System V / SIGCLD questions...

[William Kucharski]

In article <17457 at mimsy.UUCP> chris at mimsy.UUCP (Chris Torek) writes:
 (Explanation of SYSV SIGCLD deleted...)

 >This means that a catcher routine written as
 >	catch()
 >	{
 >		int w, status;
 >		signal(SIGCLD, catch);
 >		w = wait(&status);
 >	}
 >recurses infinitely as soon as one child exits.

Yep.  The signal(SIGCLD, catch) has to go _after_ the wait(2), unlike the
way you would program a signal handler for "normal" signals...
-- 
					William Kucharski

ARPA: kucharsk at uts.amdahl.com
UUCP: ...!{ames,decwrl,sun,uunet}!amdahl!kucharsk

Disclaimer:  The opinions expressed above are my own, and may not agree with
	     those of any other sentient being, not to mention those of my 
	     employer.  So there.