Inheritance diagram for mongo::MemoryMappedFile:

Public Member Functions
virtual void	close ()

void *	map (const char *filename)

void *	mapWithOptions (const char *filename, int options)

void *	map (const char *filename, unsigned long long &length, int options=0)

void *	create (const std::string &filename, unsigned long long len, bool zero)

void	flush (bool sync)

virtual Flushable *	prepareFlush ()
	returns a thread safe object that you can call flush on Flushable has to fail nicely if the underlying object gets killed

long	shortLength () const

unsigned long long	length () const

HANDLE	getFd () const

void *	createReadOnlyMap ()
	create a new view with the specified properties. More...

void *	createPrivateMap ()

Public Member Functions inherited from mongo::MongoFile
virtual bool	isMongoMMF ()

string	filename () const

void	setFilename (const std::string &fn)

template<class F >
void	forEach (F p)
	p is called from within a mutex that MongoFile uses. More...

Static Public Member Functions
static void	makeWritable (void *, unsigned len)
	make the private map range writable (necessary for our windows implementation)

Static Public Member Functions inherited from mongo::MongoFile
template<class F >
static void	forEach (F fun)

static set< MongoFile * > &	getAllFiles ()
	note: you need to be in mmmutex when using this. More...

static int	flushAll (bool sync)

static long long	totalMappedLength ()

static void	closeAllFiles (stringstream &message)

Protected Member Functions
virtual void *	viewForFlushing ()

void *	remapPrivateView (void *oldPrivateAddr)
	close the current private view and open a new replacement

Protected Member Functions inherited from mongo::MongoFile
void	created ()

void	destroyed ()

Additional Inherited Members
Public Types inherited from mongo::MongoFile
enum	Options { SEQUENTIAL = 1, READONLY = 2 }

Static Public Attributes inherited from mongo::MongoFile
static void(*	notifyPreFlush )() = nullFunc

static void(*	notifyPostFlush )() = nullFunc

Member Function Documentation

void * mongo::MemoryMappedFile::createReadOnlyMap ( )

create a new view with the specified properties.

automatically cleaned up upon close/destruction of the MemoryMappedFile object.

void * mongo::MemoryMappedFile::mapWithOptions	(	const char *	filename,
		int	options
	)

Parameters

options see MongoFile::Options

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

Public Member Functions