Wednesday, 12 July 2017

lock Statement- C#

The lock keyword marks a statement block as a critical section by obtaining the mutual-exclusion lock for a given object, executing a statement, and then releasing the lock. The following example includes a lock statement.

class Account { decimal balance; private Object thisLock = new Object(); public void Withdraw(decimal amount) { lock (thisLock) { if (amount > balance) { throw new Exception("Insufficient funds"); } balance -= amount; } } }

Remarks

The lock keyword ensures that one thread can not enter in a critical section of code while another thread is in the critical section. If another thread tries to enter a locked code, it will wait, block, until the object is released.

References: click here

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