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-rw-r--r--Documentation/watchdog/src/watchdog-test.c22
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);