From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: SIGTRAP in kill emulation on MS Windows Date: Mon, 22 Aug 2016 05:37:49 +0300 Message-ID: <83lgzpbkaq.fsf@gnu.org> References: <86vaytj1lu.fsf@realize.ch> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1471833477 12284 195.159.176.226 (22 Aug 2016 02:37:57 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 22 Aug 2016 02:37:57 +0000 (UTC) Cc: emacs-devel@gnu.org To: Alain Schneble Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Aug 22 04:37:52 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bbf7X-0002q4-Tw for ged-emacs-devel@m.gmane.org; Mon, 22 Aug 2016 04:37:52 +0200 Original-Received: from localhost ([::1]:39207 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bbf7V-0007FT-9v for ged-emacs-devel@m.gmane.org; Sun, 21 Aug 2016 22:37:49 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:51446) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bbf7Q-0007FN-8T for emacs-devel@gnu.org; Sun, 21 Aug 2016 22:37:45 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bbf7L-0000yZ-85 for emacs-devel@gnu.org; Sun, 21 Aug 2016 22:37:43 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:54475) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bbf7L-0000yT-5U; Sun, 21 Aug 2016 22:37:39 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1149 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bbf7I-0000qn-RH; Sun, 21 Aug 2016 22:37:37 -0400 In-reply-to: <86vaytj1lu.fsf@realize.ch> (message from Alain Schneble on Sun, 21 Aug 2016 22:42:05 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:206738 Archived-At: > From: Alain Schneble > Date: Sun, 21 Aug 2016 22:42:05 +0200 > > sys_kill in w32proc.c maps some signals (SIGINT, SIGKILL, SIGQUIT, > SIGHUP) to the appropriate W32 API calls. Couldn't it handle SIGTRAP as > well and map it to a call to DebugBreakProcess > (https://msdn.microsoft.com/en-us/library/windows/desktop/ms679298(v=vs.85).aspx)? It could, but what would be the use case for this functionality? Who or what would trigger that signal, and what would that trigger do on a Posix system?