout set to %u seconds.\n", flags); + fflush(stderr); + goto end; + } else if (!strncasecmp(argv[1], "-p", 2) && argv[2]) { + ping_rate = strtoul(argv[2], NULL, 0); + fprintf(stderr, "Watchdog ping rate set to %u seconds.\n", ping_rate); + fflush(stderr); } else { - fprintf(stderr, "-d to disable, -e to enable.\n"); + fprintf(stderr, "-d to disable, -e to enable, -t <n> to set " \ + "the timeout,\n-p <n> to set the ping rate, and \n"); fprintf(stderr, "run by itself to tick the card.\n"); fflush(stderr); goto end; } - } else { - fprintf(stderr, "Watchdog Ticking Away!\n"); - fflush(stderr); } + fprintf(stderr, "Watchdog Ticking Away!\n"); + fflush(stderr); + signal(SIGINT, term); while(1) { keep_alive(); - sleep(1); + sleep(ping_rate); } end: close(fd); |