d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Ack! Fix excessive cut/paste blunder during poll mods. Who had the

Browse Source 
pointy hat last? :-]

When one is selecting (or polling) for write, it helps if we use the
write side of the pipe when requesting wakeups instead of the read side.
This broke ghostview (at least) - I'm suprised it wasn't noticed for
so long.

Reviewed by:  Greg Lehey <grog@lemis.com>
This commit is contained in:
Peter Wemm 1997-10-06 08:30:08 +00:00
parent 6593be6011
commit 115526d03e
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/kern/sys_pipe.c
View File

@ -16,7 +16,7 @@
* 4. Modifications may be freely made to this file if the above conditions
* are met.
*
* $Id: sys_pipe.c,v 1.32 1997/09/02 20:05:53 bde Exp $
* $Id: sys_pipe.c,v 1.33 1997/09/14 02:43:25 peter Exp $
*/
/*
@ -1002,8 +1002,8 @@ pipe_poll(fp, events, cred, p)
}
if (events & (POLLOUT | POLLWRNORM)) {
selrecord(p, &rpipe->pipe_sel);
rpipe->pipe_state |= PIPE_SEL;
selrecord(p, &wpipe->pipe_sel);
wpipe->pipe_state |= PIPE_SEL;
}
}