mirror of
https://github.com/reactos/reactos.git
synced 2024-11-16 20:07:14 +00:00
39 lines
1.5 KiB
Text
39 lines
1.5 KiB
Text
Next-Gen (NT 5.2) Executive Locks in NTOSKRNL.
|
|
------------------------------
|
|
1a. Rundown Protection
|
|
USED IN: Thread/Process Ps* Code.
|
|
EXAMPLES: NtSetInformationProcess/Thread, PspCreateThread/Process, PspSuspend/ResumeThread...
|
|
REPLACES: Unlocked access and/or PsLock/UnlockProcess.
|
|
ROS STATUS: Implemented. Code needs cleanup. Not yet tested. Not yet used.
|
|
|
|
1b. Cache-Aware Rundown Protection
|
|
USED IN: Unknown. Functions exported for drivers.
|
|
EXAMPLES: None.
|
|
REPLACES: Nothing.
|
|
ROS STATUS: Unimplemented.
|
|
|
|
2. Guarded Mutex
|
|
USED IN: Configuration Manager, MCB Functions (FsRtl), Binary Hive Module (Hv), PnP (Notifications), LPC, Jobs (Ps), Device Map (Ob), and Memory Management (Address Space/Virtual Memory).
|
|
EXAMPLES: Too many.
|
|
REPLACES: Anything that used FAST_MUTEX.
|
|
ROS STATUS: Implemented, slightly tested; appears to still contain a bug.
|
|
|
|
3. Fast Referencing
|
|
USED IN: Tokens.
|
|
EXAMPLES: R: PsReferencePrimary/EffectiveToken. D: Failure code of anything that calls those two functions.
|
|
REPLACES: Normal referencing.
|
|
ROS STATUS: Hackplemented stubs.
|
|
|
|
4a. Pushlocks
|
|
USED IN: Configuration Manager (Cm), Handle Table (Ex), Binary Hive Module (Hv), Memory Management (Address Space/Virtual Memory), Object Namespace (Directories/Names) (Ob), Impersonation (Ps).
|
|
EXAMPLES: Too many.
|
|
REPLACES: Anything that used ERESOURCE.
|
|
ROS STATUS: Implemented (missing Block/([Timed]Wait)Unblock) and slightly tested.
|
|
|
|
4b. Cache-Aware Pushlocks
|
|
USED IN: AWE (Mm).
|
|
EXAMPLES: None.
|
|
REPLACES: Executive Resources.
|
|
ROS STATUS: Unimplemented.
|
|
|
|
TODO: Kernel Locks (Queued and In-Stack Spinlocks)
|