#include <cel_rwlock.h>

Public Member Functions
	ReaderWriterLock ()

	~ReaderWriterLock ()

void	lockForRead ()

void	lockForWrite ()

void	unlock ()

Detailed Description

This class implements typical Reader-Writer lock. The Reader-Writer lock is used in the situation which meets the following conditions:

Protect some shared object
The object accepts both of read and write accesses.
No readers are accepted during a writer is working.
If there is no writer, several readers can be accepted at a time.

You can use this class as auto variable like the following code:

ReaderWriterLock g_rwlock;
SomeSharedObject g_something; // some shared object
void writeFunc()
{
    WriterLock lock(g_rwlock);
    // write access
    g_something.do_something_like_write(...);
}
void readFunc()
{
    ReaderLock lock(g_rwlock);
    // read-only access
    g_something.do_something_like_read(...);
}