How do you solve a reader writer problem?
To solve this situation, a writer should get exclusive access to an object i.e. when a writer is accessing the object, no reader or writer may access it. However, multiple readers can access the object at the same time.
How can starvation occur in the readers and writers problem?
This can cause starvation if there are writers waiting to modify the resource and new readers arrive all the time, as the writers will never be granted access as long as there is at least one active reader. Give writers priority: here, readers may starve.
What is Reader Writer problem in Blockchain?
In computer science, the readers–writers problems are examples of a common computing problem in concurrency. There are at least three variations of the problems, which deal with situations in which many concurrent threads of execution try to access the same shared resource at one time.
What is the difference between the first readers-writers problem and the second readers-writers problem?
The first readers-writers problem requires that no reader will be kept waiting unless a writer has already obtained permission to use the shared database; whereas the second readers-writers problem requires that once a writer is ready, that writer performs its write as soon as possible.
How many writers may concurrently share the database with the readers Writers problem?
readers-writers problem? Only one writer may have access to the database at a time.
How does a writer prevent another writer from entering the critical section?
The wait(writer) function is called so that it achieves the mutual exclusion. The wait() function will reduce the writer value to “0” and this will block other processes to enter into the critical section.
How many writers may concurrently share the database with the readers-Writers problem?
How many writers may concurrently share the database with the readers-writers problem?
What three conditions must be satisfied in order to solve the critical section problem explain each one briefly?
Three must rules which must enforce by critical section are : 1) Mutual Exclusion 2) Process solution 3)Bound waiting. Mutual Exclusion is a special type of binary semaphore which is used for controlling access to the shared resource.