stxxl::DiskAllocator Class Reference

#include <diskallocator.h>

Inheritance diagram for stxxl::DiskAllocator:

Collaboration diagram for stxxl::DiskAllocator:

List of all members.

Classes
struct	FirstFit
Public Member Functions
	DiskAllocator (stxxl::file *storage, stxxl::int64 disk_size)
stxxl::int64	get_free_bytes () const
stxxl::int64	get_used_bytes () const
stxxl::int64	get_total_bytes () const
template<unsigned BLK_SIZE>
void	new_blocks (BIDArray< BLK_SIZE > &bids)
template<unsigned BLK_SIZE>
void	delete_block (const BID< BLK_SIZE > &bid)
template<unsigned BLK_SIZE>
void	new_blocks (BID< BLK_SIZE > *begin, BID< BLK_SIZE > *end)
Private Types
typedef std::pair < stxxl::int64, stxxl::int64 >	place
typedef std::map< stxxl::int64, stxxl::int64 >	sortseq
Private Member Functions
void	dump () const
void	deallocation_error (stxxl::int64 block_pos, stxxl::int64 block_size, const sortseq::iterator &pred, const sortseq::iterator &succ) const
void	add_free_region (stxxl::int64 block_pos, stxxl::int64 block_size)
void	grow_file (stxxl::int64 extend_bytes)
Private Attributes
stxxl::mutex	mutex
sortseq	free_space
stxxl::int64	free_bytes
stxxl::int64	disk_bytes
stxxl::file *	storage
bool	autogrow

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Detailed Description

Definition at line 34 of file diskallocator.h.

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Member Typedef Documentation

typedef std::pair<stxxl::int64, stxxl::int64> stxxl::DiskAllocator::place [private]

Definition at line 36 of file diskallocator.h.

typedef std::map<stxxl::int64, stxxl::int64> stxxl::DiskAllocator::sortseq [private]

Definition at line 48 of file diskallocator.h.

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Constructor & Destructor Documentation

stxxl::DiskAllocator::DiskAllocator	(	stxxl::file *	storage,
		stxxl::int64	disk_size
	)		[inline]

Definition at line 78 of file diskallocator.h.

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Member Function Documentation

void stxxl::DiskAllocator::add_free_region	(	stxxl::int64	block_pos,
		stxxl::int64	block_size
	)		[private]

Definition at line 58 of file diskallocator.cpp.

References block_size, and STXXL_THROW.

void stxxl::DiskAllocator::deallocation_error	(	stxxl::int64	block_pos,
		stxxl::int64	block_size,
		const sortseq::iterator &	pred,
		const sortseq::iterator &	succ
	)		const [private]

Definition at line 34 of file diskallocator.cpp.

template<unsigned BLK_SIZE>

void stxxl::DiskAllocator::delete_block

(

const BID< BLK_SIZE > &

bid

)

[inline]

Definition at line 121 of file diskallocator.h.

References stxxl::BID< SIZE >::offset, and stxxl::BID< SIZE >::size.

void stxxl::DiskAllocator::dump

(

)

const [private]

Definition at line 20 of file diskallocator.cpp.

stxxl::int64 stxxl::DiskAllocator::get_free_bytes

(

)

const [inline]

Definition at line 87 of file diskallocator.h.

stxxl::int64 stxxl::DiskAllocator::get_total_bytes

(

)

const [inline]

Definition at line 97 of file diskallocator.h.

stxxl::int64 stxxl::DiskAllocator::get_used_bytes

(

)

const [inline]

Definition at line 92 of file diskallocator.h.

void stxxl::DiskAllocator::grow_file

(

stxxl::int64

extend_bytes

)

[inline, private]

Definition at line 67 of file diskallocator.h.

template<unsigned BLK_SIZE>

void stxxl::DiskAllocator::new_blocks

(

BIDArray< BLK_SIZE > &

bids

)

[inline]

Definition at line 103 of file diskallocator.h.

References stxxl::BIDArray< BLK_SIZE >::begin(), and stxxl::BIDArray< BLK_SIZE >::end().

template<unsigned BLK_SIZE>

void stxxl::DiskAllocator::new_blocks	(	BID< BLK_SIZE > *	begin,
		BID< BLK_SIZE > *	end
	)

Definition at line 134 of file diskallocator.h.

References stxxl::BID< SIZE >::offset, stxxl::BID< SIZE >::size, and stxxl::scoped_mutex_lock::unlock().

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Member Data Documentation

bool stxxl::DiskAllocator::autogrow [private]

Definition at line 55 of file diskallocator.h.

stxxl::int64 stxxl::DiskAllocator::disk_bytes [private]

Definition at line 53 of file diskallocator.h.

stxxl::int64 stxxl::DiskAllocator::free_bytes [private]

Definition at line 52 of file diskallocator.h.

sortseq stxxl::DiskAllocator::free_space [private]

Definition at line 51 of file diskallocator.h.

stxxl::mutex stxxl::DiskAllocator::mutex [private]

Definition at line 50 of file diskallocator.h.

stxxl::file* stxxl::DiskAllocator::storage [private]

Definition at line 54 of file diskallocator.h.

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

• include/stxxl/bits/mng/diskallocator.h
• mng/diskallocator.cpp