From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#6430: Emacs WINDOWS truncates exit status of processes to 8 bits Date: Wed, 15 Jun 2016 21:04:27 +0300 Message-ID: <83r3bycor8.fsf@gnu.org> References: <1310.80.58.205.52.1276622459.squirrel@correo.ozu.es> <831t3zg7or.fsf@gnu.org> <83d1njdvk9.fsf@gnu.org> <87mvmmk52b.fsf@wanadoo.es> <8337oeebr0.fsf@gnu.org> <87inxajxed.fsf@wanadoo.es> <83y466cvfs.fsf@gnu.org> <87eg7yjrwu.fsf@wanadoo.es> <83shwecq84.fsf@gnu.org> <87a8imjqwh.fsf@wanadoo.es> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1466013865 26656 80.91.229.3 (15 Jun 2016 18:04:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 15 Jun 2016 18:04:25 +0000 (UTC) Cc: macross84@ozu.es, 6430@debbugs.gnu.org, npostavs@users.sourceforge.net To: =?UTF-8?Q?=C3=93scar?= Fuentes Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jun 15 20:04:15 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bDFAk-0001ke-El for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 15 Jun 2016 14:03:36 -0400 In-reply-to: <87a8imjqwh.fsf@wanadoo.es> (message from =?UTF-8?Q?=C3=93scar?= Fuentes on Wed, 15 Jun 2016 19:36:14 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:119593 Archived-At: > From: Óscar Fuentes > Cc: npostavs@users.sourceforge.net, macross84@ozu.es, 6430@debbugs.gnu.org > Date: Wed, 15 Jun 2016 19:36:14 +0200 > > > Once again, if this is important (I don't think so), we can redefine > > WEXITSTATUS etc. macros to keep all the 32 bits of the exit status > > (actually, the top 2 bits are reserved, so only 30 bits can be used). > > When using --with-wide-int (or when running on Windows 64bits) we have > the full 32 bits, right? No. The 2 bits are reserved by Windows, not by Emacs integer's representation. To see that in action, interrupt a program with Ctrl-C and look at the exit status: you will see 0xC000013A; the 0xC0000000 bits are the reserved ones. (There are more values for other fatal exit reasons, but all of them set those 2 bits.)