From nobody@FreeBSD.ORG Sat Aug 26 06:51:35 2000 Return-Path: Received: by hub.freebsd.org (Postfix, from userid 32767) id 0EB9C37B424; Sat, 26 Aug 2000 06:51:35 -0700 (PDT) Message-Id: <20000826135135.0EB9C37B424@hub.freebsd.org> Date: Sat, 26 Aug 2000 06:51:35 -0700 (PDT) From: jml@cubical.fi Sender: nobody@FreeBSD.ORG To: freebsd-gnats-submit@FreeBSD.org Subject: libc_r does not honor socket timeouts X-Send-Pr-Version: www-1.0 >Number: 20861 >Category: kern >Synopsis: libc_r does not honor socket timeouts >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-threads >State: closed >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Aug 26 07:00:00 PDT 2000 >Closed-Date: Tue Apr 18 21:33:49 GMT 2006 >Last-Modified: Tue Apr 18 21:33:49 GMT 2006 >Originator: Juha Liukkonen >Release: 4.1-RELEASE >Organization: Cubical Solutions Ltd >Environment: FreeBSD skitso.intra.net 4.1-RELEASE FreeBSD 4.1-RELEASE #0: Sat Aug 19 14:56:42 EEST 2000 root@skitso.intra.net:/usr/src/sys/compile/server-mp.conf i386 >Description: read(), write(), et al. in libc_r do not honor socket timeouts set via setsockopt(sd, SOL_SOCKET, SO_{SND,RCV}TIMEO, ...). Timeout is always set to NULL and the read loops consume EAGAIN. >How-To-Repeat: s = socket(...); setsockopt(s, SOL_SOCKET, SO_RCVTIMEO, (void*) &timeout, sizeof(timeout)); connect(s, ...); read(s, buf, nbytes); <-- blocks and never returns EAGAIN >Fix: In read/write/etc. implementation, do a S_ISSOCK() on the descriptor, and if true, get a proper timeout value using _thread_sys_getsockopt() instead of assuming NULL. When the timeout expires, return EAGAIN if a proper timeout was used. >Release-Note: >Audit-Trail: Responsible-Changed-From-To: freebsd-bugs->jasone Responsible-Changed-By: sheldonh Responsible-Changed-When: Mon Aug 28 02:59:02 PDT 2000 Responsible-Changed-Why: Over to maintainer. http://www.freebsd.org/cgi/query-pr.cgi?pr=20861 Responsible-Changed-From-To: jasone->freebsd-bugs Responsible-Changed-By: jasone Responsible-Changed-When: Sat May 11 15:22:18 PDT 2002 Responsible-Changed-Why: http://www.freebsd.org/cgi/query-pr.cgi?pr=20861 Responsible-Changed-From-To: freebsd-bugs->freebsd-threads Responsible-Changed-By: kris Responsible-Changed-When: Sat Jul 12 18:32:35 PDT 2003 Responsible-Changed-Why: Assign to threads mailing list http://www.freebsd.org/cgi/query-pr.cgi?pr=20861 State-Changed-From-To: open->closed State-Changed-By: maxim State-Changed-When: Tue Apr 18 21:33:23 UTC 2006 State-Changed-Why: Superseded by threads/24472. http://www.freebsd.org/cgi/query-pr.cgi?pr=20861 >Unformatted: