selftests: watchdog: Add optional file argument (a4864a33) · Commits · 戴 / test

tools/testing/selftests/watchdog/watchdog-test.c

+17 −3

Original line number	Original line	Diff line number	Diff line
	@@ -19,7 +19,7 @@

	int fd;		int fd;
	const char v = 'V';		const char v = 'V';
	static const char sopts[] = "bdehp:t:Tn:NL";		static const char sopts[] = "bdehp:t:Tn:NLf:";
	static const struct option lopts[] = {		static const struct option lopts[] = {
	{"bootstatus", no_argument, NULL, 'b'},		{"bootstatus", no_argument, NULL, 'b'},
	{"disable", no_argument, NULL, 'd'},		{"disable", no_argument, NULL, 'd'},
	@@ -31,6 +31,7 @@ static const struct option lopts[] = {
	{"pretimeout", required_argument, NULL, 'n'},		{"pretimeout", required_argument, NULL, 'n'},
	{"getpretimeout", no_argument, NULL, 'N'},		{"getpretimeout", no_argument, NULL, 'N'},
	{"gettimeleft", no_argument, NULL, 'L'},		{"gettimeleft", no_argument, NULL, 'L'},
			{"file", required_argument, NULL, 'f'},
	{NULL, no_argument, NULL, 0x0}		{NULL, no_argument, NULL, 0x0}
	};		};

	@@ -69,6 +70,8 @@ static void term(int sig)
	static void usage(char *progname)		static void usage(char *progname)
	{		{
	printf("Usage: %s [options]\n", progname);		printf("Usage: %s [options]\n", progname);
			printf(" -f, --file Open watchdog device file\n");
			printf(" Default is /dev/watchdog\n");
	printf(" -b, --bootstatus Get last boot status (Watchdog/POR)\n");		printf(" -b, --bootstatus Get last boot status (Watchdog/POR)\n");
	printf(" -d, --disable Turn off the watchdog timer\n");		printf(" -d, --disable Turn off the watchdog timer\n");
	printf(" -e, --enable Turn on the watchdog timer\n");		printf(" -e, --enable Turn on the watchdog timer\n");
	@@ -92,14 +95,20 @@ int main(int argc, char *argv[])
	int ret;		int ret;
	int c;		int c;
	int oneshot = 0;		int oneshot = 0;
			char *file = "/dev/watchdog";

	setbuf(stdout, NULL);		setbuf(stdout, NULL);

	fd = open("/dev/watchdog", O_WRONLY);		while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
			if (c == 'f')
			file = optarg;
			}

			fd = open(file, O_WRONLY);

	if (fd == -1) {		if (fd == -1) {
	if (errno == ENOENT)		if (errno == ENOENT)
	printf("Watchdog device not enabled.\n");		printf("Watchdog device (%s) not found.\n", file);
	else if (errno == EACCES)		else if (errno == EACCES)
	printf("Run watchdog as root.\n");		printf("Run watchdog as root.\n");
	else		else
	@@ -108,6 +117,8 @@ int main(int argc, char *argv[])
	exit(-1);		exit(-1);
	}		}

			optind = 0;

	while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {		while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
	switch (c) {		switch (c) {
	case 'b':		case 'b':
	@@ -190,6 +201,9 @@ int main(int argc, char *argv[])
	else		else
	printf("WDIOC_GETTIMELEFT error '%s'\n", strerror(errno));		printf("WDIOC_GETTIMELEFT error '%s'\n", strerror(errno));
	break;		break;
			case 'f':
			/* Handled above */
			break;

	default:		default:
	usage(argv[0]);		usage(argv[0]);

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