ReadWriteMutex Class Reference

Synchronisation device similar to a POSIX rwlock. More...

#include <cxxtools/mutex.h>

Inheritance diagram for ReadWriteMutex:

List of all members.

Public Member Functions
	ReadWriteMutex ()
	Creates the Reader/Writer lock.
	~ReadWriteMutex ()
	Destroys the Reader/Writer lock.
void	readLock ()
bool	tryReadLock ()
	Acquires a read lock.
void	writeLock ()
	Acquires a write lock.
bool	tryWriteLock ()
	Tries to acquire a write lock.
void	unlock ()
	Releases the read or write lock.
bool	unlockNoThrow ()

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Detailed Description

A ReadWriteMutex allows multiple concurrent readers or one exclusive writer to access a resource.

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Member Function Documentation

bool tryReadLock

(

)

If another thread currently holds a write lock, this method waits until the write lock is released.

void writeLock

(

)

If one or more other threads currently hold locks, this method waits until all locks are released. The results are undefined if the same thread already holds a read or write lock.

bool tryWriteLock

(

)

Immediately returns true if successful, or false if one or more other threads currently hold locks. The result is undefined if the same thread already holds a read or write lock.