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: (error "Window system frame should be used") Date: Fri, 21 Apr 2017 13:51:47 +0300 Message-ID: <83wpae9gos.fsf@gnu.org> References: <86wpaenxbo.fsf@molnjunk.nocrew.org> <86r30mnqzd.fsf@molnjunk.nocrew.org> <83zifa9o82.fsf@gnu.org> <86mvbanoa3.fsf@molnjunk.nocrew.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1492772147 19012 195.159.176.226 (21 Apr 2017 10:55:47 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 21 Apr 2017 10:55:47 +0000 (UTC) Cc: emacs-devel@gnu.org To: Lars Brinkhoff Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Apr 21 12:55:43 2017 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 1d1WE2-0004oG-Su for ged-emacs-devel@m.gmane.org; Fri, 21 Apr 2017 12:55:42 +0200 Original-Received: from localhost ([::1]:58560 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d1WE8-000667-Pv for ged-emacs-devel@m.gmane.org; Fri, 21 Apr 2017 06:55:48 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:58738) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d1W9f-0003CQ-Tp for emacs-devel@gnu.org; Fri, 21 Apr 2017 06:51:16 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d1W9a-0003e4-KE for emacs-devel@gnu.org; Fri, 21 Apr 2017 06:51:12 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:55847) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d1W9a-0003dk-Ed; Fri, 21 Apr 2017 06:51:06 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1466 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1d1W9Z-0002Ej-P6; Fri, 21 Apr 2017 06:51:06 -0400 In-reply-to: <86mvbanoa3.fsf@molnjunk.nocrew.org> (message from Lars Brinkhoff on Fri, 21 Apr 2017 10:44:04 +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:214182 Archived-At: > From: Lars Brinkhoff > Date: Fri, 21 Apr 2017 10:44:04 +0200 > > Eli Zaretskii wrote: > > "emacs -nw" can _display_ a GUI frame. In batch sessions, we don't > > display anything, because it's a non-interactive invocation. Batch > > sessions have a frame of a special type, which is neither a TTY frame > > nor a GUI frame. > > It's interesting to try. "Interesting" as in that Chinese curse? ;-) > In non-interactive mode, `make-frame' crashes > with "I/O possible" (receiving a SIGIO I guess) when making a GUI frame, > and segmentation fault when making a TTY frame. It won't work without some non-trivial refactoring. And even after that, some pretty basic stuff will never work. > emacs -batch -eval "(make-frame '((display . \":0\")))" > emacs -batch -eval "(make-frame '((tty-type . \"xterm\")))" The last one doesn't need to crash. Try emacs -batch -eval "(make-terminal-frame '(()))" Here, it exits with an error message.