mongo::GlobalLockAcquisitionTracker Class Reference

The GlobalLockAcquisitionTracker keeps track of if the global lock has ever been taken in X or IX mode. More...

#include <global_lock_acquisition_tracker.h>

Detailed Description

The GlobalLockAcquisitionTracker keeps track of if the global lock has ever been taken in X or IX mode.

This class is used to track if we ever did a transaction with the intent to do a write, so that we can enforce write concern on noop writes.

Public Member Functions
	GlobalLockAcquisitionTracker ()=default
bool	getGlobalExclusiveLockTaken () const
	Returns whether we have ever taken a global lock in X or IX mode in this operation. More...
void	setGlobalExclusiveLockTaken ()
	Sets that we have ever taken a global lock in X or IX mode in this operation. More...

Static Public Attributes
static const OperationContext::Decoration< GlobalLockAcquisitionTracker >	get

Private Attributes
bool	_globalExclusiveLockTaken = false

Constructor & Destructor Documentation

GlobalLockAcquisitionTracker()

mongo::GlobalLockAcquisitionTracker::GlobalLockAcquisitionTracker ( )

default

Member Function Documentation

getGlobalExclusiveLockTaken()

bool mongo::GlobalLockAcquisitionTracker::getGlobalExclusiveLockTaken

(

)

const

Returns whether we have ever taken a global lock in X or IX mode in this operation.

setGlobalExclusiveLockTaken()

void mongo::GlobalLockAcquisitionTracker::setGlobalExclusiveLockTaken

(

)

Sets that we have ever taken a global lock in X or IX mode in this operation.

Member Data Documentation

_globalExclusiveLockTaken

bool mongo::GlobalLockAcquisitionTracker::_globalExclusiveLockTaken = false

private

get

const OperationContext::Decoration< GlobalLockAcquisitionTracker > mongo::GlobalLockAcquisitionTracker::get

static

Initial value:

=
    OperationContext::declareDecoration<GlobalLockAcquisitionTracker>()

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

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