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Date:      Fri, 06 Jan 2017 22:40:27 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 215836] [PATCH] sbin/dmesg: support new flag for watching messages
Message-ID:  <bug-215836-8-bkjpHRCtyk@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-215836-8@https.bugs.freebsd.org/bugzilla/>
References:  <bug-215836-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D215836

--- Comment #2 from joe@thrallingpenguin.com ---
I agree that kqueue() is a much better solution, but I am met with an error
when trying to open /dev/klog. The details are below. Any assistance on a
solution would be most appreciated!

if ((klog_fd =3D open("/dev/klog", O_RDONLY | O_NONBLOCK | O_CLOEXEC, 0)) <=
 0)
        err(EXIT_FAILURE, "open");

dmesg: open: Device busy

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