From owner-freebsd-hackers@FreeBSD.ORG  Wed Oct  6 17:17:54 2004
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Date: Wed, 6 Oct 2004 13:17:53 -0400
From: Robert Dormer <rdormer@gmail.com>
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References: <FFEC3743-17A3-11D9-BB63-0003938168B2@msys.ch>
Subject: Re: syslog() reentrant when compiling with -pthread?
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For what it's worth, I've used syslog to the *console* before, in a
multithreaded network daemon.  No problems encountered.


On Wed, 6 Oct 2004 16:28:32 +0200, Marc Balmer <marc@msys.ch> wrote:
> Hi
> 
> I am a long time Unix developer but new with FreeBSD. I worked the last
> years mostly with OpenBSD.  First I am overwhelmed by the number of
> mailing lists you guys provide.  Second I am not sure if I picked the
> right one ;-)  So please direct me to the right place if this list is
> only for discussion of FreeBSD system development...
> 
> My question regarding thread-safeness of syslog():  On OpenBSD I used
> syslog_r() to do thread safe logging (the software in question is a
> sendmail milter, which runs multithreaded).  FreeBSD does not have
> these functions, but the cc man page states that compiling with
> "-pthread" links in the thread safe libc_r library instead of libc.  As
> syslog() seems to part of libc on FreeBSD, is it safe to assume that
> syslog() is indeed thread safe on FreeBSD when compiling with the
> -pthread switch?
> 
> Thanks,
> Marc Balmer
> 
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