Avoiding <exiting> processes on Ultrix

[Doug Gwyn]

In article <520 at pan.UUCP> jw at pan.UUCP (Jamie Watson) writes:
>Is there any way under Ultrix (2.0 or later) to write a C program
>such that any child processes created by that program will exit,
>without hanging in an <exiting> status until the parent does a wait()
>for the child?  Under SysV this is done with signal(SIGCLD, SIG_IGN);
>I have tried that under Ultrix, to no avail.

Ugh!  NEVER use the SIGCLD kludge!

To create a child that will not become a long-lived zombie:

	if ( fork() == 0 )
		if ( fork() == 0 )
			exec( whatever );
		else
			_exit( 0 );

Since the grandchild has no parent, whenever it terminates it will
be reaped by the "init" special process.