Use ReaderWriter Lock in C#

ReaderWriterLock synchronize access to a resource.

A ReaderWriterLock has better throughput than a Monitor, which is one-at-a-time lock. This works for a situation when a resource is changed rarely.

Let us see how to declare a ReaderWriter lock in C# −

static ReaderWriterLock r = new ReaderWriterLock();

The following are the properties of a ReaderWriter lock in C# −

Sr.No.	Property & Description
1	IsReaderLockHeld Gets a value indicating whether the current thread holds a reader lock.
2	IsWriterLockHeld Gets a value indicating whether the current thread holds a Writer lock.
3	WriterSeqNum Current sequence number

Sr.No.

Property & Description

IsReaderLockHeld

Gets a value indicating whether the current thread holds a reader lock.

IsWriterLockHeld

Gets a value indicating whether the current thread holds a Writer lock.

WriterSeqNum

Current sequence number

The following are some of the methods of ReaderWriter lock −

Sr.No.	Method & Description
1	AcquireReaderLock(TimeSpan) Acquires a reader lock, using a TimeSpan value for the time-out.
2	AcquireWriterLock(TimeSpan) Acquires a Writer lock, using a TimeSpan value for the time-out.
3	Equals(Object) Determines whether the specified object is equal to the current object.(Inherited from Object.)
4	GetHashCode() Default hash
5	GetType() Type of the current instance
6	ReleaseReaderLock() Lock Count decrements

Published on 21-Aug-2018 13:04:31