What conditions are necessary for a deadlock? lock holds a resource for 1 process a thread does not have all needed resources thus waiting on one or more resources to proceed a semaphore the next thread is holding the previous threads needed resource and this repeats in a circular fashion a single resource (e.g one printer) thread controls resource once it acquires it and no other thread can take it away
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- Threads are regarded as "lightweight" processes for several reasons. What are the prerequisites for creating a new thread? They are used differently from the ones employed to build a procedure.• A Thread creates 5 Threads. Thread 1 is created first, Thread 2 is created second, Thread 3 is created third and so on. Assume FIFO to be the scheduling policy. Each thread prints the sequence number of its creation. Write the code that will print exactly the following: I am Thread 5, I was created at number 5 I am Thread 3, I was created at number 3 • I am Thread 4, I was created at number 4 • I am Thread 1, I was created at number 1 • I am Thread 2, I was created at number 2 14 = Notes CommentsQUESTION 17 Thread-local storage is data that OA) is not associated with any process OB) has been modified by the thread, but not yet updated to the parent process OC) is generated by the thread independent of the thread's process OD) is unique to each thread QUESTION 18 In multithreaded programs, the kernel informs an application about certain events using a procedure known as a(n) OA) signal OB) upcall OC) event handler O D) pool Click Save and Submit to save and submit. Click Save All Answers to save all answers. Q Search
- 15. It is also known that user credentials may be available in a remote database. The wanted user credentials need to be downloaded from a remote database. While the main thread executing the local processing, because an external database is accessed over the Internet, data accessing is executed in another thread. As the remote data is downloaded in a thread, the data needs to be passed back to the main thread. The following statement ensures that the main thread is updated on the main queue. DispatchQueue._______._______ { // do something here }A reusable resource is one that: A Can be used by one process at a time and is not depleted by that use. B Can be used by more than one process at a time. C Can be shared between various threads. D All of the above.Question: 1 Create 4 threads extending Thread class. Show the names of those threads. Rename them using proper method. Find out the default priorities they have and then set the priorities of them starting with zero. Like thread-0 will have priority 1. Then find the min and max priorities. Each of the threads needs to perform the following tasks. Thread-0 will print all the even numbers in between 1 and 100. Thread-1 will Tt all the odd numbers in between 1 and 100. Thread-2 will find the numbers divisible by 5 between 1 and 100. Thread-3 will check the number taken as input is prime or not.
- Write program for the following Create a child thread class for sorting an array of 10000 size string values Create a child class for calculating factorial of 50 Create a child thread class for calculating base b to the power p Create a single object of each thread in the main thread, and stop the execution of main thread until the termination of all child threads using join methodDeadlock: situation in which a set of threads/processes cannot proceed because each requires resources held by another member of the set. Select one: True FalseWhen you start a new thread, it automatically multiplies by five. Thread 1 is formed initially, followed by Thread 2, and so on.... Assume that the scheduling policy is FIFO, and proceed as if it is. The sequence number of each thread is printed on it. This is the code that should be written to produce the following: Thread 5 is my name, and I was the fifth one ever made. Thread 3 is my name, and I was the third one ever made. Among the many threads that have been established, I am Thread 4, the fourth one. Among the many threads that have been produced, I am Thread 1, the first. 14 = Notations and Remarks
- A deadlock condition can occur in concurrent code if two or more threads each hold a resource and are waiting for another thread to release a resource they need to proceed. Question 10 options: True FalseProcesses and Threads 7. 1 System: 2 3 // create semaphore and initialize value to 1 4 Semaphore occupied = new Semaphore (1); 5 startThreads(); // initialize and launch both threads 6 7 8 Thread T 9 10 void main() 11 { 12 while (!done) { 13 14 PC occupied ); // wait // critical section code 15 16 17 18 19 20 21 22 } // Thread TX V occupied ); // signal // code outside critical section } // end while 1 2 3 // create semaphore and initialize value to 1 4 Semaphore occupied = new Semaphore (1); 5 System: 6 startThreads(); // initialize and launch both threads 7 8 Thread T 9 10 11 12 13 14 15 16 17 18 19 void main() { while (!done) { PC occupied ); // wait // critical section code V occupied ); // signal // code outside critical section } // end while 20 21 22 } // Thread TX Assuming that P(occupied) and V(occupied) each takes 1 ms and critical section consists of 4 instructions cr1, cr2, cr3, and cr4 of equal instruction time adding up to 1 ms and noncritical section consists of 4…In the one-to-one threading model, when a thread makes a blocking system call ... O only the main thread of this process can be executed O only one other thread can be executed O other threads of this process can still be executed O the whole process will block