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From: Christopher Faylor <cgf AT cygnus DOT com>
Message-ID: <19990219202514.B32178@cygnus.com>
Date: Fri, 19 Feb 1999 20:25:14 -0500
To: Curtis Galloway <curtis AT pdi DOT com>,
        Sergey Okhapkin <sos AT lab254 DOT bellcore DOT com>
Cc: cygwin AT sourceware DOT cygnus DOT com
Subject: Re: Handling CTRL_LOGOFF_EVENT
References: <005001be5c4d$3bd4edc0$02af6080 AT sokhapki-1 DOT cc DOT bellcore DOT com> <36CDF573 DOT 361DC410 AT pdi DOT com>
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In-Reply-To: <36CDF573.361DC410@pdi.com>; from Curtis Galloway on Fri, Feb 19, 1999 at 03:36:19PM -0800

On Fri, Feb 19, 1999 at 03:36:19PM -0800, Curtis Galloway wrote:
>Sergey Okhapkin wrote:
>> CTRL_LOGOFF_EVENT is sent to every running application including services.
>
>Yes, but does it terminate your process if you return FALSE in your handler?  I
>don't think so.
>
>I did a quick test using my modified cygwin1.dll.  I created a simple program
>that does nothing but write log messages to a file, and installed it as a
>service using the NT Resource Kit's SRVANY.EXE tool.  Even though my modified
>event handler returns FALSE, my test service survived through logging out and
>back in again.
>
>Perhaps my test was invalid.  If so, I'd be happy to hear about it.  (I still
>don't think the signal handling in exceptions.cc is quite right; it appears to
>not give programs a chance to handle the CTRL_CLOSE_EVENT or
>CTRL_SHUTDOWN_EVENT before Windows kills the process off.)

If you guys can come to a consensus on this, I'll be happy to put whatever
fix you think fixes the problem into cygwin.

-chris

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