By Mark E. Russinovich
Delve contained in the home windows kernel with famous internals specialists Mark Russinovich and David Solomon, in collaboration with the Microsoft home windows product improvement group. This vintage guide—fully up to date for home windows Server 2003, home windows XP, and home windows 2000, together with 64-bit extensions—describes the structure and internals of the home windows working approach. You’ll locate hands-on experiments you should use to adventure home windows inner habit firsthand, besides complicated troubleshooting info that will help you continue your structures operating easily and successfully. no matter if you’re a developer or a procedure administrator, you’ll locate severe architectural insights so you might quick observe for higher layout, debugging, functionality, and support.
Get in-depth, within wisdom of the home windows working system:
- Understand the most important mechanisms that configure and keep watch over home windows, together with dispatching, startup and shutdown, and the registry
- Explore the home windows defense version, together with entry, privileges, and auditing
- Investigate inner process structure utilizing the kernel debugger and different tools
- Examine the information constructions and algorithms that care for techniques, threads, and jobs
- Observe how home windows manages digital and actual memory
- Understand the operation and layout of NTFS, and troubleshoot dossier approach entry problems
- View the home windows networking stack from most sensible to backside, together with mapping, APIs, identify solution, and protocol drivers
- Troubleshoot boot difficulties and practice crash analysis
Read Online or Download Microsoft windows internals, fourth edition : Microsoft Windows Server 2003, Windows XP, and Windows 2000 PDF
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Extra resources for Microsoft windows internals, fourth edition : Microsoft Windows Server 2003, Windows XP, and Windows 2000
Sample text
Read-only pages (such as those that contain executable code) are not writable from any mode. Windows doesn't provide any protection to private read/write system memory being used by components running in kernel mode. In other words, once in kernel mode, operating system and device driver code has complete access to system space memory and can bypass Windows security to access objects. Because the bulk of the Windows operating system code runs in kernel mode) it is vital that components that run in kernel mode be carefully designed and tested to ensure that they don't violate system security.
The operating system traps this instruction, notices that a system service is being requested, validates the arguments the thread passed to the system function, and then executes the internal function. Before returning control to the user thread, the processor mode is switched back to user mode. In this way, the operating system protects itself and its data from perusal and modification by user processes. Note A transition from user mode to kernel mode (and back) does not affect thread scheduling per se-a mode transition is not a context switch.
The volatile registers, stacks, and private storage area are called the thread's context. Because this information is different for each machine architecture that Windows runs on, this structure, by necessity, is architecture-specific. The Windows GetThreadContext function provides access to this architecture-specific information (called the CONTEXT block). Chapter 1: Concepts and Tools 13 Fibers vs. Threads Fibers allow an application to schedule its own "threads" of execution rather than rely on the priority-based scheduling mechanism built into Windows.