osg::PThreadLockBase Class Reference
[Multithreading]

#include <OSGLock.h>

Inheritance diagram for osg::PThreadLockBase:

List of all members.

Class Specific
Char8 *	_szName
static MPType	_type
Public Member Functions
Get
virtual MPType &	getType (void)
virtual const MPType &	getType (void) const
UInt32	getTypeId (void)
const Char8 *	getCName (void) const
Reference Counting
void	addRef (void)
void	subRef (void)
Int32	getRefCount (void)
Static Public Member Functions
Class Get
static const MPType &	getStaticType (void)
static UInt32	getStaticTypeId (void)
Protected Types
typedef LockCommonBase	Inherited
Protected Member Functions
Constructors
	PThreadLockBase (void)
	PThreadLockBase (const Char8 *szName, UInt32 uiId)
Destructor
virtual	~PThreadLockBase (void)
Construction
bool	init (void)
Destruction
void	shutdown (void)
Lock
void	aquire (void)
void	release (void)
bool	request (void)
Protected Attributes
UInt32	_uiLockId
Private Member Functions
	PThreadLockBase (const PThreadLockBase &source)
	prohibit default function (move to 'public' if needed)
void	operator= (const PThreadLockBase &source)
	prohibit default function (move to 'public' if needed)
Private Attributes
pthread_mutex_t	_pLowLevelLock
Friends
class	LockPool

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Detailed Description

Definition at line 131 of file OSGLock.h.

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Member Typedef Documentation

typedef LockCommonBase osg::PThreadLockBase::Inherited [protected]

Reimplemented from osg::LockCommonBase.

Reimplemented in osg::Lock.

Definition at line 141 of file OSGLock.h.

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Constructor & Destructor Documentation

PThreadLockBase::PThreadLockBase

(

void

)

[protected]

Definition at line 94 of file OSGLock.cpp.

                                    :
     Inherited    (),
    _pLowLevelLock()
{
}

PThreadLockBase::PThreadLockBase	(	const Char8 *	szName,
		UInt32	uiId
	)			[protected]

Definition at line 100 of file OSGLock.cpp.

                                                       :
     Inherited    (szName, uiId),
    _pLowLevelLock()
{
}

PThreadLockBase::~PThreadLockBase

(

void

)

[protected, virtual]

Definition at line 109 of file OSGLock.cpp.

{
}

osg::PThreadLockBase::PThreadLockBase

(

const PThreadLockBase &

source

)

[private]

---

Member Function Documentation

bool PThreadLockBase::init

(

void

)

[protected]

Definition at line 115 of file OSGLock.cpp.

References _pLowLevelLock.

Referenced by osg::Lock::create(), and osg::LockPool::init().

{
    pthread_mutexattr_t lockAttr;

    pthread_mutexattr_init(&lockAttr);

    pthread_mutexattr_settype(&lockAttr, PTHREAD_MUTEX_RECURSIVE);
        
    pthread_mutex_init(&(_pLowLevelLock), &lockAttr);

    return true;
}

void PThreadLockBase::shutdown

(

void

)

[protected]

Definition at line 130 of file OSGLock.cpp.

References _pLowLevelLock.

Referenced by osg::LockPool::shutdown(), and osg::Lock::~Lock().

{
    pthread_mutex_destroy(&(_pLowLevelLock));
}

void PThreadLockBase::aquire

(

void

)

[protected]

Reimplemented in osg::Lock.

Definition at line 137 of file OSGLock.cpp.

References _pLowLevelLock.

Referenced by osg::Lock::aquire().

{
    pthread_mutex_lock(&(_pLowLevelLock));
}

void PThreadLockBase::release

(

void

)

[protected]

Reimplemented in osg::Lock.

Definition at line 142 of file OSGLock.cpp.

References _pLowLevelLock.

Referenced by osg::Lock::release().

{
    pthread_mutex_unlock(&(_pLowLevelLock));
}

bool PThreadLockBase::request

(

void

)

[protected]

Reimplemented in osg::Lock.

Definition at line 147 of file OSGLock.cpp.

References _pLowLevelLock.

Referenced by osg::Lock::request().

{
    return (pthread_mutex_trylock(&(_pLowLevelLock)) != EBUSY);
}

void osg::PThreadLockBase::operator=

(

const PThreadLockBase &

source

)

[private]

const MPType & MPBase::getStaticType

(

void

)

[static, inherited]

Definition at line 253 of file OSGMPBase.cpp.

References osg::MPBase::_type.

{
    return _type;
}

UInt32 MPBase::getStaticTypeId

(

void

)

[static, inherited]

Definition at line 259 of file OSGMPBase.cpp.

{
    return 0;
}

MPType & MPBase::getType

(

void

)

[virtual, inherited]

Definition at line 265 of file OSGMPBase.cpp.

References osg::MPBase::_type.

Referenced by osg::MPBase::getTypeId().

{
    return _type;
}

const MPType & MPBase::getType

(

void

)

const [virtual, inherited]

Definition at line 271 of file OSGMPBase.cpp.

References osg::MPBase::_type.

{
    return _type;
}

UInt32 MPBase::getTypeId

(

void

)

[inherited]

Definition at line 277 of file OSGMPBase.cpp.

References osg::TypeBase::getId(), and osg::MPBase::getType().

{
    return getType().getId();
}

const Char8 * MPBase::getCName

(

void

)

const [inherited]

Definition at line 283 of file OSGMPBase.cpp.

References osg::MPBase::_szName.

{
    return _szName;
}

void MemoryObject::addRef

(

void

)

[inherited]

Definition at line 64 of file OSGMemoryObject.cpp.

References osg::MemoryObject::_refCount.

Referenced by osg::SharedObjectHandler::getSharedObject(), and osg::SharedObjectHandler::initialize().

{
    _refCount++;
}

void MemoryObject::subRef

(

void

)

[inherited]

Definition at line 69 of file OSGMemoryObject.cpp.

References osg::MemoryObject::_refCount.

{
    _refCount--;

    if(_refCount <= 0)
        delete this;
}

Int32 MemoryObject::getRefCount

(

void

)

[inherited]

Definition at line 77 of file OSGMemoryObject.cpp.

References osg::MemoryObject::_refCount.

{
    return _refCount;
}

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Friends And Related Function Documentation

friend class LockPool [friend]

Reimplemented in osg::Lock.

Definition at line 185 of file OSGLock.h.

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Member Data Documentation

pthread_mutex_t osg::PThreadLockBase::_pLowLevelLock [private]

Definition at line 187 of file OSGLock.h.

Referenced by aquire(), init(), release(), request(), and shutdown().

UInt32 osg::LockCommonBase::_uiLockId [protected, inherited]

Definition at line 92 of file OSGLock.h.

MPType MPBase::_type [static, protected, inherited]

Reimplemented in osg::Barrier, osg::BaseThread, osg::Lock, osg::LockPool, osg::Thread, and osg::ExternalThread.

Definition at line 405 of file OSGMPBase.h.

Referenced by osg::MPBase::getStaticType(), and osg::MPBase::getType().

Char8* osg::MPBase::_szName [protected, inherited]

Definition at line 406 of file OSGMPBase.h.

Referenced by osg::MPBase::getCName(), osg::LockPool::init(), osg::MPBase::MPBase(), osg::BasePThreadBase::print(), and osg::MPBase::~MPBase().

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

• OSGLock.h
• OSGLock.cpp