Answered: To build shared memory between two…

To build shared memory between two processes, explain why system calls are necessary. Do you need to make system calls to share memory amongst several threads of a single process?

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter13: Internet And Distributed Application Services

Section: Chapter Questions

Problem 24VE

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To build shared memory between two processes, explain why system calls are necessary.
Do you need to make system calls to share memory amongst several threads of a single process?

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Explain the need of using system calls in order to create shared memory between two processes...To share memory amongst several threads of a single process, do you need to perform system calls or is there another way?
There has to be a comparison and contrast between process scheduling and thread scheduling.
Rather than storing the structures in shared memory, it would be preferable to retain them in the local memory of each process and make them accessible via interprocess communication. I was curious about the faults of such a layout.
Think about a difficulty that arises as a consequence of the fact that the operating system of a computer uses several processing threads at the same time.
It was pointed out that two advantages of using multiple threads within a process are that (1) less work is involved in creating a new thread within an existing process than in creating a new process, and (2) communication among threads within the same process is simplified. Is it also the case that a mode switch between two threads within the same process involves less work than a mode switch between two threads in different processes?
It is possible to build a system in which shared structures are stored in the local memory of each process and accessible through interprocess communication. What are some of the shortcomings in the design?
Process and thread scheduling should be compared and contrasted.
Because system calls are essential to construct shared memory between two processes, explain this.Is it necessary to use system calls to share memory amongst several threads of a single process?
You should look at the scheduling of threads in addition to comparing and contrasting the parallels and divergences that may be found in processes and threads.
Study the scheduling of threads and compare and contrast them with processes.
It is possible to build a system in which shared structures are stored in the local memory of each process and accessible via interprocess communication. This kind of system has been shown to be practical. What are some of the problems with the overall design?
What are the similarities and differences between processes and individual threads when it comes to thread scheduling?