1) If a process exits and there are still of that process running, will they continue to run? 2) When a User-level-thread (ULT) executes a system call, why is that thread blocked, but also all the other threads within the process are blocked?
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1) If a process exits and there are still of that process running, will they continue to run?
2) When a User-level-thread (ULT) executes a system call, why is that thread blocked, but also all the other threads within the process are blocked?
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- Correct and detailed Answers will be given Upvoted else down What is the use of Thread synchronization?In execution of a program a new thread (A) is created and begins in the New state. As it requires an input from the user, the schedular is called and changes it into the runnab state. Finally it gets a time slice from the processor but suddenly a new urgent thread (B) appears which needs to be handled by the CPU. Thus, the thread (A) is blocked and moved back to the run queue.We have discussed how each JVM thread can only run one process at a time. To what extent do you believe this to be true for yourself?
- Is it possible for a parent process to wait for the termination of his child process and then to continue working on his own task? How can it be done using threads where a thread could be bound to wait for the termination of another thread and then continue working on his task. Write a piece of code to demonstrate both these cases in a single program. This is the Question from System ProgrammingPreviously, we discussed how each JVM thread can only run a single task at a time. For you, particularly, what evidence do you have to support this assumption?A system provides support for user-level and kernel-level threads. The mapping in this system is one to one (there is a corresponding kernel thread for each user thread). Does a multithreaded process consist of (a) a working set for the entire process or (b) a working set for each thread? Explain.
- Define the cancellation of threads and the thread that will be the target of the cancellation.In this question, assume a standard system with isolation and memory protection. Further assume that the thread abstraction is implemented by the operating system. That is, thread_create() is a system call. 1. What do you think are the differences between the implementation of thread_create(func) and the implementation of fork()? (here, func is the address of the function that the thread should begin at). 2. What do you think are the key differences between the OS's "process" data structure and whatever data structure it uses to implement a thread?Explore the different threading models, such as user-level threads and kernel-level threads. What are the advantages and disadvantages of each?
- Within each thread executing in the JVM, we indicated that only one method may be active at a moment. What makes you believe this is the case?We previously said that each thread operating in the JVM may only have one method active at any one time. What gives you the impression that this is the case?What is the difference between a thread running in user mode and a thread running in the kernel? Do any advantages exist that one species may have over another?