2006-05-09 00:48:10 +08:00
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Next-Gen (NT 5.2) Executive Locks in NTOSKRNL.
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1a. Rundown Protection
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USED IN: Thread/Process Ps* Code.
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EXAMPLES: NtSetInformationProcess/Thread, PspCreateThread/Process, PspSuspend/ResumeThread...
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REPLACES: Unlocked access and/or PsLock/UnlockProcess.
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ROS STATUS: Implemented. Code needs cleanup. Not yet tested. Not yet used.
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1b. Cache-Aware Rundown Protection
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USED IN: Unknown. Functions exported for drivers.
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EXAMPLES: None.
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REPLACES: Nothing.
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ROS STATUS: Unimplemented.
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2. Guarded Mutex
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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).
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EXAMPLES: Too many.
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REPLACES: Anything that used FAST_MUTEX.
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ROS STATUS: Implemented, slightly tested; appears to still contain a bug.
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3. Fast Referencing
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USED IN: Tokens.
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EXAMPLES: R: PsReferencePrimary/EffectiveToken. D: Failure code of anything that calls those two functions.
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REPLACES: Normal referencing.
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ROS STATUS: Hackplemented stubs.
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4a. Pushlocks
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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).
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EXAMPLES: Too many.
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REPLACES: Anything that used ERESOURCE.
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ROS STATUS: Implemented (missing Block/([Timed]Wait)Unblock) and slightly tested.
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4b. Cache-Aware Pushlocks
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USED IN: AWE (Mm).
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EXAMPLES: None.
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REPLACES: Executive Resources.
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ROS STATUS: Unimplemented.
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2013-02-17 23:06:22 +08:00
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TODO: Kernel Locks (Queued and In-Stack Spinlocks)
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