Date: Wed, 26 Mar 2008 11:49:04 -0400
From: Christopher Faylor <cgf-use-the-mailinglist-please@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: 1.5.24-2: Applications automatically restart on crash
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References: <47E95B8E.7050406@morlier.us> <035601c88f4b$9da22eb0$2708a8c0@CAM.ARTIMI.COM>
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On Wed, Mar 26, 2008 at 02:13:50PM -0000, Dave Korn wrote:
>Christopher Morlier wrote on 25 March 2008 20:08:
>
>> Hi Everyone,
>> For a couple of years I have noticed that when I run programs from
>> within Cygwin (currently 1.5.24-2), if the program crashes (ie segfault)
>> then the program gets automatically restarted.  This is primarily a
>> problem when compiling/testing a windows program I am developing
>> (compiled with MSVC), as I have to wait for the program to
>> restart so I
>> can shut it down. It seems like this hasn't always been the behavior,
>> although it has been for several years (in the past, it just didn't
>> effect me as much). 
>
>  Yep.  Because it's a non-cygwin child process, cygwin doesn't realise it's
>started and crashed, it thinks the process creation suffered a temporary
>failure and has up to 5 retries.
>
>> 
>> I was wondering, is this a bug or a feature? 
>
>  Feature.
>
>> And if it is a
>> feature is there a way to prevent it from happening?
>
>  Recompile the dll, with attention to sigproc.cc:
>
>int child_info::retry_count = 10;
>
>and the way that child_info::proc_retry decrements the 'retry' counter which
>is initialised to that value.

set CYGWIN=proc_retry:1

is a much less intrusive way of dealing with this.

cgf

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