Date: Thu, 15 Aug 2002 16:30:03 -0700 (PDT) From: Nate Lawson <nate@root.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/36219: poll() behaves erratic on BPF file descriptors. Message-ID: <200208152330.g7FNU3IS043435@freefall.freebsd.org>
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The following reply was made to PR kern/36219; it has been noted by GNATS.
From: Nate Lawson <nate@root.org>
To: freebsd-gnats-submit@FreeBSD.org, vlm@netli.com, gad@freebsd.org
Cc: bde@freebsd.org
Subject: Re: kern/36219: poll() behaves erratic on BPF file descriptors.
Date: Thu, 15 Aug 2002 16:20:34 -0700 (PDT)
I looked over the current state of bpf.c and it seems like this PR can be
closed. Comments?
if (events & (POLLIN | POLLRDNORM)) {
/*
* An imitation of the FIONREAD ioctl code.
* XXX not quite. An exact imitation:
*if (d->b_slen != 0 ||
* (d->bd_hbuf != NULL && d->bd_hlen != 0)
*/
if (d->bd_hlen != 0 ||
((d->bd_immediate || d->bd_state == BPF_TIMED_OUT) &&
d->bd_slen != 0))
revents |= events & (POLLIN | POLLRDNORM);
else {
-Nate
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