Date: Wed, 23 Apr 2003 08:58:41 +0400 (MSD) From: Maxim Konovalov <maxim@macomnet.ru> To: Andre Guibert de Bruet <andy@siliconlandmark.com> Cc: doc@freebsd.org Subject: Re: Posix semaphore problem (fwd) Message-ID: <20030423085802.R26549@news1.macomnet.ru> In-Reply-To: <20030422204821.T59991@alpha.siliconlandmark.com> References: <20030422204821.T59991@alpha.siliconlandmark.com>
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On 20:53-0400, Apr 22, 2003, Andre Guibert de Bruet wrote: > Hi, > > The attached message is from current@. On 5-CURRENT, there is no "sem" > kld. The closest kld by name is sysvsem.ko but a grep on the output of > strings for "sem_open" doesn't return anything. Any ideas? cd /sys/modules/sem/ && make && make load > Please CC me, as I'm not subscribed to doc@. > > Regards, > > > Andre Guibert de Bruet | Enterprise Software Consultant > > > Silicon Landmark, LLC. | http://siliconlandmark.com/ > > > ---------- Forwarded message ---------- > Date: Sun, 23 Mar 2003 10:25:34 -0500 > From: Craig Rodrigues <rodrigc@attbi.com> > To: Hongbo Li <stevensbsd@yahoo.com> > Cc: current@FreeBSD.ORG > Subject: Re: Posix semaphore problem > > On Sun, Mar 23, 2003 at 01:55:03AM -0800, Hongbo Li wrote: > > I just run a example program from the book unp2v2 > > written W.Richard Stevens. The program includes a call > > to sem_open. The compilation was ok. But when I run it > > on FreeBSD 5-current(recent),the system print "Bad > > system call (core dumped)". The program code : > > I get the same problem. Read the man page for sem(4) which > explains the kernel option or kernel module that needs > to be used for POSIX semaphores to work. > > However, I am not sure that this man page is entirely correct, > since if I do: > > kldload sem > > I get "No such file or directory". > > > -- Maxim Konovalov, maxim@macomnet.ru, maxim@FreeBSD.org
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