Message-ID: <50F6E695.20302@coverity.com>
Date: Wed, 16 Jan 2013 12:42:45 -0500
From: Tom Honermann <thonermann@coverity.com>
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To: <cygwin@cygwin.com>
Subject: Re: Intermittent failures with ctrl-c
References: <20121222175041.GA14475@ednor.casa.cgf.cx> <20121223165621.GA9935@ednor.casa.cgf.cx> <50DCB454.9030400@coverity.com> <20121229215725.GA18847@ednor.casa.cgf.cx> <50E23F98.1060004@coverity.com> <20130101053606.GB18911@ednor.casa.cgf.cx> <50E48743.5040401@coverity.com> <20130102204821.GA6524@ednor.casa.cgf.cx> <50E4A597.1060600@coverity.com> <50F5D559.4090909@coverity.com> <20130116020420.GA13284@ednor.casa.cgf.cx> <50F6D757.3000005@coverity.com> <50F6DB0F.2020602@gmail.com>
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On 01/16/2013 11:53 AM, marco atzeri wrote:
> On 1/16/2013 5:37 PM, Tom Honermann wrote:
>
>>
>> 4) Launch mintty using an existing Cygwin installation.  Naturally, this
>> will run a shell from the existing Cygwin install.
>>
>> 5) Change directories to the usr/bin directory of the snapshot.
>>
>
> This will cause a cygwin1.dll collision between the two versions
> Nothing is guarantee to work fine

Can you elaborate?  Cygwin supports multiple installations just fine 
these days.  Use of a .bat file (an intervening cmd.exe process) should 
isolate the environments for this test.

Regardless, I was also able to produce a hang in bash running the same 
.bat file from a cmd.exe prompt using only the snapshot install and the 
copied bash.exe, false.exe, and dependent binaries - no mintty.  The 
hung bash.exe process eventually timed out with an error message:

5 [unknown (0x176C)] bash 2000 sig_send: wait for sig_complete event 
failed, signal 6, rc 258, Win32 error 0

Tom.


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