Release 4.13 tools/testing/selftests/watchdog/watchdog-test.c
/*
* Watchdog Driver Test Program
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <linux/types.h>
#include <linux/watchdog.h>
int fd;
const char v = 'V';
/*
* This function simply sends an IOCTL to the driver, which in turn ticks
* the PC Watchdog card to reset its internal timer so it doesn't trigger
* a computer reset.
*/
static void keep_alive(void)
{
int dummy;
int ret;
ret = ioctl(fd, WDIOC_KEEPALIVE, &dummy);
if (!ret)
printf(".");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Randy Dunlap | 20 | 55.56% | 1 | 33.33% |
| Timur Tabi | 15 | 41.67% | 1 | 33.33% |
| Ladinu Chandrasinghe | 1 | 2.78% | 1 | 33.33% |
| Total | 36 | 100.00% | 3 | 100.00% |
/*
* The main program. Run the program with "-d" to disable the card,
* or "-e" to enable the card.
*/
static void term(int sig)
{
int ret = write(fd, &v, 1);
close(fd);
if (ret < 0)
printf("\nStopping watchdog ticks failed (%d)...\n", errno);
else
printf("\nStopping watchdog ticks...\n");
exit(0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Devendra Naga | 21 | 41.18% | 1 | 20.00% |
| Arnd Bergmann | 18 | 35.29% | 1 | 20.00% |
| Timur Tabi | 11 | 21.57% | 2 | 40.00% |
| Randy Dunlap | 1 | 1.96% | 1 | 20.00% |
| Total | 51 | 100.00% | 5 | 100.00% |
int main(int argc, char *argv[])
{
int flags;
unsigned int ping_rate = 1;
int ret;
int i;
setbuf(stdout, NULL);
fd = open("/dev/watchdog", O_WRONLY);
if (fd == -1) {
printf("Watchdog device not enabled.\n");
exit(-1);
}
for (i = 1; i < argc; i++) {
if (!strncasecmp(argv[i], "-d", 2)) {
flags = WDIOS_DISABLECARD;
ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
if (!ret)
printf("Watchdog card disabled.\n");
} else if (!strncasecmp(argv[i], "-e", 2)) {
flags = WDIOS_ENABLECARD;
ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
if (!ret)
printf("Watchdog card enabled.\n");
} else if (!strncasecmp(argv[i], "-t", 2) && argv[2]) {
flags = atoi(argv[i + 1]);
ret = ioctl(fd, WDIOC_SETTIMEOUT, &flags);
if (!ret)
printf("Watchdog timeout set to %u seconds.\n", flags);
i++;
} else if (!strncasecmp(argv[i], "-p", 2) && argv[2]) {
ping_rate = strtoul(argv[i + 1], NULL, 0);
printf("Watchdog ping rate set to %u seconds.\n", ping_rate);
i++;
} else {
printf("-d to disable, -e to enable, -t <n> to set "
"the timeout,\n-p <n> to set the ping rate, and ");
printf("run by itself to tick the card.\n");
printf("Parameters are parsed left-to-right in real-time.\n");
printf("Example: %s -d -t 10 -p 5 -e\n", argv[0]);
goto end;
}
}
printf("Watchdog Ticking Away!\n");
signal(SIGINT, term);
while(1) {
keep_alive();
sleep(ping_rate);
}
end:
ret = write(fd, &v, 1);
if (ret < 0)
printf("Stopping watchdog ticks failed (%d)...\n", errno);
close(fd);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Timur Tabi | 189 | 51.08% | 4 | 44.44% |
| Randy Dunlap | 128 | 34.59% | 1 | 11.11% |
| Devendra Naga | 20 | 5.41% | 2 | 22.22% |
| Arnd Bergmann | 18 | 4.86% | 1 | 11.11% |
| James Hogan | 15 | 4.05% | 1 | 11.11% |
| Total | 370 | 100.00% | 9 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Timur Tabi | 221 | 44.29% | 4 | 36.36% |
| Randy Dunlap | 179 | 35.87% | 2 | 18.18% |
| Devendra Naga | 44 | 8.82% | 2 | 18.18% |
| Arnd Bergmann | 39 | 7.82% | 1 | 9.09% |
| James Hogan | 15 | 3.01% | 1 | 9.09% |
| Ladinu Chandrasinghe | 1 | 0.20% | 1 | 9.09% |
| Total | 499 | 100.00% | 11 | 100.00% |
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