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Date: Wed, 13 May 2015 14:31:18 +0300
From: Aleksey Cherepanov <>
Subject: problem with signal handling in core john (was: [core john] [Johnny]
 Windows event loop)


On Tue, May 12, 2015 at 04:25:47PM +0300, Shinnok wrote:
> 	iii. We can re-enable CTRL_ events back in JtR. Simple patch to core. SetConsoleCtrlHandler(NULL, FALSE);

Shinnok's experiments seem to reveal a problem or two in core john.

I reattached Shinnok's patch because it was not easily visible in

The possible problems:

- SetConsoleCtrlHandler(NULL, FALSE); may be needed to enable ctrl-c
correctly, I guess john core wants to handle ctrl-c,

- __CYGWIN32__ macro may be obsolete in new cygwin and/or 64-bit
cygwin (I don't know) so signal handling does not work there at all.


Aleksey Cherepanov

View attachment "jtr-core-ctrlc-event.patch" of type "text/x-diff" (945 bytes)

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