dlmalloc.h File Reference

#include "conf_dlmalloc.h"
#include <sys/types.h>

Data Structures
struct	mallinfo

Macros
#define	ABORT_ON_ASSERT_FAILURE   1
#define	DEFAULT_GRANULARITY   ((size_t)64U * (size_t)1024U)
#define	DEFAULT_MMAP_THRESHOLD   ((size_t)256U * (size_t)1024U)
#define	DEFAULT_TRIM_THRESHOLD   ((size_t)2U * (size_t)1024U * (size_t)1024U)
#define	FOOTERS   0
#define	HAVE_MORECORE   0
#define	INSECURE   0
#define	M_GRANULARITY   (-2)
#define	M_MMAP_THRESHOLD   (-3)
#define	M_TRIM_THRESHOLD   (-1)
#define	MALLINFO_FIELD_TYPE   size_t
#define	MALLOC_ALIGNMENT   ((size_t)8U)
#define	MAP_ANONYMOUS   1
#define	MAX_SIZE_T   (~(size_t)0)
#define	MMAP_CLEARS   1
#define	MORECORE_CONTIGUOUS   0
#define	MSPACES   1
#define	NO_MALLINFO   0
#define	PROCEED_ON_ERROR   0
#define	USE_BUILTIN_FFS   0
#define	USE_DEV_RANDOM   0
#define	USE_LOCKS   0

Typedefs
typedef void *	mspace

Functions
mspace	create_mspace (size_t capacity, int locked)
mspace	create_mspace_with_base (void *base, size_t capacity, int locked)
size_t	destroy_mspace (mspace msp)
void *	mspace_calloc (mspace msp, size_t n_elements, size_t elem_size)
size_t	mspace_footprint (mspace msp)
void	mspace_free (mspace msp, void *mem)
void **	mspace_independent_calloc (mspace msp, size_t n_elements, size_t elem_size, void *chunks[])
void **	mspace_independent_comalloc (mspace msp, size_t n_elements, size_t sizes[], void *chunks[])
struct mallinfo	mspace_mallinfo (mspace msp)
void *	mspace_malloc (mspace msp, size_t bytes)
void	mspace_malloc_stats (mspace msp)
int	mspace_mallopt (int, int)
size_t	mspace_max_footprint (mspace msp)
void *	mspace_memalign (mspace msp, size_t alignment, size_t bytes)
void *	mspace_realloc (mspace msp, void *mem, size_t newsize)
int	mspace_trim (mspace msp, size_t pad)

#define ABORT_ON_ASSERT_FAILURE   1

#define DEFAULT_GRANULARITY   ((size_t)64U * (size_t)1024U)

Referenced by init_mparams().

#define DEFAULT_MMAP_THRESHOLD   ((size_t)256U * (size_t)1024U)

Referenced by init_mparams().

#define DEFAULT_TRIM_THRESHOLD   ((size_t)2U * (size_t)1024U * (size_t)1024U)

Referenced by init_mparams().

#define FOOTERS   0

#define HAVE_MORECORE   0

Referenced by sys_alloc(), and sys_trim().

#define INSECURE   0

#define M_GRANULARITY   (-2)

Referenced by change_mparam().

#define M_MMAP_THRESHOLD   (-3)

Referenced by change_mparam().

#define M_TRIM_THRESHOLD   (-1)

Referenced by change_mparam().

#define MALLINFO_FIELD_TYPE   size_t

#define MALLOC_ALIGNMENT   ((size_t)8U)

Referenced by init_mparams(), and internal_memalign().

#define MAP_ANONYMOUS   1

#define MAX_SIZE_T   (~(size_t)0)

Referenced by init_mparams(), mspace_calloc(), mspace_malloc(), and sys_trim().

#define MMAP_CLEARS   1

#define MORECORE_CONTIGUOUS   0

Referenced by sys_alloc().

#define MSPACES   1

#define NO_MALLINFO   0

#define PROCEED_ON_ERROR   0

#define USE_BUILTIN_FFS   0

#define USE_DEV_RANDOM   0

#define USE_LOCKS   0

typedef void* mspace

mspace create_mspace	(	size_t	capacity,
		int	locked
	)

References CALL_MMAP, CMFAIL, malloc_params::granularity, granularity_align, init_mparams(), init_user_mstate(), IS_MMAPPED_BIT, mparams, pad_request, malloc_params::page_size, malloc_state::seg, set_lock, malloc_segment::sflags, and TOP_FOOT_SIZE.

mspace create_mspace_with_base	(	void *	base,
		size_t	capacity,
		int	locked
	)

References EXTERN_BIT, init_mparams(), init_user_mstate(), mparams, pad_request, malloc_params::page_size, malloc_state::seg, set_lock, malloc_segment::sflags, and TOP_FOOT_SIZE.

Referenced by load_sdram_data().

size_t destroy_mspace

(

mspace

msp

)

References malloc_segment::base, CALL_MUNMAP, EXTERN_BIT, malloc_segment::next, ok_magic, malloc_state::seg, malloc_segment::sflags, malloc_segment::size, and USAGE_ERROR_ACTION.

void* mspace_calloc	(	mspace	msp,
		size_t	n_elements,
		size_t	elem_size
	)

References calloc_must_clear, internal_malloc, MAX_SIZE_T, mem2chunk, ok_magic, and USAGE_ERROR_ACTION.

size_t mspace_footprint

(

mspace

msp

)

References malloc_state::footprint, ok_magic, and USAGE_ERROR_ACTION.

void mspace_free	(	mspace	msp,
		void *	mem
	)

References CALL_MUNMAP, check_free_chunk, check_inuse_chunk, chunk_minus_offset, chunk_plus_offset, chunksize, cinuse, malloc_state::dv, malloc_state::dvsize, malloc_state::footprint, malloc_chunk::head, insert_chunk, INUSE_BITS, mem2chunk, MMAP_FOOT_PAD, ok_address, ok_cinuse, ok_magic, ok_next, ok_pinuse, pinuse, PINUSE_BIT, POSTACTION, PREACTION, malloc_chunk::prev_foot, RTCHECK, set_free_with_pinuse, set_size_and_pinuse_of_free_chunk, should_trim, sys_trim(), malloc_state::top, malloc_state::topsize, unlink_chunk, and USAGE_ERROR_ACTION.

Referenced by jpeg_free_large(), jpeg_free_small(), jpeg_lib_exit(), jpeg_lib_init(), and mspace_realloc().

void** mspace_independent_calloc	(	mspace	msp,
		size_t	n_elements,
		size_t	elem_size,
		void *	chunks[]
	)

References ialloc(), ok_magic, and USAGE_ERROR_ACTION.

void** mspace_independent_comalloc	(	mspace	msp,
		size_t	n_elements,
		size_t	sizes[],
		void *	chunks[]
	)

References ialloc(), ok_magic, and USAGE_ERROR_ACTION.

struct mallinfo mspace_mallinfo

(

mspace

msp

)

References internal_mallinfo(), ok_magic, and USAGE_ERROR_ACTION.

void* mspace_malloc	(	mspace	msp,
		size_t	bytes
	)

References assert, b, check_malloced_chunk, check_top_chunk, chunk2mem, chunk_plus_offset, chunksize, compute_bit2idx, malloc_state::dv, malloc_state::dvsize, malloc_chunk::fd, malloc_chunk::head, idx2bit, least_bit, left_bits, MAX_REQUEST, MAX_SIZE_T, MAX_SMALL_REQUEST, MIN_CHUNK_SIZE, MIN_REQUEST, ok_magic, pad_request, PINUSE_BIT, POSTACTION, PREACTION, replace_dv, set_inuse_and_pinuse, set_size_and_pinuse_of_free_chunk, set_size_and_pinuse_of_inuse_chunk, SIZE_T_SIZE, small_index, small_index2size, smallbin_at, malloc_state::smallmap, sys_alloc(), tmalloc_large(), tmalloc_small(), malloc_state::top, malloc_state::topsize, malloc_state::treemap, unlink_first_small_chunk, and USAGE_ERROR_ACTION.

Referenced by jpeg_get_large(), jpeg_get_small(), jpeg_lib_init(), load_sdram_data(), and mspace_realloc().

void mspace_malloc_stats

(

mspace

msp

)

References internal_malloc_stats(), ok_magic, and USAGE_ERROR_ACTION.

int mspace_mallopt	(	int	,
		int
	)

References change_mparam().

size_t mspace_max_footprint

(

mspace

msp

)

References malloc_state::max_footprint, ok_magic, and USAGE_ERROR_ACTION.

void* mspace_memalign	(	mspace	msp,
		size_t	alignment,
		size_t	bytes
	)

References internal_memalign(), ok_magic, and USAGE_ERROR_ACTION.

void* mspace_realloc	(	mspace	msp,
		void *	mem,
		size_t	newsize
	)

References internal_realloc(), mem2chunk, mspace_free(), mspace_malloc(), ok_magic, and USAGE_ERROR_ACTION.

int mspace_trim	(	mspace	msp,
		size_t	pad
	)

References ok_magic, POSTACTION, PREACTION, sys_trim(), and USAGE_ERROR_ACTION.