Date: Sat, 25 Oct 2014 07:42:44 +0400 From: Andrey Chernov <ache@freebsd.org> To: John Baldwin <jhb@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r273601 - head/lib/libc/gen Message-ID: <544B1C34.1020204@freebsd.org> In-Reply-To: <544B0930.8010004@freebsd.org> References: <201410241955.s9OJtnbm014234@svn.freebsd.org> <544B0930.8010004@freebsd.org>
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On 25.10.2014 6:21, Andrey Chernov wrote: > On 24.10.2014 23:55, John Baldwin wrote: >> Author: jhb >> Date: Fri Oct 24 19:55:49 2014 >> New Revision: 273601 >> URL: https://svnweb.freebsd.org/changeset/base/273601 >> >> Log: >> Don't reference sem(4) from the POSIX semaphore pages. POSIX semaphores >> were reimplemented using umtx in FreeBSD 9 and no longer use sem(4). > > sem kernel module referenced in sem(4) uses the same uipc_sem.c file as > kernel's P1003_1B_SEMAPHORES option, so they both use the same code and > better be cross-linked since sem(4) explains how to turn it on. > >From the first glance I can't determine, is libc implementation better than kernel one or not. BTW, firefox port still recommends sem_load="YES" -- http://ache.vniz.net/
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