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 Message-ID: <20030323152534.GA50258@attbi.com> In-Reply-To: <20030323095503.31414.qmail@web41202.mail.yahoo.com> References: <20030323095503.31414.qmail@web41202.mail.yahoo.com>
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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". -- Craig Rodrigues http://home.attbi.com/~rodrigc rodrigc@attbi.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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