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What are the requirements for achieving a solution in process synchronization? 1. Two processes can never be simultaneously in their critical reg...

What are the requirements for achieving a solution in process synchronization?


1. Two processes can never be simultaneously in their critical regions.
2. Nothing can be said about the speed or number of CPUs.
3. A process executing outside its critical section cannot block other processes.
4. No process should wait forever to enter its critical section.

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Tema 2 Fundamentos de Computação Paralela
66 pág.

Sistemas Distribuídos Universidade Estácio de SáUniversidade Estácio de Sá

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The requirements for achieving a solution in process synchronization are: 1. Mutual Exclusion: Only one process can be in its critical region at a time. This ensures that concurrent access to shared resources does not lead to inconsistencies. 2. Progress: If no process is in its critical region and there are processes that wish to enter their critical regions, the selection of the process that will enter next should be made in a fair manner. This prevents starvation and ensures that all processes eventually get a chance to enter their critical regions. 3. Bounded Waiting: There should be a limit on the number of times other processes can enter their critical regions before a process that is waiting to enter its critical region is allowed to do so. This prevents indefinite postponement and ensures that no process waits forever to enter its critical section. These requirements help in achieving synchronization between processes and ensuring that they can safely access shared resources without conflicts.

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