/* * 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; printf("."); ioctl(fd, WDIOC_KEEPALIVE, &dummy); } /* * 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); } int main(int argc, char *argv[]) { int flags; unsigned int ping_rate = 1; int ret; setbuf(stdout, NULL); fd = open("/dev/watchdog", O_WRONLY); if (fd == -1) { printf("Watchdog device not enabled.\n"); exit(-1); } if (argc > 1) { if (!strncasecmp(argv[1], "-d", 2)) { flags = WDIOS_DISABLECARD; ioctl(fd, WDIOC_SETOPTIONS, &flags); printf("Watchdog card disabled.\n"); goto end; } else if (!strncasecmp(argv[1], "-e", 2)) { flags = WDIOS_ENABLECARD; ioctl(fd, WDIOC_SETOPTIONS, &flags); 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); 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); printf("Watchdog ping rate set to %u seconds.\n", ping_rate); } else { printf("-d to disable, -e to enable, -t <n> to set " \ "the timeout,\n-p <n> to set the ping rate, and \n"); printf("run by itself to tick the card.\n"); 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; } i/linux/net-next.git/log/drivers/usb/serial/io_16654.h'> <input type='hidden' name='id' value='2883aaea363f7a897ff06d2e6c73ae7aae285bcb'/><input type='hidden' name='id2' value='e26bfebdfc0d212d366de9990a096665d5c0209a'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/diff/?id=2883aaea363f7a897ff06d2e6c73ae7aae285bcb&id2=e26bfebdfc0d212d366de9990a096665d5c0209a'>root</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers?id=2883aaea363f7a897ff06d2e6c73ae7aae285bcb&id2=e26bfebdfc0d212d366de9990a096665d5c0209a'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb?id=2883aaea363f7a897ff06d2e6c73ae7aae285bcb&id2=e26bfebdfc0d212d366de9990a096665d5c0209a'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/serial?id=2883aaea363f7a897ff06d2e6c73ae7aae285bcb&id2=e26bfebdfc0d212d366de9990a096665d5c0209a'>serial</a>/<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/serial/io_16654.h?id=2883aaea363f7a897ff06d2e6c73ae7aae285bcb&id2=e26bfebdfc0d212d366de9990a096665d5c0209a'>io_16654.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='2883aaea363f7a897ff06d2e6c73ae7aae285bcb'/><input type='hidden' name='id2' value='e26bfebdfc0d212d366de9990a096665d5c0209a'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=2883aaea363f7a897ff06d2e6c73ae7aae285bcb&id2=e26bfebdfc0d212d366de9990a096665d5c0209a'>Diffstat</a> (limited to 'drivers/usb/serial/io_16654.h')</div><table summary='diffstat' class='diffstat'>