DtIpcRdWrLock__rti__ Class Reference

Platform independent read-lock / write-lock. More...

Inheritance diagram for DtIpcRdWrLock__rti__:

Collaboration diagram for DtIpcRdWrLock__rti__:

Public Member Functions
	DtIpcRdWrLock__rti__ (pthread_rwlock_t *sharedLock)
	constructor
virtual	~DtIpcRdWrLock__rti__ ()
	destructor
virtual void	init ()
	initialize the locking mechanism attributes
virtual void	destroy ()
	destroy the lock
Public Member Functions inherited from DtRdWrLock__rti__
	DtRdWrLock__rti__ ()
	default constructor
virtual	~DtRdWrLock__rti__ ()
	destructor
virtual int	wrLock ()
	lock the protected resource for writing. Return 0 if lock acquired.
virtual int	rdLock ()
	lock the protected resource for reading. Return 0 if lock acquired.
virtual int	wrUnlock ()
	unlock the write-lock on the protected resource.
virtual int	rdUnlock ()
	unlock the read-lock on the protected resource.

Additional Inherited Members
Protected Member Functions inherited from DtRdWrLock__rti__
	DtRdWrLock__rti__ (const DtRdWrLock__rti__ &orig)
	copy constructor
const DtRdWrLock__rti__ &	operator= (const DtRdWrLock__rti__ &orig)
	assignment operator
Protected Attributes inherited from DtRdWrLock__rti__
volatile long	readers
	The Win32 implementation uses two counters and the Interlocked Variable Access facility to create a lightweight locking mechanism.
volatile long	writers
pthread_rwlock_t	myPtLock
pthread_rwlock_t *	myLock

Detailed Description

Platform independent read-lock / write-lock.

instances of DtIpcRdWrLock are used to provide a platform independent read-lock / write-lock mechanism for use by threads of different processes.

Constructor & Destructor Documentation

DtIpcRdWrLock__rti__::DtIpcRdWrLock__rti__

(

pthread_rwlock_t *

sharedLock

)

constructor

References DtRdWrLock__rti__::myLock.

DtIpcRdWrLock__rti__::~DtIpcRdWrLock__rti__ ( )

virtual

destructor

References DtRdWrLock__rti__::readers.

Member Function Documentation

void DtIpcRdWrLock__rti__::destroy ( )

virtual

destroy the lock

Reimplemented from DtRdWrLock__rti__.

References DtRdWrLock__rti__::myLock, and DtRdWrLock__rti__::readers.

Referenced by DtSmSubscribableMessageQueue__rti__::clearSyncVars().

void DtIpcRdWrLock__rti__::init ( )

virtual

initialize the locking mechanism attributes

Reimplemented from DtRdWrLock__rti__.

References DtRdWrLock__rti__::myLock.

Referenced by DtSmSubscribableMessageQueue__rti__::initSyncVars().

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The documentation for this class was generated from the following files:

• vlIpcRdWrLock__rti__.h
• vlIpcRdWrLock__rti__.cxx