gdb-6.6 mingw port hangs after Ctrl-C

[Eli Zaretskii]

> Date: Mon, 20 Aug 2007 15:31:28 -0400
> From: Daniel Jacobowitz <drow@false.org>
> Cc: Roland.Puntaier@br-automation.com, gdb@sourceware.org
> 
> On Mon, Aug 20, 2007 at 10:16:12PM +0300, Eli Zaretskii wrote:
> > The way to fix this is to make the signal handler stop the main thread
> > as the first thing it does.  Then you have a Posix-compliant program
> > again.  I did something similar for the MinGW port of GNU Make.
> 
> Is there any way to force the other thread to longjmp?  Otherwise,
> just stopping it isn't enough - you don't have the right stack.

longjmp should (theoretically) handle this allright.  But if not, you
could raise a flag in the signal handler, then resume the main thread
and return, and the main thread could check the flag and longjmp.