From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 35719 invoked by alias); 7 Oct 2016 19:26:53 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 35690 invoked by uid 89); 7 Oct 2016 19:26:52 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-4.0 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,RCVD_IN_SORBS_SPAM,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 spammy=seriously, blomqvistjannegmailcom, blomqvist.janne@gmail.com, existed X-HELO: resqmta-po-05v.sys.comcast.net Received: from resqmta-po-05v.sys.comcast.net (HELO resqmta-po-05v.sys.comcast.net) (96.114.154.164) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Fri, 07 Oct 2016 19:26:51 +0000 Received: from resomta-po-08v.sys.comcast.net ([96.114.154.232]) by resqmta-po-05v.sys.comcast.net with SMTP id sammbZCFxcEL1sanCbCJwr; Fri, 07 Oct 2016 19:26:50 +0000 Received: from up.mrs.kithrup.com ([24.4.193.248]) by resomta-po-08v.sys.comcast.net with SMTP id sanAbveQSm6rKsanBbwMlS; Fri, 07 Oct 2016 19:26:50 +0000 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: [PATCH, libgfortran] PR 67585 Handle EINTR From: Mike Stump In-Reply-To: Date: Fri, 07 Oct 2016 19:26:00 -0000 Cc: FX , Fortran List , GCC Patches Content-Transfer-Encoding: quoted-printable Message-Id: <95045C89-3CCF-4FDE-AA41-344D0C1F8596@comcast.net> References: <1475843186-3429-1-git-send-email-blomqvist.janne@gmail.com> To: Janne Blomqvist X-CMAE-Envelope: MS4wfGHtlFP1DhCG7LOdB+8TPOW7jYpjZ1i2mpoSnPB5UiA+n+NSjycLHIMG0OcE2kMlrmGCA5y5up2TJzGyY51k2TOnmMs+fiNyC/tV03ltkYJcd+oe3rrS M/bTOuOyhAvF012t+q5U1fQ5t3W0kizEWxvPbHAaNiCjNZYW4wNMtHVxo5M537NewlS5WKyce3cyn7zoKZj5NasI/SJNV9idDdnpHPiPGtKtf4I22a6csKmv bCQNroCOZTItawUX6fURWG2r/gmCTp2R11VnBDPtfD/1D4tIdlozYenz6gJp/ppq X-IsSubscribed: yes X-SW-Source: 2016-10/txt/msg00515.txt.bz2 On Oct 7, 2016, at 5:59 AM, Janne Blomqvist wro= te: >=20 > So I suppose in theory you could have a situation where something > continuously fires signals at the process, and the result is some kind > of race between the process restarting the syscall which then never > manages to complete before being interrupted again. But I think this > goes into the "Doctor, this hurts! Then don't do that" territory. No, this is in the territory of seriously broken software that I don't thin= k has ever existed.