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Date:      Fri, 28 Jul 2000 16:13:58 -0400 (EDT)
From:      Daniel Eischen <eischen@vigrid.com>
To:        Archie Cobbs <archie@whistle.com>
Cc:        Doug White <dwhite@resnet.uoregon.edu>, hackers@FreeBSD.ORG
Subject:   Re: kevent()/kqueue() in a multithreaded environment
Message-ID:  <Pine.SUN.3.91.1000728161200.8919A-100000@pcnet1.pcnet.com>
In-Reply-To: <200007281945.MAA26198@bubba.whistle.com>

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On Fri, 28 Jul 2000, Archie Cobbs wrote:
> Doug White writes:
> > You normally wouldn't mix kqueue and threads; you'd use kqueue to
> > *implement* threads. :-)
> > 
> > AFAIK kqueue hasn't been made threadsafe, you'll have to bug
> > jlemon@freebsd.org about it. Patches gladly accepted :)
> 
> I may be just being stupid but I don't understand that last sentence.
> 
> I thought kqueue() and kevent() were system calls... how can they
> not be thread safe?

They really mean "wrapped by the threads library" so that kqueue
doesn't block other threads from running.

-- 
Dan Eischen



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