SIGCHLD and SIG_IGN

Chip Salzenberg (chip@perlsupport.com)
Tue, 24 Nov 1998 11:44:49 -0500


According to H. J. Lu:
> I was told the behavior of
>
> signal(SIGCHLD, SIG_IGN)
>
> is totally undefined under POSIX.

Even if that's so, Linux is fortunately in the camp of "doing things
as they've always been done" in its current handling of SIGCHLD and
SIG_IGN. The auto-reaping behavior probably goes all the way back to
Unix V7, because both BSD and System V do it.

-- 
Chip Salzenberg        - a.k.a. -        <chip@perlsupport.com>
      "There -- we made them swerve slightly!"   //MST3K

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