DragonFly-2.3.1.566.g0a4a9c master sys/kern kern_descrip.c kern_
commit 0a4a9c77c8050921de07a2085cd6de5fe83db343
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date: Thu Jul 2 12:02:17 2009 -0700
file descriptor enumeration - Fix races
Add a soft refrence count, fd_softrefs, to struct filedesc. This is
used to prevent the filedesc from being ripped out from under a file
descriptor scan via the allproc scan, which is used to enumerate
file descriptors and also used by the revoke code.
Reported-by: hasso
Summary of changes:
sys/kern/kern_descrip.c | 63 +++++++++++++++++++++++++++++++++++++++++-----
sys/kern/kern_exec.c | 3 +-
sys/kern/kern_exit.c | 3 +-
sys/kern/kern_fork.c | 6 +---
sys/kern/vfs_aio.c | 3 +-
sys/sys/filedesc.h | 3 +-
6 files changed, 63 insertions(+), 18 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/0a4a9c77c8050921de07a2085cd6de5fe83db343
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