Lock Break Statement Of Work For Free

A mutex is a mutual exclusion lock. Only one thread can hold the lock. Mutexes are used to protect data or other resources from concurrent access. A mutex has attributes, which specify the characteristics of the mutex.

The lock statement ensures that at maximum only one thread executes its body at any time moment. Since the code uses a try-finally statement, the lock is released even if an exception is thrown within the body of a lock statement. You can't use the await expression in the body of a lock statement.

The use of mutex locks is very easy. First, we need to declare a lock variable of type Mutex. Second, before entering the critical section that is protected by that lock, execute the Lock() method of that lock. Third, before exiting the critical section, execute the Unlock() method of the lock.

Do as little work as possible while locking a particular object. Locks that are held for a long time are subject to contention, and contention is slow.

To implement a lock, the OS needs a way to ensure that a process will be able to run a critical section where it can access some shared data without another process modifying the data at the same time. No matter how an OS chooses to implement locks, it must have some hardware support.

The lock keyword is used to get a lock for a single thread. A lock prevents several threads from accessing a resource simultaneously. Typically, you want threads to run concurrently. Using the lock in C#, we can prevent one thread from changing our code while another does so.

Lock in C# The object_name represents the name of the object on which the lock must be acquired. The statement_block refers to the block of code that will be executed once the lock is successfully acquired on a particular thread.