An object that implements malloc-like behaviour without specifying the exact internal object being managed. More...

#include <freelist.h>

Collaboration diagram for freelist_ledger_t:

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Static Public Member Functions
static void	freelist_ledger_init (freelist_ledger_t *ledger, allocator_t allocator, u32 capacity)

static freelist_ledger_ptr_t	freelist_ledger_reserve (freelist_ledger_t *ledger, u32 size)
	Reserves the next block from the ledger. Returns FREELIST_LEDGER_INVALID_BLOCK if the requested block does not fit.

static void	freelist_ledger_release (freelist_ledger_t *ledger, freelist_ledger_ptr_t at)
	Returns the block back into the pool.

static void	freelist_ledger_cleanup (freelist_ledger_t *ledger)

Data Fields
list_t	_blocks
	The blocks that were reserved. Contrary to the name, this list stores the busy blocks, not the free ones.

u32	capacity
	The maximum amount of slots managed by the ledger. Errors out if reached.

Detailed Description

An object that implements malloc-like behaviour without specifying the exact internal object being managed.

Functionallity equivalent to a slab allocator without any actual memory control.

Member Function Documentation

static void freelist_ledger_cleanup ( freelist_ledger_t * ledger )

static

static void freelist_ledger_init	(	freelist_ledger_t *	ledger,
		allocator_t	allocator,
		u32	capacity
	)

static

static void freelist_ledger_release	(	freelist_ledger_t *	ledger,
		freelist_ledger_ptr_t	at
	)

static

Returns the block back into the pool.

static freelist_ledger_ptr_t freelist_ledger_reserve	(	freelist_ledger_t *	ledger,
		u32	size
	)

static

Reserves the next block from the ledger. Returns FREELIST_LEDGER_INVALID_BLOCK if the requested block does not fit.

list_t _blocks

The blocks that were reserved. Contrary to the name, this list stores the busy blocks, not the free ones.

u32 capacity

The maximum amount of slots managed by the ledger. Errors out if reached.