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Date: Wed, 28 Apr 2004 18:38:21 -0400
From: Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: zsh & make
Message-ID: <20040428223821.GA1662@coe.bosbc.com>
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References: <16230394 DOT 1083144846247 DOT JavaMail DOT sargon AT mac DOT com> <Pine DOT LNX DOT 4 DOT 53 DOT 0404281233390 DOT 712 AT gremlin DOT fruitbat DOT org>
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On Wed, Apr 28, 2004 at 01:44:01PM -0700, Peter A. Castro wrote:
>On Wed, 28 Apr 2004, Daniel Clausen wrote:
>
>> Hi
>
>Greetings, Daniel,
>
>> On Tuesday, April 27, 2004, at 05:55PM, Dave Korn <dk AT artimi DOT com> wrote:
>>
>> [snip]
>
>This is a rather interesting problem.  It appears that this is, yet
>another, variation on the fork() & signal handling problem.  Something
>we thought had been resolved in a snapshot a while ago.  If I run your
>little test with 'tree 4 4', then run the little cp script, I get
>differing results, both if I re-run it and if I change "$line.1" to
>"$line.xx".  You'll notice that when the hang happens, it's usually
>*after* the cp runs.  A quick check of the shell's state shows it's
>sitting in severals waits, some of which I'm not quite sure of why they
>are there:

This sure looks like a backtrace from an optimized, stripped Cygwin DLL.
It is not too surprising if you get odd data from that.

cgf

>(gdb) thread 1
>[Switching to thread 1 (thread 258.0x10b)]#0  0x77f682cb in ntdll!ZwWaitForMultipleObjects () from /d/WINNT/System32/NTDLL.DLL
>(gdb) bt
>#0  0x77f682cb in ntdll!ZwWaitForMultipleObjects ()
>   from /d/WINNT/System32/NTDLL.DLL
>#1  0x77f1ce6b in WaitForMultipleObjectsEx ()
>   from /d/WINNT/system32/KERNEL32.DLL
>#2  0x77f1cd76 in WaitForMultipleObjects ()
>   from /d/WINNT/system32/KERNEL32.DLL
>#3  0x610a5160 in cygwin1!__getreent () from /usr/bin/cygwin1.dll
>#4  0x0022ebd0 in ?? ()

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