DynamicMMap Class Reference

#include <mmap.h>

Inheritance diagram for DynamicMMap:

Collaboration diagram for DynamicMMap:

Classes
struct	Pool

Public Types
enum	OpenFlags {   NoImmMap = (1<<0),   Public = (1<<1),   ReadOnly = (1<<2),   UnMapped = (1<<3),   Moveable = (1<<4),   Fallback = (1 << 5) }

Public Member Functions
	DynamicMMap (FileFd &F, unsigned long Flags, unsigned long const &WorkSpace=2 *1024 *1024, unsigned long const &Grow=1024 *1024, unsigned long const &Limit=0)
	DynamicMMap (unsigned long Flags, unsigned long const &WorkSpace=2 *1024 *1024, unsigned long const &Grow=1024 *1024, unsigned long const &Limit=0)
virtual	~DynamicMMap ()
void	AddSize (unsigned long long const size)
unsigned long	Allocate (unsigned long ItemSize)
void *	Data ()
	operator void * ()
unsigned long	RawAllocate (unsigned long long Size, unsigned long Aln=0)
unsigned long long	Size ()
bool	Sync ()
bool	Sync (unsigned long Start, unsigned long Stop)
void	UsePools (Pool &P, unsigned int Count)
bool	validData () const
unsigned long	WriteString (const char *String, unsigned long Len=(unsigned long)-1)
unsigned long	WriteString (const std::string &S)

Protected Member Functions
bool	Close (bool DoSync=true)
bool	Grow ()
bool	Map (FileFd &Fd)

Protected Attributes
void *	Base
FileFd *	Fd
unsigned long	Flags
unsigned long const	GrowFactor
unsigned long long	iSize
unsigned long const	Limit
unsigned int	PoolCount
Pool *	Pools
FileFd *	SyncToFd
unsigned long	WorkSpace

Member Enumeration Documentation

enum MMap::OpenFlags

inherited

Enumerator
NoImmMap
Public
ReadOnly
UnMapped
Moveable
Fallback

Constructor & Destructor Documentation

DynamicMMap::DynamicMMap	(	FileFd &	F,
		unsigned long	Flags,
		unsigned long const &	WorkSpace = 2 *1024 *1024,
		unsigned long const &	Grow = 1024 *1024,
		unsigned long const &	Limit = 0
	)

DynamicMMap::DynamicMMap	(	unsigned long	Flags,
		unsigned long const &	WorkSpace = 2 *1024 *1024,
		unsigned long const &	Grow = 1024 *1024,
		unsigned long const &	Limit = 0
	)

virtual DynamicMMap::~DynamicMMap ( )

virtual

Member Function Documentation

void MMap::AddSize ( unsigned long long const  size )

inlineinherited

References MMap::iSize.

unsigned long DynamicMMap::Allocate

(

unsigned long

ItemSize

)

bool MMap::Close ( bool  DoSync = true )

protectedinherited

void* MMap::Data ( )

inlineinherited

References MMap::Base.

Referenced by pkgCache::DataEnd().

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bool DynamicMMap::Grow ( )

protected

bool MMap::Map ( FileFd &  Fd )

protectedinherited

MMap::operator void * ( )

inlineinherited

References MMap::Base.

unsigned long DynamicMMap::RawAllocate	(	unsigned long long	Size,
		unsigned long	Aln = 0
	)

unsigned long long MMap::Size ( )

inlineinherited

References MMap::iSize.

Referenced by pkgCache::DataEnd().

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bool MMap::Sync ( )

inherited

Referenced by pkgCache::Sync().

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bool MMap::Sync ( unsigned long  Start, unsigned long  Stop  )

inherited

void DynamicMMap::UsePools ( Pool &  P, unsigned int  Count  )

inline

References PoolCount, and Pools.

bool MMap::validData ( ) const

inlineinherited

References MMap::Base.

unsigned long DynamicMMap::WriteString	(	const char *	String,
		unsigned long	Len = (unsigned long)-1
	)

unsigned long DynamicMMap::WriteString ( const std::string &  S )

inline

References WriteString().

Referenced by WriteString().

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Member Data Documentation

void* MMap::Base

protectedinherited

Referenced by MMap::Data(), MMap::operator void *(), and MMap::validData().

FileFd* DynamicMMap::Fd

protected

unsigned long MMap::Flags

protectedinherited

unsigned long const DynamicMMap::GrowFactor

protected

unsigned long long MMap::iSize

protectedinherited

Referenced by MMap::AddSize(), and MMap::Size().

unsigned long const DynamicMMap::Limit

protected

unsigned int DynamicMMap::PoolCount

protected

Referenced by UsePools().

Pool* DynamicMMap::Pools

protected

Referenced by UsePools().

FileFd* MMap::SyncToFd

protectedinherited

unsigned long DynamicMMap::WorkSpace

protected

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

• /usr/include/apt-pkg/mmap.h