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Q. Explain some of the ways an application can use memory via the Win32 API.
Answer: (1) Virtual memory offers several functions that allow an application to reserve and release memory and specifying the virtual address at which the memory is allocated.
(2) A file possibly memory mapped into address space providing a means for two processes to share memory.
(3) When a Win32 procedure is initialized it is created with a default heap. Private heaps is able to be created that provide regions of reserved address space for applications. Thread management functions are offers to allocate and control thread access to private heaps.
(4) A thread-local storage mechanism offers a way for global and static data to work properly in a multithreaded environment. Thread-lock storage assign global storage on a per-thread basis.
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Another solution then would be to keep a pool of threads. Whenever a new task arrives, the system would simply get a thread from pool and set that thread to work on the given task.
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Q. How does the distinction among kernel mode and user mode function as a rudimentary form of protection (security) system? Answer: The distinction among kernel mode and user m
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Construct a process tree similar to Figure 1. Look up the Linux command pstree -p and describe what it does. Then type in the command the capture the output.
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