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-rw-r--r--Documentation/watchdog/src/watchdog-test.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/Documentation/watchdog/src/watchdog-test.c b/Documentation/watchdog/src/watchdog-test.c
index 63fdc34..73ff5cc 100644
--- a/Documentation/watchdog/src/watchdog-test.c
+++ b/Documentation/watchdog/src/watchdog-test.c
@@ -7,6 +7,7 @@
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
+#include <signal.h>
#include <sys/ioctl.h>
#include <linux/types.h>
#include <linux/watchdog.h>
@@ -29,6 +30,14 @@ static void keep_alive(void)
* The main program. Run the program with "-d" to disable the card,
* or "-e" to enable the card.
*/
+
+void term(int sig)
+{
+ close(fd);
+ fprintf(stderr, "Stopping watchdog ticks...\n");
+ exit(0);
+}
+
int main(int argc, char *argv[])
{
int flags;
@@ -47,26 +56,31 @@ int main(int argc, char *argv[])
ioctl(fd, WDIOC_SETOPTIONS, &flags);
fprintf(stderr, "Watchdog card disabled.\n");
fflush(stderr);
- exit(0);
+ goto end;
} else if (!strncasecmp(argv[1], "-e", 2)) {
flags = WDIOS_ENABLECARD;
ioctl(fd, WDIOC_SETOPTIONS, &flags);
fprintf(stderr, "Watchdog card enabled.\n");
fflush(stderr);
- exit(0);
+ goto end;
} else {
fprintf(stderr, "-d to disable, -e to enable.\n");
fprintf(stderr, "run by itself to tick the card.\n");
fflush(stderr);
- exit(0);
+ goto end;
}
} else {
fprintf(stderr, "Watchdog Ticking Away!\n");
fflush(stderr);
}
+ signal(SIGINT, term);
+
while(1) {
keep_alive();
sleep(1);
}
+end:
+ close(fd);
+ return 0;
}