CFastMutex Class Reference
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#include <ncbimtx.hpp>

Collaboration diagram for CFastMutex:

[legend]List of all members.

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Detailed Description

CFastMutex --.

Simple mutex with fast lock/unlock functions.

This mutex can be used instead of CMutex if it's guaranteed that there is no nesting. This mutex does not check nesting or owner. It has better performance than CMutex, but is less secure.

Definition at line 633 of file ncbimtx.hpp.

Public Types
typedef CFastMutexGuard	TReadLockGuard
	Define Read Lock Guard.
typedef CFastMutexGuard	TWriteLockGuard
	Define Write Lock Guard.
Public Member Functions
	CFastMutex (void)
	Constructor.
	~CFastMutex (void)
	Destructor.
void	Lock (void)
	Acquire mutex for the current thread with no nesting checks.
void	Unlock (void)
	Release mutex with no owner or nesting checks.
bool	TryLock (void)
	Try locking the mutex.
	operator SSystemFastMutex & (void)
	Get SSystemFastMutex.
Private Member Functions
TSystemMutex *	GetHandle (void)
	Get handle - Unix version.
	CFastMutex (const CFastMutex &)
	Private copy constructor to disallow initialization.
CFastMutex &	operator= (const CFastMutex &)
	Private assignment operator to disallow assignment.
Private Attributes
SSystemFastMutex	m_Mutex
	Platform-dependent mutex handle, also used by CRWLock.
Friends
class	CRWLock

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Member Typedef Documentation

typedef CFastMutexGuard CFastMutex::TReadLockGuard

Define Read Lock Guard. Definition at line 647 of file ncbimtx.hpp.

typedef CFastMutexGuard CFastMutex::TWriteLockGuard

Define Write Lock Guard. Definition at line 650 of file ncbimtx.hpp.

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Constructor & Destructor Documentation

CFastMutex::CFastMutex (  void   )

Constructor. Creates mutex handle.

CFastMutex::~CFastMutex (  void   )

Destructor. Close mutex handle. No checks if it's still acquired.

CFastMutex::CFastMutex (  const CFastMutex &   )  [private]

Private copy constructor to disallow initialization.

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Member Function Documentation

TSystemMutex* CFastMutex::GetHandle (  void   )  [inline, private]

Get handle - Unix version. Also used by CRWLock. Definition at line 669 of file ncbimtx.hpp.

void CFastMutex::Lock (  void   )

Acquire mutex for the current thread with no nesting checks. Referenced by BlastLockHandler(), CWorkerNodeAffinityGuard::CWorkerNodeAffinityGuard(), CQueueGuard::Guard(), CBDB_Cache::Lock(), and CFastRWLock::WriteLock().

CFastMutex::operator SSystemFastMutex & (  void   )

Get SSystemFastMutex.

CFastMutex& CFastMutex::operator= (  const CFastMutex &   )  [private]

Private assignment operator to disallow assignment.

bool CFastMutex::TryLock (  void   )

Try locking the mutex.

void CFastMutex::Unlock (  void   )

Release mutex with no owner or nesting checks. Referenced by BlastLockHandler(), CQueueGuard::Release(), CBDB_Cache::Unlock(), and CWorkerNodeAffinityGuard::~CWorkerNodeAffinityGuard().

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Friends And Related Function Documentation

friend class CRWLock [friend]

Definition at line 677 of file ncbimtx.hpp.

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Member Data Documentation

SSystemFastMutex CFastMutex::m_Mutex [private]

Platform-dependent mutex handle, also used by CRWLock. Definition at line 680 of file ncbimtx.hpp.

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

• include/corelib/ncbimtx.hpp

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