watchdog.c

来自「GPRS短信收发 基于linux平台」· C语言 代码 · 共 40 行

#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include "log.h"



int openwatchdog(char * watchDogDev,char* pMod)
{
	int fd;
	if((fd=open(watchDogDev,O_RDWR|O_NONBLOCK))<=0)
	{
		return -1;
	}
	return fd;
}


void *feeddogthread(int *pfd)
{
	int fd=*pfd;
		
//	ioctl(fd, WDIOC_SETTIMEOUT, &timeout);

	writelog("feeddogthread is running\n");
	
/*	while(programControlConfWord->systemReboot!=1)
	{
		write(fd, "\0", 1);
		
		fsync(fd);
		
		sleep(3);
	}
*/
}