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Re: _Exit detection

From: Paul Eggert
Subject: Re: _Exit detection
Date: Mon, 12 Jul 2010 16:17:17 -0700
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20100527 Thunderbird/3.0.5

On 07/12/10 14:44, Karl Berry wrote:
> Sorry for my ignorance, but what's the advantage for RCS of using _exit
> or _Exit instead of just plain exit() and thus eliminating the
> complications?

Signals.  Plain exit() isn't guaranteed to work in a signal handler.

Come to think of it, though, RCS commands shouldn't be invoking _exit (or 
_Exit) in a
signal handler: they should be killing themselves with the handled signal, so 
their invokers get the proper status.  Once this is done, RCS shouldn't need
either _exit or _Exit.

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