Date: Wed, 12 Jul 2000 19:05:59 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.ORG> To: Wesley Morgan <morganw@chemicals.tacorp.com> Cc: cvs-all@FreeBSD.ORG, cvs-committers@FreeBSD.ORG Subject: Re: cvs commit: src/sys/kern sys_generic.c Message-ID: <XFMail.000712190559.jhb@FreeBSD.org> In-Reply-To: <Pine.BSF.4.21.0007122109490.11103-100000@volatile.chemicals.tacorp.com>
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On 13-Jul-00 Wesley Morgan wrote: > I don't want to point fingers, but.... I just rebuilt a kernel and > installed a new world and now syslogd is happily flying through > select() as fast as it can... Ooph, now inetd is and syslogd is > silent... Very odd :) Argh! For infinite timeouts we were only setting tv_sec to 0 and not tv_usec. Thus, tv_usec contained whatever garbage it already contained, and if it was != 0, then select would treat it as a very short timeout instead of blocking until it received input. > On Wed, 12 Jul 2000, John Baldwin wrote: > >> jhb 2000/07/12 15:46:41 PDT >> >> Modified files: >> sys/kern sys_generic.c >> Log: >> Fix a very obscure bug in select() and poll() where the timeout would >> never expire if poll() or select() was called before the system had been >> in multiuser for 1 second. This was caused by only checking to see if >> tv_sec was zero rather than checking both tv_sec and tv_usec. >> >> Revision Changes Path >> 1.60 +3 -3 src/sys/kern/sys_generic.c >> >> >> >> To Unsubscribe: send mail to majordomo@FreeBSD.org >> with "unsubscribe cvs-all" in the body of the message >> > > -- > _ __ ___ ____ ___ ___ ___ > Wesley N Morgan _ __ ___ | _ ) __| \ > wesleymorgan@home.com _ __ | _ \._ \ |) | > FreeBSD: The Power To Serve _ |___/___/___/ > Hi! I'm a .signature virus! Copy me into your ~/.signature to help me spread! > > -- John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.cslab.vt.edu/~jobaldwi/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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