dlmalloc.h File Reference

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

Data Structures
struct	mallinfo

Macros
#define	ABORT   abort()
#define	ABORT_ON_ASSERT_FAILURE   1
#define	DEFAULT_GRANULARITY   (0) /* 0 means to compute in init_mparams */
#define	DEFAULT_MMAP_THRESHOLD   ((size_t)256U * (size_t)1024U)
#define	DEFAULT_TRIM_THRESHOLD   ((size_t)2U * (size_t)1024U * (size_t)1024U)
#define	dlcalloc   calloc
#define	dlfree   free
#define	dlindependent_calloc   independent_calloc
#define	dlindependent_comalloc   independent_comalloc
#define	dlmallinfo   mallinfo
#define	dlmalloc   malloc
#define	dlmalloc_footprint   malloc_footprint
#define	dlmalloc_max_footprint   malloc_max_footprint
#define	dlmalloc_stats   malloc_stats
#define	dlmalloc_trim   malloc_trim
#define	dlmalloc_usable_size   malloc_usable_size
#define	dlmallopt   mallopt
#define	dlmemalign   memalign
#define	dlpvalloc   pvalloc
#define	dlrealloc   realloc
#define	dlvalloc   valloc
#define	FOOTERS   0
#define	HAVE_MMAP   1
#define	HAVE_MORECORE   1
#define	HAVE_MREMAP   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	MALLOC_FAILURE_ACTION   errno = ENOMEM;
#define	MAP_ANONYMOUS   1
#define	MAX_SIZE_T   (~(size_t)0)
#define	MMAP_CLEARS   1
#define	MORECORE   sbrk
#define	MORECORE_CONTIGUOUS   1
#define	MSPACES   0
#define	NO_MALLINFO   0
#define	ONLY_MSPACES   0
#define	PROCEED_ON_ERROR   0
#define	USE_BUILTIN_FFS   0
#define	USE_DEV_RANDOM   0
#define	USE_LOCKS   0

Functions
void *	dlcalloc (size_t, size_t)
void	dlfree (void *)
void **	dlindependent_calloc (size_t, size_t, void **)
void **	dlindependent_comalloc (size_t, size_t *, void **)
struct mallinfo	dlmallinfo (void)
void *	dlmalloc (size_t)
size_t	dlmalloc_footprint (void)
size_t	dlmalloc_max_footprint (void)
void	dlmalloc_stats (void)
int	dlmalloc_trim (size_t)
size_t	dlmalloc_usable_size (void *)
int	dlmallopt (int, int)
void *	dlmemalign (size_t, size_t)
void *	dlpvalloc (size_t)
void *	dlrealloc (void *, size_t)
void *	dlvalloc (size_t)

#define ABORT   abort()

Referenced by init_mparams().

#define ABORT_ON_ASSERT_FAILURE   1

#define DEFAULT_GRANULARITY   (0) /* 0 means to compute in init_mparams */

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 dlcalloc   calloc

#define dlfree   free

Referenced by dlrealloc().

#define dlindependent_calloc   independent_calloc

#define dlindependent_comalloc   independent_comalloc

#define dlmallinfo   mallinfo

#define dlmalloc   malloc

Referenced by dlcalloc(), and dlrealloc().

#define dlmalloc_footprint   malloc_footprint

#define dlmalloc_max_footprint   malloc_max_footprint

#define dlmalloc_stats   malloc_stats

#define dlmalloc_trim   malloc_trim

#define dlmalloc_usable_size   malloc_usable_size

#define dlmallopt   mallopt

#define dlmemalign   memalign

Referenced by dlpvalloc(), and dlvalloc().

#define dlpvalloc   pvalloc

#define dlrealloc   realloc

#define dlvalloc   valloc

#define FOOTERS   0

#define HAVE_MMAP   1

Referenced by sys_alloc(), and sys_trim().

#define HAVE_MORECORE   1

Referenced by sys_alloc(), and sys_trim().

#define HAVE_MREMAP   0

#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 MALLOC_FAILURE_ACTION   errno = ENOMEM;

Referenced by internal_memalign(), internal_realloc(), and sys_alloc().

#define MAP_ANONYMOUS   1

#define MAX_SIZE_T   (~(size_t)0)

Referenced by dlcalloc(), dlmalloc(), init_mparams(), and sys_trim().

#define MMAP_CLEARS   1

#define MORECORE   sbrk

Referenced by mmap(), and munmap().

#define MORECORE_CONTIGUOUS   1

Referenced by sys_alloc().

#define MSPACES   0

#define NO_MALLINFO   0

#define ONLY_MSPACES   0

#define PROCEED_ON_ERROR   0

#define USE_BUILTIN_FFS   0

#define USE_DEV_RANDOM   0

#define USE_LOCKS   0

void* dlcalloc	(	size_t	,
		size_t
	)

References calloc_must_clear, dlmalloc, MAX_SIZE_T, and mem2chunk.

void dlfree

(

void *

)

References CALL_MUNMAP, check_free_chunk, check_inuse_chunk, chunk_minus_offset, chunk_plus_offset, chunksize, cinuse, malloc_state::dv, malloc_state::dvsize, fm, malloc_state::footprint, malloc_chunk::head, insert_chunk, INUSE_BITS, IS_MMAPPED_BIT, 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.

void** dlindependent_calloc	(	size_t	,
		size_t	,
		void **
	)

void** dlindependent_comalloc	(	size_t	,
		size_t *	,
		void **
	)

struct mallinfo dlmallinfo

(

void

)

References gm, and internal_mallinfo().

void* dlmalloc

(

size_t

)

References assert, b, check_malloced_chunk, check_top_chunk, chunk2mem, chunk_plus_offset, chunksize, compute_bit2idx, malloc_chunk::fd, gm, malloc_chunk::head, i, idx2bit, least_bit, left_bits, MAX_REQUEST, MAX_SIZE_T, MAX_SMALL_REQUEST, MIN_CHUNK_SIZE, MIN_REQUEST, 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, sys_alloc(), tmalloc_large(), tmalloc_small(), and unlink_first_small_chunk.

size_t dlmalloc_footprint

(

void

)

References gm.

size_t dlmalloc_max_footprint

(

void

)

References gm.

void dlmalloc_stats

(

void

)

References gm, and internal_malloc_stats().

int dlmalloc_trim

(

size_t

)

References gm, POSTACTION, PREACTION, and sys_trim().

size_t dlmalloc_usable_size

(

void *

)

References chunksize, cinuse, mem2chunk, and overhead_for.

int dlmallopt	(	int	,
		int
	)

References change_mparam().

void* dlmemalign	(	size_t	,
		size_t
	)

References gm, and internal_memalign().

void* dlpvalloc

(

size_t

)

References dlmemalign, init_mparams(), mparams, malloc_params::page_size, and SIZE_T_ONE.

void* dlrealloc	(	void *	,
		size_t
	)

References dlfree, dlmalloc, gm, internal_realloc(), mem2chunk, ok_magic, and USAGE_ERROR_ACTION.

void* dlvalloc

(

size_t

)

References dlmemalign, init_mparams(), mparams, and malloc_params::page_size.