Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Date: Tue, 8 Jan 2002 12:47:37 -0500 From: Christopher Faylor To: cygwin@cygwin.com Cc: twall@oculustech.com Subject: Re: Control-C, SIGINT, ConsoleCtrlHandler... Message-ID: <20020108174737.GC24431@redhat.com> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com, twall@oculustech.com References: <3C3B2D03.F0C73746@oculustech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3C3B2D03.F0C73746@oculustech.com> User-Agent: Mutt/1.3.23.1i If you are writing cygwin programs, don't use windows signal mechanisms like SetConsoleCtrlHandler. Just use signal()/kill(), et al. If your program does not use cygwin then investigate the currently active thread "bash/cmd CTRL-C problem...". cgf On Tue, Jan 08, 2002 at 12:31:47PM -0500, Timothy Wall wrote: >I'm trying to get some consistent behavior under the command shell and cygwin, >tho' without much luck so far. I'd like to know if there's a canonical >SIGINT/SIGTERM handling convention for console processes (taking cygwin into >account, or barring that for invocations in cmd.exe only). > >The important thing for my program is that it perform certain cleanup >operations on exit (normally taken care of with a signal handler attached to >SIGINT/SIGTERM). > >Under the cmd.exe, the handler usually gets called when it's installed with >signal() or with SetConsoleCtrlHandler (there have been cases where it does >not, but I can't reliably reproduce them...). > >Under bash, however, it looks like the consolectrlhandler never even gets a >chance to finish before the process is wiped. Installing with signal() also >seems that the process is wiped before the cleanup gets a chance to run. > >(the handler sets a flag which the main thread uses to determine that it's >time to exit). -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/