Re: disowning a process

[Davy Durham <pubaddr2@davyandbeth.com>]

Cool.. I looked at the daemon function and I might be able to use it..

However, I compiled your code... seems to work.. but where is the wait() 
done on the middle parrent so that it isn't left defunct?

Steven Rostedt wrote:

> Try man daemon.
>
> The way I use to do it was simply do a double fork. That is
> (simplified)...
>
> if ((pid = fork()) < 0) {
> 	perror("fork");
> } else if (!pid) {
> 	/* child */
> 	if ((pid = fork()) < 0) {
> 		perror("child fork");
> 		exit(-1);
> 	} if (pid) {
> 		/* child parent */
> 		/* Here we detach from the child */
> 		exit(0);
> 	}
> 	/* Now this code is a child running almost as a daemon
> 		with init as the parent. */
> 	setsid();
> 	/* Now the child is completely detached from the original
> 	   parent */
> 	/* ... daemon code here ... */
> 	exit(0);
> }
>
> /* parent code here */
>
> -- Steve
>
>  



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