daemon_sample.c

创建守护进程

#include <unistd.h>
#include <sys/types.h>


int main(int argc,char *argv[])
{
	pid_t child;
	child=fork();
	if(child==0)
	{
		setsid();
		child=fork();
		if(child==0)
		{
			chdir("/tmp");
			umask(0);
			while(1)
			{
				sleep(1);
			}
			exit(0);
		}
		exit(0);
	}
	return 0;
}