", SOFT_WDT_DEV); timeout = 7; printf("set timeout to %d ", timeout); ioctl(fd, WDIOC_SETTIMEOUT, &timeout); timeout = 0; ioctl(fd, WDIOC_GETTIMEOUT, &timeout); printf("get timeout returns %d ", timeout); ioctl(fd, WDIOC_GETSUPPORT, &ident); printf("dog name is %s ...
timeout = atoi(argv[1]); if (1 > timeout) timeout = 1; /* 设置超时时间 */ printf("timeout: %ds\n", timeout); if (0 > ioctl(fd, WDIOC_SETTIMEOUT, &timeout)) { fprintf(stderr, "ioctl error: WDIOC_SETTIMEOUT: %s\n", strerror(errno)); close(fd); exit(EXIT_FAILURE);...
#define WDIOC_GETBOOTSTATUS _IOR(WATCHDOG_IOCTL_BASE, 2, int) #define WDIOC_GETTEMP _IOR(WATCHDOG_IOCTL_BASE, 3, int) #define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int) #define WDIOC_KEEPALIVE _IOR(WATCHDOG_IOCTL_BASE, 5, int) #define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCT...
->WDIOC_SETTIMEOUT--设置timeout。 ->WDIOC_GETTIMEOUT--获取timeout值。 ->WDIOC_SETPRETIMEOUT--设置pretimeout。 ->WDIOC_GETPRETIMEOUT--获取pretimeout。 ->WDIOC_GETTIMELEFT--获取到reboot的剩余时间。 watchdog_write()是对watchdog进行喂狗接口: watchdog_write--写入任意字符都触发ping进行喂狗。
"Watchdog is started at boot time if set to 1, default=" __MODULE_STRING(CONFIG_S3C2410_WATCHDOG_ATBOOT)); MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); ...
int fd = -1, cmd = -1, timeout = 0; //打开看门狗 fd = open("/dev/watchdog1", O_RDWR); if (fd < 0) { printf("Error: Failed to open /dev/watchdog1\n"); return -1; } //使能看门狗 ioctl(fd, WDIOC_SETOPTIONS, WDIOS_ENABLECARD); switch (atoi(argv[1])...
ioctl(fd, WDIOC_SETTIMEOUT, &timeout); printf("The timeout was set to %d seconds\n", timeout); 如果设备的超时值的粒度只能到分钟,则这个例子可能实际打印"The timeout was set to 60 seconds"。 自从Linux 2.4.18内核,通过GETTIMEOUT ioctl命令查询当前超时值也是可能的: ...
#define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 6, int)#define WDIOC_GETTIMEOUT...
ioctl(fd, WDIOC_SETTIMEOUT, &timeout); printf("The timeout was set to %d seconds\n", timeout); 如果设备的超时值的粒度只能到分钟,则这个例子可能实际打印"The timeout was set to 60 seconds"。 自从Linux 2.4.18内核,通过GETTIMEOUT ioctl命令查询当前超时值也是可能的: ...
(fd, WDIOC_SETTIMEOUT, &timeout) < 0) { perror("Failed to set watchdog timeout"); close(fd); return -1; } // 启动 WDOG 定时器 if (ioctl(fd, WDIOC_START, 0) < 0) { perror("Failed to start watchdog"); close(fd); return -1; } printf("Watchdog started with timeout %d...