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18 Commits

Author SHA1 Message Date
cognet
3b19c338be Backout rev 1.17, msleep() can't be used with a spinlock. 
Pointy hat to:	cognet
 2007-03-06 12:08:38 +00:00
wkoszek
65aac5f5dd Use msleep(9) instead of tsleep(9) surrounded by lock acquisition and 
release.

Approved by:	cognet (mentor)
 2007-03-04 23:40:35 +00:00
rwatson
7beaaf5cd2 Complete break-out of sys/sys/mac.h into sys/security/mac/mac_framework.h 
begun with a repo-copy of mac.h to mac_framework.h.  sys/mac.h now
contains the userspace and user<->kernel API and definitions, with all
in-kernel interfaces moved to mac_framework.h, which is now included
across most of the kernel instead.

This change is the first step in a larger cleanup and sweep of MAC
Framework interfaces in the kernel, and will not be MFC'd.

Obtained from:	TrustedBSD Project
Sponsored by:	SPARTA
 2006-10-22 11:52:19 +00:00
jhb
44f0d9f519 - Conditionalize Giant around VFS operations for ALQ, ktrace, and 
generating a coredump as the result of a signal.
- Fix a bug where we could leak a Giant lock if vn_start_write() failed
  in coredump().

Reported by:	jmg (2)
 2006-03-28 21:30:22 +00:00
pjd
26c98c76f9 Grr. Backout previous change. vn_open_cred() will call NDFREE() on failure. 2006-01-27 11:25:06 +00:00
pjd
bc66ded70e Don't forget to call NDFREE(9) in case of vn_open_cred() failure. 
MFC after:	3 days
 2006-01-27 11:19:53 +00:00
rwatson
04a7b2d379 Modify the alq(9) alq_open() API to accept a file creation mode, rather 
than defaulting the cmode argument to vn_open() to 0.  Supply a default
argument of ALQ_DEFAULT_CMODE (0600) in current callers.

Discussed with/pointed out by:	hmp
Reveiwed by:	jeff, hmp
MFC after:	3 days
 2005-04-16 12:12:27 +00:00
imp
20280f1431 /* -> /*- for copyright notices, minor format tweaks as necessary 2005-01-06 23:35:40 +00:00
rwatson
723804b261 Allow MAC policies to block/revoke kern_alq write access to a file. 
Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, Network Associates Laboratories
Reviewed by:	jeff
 2003-10-25 16:10:41 +00:00
phk
d4d7ca154a Add fdidx argument to vn_open() and vn_open_cred() and pass -1 throughout. 2003-07-27 17:04:56 +00:00
rwatson
bf6f6091a4 Add an explicit credential argument to alq_open() to allow the caller to 
specify what credential to use when authorizing vn_open() and later
write operations, rather than curthread->td_ucred.

When writing KTR traces to an ALQ, specify the credential of the thread
generating the sysctl request.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, Network Associates Laboratories
 2003-06-22 22:28:56 +00:00
obrien
3b8fff9e4c Use __FBSDID(). 2003-06-11 00:56:59 +00:00
jeff
a4b79b551b - Reset the free ent to NULL if we have consumed the last free entry. This 
fixes a problem where we would overwrite old data if we ran out of free
   entries.

Submitted by:	sam
Approved by:	re (scottl)
 2003-05-25 08:48:42 +00:00
imp
cf874b345d Back out M_* changes, per decision of the TRB. 
Approved by: trb
 2003-02-19 05:47:46 +00:00
alfred
bf8e8a6e8f Remove M_TRYWAIT/M_WAITOK/M_WAIT. Callers should use 0. 
Merge M_NOWAIT/M_DONTWAIT into a single flag M_NOWAIT.
 2003-01-21 08:56:16 +00:00
jeff
536752d481 - Export the alq daemon thread pointer. 
- Don't log ktr events from the alq daemon.
 2002-09-26 07:38:56 +00:00
jeff
4b760e8f27 - Hold the credential of the caller and use it in all subsequent vn ops. 
- Get rid of the ill conceived aq_td field.

Suggested by:	rwatson
 2002-09-23 05:20:00 +00:00
jeff
ac508fd5a5 - Add an asynchronous fixed length record logging mechanism called 
ALQ (Asynch. Logging Queues).  ALQ supports many seperate queues with
   different record and buffer sizes.  It opens and logs to any vnode so
   it can be used with character devices as well as regular files.

Reviewed in part by:	phk, jake, markm
 2002-09-22 07:11:14 +00:00