X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:reply-to :references:mime-version:content-type:in-reply-to; q=dns; s= default; b=iMQTS0fsyPbgw8UCpqgSsPvAOSFLHPu8CssVIRgV8iOUiIDfuBUuQ EG/9/JEKzmi4WA5BpOaTirN6ha7ym6o5vos6371o3AUzm0FKmKgOKM5eEYxMEH+V SlkqeYEaPYrDNqBtXm6lVmN9Sfgz9VxdWV7h9+0QllluJZ2OevBtyc= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:reply-to :references:mime-version:content-type:in-reply-to; s=default; bh=qYLRFLHE20Y08+aSU9MNUG0OEok=; b=JdMuCgMD4BRnX7RUDg4b+rnW8NV0 9wYJ+p/Z1x9CfoX1q/UJgFp3ZOTtgJdXdfa5kz9oW45cl6CH7icyrjp4ccMT9FVd fcdQ31zax1B6JwxHX6VwSjjkvcpqsJZPxQZ8iU88WqFN3BRl/eyqqEsiaY8xPZqA U4gcOnT0JNOfr4g= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-5.9 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.3.2 X-HELO: calimero.vinschen.de Date: Mon, 23 Feb 2015 13:14:45 +0100 From: Corinna Vinschen To: cygwin AT cygwin DOT com Subject: Re: Unexpected EINVAL from pthread_join Message-ID: <20150223121445.GL437@calimero.vinschen.de> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <20150222225437 DOT 271e929b AT tukaani DOT org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Mit9XoPEfICDqq/V" Content-Disposition: inline In-Reply-To: <20150222225437.271e929b@tukaani.org> User-Agent: Mutt/1.5.23 (2014-03-12) --Mit9XoPEfICDqq/V Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Feb 22 22:54, Lasse Collin wrote: > It seems that a signal can cause pthread_join to incorrectly return > EINVAL. I debugged it only a little but hopefully someone finds this > useful: >=20 > In the file thread.cc, function pthread::join, the call to cygwait may > return WAIT_SIGNALED if a signal is sent to the process. The switch > statement handling the return value assumes that only WAIT_OBJECT_0 and > WAIT_CANCELED are possible. The default section of the switch statement > has a comment "should never happen" and it returns EINVAL. It might be > that the problem occurs only when SA_RESTART isn't used. Lasse, I'm sorry, but I can't handle that quickly. Since you're looking into the code and apparently understanding it, maybe you'd like to provide patches, too? Please have a look at https://cygwin.com/contrib.html. Patches <=3D 10 lines don't even need a copyright assignment. Thanks, Corinna --=20 Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat --Mit9XoPEfICDqq/V Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJU6xm1AAoJEPU2Bp2uRE+gsaQP/j1ihehSi1dYa8JnLHxij7g1 Jb6GfK5HVHmKqLvGXnwEm2HOXuW+tUShZgi/D0yvXJjqSNe9/6k2nMWWAAwSpcWP qjI4AWQTYJeCxG8CP31HoTyzQ90nKqAuc/lHdVJZlmWLvvlhx0PGDDbT8kFBGj80 6jWQkBKne0CqCVSgZq9hohKk1jFbe0Krn7cNi+jVNv4zWT0hCu1GHp/8D5uknz/5 RxSeMlTb0N6BLyzHWl12GfgEzMZZKClXPpb0iiwSR9zp0KVLVqCvVtOYy3GHQG4p BScCql1IULDvO0pCnkXVowwlBVqRdmpF5qaPNjr4TKB7XesiPb6zpskqTbbR+o2T 6OEvn5NRyBSyf4a3RCdlC14liCvh3Kba3ppW0toNL2oGX8s7AIKw7VZ8hdEA+HSh c18PqRwsLx60dHbYKMQ51DAmsuSao83+R0eDOQJooiRYhIhDRD962DgeZarNy1BI ZczycF4ce4XhSiqBiGgeSHrAZQi5+XPdbsdgBQqDsz+oM++0N0rMwXUgyEbVKJOD ncwD/G7/1GwjiStDWIsliSfoqIyyaA0kER4kihgJAAo7ZPLt3rQuzPXwEDAdpZsH UN9pptbx/9W7Nor3T5iIirczKrl07QJO1/CZG2fmS+8KXDnllVLIB+SnBeYRQrLP NIxyVpGNvXjRIYFVApHS =UMBW -----END PGP SIGNATURE----- --Mit9XoPEfICDqq/V--