diff options
| -rw-r--r-- | Documentation/watchdog/src/watchdog-test.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/Documentation/watchdog/src/watchdog-test.c b/Documentation/watchdog/src/watchdog-test.c index fcdde8f..b3cc7aa 100644 --- a/Documentation/watchdog/src/watchdog-test.c +++ b/Documentation/watchdog/src/watchdog-test.c @@ -23,6 +23,7 @@ static void keep_alive(void) { int dummy; + printf("."); ioctl(fd, WDIOC_KEEPALIVE, &dummy); } @@ -34,7 +35,7 @@ static void keep_alive(void) static void term(int sig) { close(fd); - fprintf(stderr, "Stopping watchdog ticks...\n"); + printf("\nStopping watchdog ticks...\n"); exit(0); } @@ -43,11 +44,12 @@ int main(int argc, char *argv[]) int flags; unsigned int ping_rate = 1; + setbuf(stdout, NULL); + fd = open("/dev/watchdog", O_WRONLY); if (fd == -1) { - fprintf(stderr, "Watchdog device not enabled.\n"); - fflush(stderr); + printf("Watchdog device not enabled.\n"); exit(-1); } @@ -55,36 +57,30 @@ int main(int argc, char *argv[]) if (!strncasecmp(argv[1], "-d", 2)) { flags = WDIOS_DISABLECARD; ioctl(fd, WDIOC_SETOPTIONS, &flags); - fprintf(stderr, "Watchdog card disabled.\n"); - fflush(stderr); + printf("Watchdog card disabled.\n"); 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); + printf("Watchdog card enabled.\n"); 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); + printf("Watchdog timeout set to %u seconds.\n", flags); 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); + printf("Watchdog ping rate set to %u seconds.\n", ping_rate); } else { - fprintf(stderr, "-d to disable, -e to enable, -t <n> to set " \ + printf("-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); + printf("run by itself to tick the card.\n"); goto end; } } - fprintf(stderr, "Watchdog Ticking Away!\n"); - fflush(stderr); + printf("Watchdog Ticking Away!\n"); signal(SIGINT, term); |
