From owner-freebsd-hackers  Fri Mar  9 15:39:24 2001
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From: seebs@plethora.net (Peter Seebach)
Reply-To: seebs@plethora.net (Peter Seebach)
To: hackers@freebsd.org
Subject: Re: atexit 
In-reply-to: Your message of "Fri, 09 Mar 2001 15:35:33 PST."
             <Pine.GSO.4.30.0103091531250.24402-100000@multivac.sdsc.edu> 
Date: Fri, 09 Mar 2001 17:39:16 -0600
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In message <Pine.GSO.4.30.0103091531250.24402-100000@multivac.sdsc.edu>, Matthe
w Luckie writes:
>I'm wondering under what conditions a function specified with atexit()
>won't get called on FreeBSD when a program terminates.

"abnormal" termination.

>I take it that the cleanup function won't be called if the program dumps
>core, or if it is terminated with a kill(1) - or might it?

It shouldn't, in general, or if someone calls _exit().  If the program dies
from a signal, that's "abnormal" termination.

Note that some signals can be caught, and a program which catches them may
choose to exit cleanly, and may thus hit its atexit() registered functions.

-s

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