Re: Dumping core on windows?

[Christopher Faylor <cgf-use-the-mailinglist-please@cygwin.com>]

On Wed, Nov 16, 2005 at 02:23:37PM -0800, Brian Dessent wrote:
>Ben Greear wrote:
>>After hours or days, my application crashes.  It's not overly
>>convenient for me to attach gdb to the process(es), but it can be done
>>if that is the only way.
>
>Since your app is not a Cygwin program you can't just set 'error_start'
>in $CYGWIN.  But you can do the equivalent to set dumper as the windows
>JIT debugger.  Set "HKLM\SOFTWARE\Microsoft\Windows
>NT\CurrentVersion\AeDebug\Debugger" to a REG_SZ of the filename and
>args of dumper.  Use "%ld" to represent the PID.  e.g.
>"c:\cygwin\bin\dumper.exe myapp %ld" will create myapp.core when the
>program faults.  Set "HKLM\SOFTWARE\Microsoft\Windows
>NT\CurrentVersion\AeDebug\Auto" to a REG_SZ of "1" to have this happen
>without the popup "This application has performed an illegal operation,
>...  [Debug] [Close]".  However, if you do this then there will be no
>indication of the fault -- other than the existance of the core file
>and your app no longer running (and possibly an entry in the event log)
>-- so you might want to leave auto at 0 if you want to see when the
>fault occurs.

Have you actually tried this, Brian?  I was going to suggest something
like this but I wasn't sure if it worked with dumper.

cgf