For use as general mutex or readers/writers lock, outside the general multi-granularity model. More...

#include <d_concurrency.h>

Detailed Description

For use as general mutex or readers/writers lock, outside the general multi-granularity model.

A ResourceMutex is not affected by yielding/temprelease and two phase locking semantics inside WUOWs. Lock with ResourceLock, SharedLock or ExclusiveLock. Uses same fairness as other LockManager locks.

Public Member Functions
	ResourceMutex (std::string resourceLabel)

std::string	getName () const

bool	isExclusivelyLocked (Locker *locker)

bool	isAtLeastReadLocked (Locker *locker)

Static Public Member Functions
static std::string	getName (ResourceId resourceId)

Private Member Functions
ResourceId	rid () const
	Each instantiation of this class allocates a new ResourceId. More...

Private Attributes
const ResourceId	_rid

Friends
class	Lock::SharedLock

class	Lock::ExclusiveLock

Constructor & Destructor Documentation

◆ ResourceMutex()

mongo::Lock::ResourceMutex::ResourceMutex ( std::string resourceLabel )

Member Function Documentation

◆ getName() [1/2]

std::string mongo::Lock::ResourceMutex::getName ( ) const

inline

◆ getName() [2/2]

std::string mongo::Lock::ResourceMutex::getName ( ResourceId resourceId )

static

◆ isAtLeastReadLocked()

bool mongo::Lock::ResourceMutex::isAtLeastReadLocked ( Locker * locker )

◆ isExclusivelyLocked()

bool mongo::Lock::ResourceMutex::isExclusivelyLocked ( Locker * locker )

◆ rid()

ResourceId mongo::Lock::ResourceMutex::rid ( ) const

inlineprivate

Each instantiation of this class allocates a new ResourceId.

Friends And Related Function Documentation

◆ Lock::ExclusiveLock

friend class Lock::ExclusiveLock

friend

◆ Lock::SharedLock

friend class Lock::SharedLock

friend

Member Data Documentation

◆ _rid

const ResourceId mongo::Lock::ResourceMutex::_rid

private

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

/home/louis/git/mongodbsource.github.io/src/src/mongo/db/concurrency/d_concurrency.h
/home/louis/git/mongodbsource.github.io/src/src/mongo/db/concurrency/d_concurrency.cpp