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| author | jlemon <jlemon@FreeBSD.org> | 2000-09-14 20:10:19 +0000 |
|---|---|---|
| committer | jlemon <jlemon@FreeBSD.org> | 2000-09-14 20:10:19 +0000 |
| commit | 094011d95c4db982956963b5bd9133d7ad4c6b32 (patch) | |
| tree | f307cb61e6c3b0011c7577d35e485d02b2ab5b89 /sys/kern/sys_pipe.c | |
| parent | 14cd23b120034b53d9cbec473fbf1273f3fbd2c2 (diff) | |
| download | FreeBSD-src-094011d95c4db982956963b5bd9133d7ad4c6b32.zip FreeBSD-src-094011d95c4db982956963b5bd9133d7ad4c6b32.tar.gz | |
Pipes are not writeable while a direct write is in progress. However,
the kqueue filter got the sense of the test reversed, so fix it.
Spotted by: Michael Elkins <me@sigpipe.org>
Diffstat (limited to 'sys/kern/sys_pipe.c')
| -rw-r--r-- | sys/kern/sys_pipe.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/sys_pipe.c b/sys/kern/sys_pipe.c index 40d47e4..7600ffd 100644 --- a/sys/kern/sys_pipe.c +++ b/sys/kern/sys_pipe.c @@ -1222,7 +1222,7 @@ filt_pipewrite(struct knote *kn, long hint) return (1); } kn->kn_data = wpipe->pipe_buffer.size - wpipe->pipe_buffer.cnt; - if ((wpipe->pipe_state & PIPE_DIRECTW) == 0) + if (wpipe->pipe_state & PIPE_DIRECTW) kn->kn_data = 0; return (kn->kn_data >= PIPE_BUF); |
