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Explain the Thread Contextual Data
Threads in Net Ware carry additional context as well. Per-thread, stacks, errno, Net Ware Errno, t_errno and others are available to the application developer. In addition, Net-Ware provides a two fold mechanism for application per-thread data management. First, Net Ware provides a set of calls, Save ThreadDataAreaPtr() and GetThreadDataAreaPtr, to manage per-thread contextual data. Theae functions are used to store and retrieve, respectively, per-thread user data and may be called anywhere in an application program.
In addition, the thread contextual data managed via the above functions can be accessed through use of the get_thread_data_area_ptr( ) macro defined in library.h. This macro is used to access the thread contextual data and can be called as an LVALUE to an equation. This macro can be altered to allow a programmer to user the function as a 4-byte entity in any equation or instruction.
What does Verification represent? Verification shows the set of activities that are carried out to confirm that the software correctly executes the specific functionality.
What is area moment
Explain the Real Time Operating System A real-time operating system comprises definite, fixed time constraints. Processing should be done in the defined constraints, or the sys
How is a process chosen for being swapped either in or out? Swap out: a. If the process is idle. b. If process has been in main memory for a long time.
(a) Describe services of operating systems. (b) Differentiate among the short term, medium term and long term scheduling that are given by multi-tasking operating systems.
You have a system with two primary workloads. One performs sequential access to a set of large files, the other performs small, independent, random reads to a separate set of large
difference between soft link and hard links
We have stressed the need for an operating system to make efficient use of the computing hardware. When is it appropriate for the operating system to forsake this principle and to
Q. Regard as a logical address space of eight pages of 1024 words every mapped onto a physical memory of 32 frames. a. How several bits are there in the logical address? b. H
Explain about threading issues? The fork and exec system calls In a multithreaded program of few UNIX systems have chosen to have two versions of fork, one that duplicates e
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