cygwin 3.1 pseudo console in PTY and break/ctrl-c handling

[Kevin Schnitzius via cygwin]

With Cygwin version 3.0.7-1, crtl-c kills native apps that are started from the shell,  For example, starting notepad in the foreground from bash would be kill by a ctrl-c.

With Cygwin version 3.1.2-1, crtl-c DOES NOT kill native apps that are started from the shell, 

Can I restore this behavior?

With 3.1.2-1:

mintty -o "CA+F12:break"                              =====>    ctrl-alt-F12 causes a break and kills notepad
mintty -o "c:break"                                          =====>    ctrl-shift-c causes a break and kills notepad
mintty -o "C+c:break"                                     =====>  FAIL -- ctrl-c kills native apps but notepad is not affected
mintty -o "CA+c:break"                                   =====>  FAIL -- ctrl-alt-c kills native apps but notepad is not affected

These tests show that the 'break' signal can be propagated from mintty but is not for the ctrl-c case.  

I am guessing that this behavior is from the pty handing but I have not dug into this code or installed winpty.

Is all this documented somewhere that I could not find?  

Kevin

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