From mboxrd@z Thu Jan 1 00:00:00 1970 Path: main.gmane.org!not-for-mail From: Han-Wen Nienhuys Newsgroups: gmane.lisp.guile.devel Subject: Re: port initialization? Date: Thu, 8 Aug 2002 21:35:43 +0200 Sender: guile-devel-admin@gnu.org Message-ID: <15698.51215.103077.669940@blauw.xs4all.nl> References: <15693.15724.416839.636665@blauw.xs4all.nl> Reply-To: hanwen@cs.uu.nl NNTP-Posting-Host: localhost.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: main.gmane.org 1028835142 32240 127.0.0.1 (8 Aug 2002 19:32:22 GMT) X-Complaints-To: usenet@main.gmane.org NNTP-Posting-Date: Thu, 8 Aug 2002 19:32:22 +0000 (UTC) Cc: guile-devel@gnu.org Return-path: Original-Received: from fencepost.gnu.org ([199.232.76.164]) by main.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 17ct1A-0008Ns-00 for ; Thu, 08 Aug 2002 21:32:20 +0200 Original-Received: from localhost ([127.0.0.1] helo=fencepost.gnu.org) by fencepost.gnu.org with esmtp (Exim 3.35 #1 (Debian)) id 17ct1t-0008Ly-00; Thu, 08 Aug 2002 15:33:05 -0400 Original-Received: from smtpzilla1.xs4all.nl ([194.109.127.137]) by fencepost.gnu.org with esmtp (Exim 3.35 #1 (Debian)) id 17ct1I-0008Ih-00 for ; Thu, 08 Aug 2002 15:32:28 -0400 Original-Received: from blauw.xs4all.nl (blauw.xs4all.nl [213.84.26.127]) by smtpzilla1.xs4all.nl (8.12.0/8.12.0) with ESMTP id g78JWRC5024986; Thu, 8 Aug 2002 21:32:27 +0200 (CEST) Original-To: Marius Vollmer In-Reply-To: X-Mailer: VM 7.05 under Emacs 21.2.1 Errors-To: guile-devel-admin@gnu.org X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.0.11 Precedence: bulk List-Help: List-Post: List-Subscribe: , List-Id: Developers list for Guile, the GNU extensibility library List-Unsubscribe: , List-Archive: Xref: main.gmane.org gmane.lisp.guile.devel:1020 X-Report-Spam: http://spam.gmane.org/gmane.lisp.guile.devel:1020 marius.vollmer@uni-dortmund.de writes: >> z = scm_cell (scm_tc16_strport, 0); >> This looks like fishy code to me. When scm_add_to_port_table triggers >> GC then it will see the (scm_tc16_strport, 0) cell, which is (or >> should be) invalid. > >Yes, but the GC will not notice since "z" still refers to it and >therefore the port cell wont be freedo That's not what I meant: z is a heap cell containing a null pointer. GC-ing it will dump core. > > SCM port = scm_cell (scm_tc16_port, newport); > > newport->port = port; > > .. > > } > / > This will leak newport when the call to scm_cell throws. scm_cell throws, what do you mean? -- Han-Wen Nienhuys | hanwen@cs.uu.nl | http://www.cs.uu.nl/~hanwen _______________________________________________ Guile-devel mailing list Guile-devel@gnu.org http://mail.gnu.org/mailman/listinfo/guile-devel