/************************************************************
- FileName :Monitor.c
- Author : Tobiu
- Description: 守护进程;
- Date : Apr 18, 2018
***********************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <dirent.h>
#include <sys/stat.h>
#include <string.h>
#include <time.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>
#include <errno.h>
#include <error.h>
#define MAXFILE 3
#define USEPRINTF 1
/************************************************************
-
@Function : program_Running
-
@Description : 判断程序是否在运行
-
@Param :
-
service : 进程名
-
@return : exist : 1,no found value : 0
***********************************************************/
int program_Running(char *service)
{
FILE *fp;
char cmd[128], buf[1024];
char *pLine;sprintf(cmd, “/bin/ps aux | /bin/grep %s | /bin/grep -v grep”, service);
fp = popen(cmd, “r”);
while( fgets(buf, sizeof(buf), fp) != NULL )
{
pLine = strtok(buf, “\n”);
while( pLine )
{
if( strstr(pLine, service) )
{
pclose( fp );
return 1;
}
pLine = strtok(NULL, “\n”);
}
}
pclose( fp );
return 0;
}
int main(int argc, char* argv[])
{
if( USEPRINTF ) printf(“homecentor\n”);
pid_t pc, pid;
pc = fork();
if( pc < 0 )
{
if( USEPRINTF ) printf("error fork\n");
exit(1);
}
else if( pc > 0 )
{
exit(0);
}
pid = setsid();
if( pid < 0 )
perror("setsid error");
chdir("/");
umask(0);
int i;
for(i=0; i<MAXFILE; i++)
close(i);
while( 1 )
{
/*监测homecentor*/
if(!program_Running("homecenter"))
{
/* The program did not run */
system("/usr/bin/killall -9 homecenter"); //杀进程
system("/bin/taskset -c 0 /home/mycode/bin/homecenter &"); //重新启动
}
sleep(2);
}
return 0;
}
作者:Tobiu
来源:优快云
原文:https://blog.youkuaiyun.com/localhostcom/article/details/79994230
版权声明:本文为博主原创文章,转载请附上博文链接!在这里插入代码片