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Restored rev.1.31 which was clobbered by rev.1.69 (the big Lite2

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merge).  This fixes at least hanging in revoke(2) when a somewhat
active slave pty is revoked.  The hang made the window for the
null pointer bug in ufsspec_{read,write} much larger.

There are many other bugs in this area (revoke of an active fifo
at best leaks memory...).
This commit is contained in:
Bruce Evans 1998-12-24 12:07:16 +00:00
parent d26105a9ce
commit 4d94881342
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=42043
2 changed files with 6 additions and 4 deletions
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5
sys/kern/vfs_export.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_subr.c 8.31 (Berkeley) 5/26/95
* $Id: vfs_subr.c,v 1.175 1998/12/21 23:38:33 eivind Exp $
* $Id: vfs_subr.c,v 1.176 1998/12/22 00:44:11 eivind Exp $
*/
/*
@ -47,6 +47,7 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/fcntl.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/malloc.h>
@ -1583,7 +1584,7 @@ vclean(vp, flags, p)
*/
if (active) {
if (flags & DOCLOSE)
VOP_CLOSE(vp, IO_NDELAY, NOCRED, p);
VOP_CLOSE(vp, FNONBLOCK, NOCRED, p);
VOP_INACTIVE(vp, p);
} else {
/*

5
sys/kern/vfs_subr.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_subr.c 8.31 (Berkeley) 5/26/95
* $Id: vfs_subr.c,v 1.175 1998/12/21 23:38:33 eivind Exp $
* $Id: vfs_subr.c,v 1.176 1998/12/22 00:44:11 eivind Exp $
*/
/*
@ -47,6 +47,7 @@
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/fcntl.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/malloc.h>
@ -1583,7 +1584,7 @@ vclean(vp, flags, p)
*/
if (active) {
if (flags & DOCLOSE)
VOP_CLOSE(vp, IO_NDELAY, NOCRED, p);
VOP_CLOSE(vp, FNONBLOCK, NOCRED, p);
VOP_INACTIVE(vp, p);
} else {
/*