On Wed, Aug 01, 2007 at 10:56:26AM -0700, Bryan Vyhmeister wrote: > On Aug 1, 2007, at 10:37 AM, Quentin Garnier wrote: > > >On Wed, Aug 01, 2007 at 07:01:35PM +0200, Quentin Garnier wrote: > >[...] > >>Which does look like what is experienced here. Now, I don't know > >>if we > >>can locate easily what fix needs to be applied to OpenBSD. > > > >Check if this applies to OpenBSD: > > > >http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/kern/sys_pipe.c.diff? > >r1=1.65&r2=1.66&f=h > > From looking at: > > http://www.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/ > sys_pipe.c?rev=1.51&content-type=text/plain > > I can't quite tell. There are significant differences. I'll have to > take a closer look after a work engagement.
Well, the problem is Christos did some other stuff in that commit than just fixing the bug. Try the attached patch. -- Quentin Garnier - [EMAIL PROTECTED] - [EMAIL PROTECTED] "You could have made it, spitting out benchmarks Owe it to yourself not to fail" Amplifico, Spitting Out Benchmarks, Hometakes Vol. 2, 2005.
--- sys_pipe.c.orig 2006-11-17 10:21:52.000000000 +0100
+++ sys_pipe.c 2007-08-01 20:08:09.000000000 +0200
@@ -735,9 +735,10 @@
* If the other side is blocked, wake it up saying that
* we want to close it down.
*/
+ cpipe->pipe_state |= PIPE_EOF;
while (cpipe->pipe_busy) {
wakeup(cpipe);
- cpipe->pipe_state |= PIPE_WANT | PIPE_EOF;
+ cpipe->pipe_state |= PIPE_WANT;
tsleep(cpipe, PRIBIO, "pipecl", 0);
}
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