From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp12.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms5.migadu.com with LMTPS id eBXFIHqU2GLscwEAbAwnHQ (envelope-from ) for ; Thu, 21 Jul 2022 01:49:14 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp12.migadu.com with LMTPS id CF61IHqU2GJ3fgAAauVa8A (envelope-from ) for ; Thu, 21 Jul 2022 01:49:14 +0200 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 4163A155B6 for ; Thu, 21 Jul 2022 01:49:14 +0200 (CEST) Received: from localhost ([::1]:60738 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oEJRJ-0006TF-1x for larch@yhetil.org; Wed, 20 Jul 2022 19:49:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55876) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oEJR8-0006Sr-IZ for bug-guix@gnu.org; Wed, 20 Jul 2022 19:49:02 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:46543) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oEJR8-0004bT-9b for bug-guix@gnu.org; Wed, 20 Jul 2022 19:49:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1oEJR8-0002TF-1a for bug-guix@gnu.org; Wed, 20 Jul 2022 19:49:02 -0400 X-Loop: help-debbugs@gnu.org Subject: bug#56674: [Shepherd] Use of =?UTF-8?Q?=E2=80=98waitpid=E2=80=99, _?= =?UTF-8?Q?=E2=80=98system*=E2=80=99, ?= etc. in service code can cause deadlocks Resent-From: Maxime Devos Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Wed, 20 Jul 2022 23:49:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 56674 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Ludovic =?UTF-8?Q?Court=C3=A8s?= , 56674@debbugs.gnu.org Received: via spool by 56674-submit@debbugs.gnu.org id=B56674.16583608959431 (code B ref 56674); Wed, 20 Jul 2022 23:49:02 +0000 Received: (at 56674) by debbugs.gnu.org; 20 Jul 2022 23:48:15 +0000 Received: from localhost ([127.0.0.1]:36292 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oEJQM-0002S2-Mx for submit@debbugs.gnu.org; Wed, 20 Jul 2022 19:48:14 -0400 Received: from michel.telenet-ops.be ([195.130.137.88]:51668) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1oEJQI-0002Re-Aa for 56674@debbugs.gnu.org; Wed, 20 Jul 2022 19:48:13 -0400 Received: from [IPV6:2a02:1811:8c09:9d00:5dba:d409:33f7:a16] ([IPv6:2a02:1811:8c09:9d00:5dba:d409:33f7:a16]) by michel.telenet-ops.be with bizsmtp id xbo82700220ykKC06bo8kD; Thu, 21 Jul 2022 01:48:08 +0200 Message-ID: Date: Thu, 21 Jul 2022 01:48:02 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Content-Language: en-US References: <8735evpipv.fsf@inria.fr> From: Maxime Devos In-Reply-To: <8735evpipv.fsf@inria.fr> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------rO9TdGZSyR9TsS0nmOsl7Afp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=telenet.be; s=r22; t=1658360888; bh=LKnyQWwz312nFjqfIt/n+a9rK0mdbsufnHod9anAhw0=; h=Date:To:References:From:Subject:In-Reply-To; b=jYz20Xiq4Q3Y8MzbuXQZk1ukgu5ZXzeffBlYs6shVUifbiE7eU6wNs1i7bnMjcCB/ bK/oTNMZZKcXmVlUojM8JAyYjzeNcDNhCtvsON2sXkHcr6uCL0fi+/IMxrYinIOGyz YZC5lsFh3ukbd8g+lWBRCqha31RZ59uvU/RYFDppLFTWmSubkiCHC8roA4CyePZFTr sFCWBr332OXzqLHKb6rIXIbsFmnFosdCnaXYAP4kBI0/H5CNnarYKDhiSjKvPDOuWF qo17FvQUtTGQD6XDyxvDMj9K6f/TA6eEgGNj7O3tVarPwbvLlj0voVBEjQdWF3zIuM aAMnh/caH4Org== X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1658360954; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type:resent-cc:resent-from:resent-sender: resent-message-id:in-reply-to:in-reply-to:references:references: list-id:list-help:list-unsubscribe:list-subscribe:list-post: dkim-signature; bh=LKnyQWwz312nFjqfIt/n+a9rK0mdbsufnHod9anAhw0=; b=rT07KoeWlleAGsmlHY4GBONN5WxrV8pBmH3sRtJ2ZxKEBjLHJUBCqSl5Yp9sQUQ/4otGZC d3jURc1XTL1LL4N32dvrFtF4NIHwp4s5P52q2SBb7OFPX6zvLcJzvJLdz/N4K4+nOJqw0G +FOfrHGR8H0wG0UuoKqrpcnrwdXVx1F83oJO4R1EEk5LiCspWbkpksjnSJHPcjQoE0zGFI Py5hkKogY2pSHgh3jywWC/PFpAfIwQ+TSVoh8b8/rm2Dm/kpByOPWBo2vTAyPM51atgGeJ M4VEgr+GVciecnj9wBTDfokYMbDAEwuxjuOAqR14LndUn6E+w4PGVUhMBIxATA== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1658360954; a=rsa-sha256; cv=none; b=npeecRtII166LeOF/GVP7euQfAraF6MAwka6yYMLdhwqlTqhLAdIrH5ZWbPK2KWLZP1de/ WQS1tknSz/5rFWLN6jGkml7Yr4ZYCbkp25/XODObYDtZRNw0cFznYPouCSc3o2NVMO128Q rH1mdGdvIhWmT6IKY3clg7suShF2FW1WhrCwFdbzvHgD90C+QGWhBKYaA4cX/ZMGtvWN2+ iALTA3xubF49RSya407YUFgXccFC72atc+506T3gebGmRBYs2lOUatbiywbo+NSJ1CuejQ 5EBxiZF+myCMn485rHnNfS01m2uj+fgKSqJgoBPrr+FWyu4ZJw3GLIVNrmWkgg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=telenet.be header.s=r22 header.b=jYz20Xiq; dmarc=fail reason="SPF not aligned (relaxed)" header.from=telenet.be (policy=none); spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 5.67 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=telenet.be header.s=r22 header.b=jYz20Xiq; dmarc=fail reason="SPF not aligned (relaxed)" header.from=telenet.be (policy=none); spf=pass (aspmx1.migadu.com: domain of "bug-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="bug-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 4163A155B6 X-Spam-Score: 5.67 X-Migadu-Scanner: scn1.migadu.com X-TUID: udkfcupMzvJU This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------rO9TdGZSyR9TsS0nmOsl7Afp Content-Type: multipart/mixed; boundary="------------QXUNI4seZvp0kRwOZJvpJxvf"; protected-headers="v1" From: Maxime Devos To: =?UTF-8?Q?Ludovic_Court=c3=a8s?= , 56674@debbugs.gnu.org Message-ID: Subject: =?UTF-8?B?UmU6IGJ1ZyM1NjY3NDogW1NoZXBoZXJkXSBVc2Ugb2Yg4oCYd2FpdHBp?= =?UTF-8?B?ZOKAmSwg4oCYc3lzdGVtKuKAmSwgZXRjLiBpbiBzZXJ2aWNlIGNvZGUgY2FuIGNh?= =?UTF-8?Q?use_deadlocks?= References: <8735evpipv.fsf@inria.fr> In-Reply-To: <8735evpipv.fsf@inria.fr> --------------QXUNI4seZvp0kRwOZJvpJxvf Content-Type: multipart/mixed; boundary="------------kv0cVk3k7o1em67hYH82CPqV" --------------kv0cVk3k7o1em67hYH82CPqV Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: base64 DQpPbiAyMC0wNy0yMDIyIDIzOjM5LCBMdWRvdmljIENvdXJ0w6hzIHdyb3RlOg0KPiBIaSEN Cj4NCj4gV2XigJl2ZSBqdXN0IGhhZCBhIGJhZCBleHBlcmllbmNlIHdpdGggdGhlIG5naW54 IHNlcnZpY2Ugb24gYmVybGluLCB3aGVyZQ0KPiDigJhoZXJkIHJlc3RhcnQgbmdpbnjigJkg d291bGQgY2F1c2Ugc2hlcGhlcmQgdG8gZ2V0IHN0dWNrIGZvcmV2ZXIgaW4NCj4g4oCYd2Fp dHBpZOKAmSBvbiB0aGUgcHJvY2VzcyB0aGF0IHdhcyBzdXBwb3NlZCB0byBzdGFydCBuZ2lu eC4NCj4NCj4gVGhlIGRldGFpbHMgYXJlIHVuY2xlYXIsIGJ1dCBvbmUgdGhpbmcgaXMgY2xl YXIgaXMgdGhhdCB1c2luZyDigJh3YWl0cGlk4oCZDQo+IChlaXRoZXIgZGlyZWN0bHkgb3Ig aW5kaXJlY3RseSB3aXRoIOKAmHN5c3RlbSrigJksIHdoaWNoIGlzIHdoYXQNCj4g4oCYbmdp bngtc2VydmljZS10eXBl4oCZIGRvZXMpIGlzIG5vdCBncmVhdDoNCj4NCj4gICAgMS4gSW4g dGhlIGJlc3QgY2FzZSwgc2hlcGhlcmQgKGFzIG9mIDAuOS4xKSBpcyBzdHVjayB3aGlsZSDi gJhzeXN0ZW0q4oCZDQo+ICAgICAgIGlzIGluIOKAmHdhaXRwaWTigJkgd2FpdGluZyBmb3Ig Y2hpbGQgcHJvY2VzcyBjb21wbGV0aW9uICjigJxzdHVja+KAnSBhcw0KPiAgICAgICBpbjog ZG9lc27igJl0IGRvIGFueXRoaW5nLCBub3QgZXZlbiBhbnN3ZXJpbmcg4oCYaGVyZOKAmSBy ZXF1ZXN0cyBvcg0KPiAgICAgICBpbmV0ZCBjb25uZWN0aW9ucy4pDQo+DQo+ICAgIDIuIEkg ZG9u4oCZdCB0aGluayB0aGF0IGNhbiBoYXBwZW4gd2l0aCDigJhzeXN0ZW0q4oCZIChiZWNh dXNlIGl04oCZcyBpbiBDKSwNCj4gICAgICAgYnV0IGdlbmVyYWxseSBzcGVha2luZywgdGhl cmXigJlzIGEgcG9zc2liaWxpdHkgdGhhdCBzaGVwaGVyZOKAmXMgZXZlbnQNCj4gICAgICAg bG9vcCB3aWxsIGhhbmRsZSBjaGlsZCBwcm9jZXNzIHRlcm1pbmF0aW9uIGJlZm9yZSBzb21l IG90aGVyDQo+ICAgICAgIHVzZXItbWFkZSDigJh3YWl0cGlk4oCZIGNhbGwgZG9lcy4NCj4N Cj4gQW55d2F5LCB0aGF04oCZcyBhIGJhZCBzaXR1YXRpb24uDQo+DQo+IFNvIEkgY2FuIHRo aW5rIG9mIHNldmVyYWwgd2F5cyB0byBhZGRyZXNzIGl0Og0KPg0KPiAgICAxLiBDaGFuZ2Ug dGhlIG5naW54IHNlcnZpY2Ug4oCYc3RvcOKAmSBtZXRob2QgdG8ganVzdA0KPiAgICAgICAo bWFrZS1raWxsLWRlc3RydWN0b3IpLCB3aGljaCBzaG91bGQgd29yayBqdXN0IGFzIHdlbGwg YXMgaW52b2tpbmcNCj4gICAgICAg4oCcbmdpbnggLXMgc3RvcOKAnS4NCj4NCj4gICAgMi4g SGF2ZSBTaGVwaGVyZCBwcm92aWRlIGEgcmVwbGFjZW1lbnQgZm9yIOKAmHN5c3RlbSrigJku DQpXaHkgU2hlcGhlcmQgYW5kIG5vdCBndWlsZSBmaWJlcnM/IElzIHRoaXMgYSBTaGVwaGVy ZC1zcGVjaWZpYyBwcm9ibGVtPw0KPg0KPiBUaG91Z2h0cz8NCg0KMy4gTWFrZSB3YWl0cGlk IChvciBhIHZhcmlhbnQgdGhhdCBkb2VzIHdoYXQgd2UgbmVlZCkgaW50ZXJhY3Qgd2VsbCB3 aXRoIA0KZ3VpbGUtZmliZXJzLCBsaWtlIGhvdyAnYWNjZXB0JyBpcyBkb2Vzbid0IGluaGli aXQgc3dpdGNoaW5nIHRvIGFub3RoZXIgDQpmaWJlci4gVGhlcmUgc29tZSBMaW51eCBBUEkg d2l0aCBzaWduYWwgaGFuZGxlcnMgb3IgcGlkIGZkcyBvciBzdWNoIHRoYXQgDQptaWdodCBi ZSB1c2VmdWwgaGVyZSwgdGhvdWdoIEkgZG9uJ3QgcmVjYWxsIHRoZSBuYW1lLiBQcmVzdW1h Ymx5IA0Kc29tZXRoaW5nIHNpbWlsYXIgY2FuIGJlIGRvbmUgZm9yIHRoZSBIdXJkLCB0aG91 Z2ggc29tZSBDIGdsdWUgbWF5IGJlIA0KbmVlZGVkIHRvIGFjY2VzcyB0aGUgcmlnaHQgSHVy ZCBBUElzIGlmIHRoZSBzaWduYWwgaGFuZGxlciBBUEkgaXNuJ3QgDQpwb3J0YWJsZS4NCg0K QWx0ZXJuYXRpdmVseToNCg0KNC4gRG8gdGhlIHdhaXRwaWQgaW4gYSBzZXBhcmF0ZSB0aHJl YWQgKG5lZWRzIHdvcmstYXJvdW5kIGZvciB0aGUgDQptdWx0aS10aHJlYWRlZCBmb3JrIHBy b2JsZW0sIHByb2JhYmx5IEMgdGhpbmdzPyBPciBtb2RpZnlpbmcgR3VpbGUgYW5kIA0KbWF5 YmUgZ2xpYmMgdG8gYXZvaWQgYXN5bmMtdW5zYWZlIHRoaW5ncyBvciBtYWtlIG1vcmUgdGhp bmdzIGFzeW5jLXNhZmUgDQpvciB3aGF0ZXZlciB0aGUgYXBwcm9wcmlhdGUgLi4uLXNhZmUg aXMgaGVyZS4pDQoNCklmIG5vdCBhIEd1aWxlIEZpYmVycyBpbnRlcmFjdGlvbiBwcm9ibGVt LCB0aGVuIHRoZSBhc3luY2hyb25vdXMgc2lnbmFsIA0KaGFuZGxlciBBUEkgbWlnaHQgc3Rp bGwgYmUgdXNlZnVsLg0KDQpHcmVldGluZ3MsDQpNYXhpbWUNCg0K --------------kv0cVk3k7o1em67hYH82CPqV Content-Type: application/pgp-keys; name="OpenPGP_0x49E3EE22191725EE.asc" Content-Disposition: attachment; filename="OpenPGP_0x49E3EE22191725EE.asc" Content-Description: OpenPGP public key Content-Transfer-Encoding: quoted-printable -----BEGIN PGP PUBLIC KEY BLOCK----- xjMEX4ch6BYJKwYBBAHaRw8BAQdANPb/d6MrGnGi5HyvODCkBUJPRjiFQcRU5V+m xvMaAa/NL01heGltZSBEZXZvcyA8bWF4aW1lLmRldm9zQHN0dWRlbnQua3VsZXV2 ZW4uYmU+wpAEExYIADgWIQTB8z7iDFKP233XAR9J4+4iGRcl7gUCX4ch6AIbAwUL CQgHAwUVCgkICwUWAgMBAAIeAQIXgAAKCRBJ4+4iGRcl7japAQC3opZ2KGWzWmRc /gIWSu0AAcfMwyinFEEPa/QhUt2CogD/e2RdF4CYAgaRHJJmZ9WU7piKbLZ7llB4 LzgezVDHggzNJU1heGltZSBEZXZvcyA8bWF4aW1lZGV2b3NAdGVsZW5ldC5iZT7C kAQTFggAOBYhBMHzPuIMUo/bfdcBH0nj7iIZFyXuBQJf56ycAhsDBQsJCAcDBRUK CQgLBRYCAwEAAh4BAheAAAoJEEnj7iIZFyXujpQBAKV1SwDDl4f24rXciDlB9L8W ycZt30CgbewMSRQk4mvbAP9dFMbVVixYBd6C8cfhR+NsOBGiOJnQABlUmgNuqGFJ Dc44BF+HIegSCisGAQQBl1UBBQEBB0BOlzIWiJzgobMF6/cqwLaLk7jIcFSZ++c0 k9cCNT6YXwMBCAfCeAQYFggAIBYhBMHzPuIMUo/bfdcBH0nj7iIZFyXuBQJfhyHo AhsMAAoJEEnj7iIZFyXuMr0BAJc8cl5PGvVmVuSQVKjleNl4DK1/XAaPAYPe34AE fZJPAP9IqLCQhH/FeJanHqBP8gNdGNI2qn8RnnLVfRJgUjZ1BA=3D=3D =3DOVqp -----END PGP PUBLIC KEY BLOCK----- --------------kv0cVk3k7o1em67hYH82CPqV-- --------------QXUNI4seZvp0kRwOZJvpJxvf-- --------------rO9TdGZSyR9TsS0nmOsl7Afp Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature" -----BEGIN PGP SIGNATURE----- wnsEABYIACMWIQTB8z7iDFKP233XAR9J4+4iGRcl7gUCYtiUMgUDAAAAAAAKCRBJ4+4iGRcl7nmK AP4voSC2RsZe4vnuPEMzf5MuoVD5gRtKWKC4jSJMvlNCcAD8DNNYgVHSzY2i2xiUnjiqY8v+TaW/ Z/KZjSLYMEd9PQE= =kY8Z -----END PGP SIGNATURE----- --------------rO9TdGZSyR9TsS0nmOsl7Afp--