From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5670 invoked by alias); 24 Apr 2017 09:11:09 -0000 Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Workers List List-Post: List-Help: X-Seq: 40999 Received: (qmail 10983 invoked from network); 24 Apr 2017 09:11:09 -0000 X-Qmail-Scanner-Diagnostics: from mailout3.w1.samsung.com by f.primenet.com.au (envelope-from , uid 7791) with qmail-scanner-2.11 (clamdscan: 0.99.2/21882. spamassassin: 3.4.1. Clear:RC:0(210.118.77.13):SA:0(-5.0/5.0):. Processed in 2.929262 secs); 24 Apr 2017 09:11:09 -0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-5.0 required=5.0 tests=RCVD_IN_DNSWL_HI, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=unavailable autolearn_force=no version=3.4.1 X-Envelope-From: p.stephenson@samsung.com X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | Received-SPF: none (ns1.primenet.com.au: domain at samsung.com does not designate permitted sender hosts) X-AuditID: cbfec7f4-f79806d000001279-53-58fdbec66c05 Date: Mon, 24 Apr 2017 10:00:50 +0100 From: Peter Stephenson To: zsh-workers@zsh.org Subject: Re: Call stack issues when running trap handler Message-id: <20170424100050.3038f53f@pwslap01u.europe.root.pri> In-reply-to: <87efwlijrl.fsf@wirrsal.net> Organization: Samsung Cambridge Solution Centre X-Mailer: Claws Mail 3.7.9 (GTK+ 2.22.0; i386-redhat-linux-gnu) MIME-version: 1.0 Content-type: text/plain; charset=UTF-8 Content-transfer-encoding: quoted-printable X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrNIsWRmVeSWpSXmKPExsWy7djPc7rH9v2NMJiwU8LiYPNDJgdGj1UH PzAFMEZx2aSk5mSWpRbp2yVwZUztsC1YylLxfdUF5gbGw8xdjJwcEgImEls3zGCFsMUkLtxb z9bFyMUhJLCUUeLHrVeMEE4vk8SpDZPgOuYtXswCkVjGKDFn8hRWCGcak8TDg2ugWs4wSnz/ spsZwjnLKLHh7V4mkH4WAVWJfTOOgdlsAoYSUzfNZgSxRQTEJc6uPc8CYgsLWEiserMSrIZX wF7iyonfQDXsHJwCmhIXMkGi/AL6Elf/fmKCuMheYuaVM4wQ1YISPybfA5vCDFS9dfd6dghb W+LJuwtgh0oI/GeTWDz/PtCjHECOrMSmA1CfuUjc2raVBcIWlnh1fAs7hC0j0dlxEGpXP6PE k25fiDkzGCVOn9nBBpGwlui7fZERYhmfxKRt05kh5vNKdLQJQZR4SGw+PAFql6PEocdzGCcw Ks5CcvYsJGfPQnL2AkbmVYwiqaXFuempxSZ6xYm5xaV56XrJ+bmbGIFJ4PS/4192MC4+ZnWI UYCDUYmHN+L7nwgh1sSy4srcQ4wSHMxKIrzdK/5GCPGmJFZWpRblxxeV5qQWH2KU5mBREufl OnUtQkggPbEkNTs1tSC1CCbLxMEp1cCo4JO58p9xp91ZM1OZqVtPeB6+kXJe+c939V2Tt5iq LFwbqnY/5+aNDcuKd+xe8uIScxn/7ZKknZ+sZrG933nQ8fmP/RZe26I/zbjXdCTXLsni0GZu rzNBBe8tJ17JvqGxsr6k8H1kxNHpUXd4Q1S4dmV7ZBxSv8tbXtcaaXtAfa6NeL1BxNmvSizF GYmGWsxFxYkAGpYpjP4CAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrMIsWRmVeSWpSXmKPExsVy+t/xa7re+/9GGCy+wmNxsPkhkwOjx6qD H5gCGKPcbDJSE1NSixRS85LzUzLz0m2VQkPcdC2UFPISc1NtlSJ0fUOClBTKEnNKgTwjAzTg 4BzgHqykb5fgljG1w7ZgKUvF91UXmBsYDzN3MXJySAiYSMxbvJgFwhaTuHBvPVsXIxeHkMAS RomVW0CKQJwZTBLrm9ZAZc4xSvz/f5YRwjnLKPGp/xTYLBYBVYl9M44xgdhsAoYSUzfNZgSx RQTEJc6uPQ+2Q1jAQmLVm5VgNbwC9hJXTvwGqmHn4BTQlLiQCRIVEqiTuHnmAthEfgF9iat/ PzFBXGcvMfPKGUaITkGJH5PvgU1kFlCXmDRvETOErS3x5N0FVog56hI37u5mn8AoPAtJyywk LbOQtCxgZF7FKJJaWpybnltsqFecmFtcmpeul5yfu4kRGEHbjv3cvIPx0sbgQ4wCHIxKPLwb fv6JEGJNLCuuzD3EKMHBrCTC273ib4QQb0piZVVqUX58UWlOavEhRlNgsExklhJNzgdGd15J vKGJobmloZGxhYW5kZGSOG/JhyvhQgLpiSWp2ampBalFMH1MHJxSDYxtKUZmr5d/vrpGyqOj fTabTLTDzSMOJzmb+VQ/MDJvKGKQKN58zNtSpyAjIPBM/mY541qb/7tmiAUIV86JiHRx+117 Y+rMZJmtWie3PTrHEaz6Zp18iPEjFbktppG+E+bcevhmurfqj66be8/EXFPlKxPf7PFIaMqE AAbR7GX1Lj9dLI5GHlZiKc5INNRiLipOBADxKr+otgIAAA== X-MTR: 20000000000000000@CPGS X-CMS-MailID: 20170424090054eucas1p2e7a53a536ab9ae63aae70a9483a5d18d X-Msg-Generator: CA X-Sender-IP: 182.198.249.179 X-Local-Sender: =?UTF-8?B?UGV0ZXIgU3RlcGhlbnNvbhtTQ1NDLURhdGEgUGxhbmUb?= =?UTF-8?B?7IK87ISx7KCE7J6QG1ByaW5jaXBhbCBFbmdpbmVlciwgU29mdHdhcmU=?= X-Global-Sender: =?UTF-8?B?UGV0ZXIgU3RlcGhlbnNvbhtTQ1NDLURhdGEgUGxhbmUbU2Ft?= =?UTF-8?B?c3VuZyBFbGVjdHJvbmljcxtQcmluY2lwYWwgRW5naW5lZXIsIFNvZnR3YXJl?= X-Sender-Code: =?UTF-8?B?QzEwG0VIURtDMTBDRDA1Q0QwNTAwNTg=?= CMS-TYPE: 201P X-HopCount: 7 X-CMS-RootMailID: 20170421203315epcas2p2bcf3453e9998002d444d4fa02a87b58e X-RootMTR: 20170421203315epcas2p2bcf3453e9998002d444d4fa02a87b58e References: <87efwlijrl.fsf@wirrsal.net> On Fri, 21 Apr 2017 22:32:46 +0200 Sebastian Reu=C3=9Fe wrote: > I=E2=80=99ve noticed that under certain conditions, shell functions calle= d from > inside an exit trap handler appear to never return. E.g., running the > following code will only yield =C2=ABa=C2=BB as output, indicating that c= allee > =C2=ABechoa=C2=BB never returns control to the caller =C2=ABhandler=C2=BB. This is working OK for me, in my normal configuration or starting from scratch, so there appears to be some other ingredient to add. pws