#include <sys/types.h>
#include <stdio.h>
#include <errno.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/param.h>

Include dependency graph for dlmalloc.c:

Data Structures
struct	mallinfo

struct	sbinptr

struct	tbinptr

struct	msegmentptr

struct	mstate

struct	malloc_params

Macros
#define	USE_LOCK 1

#define	DLMALLOC_VERSION 20804

#define	SPIN_LOCKS_AVAILABLE 0

#define	MAX_SIZE_T (~(size_t)0)

#define	ONLY_MSPACES 0 /* define to a value */

#define	MSPACES 0

#define	MALLOC_ALIGNMENT ((size_t)8U)

#define	FOOTERS 0

#define	ABORT abort()

#define	ABORT_ON_ASSERT_FAILURE 1

#define	PROCEED_ON_ERROR 0

#define	USE_LOCKS 0

#define	USE_SPIN_LOCKS 0

#define	INSECURE 0

#define	HAVE_MMAP 1

#define	MMAP_CLEARS 1

#define	HAVE_MREMAP 0

#define	MALLOC_FAILURE_ACTION errno = ENOMEM;

#define	HAVE_MORECORE 1

#define	MORECORE_DEFAULT sbrk

#define	MORECORE_CONTIGUOUS 1

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

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

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

#define	MAX_RELEASE_CHECK_RATE 4095

#define	USE_BUILTIN_FFS 0

#define	USE_DEV_RANDOM 0

#define	NO_MALLINFO 0

#define	MALLINFO_FIELD_TYPE size_t

#define	NO_SEGMENT_TRAVERSAL 0

#define	M_TRIM_THRESHOLD (-1)

#define	M_GRANULARITY (-2)

#define	M_MMAP_THRESHOLD (-3)

#define	STRUCT_MALLINFO_DECLARED 1

#define	NOINLINE

#define	FORCEINLINE

#define	USE_DL_PREFIX

#define	assert(x)

#define	DEBUG 0

#define	malloc_getpagesize ((size_t)4096U)

#define	SIZE_T_SIZE (sizeof(size_t))

#define	SIZE_T_BITSIZE (sizeof(size_t) << 3)

#define	SIZE_T_ZERO ((size_t)0)

#define	SIZE_T_ONE ((size_t)1)

#define	SIZE_T_TWO ((size_t)2)

#define	SIZE_T_FOUR ((size_t)4)

#define	TWO_SIZE_T_SIZES (SIZE_T_SIZE<<1)

#define	FOUR_SIZE_T_SIZES (SIZE_T_SIZE<<2)

#define	SIX_SIZE_T_SIZES (FOUR_SIZE_T_SIZES+TWO_SIZE_T_SIZES)

#define	HALF_MAX_SIZE_T (MAX_SIZE_T / 2U)

#define	CHUNK_ALIGN_MASK (MALLOC_ALIGNMENT - SIZE_T_ONE)

#define	is_aligned(A) (((size_t)((A)) & (CHUNK_ALIGN_MASK)) == 0)

#define	align_offset(A)

#define	MFAIL ((void*)(MAX_SIZE_T))

#define	CMFAIL ((char)(MFAIL)) / defined for convenience */

#define	MUNMAP_DEFAULT(a, s) munmap((a), (s))

#define	MMAP_PROT (PROT_READ\|PROT_WRITE)

#define	MMAP_FLAGS (MAP_PRIVATE)

#define	MMAP_DEFAULT(s)

#define	DIRECT_MMAP_DEFAULT(s) MMAP_DEFAULT(s)

#define	CALL_MORECORE(S) MORECORE_DEFAULT(S)

#define	USE_MMAP_BIT (SIZE_T_ONE)

#define	CALL_MMAP(s) MMAP_DEFAULT(s)

#define	CALL_MUNMAP(a, s) MUNMAP_DEFAULT((a), (s))

#define	CALL_DIRECT_MMAP(s) DIRECT_MMAP_DEFAULT(s)

#define	CALL_MREMAP(addr, osz, nsz, mv) MFAIL

#define	USE_NONCONTIGUOUS_BIT (4U)

#define	EXTERN_BIT (8U)

#define	USE_LOCK_BIT (0U)

#define	INITIAL_LOCK(l)

#define	ACQUIRE_MALLOC_GLOBAL_LOCK()

#define	RELEASE_MALLOC_GLOBAL_LOCK()

#define	MCHUNK_SIZE (sizeof(mchunk))

#define	CHUNK_OVERHEAD (SIZE_T_SIZE)

#define	MMAP_CHUNK_OVERHEAD (TWO_SIZE_T_SIZES)

#define	MMAP_FOOT_PAD (FOUR_SIZE_T_SIZES)

#define	MIN_CHUNK_SIZE ((MCHUNK_SIZE + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK)

#define	chunk2mem(p) ((void)((char)(p) + TWO_SIZE_T_SIZES))

#define	mem2chunk(mem) ((mchunkptr)((char*)(mem) - TWO_SIZE_T_SIZES))

#define	align_as_chunk(A) (mchunkptr)((A) + align_offset(chunk2mem(A)))

#define	MAX_REQUEST ((-MIN_CHUNK_SIZE) << 2)

#define	MIN_REQUEST (MIN_CHUNK_SIZE - CHUNK_OVERHEAD - SIZE_T_ONE)

#define	pad_request(req) (((req) + CHUNK_OVERHEAD + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK)

#define	request2size(req) (((req) < MIN_REQUEST)? MIN_CHUNK_SIZE : pad_request(req))

#define	PINUSE_BIT (SIZE_T_ONE)

#define	CINUSE_BIT (SIZE_T_TWO)

#define	FLAG4_BIT (SIZE_T_FOUR)

#define	INUSE_BITS (PINUSE_BIT\|CINUSE_BIT)

#define	FLAG_BITS (PINUSE_BIT\|CINUSE_BIT\|FLAG4_BIT)

#define	FENCEPOST_HEAD (INUSE_BITS\|SIZE_T_SIZE)

#define	cinuse(p) ((p)->head & CINUSE_BIT)

#define	pinuse(p) ((p)->head & PINUSE_BIT)

#define	is_inuse(p) (((p)->head & INUSE_BITS) != PINUSE_BIT)

#define	is_mmapped(p) (((p)->head & INUSE_BITS) == 0)

#define	chunksize(p) ((p)->head & ~(FLAG_BITS))

#define	clear_pinuse(p) ((p)->head &= ~PINUSE_BIT)

#define	chunk_plus_offset(p, s) ((mchunkptr)(((char*)(p)) + (s)))

#define	chunk_minus_offset(p, s) ((mchunkptr)(((char*)(p)) - (s)))

#define	next_chunk(p) ((mchunkptr)( ((char*)(p)) + ((p)->head & ~FLAG_BITS)))

#define	prev_chunk(p) ((mchunkptr)( ((char*)(p)) - ((p)->prev_foot) ))

#define	next_pinuse(p) ((next_chunk(p)->head) & PINUSE_BIT)

#define	get_foot(p, s) (((mchunkptr)((char*)(p) + (s)))->prev_foot)

#define	set_foot(p, s) (((mchunkptr)((char*)(p) + (s)))->prev_foot = (s))

#define	set_size_and_pinuse_of_free_chunk(p, s) ((p)->head = (s\|PINUSE_BIT), set_foot(p, s))

#define	set_free_with_pinuse(p, s, n) (clear_pinuse(n), set_size_and_pinuse_of_free_chunk(p, s))

#define	overhead_for(p) (is_mmapped(p)? MMAP_CHUNK_OVERHEAD : CHUNK_OVERHEAD)

#define	calloc_must_clear(p) (!is_mmapped(p))

#define	leftmost_child(t) ((t)->child[0] != 0? (t)->child[0] : (t)->child[1])

#define	is_mmapped_segment(S) ((S)->sflags & USE_MMAP_BIT)

#define	is_extern_segment(S) ((S)->sflags & EXTERN_BIT)

#define	NSMALLBINS (32U)

#define	NTREEBINS (32U)

#define	SMALLBIN_SHIFT (3U)

#define	SMALLBIN_WIDTH (SIZE_T_ONE << SMALLBIN_SHIFT)

#define	TREEBIN_SHIFT (8U)

#define	MIN_LARGE_SIZE (SIZE_T_ONE << TREEBIN_SHIFT)

#define	MAX_SMALL_SIZE (MIN_LARGE_SIZE - SIZE_T_ONE)

#define	MAX_SMALL_REQUEST (MAX_SMALL_SIZE - CHUNK_ALIGN_MASK - CHUNK_OVERHEAD)

#define	ensure_initialization() (void)(mparams.magic != 0 \|\| init_mparams())

#define	gm (&_gm_)

#define	is_global(M) ((M) == &_gm_)

#define	is_initialized(M) ((M)->top != 0)

#define	use_lock(M) ((M)->mflags & USE_LOCK_BIT)

#define	enable_lock(M) ((M)->mflags \|= USE_LOCK_BIT)

#define	disable_lock(M) ((M)->mflags &= ~USE_LOCK_BIT)

#define	use_mmap(M) ((M)->mflags & USE_MMAP_BIT)

#define	enable_mmap(M) ((M)->mflags \|= USE_MMAP_BIT)

#define	disable_mmap(M) ((M)->mflags &= ~USE_MMAP_BIT)

#define	use_noncontiguous(M) ((M)->mflags & USE_NONCONTIGUOUS_BIT)

#define	disable_contiguous(M) ((M)->mflags \|= USE_NONCONTIGUOUS_BIT)

#define	set_lock(M, L)

#define	page_align(S) (((S) + (mparams.page_size - SIZE_T_ONE)) & ~(mparams.page_size - SIZE_T_ONE))

#define	granularity_align(S)

#define	mmap_align(S) page_align(S)

#define	SYS_ALLOC_PADDING (TOP_FOOT_SIZE + MALLOC_ALIGNMENT)

#define	is_page_aligned(S) (((size_t)(S) & (mparams.page_size - SIZE_T_ONE)) == 0)

#define	is_granularity_aligned(S) (((size_t)(S) & (mparams.granularity - SIZE_T_ONE)) == 0)

#define	segment_holds(S, A) ((char)(A) >= S->base && (char)(A) < S->base + S->size)

#define	should_trim(M, s) ((s) > (M)->trim_check)

#define	TOP_FOOT_SIZE (align_offset(chunk2mem(0))+pad_request(sizeof(struct malloc_segment))+MIN_CHUNK_SIZE)

#define	PREACTION(M) (0)

#define	POSTACTION(M)

#define	CORRUPTION_ERROR_ACTION(m) ABORT

#define	USAGE_ERROR_ACTION(m, p) ABORT

#define	check_free_chunk(M, P)

#define	check_inuse_chunk(M, P)

#define	check_malloced_chunk(M, P, N)

#define	check_mmapped_chunk(M, P)

#define	check_malloc_state(M)

#define	check_top_chunk(M, P)

#define	is_small(s) (((s) >> SMALLBIN_SHIFT) < NSMALLBINS)

#define	small_index(s) ((s) >> SMALLBIN_SHIFT)

#define	small_index2size(i) ((i) << SMALLBIN_SHIFT)

#define	MIN_SMALL_INDEX (small_index(MIN_CHUNK_SIZE))

#define	smallbin_at(M, i) ((sbinptr)((char*)&((M)->smallbins[(i)<<1])))

#define	treebin_at(M, i) (&((M)->treebins[i]))

#define	compute_tree_index(S, I)

#define	bit_for_tree_index(i) (i == NTREEBINS-1)? (SIZE_T_BITSIZE-1) : (((i) >> 1) + TREEBIN_SHIFT - 2)

#define	leftshift_for_tree_index(i)

#define	minsize_for_tree_index(i)

#define	idx2bit(i) ((binmap_t)(1) << (i))

#define	mark_smallmap(M, i) ((M)->smallmap \|= idx2bit(i))

#define	clear_smallmap(M, i) ((M)->smallmap &= ~idx2bit(i))

#define	smallmap_is_marked(M, i) ((M)->smallmap & idx2bit(i))

#define	mark_treemap(M, i) ((M)->treemap \|= idx2bit(i))

#define	clear_treemap(M, i) ((M)->treemap &= ~idx2bit(i))

#define	treemap_is_marked(M, i) ((M)->treemap & idx2bit(i))

#define	least_bit(x) ((x) & (-(x)))

#define	left_bits(x) ((x<<1) \| -(x<<1))

#define	same_or_left_bits(x) ((x) \| -(x))

#define	compute_bit2idx(X, I)

#define	ok_address(M, a) ((char*)(a) >= (M)->least_addr)

#define	ok_next(p, n) ((char)(p) < (char)(n))

#define	ok_inuse(p) is_inuse(p)

#define	ok_pinuse(p) pinuse(p)

#define	ok_magic(M) (1)

#define	RTCHECK(e) (e)

#define	mark_inuse_foot(M, p, s)

#define	set_inuse(M, p, s)

#define	set_inuse_and_pinuse(M, p, s)

#define	set_size_and_pinuse_of_inuse_chunk(M, p, s) ((p)->head = (s\|PINUSE_BIT\|CINUSE_BIT))

#define	insert_small_chunk(M, P, S)

#define	unlink_small_chunk(M, P, S)

#define	unlink_first_small_chunk(M, B, P, I)

#define	replace_dv(M, P, S)

#define	insert_large_chunk(M, X, S)

#define	unlink_large_chunk(M, X)

#define	insert_chunk(M, P, S)

#define	unlink_chunk(M, P, S)

#define	internal_malloc(m, b) dlmalloc(b)

#define	internal_free(m, mem) dlfree(mem)

#define	fm gm

Typedefs
typedef unsigned int	bindex_t

typedef unsigned int	binmap_t

typedef unsigned int	flag_t

Functions
void *	dlmalloc (size_t)

void	dlfree (void *)

void *	dlcalloc (size_t, size_t)

void *	dlrealloc (void *, size_t)

void *	dlmemalign (size_t, size_t)

void *	dlvalloc (size_t)

int	dlmallopt (int, int)

size_t	dlmalloc_footprint (void)

size_t	dlmalloc_max_footprint (void)

struct mallinfo	dlmallinfo (void)

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

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

void *	dlpvalloc (size_t)

int	dlmalloc_trim (size_t)

void	dlmalloc_stats (void)

size_t	dlmalloc_usable_size (void *)

static msegmentptr	segment_holding (mstate m, char *addr)

static int	has_segment_link (mstate m, msegmentptr ss)

static int	init_mparams (void)

static int	change_mparam (int param_number, int value)

static struct mallinfo	internal_mallinfo (mstate m)

static void	internal_malloc_stats (mstate m)

static void *	mmap_alloc (mstate m, size_t nb)

static mchunkptr	mmap_resize (mstate m, mchunkptr oldp, size_t nb)

static void	init_top (mstate m, mchunkptr p, size_t psize)

static void	init_bins (mstate m)

static void *	prepend_alloc (mstate m, char newbase, char oldbase, size_t nb)

static void	add_segment (mstate m, char *tbase, size_t tsize, flag_t mmapped)

static void *	sys_alloc (mstate m, size_t nb)

static size_t	release_unused_segments (mstate m)

static int	sys_trim (mstate m, size_t pad)

static void *	tmalloc_large (mstate m, size_t nb)

static void *	tmalloc_small (mstate m, size_t nb)

static void *	internal_realloc (mstate m, void *oldmem, size_t bytes)

static void *	internal_memalign (mstate m, size_t alignment, size_t bytes)

static void **	ialloc (mstate m, size_t n_elements, size_t sizes, int opts, void chunks[])

void **	dlindependent_calloc (size_t n_elements, size_t elem_size, void *chunks[])

void **	dlindependent_comalloc (size_t n_elements, size_t sizes[], void *chunks[])

Variables
static int	dev_zero_fd = -1

static struct malloc_params	mparams

static struct malloc_state	_gm_

Data Structure Documentation

◆ mallinfo

struct mallinfo

Data Fields
MALLINFO_FIELD_TYPE	arena
MALLINFO_FIELD_TYPE	ordblks
MALLINFO_FIELD_TYPE	smblks
MALLINFO_FIELD_TYPE	hblks
MALLINFO_FIELD_TYPE	hblkhd
MALLINFO_FIELD_TYPE	usmblks
MALLINFO_FIELD_TYPE	fsmblks
MALLINFO_FIELD_TYPE	uordblks
MALLINFO_FIELD_TYPE	fordblks
MALLINFO_FIELD_TYPE	keepcost

◆ malloc_chunk

struct malloc_chunk

Collaboration diagram for sbinptr:

Data Fields
size_t	prev_foot
size_t	head
struct malloc_chunk *	fd
struct malloc_chunk *	bk

◆ malloc_tree_chunk

struct malloc_tree_chunk

Collaboration diagram for tbinptr:

Data Fields
size_t	prev_foot
size_t	head
struct malloc_tree_chunk *	fd
struct malloc_tree_chunk *	bk
struct malloc_tree_chunk *	child[2]
struct malloc_tree_chunk *	parent
bindex_t	index

◆ malloc_segment

struct malloc_segment

Collaboration diagram for msegmentptr:

Data Fields
char *	base
size_t	size
struct malloc_segment *	next
flag_t	sflags

◆ malloc_state

struct malloc_state

Data Fields
binmap_t	smallmap
binmap_t	treemap
size_t	dvsize
size_t	topsize
char *	least_addr
mchunkptr	dv
mchunkptr	top
size_t	trim_check
size_t	release_checks
size_t	magic
mchunkptr	smallbins[(NSMALLBINS+1) *2]
tbinptr	treebins[NTREEBINS]
size_t	footprint
size_t	max_footprint
flag_t	mflags
msegment	seg
void *	extp
size_t	exts

◆ malloc_params

struct malloc_params

Data Fields
volatile size_t	magic
size_t	page_size
size_t	granularity
size_t	mmap_threshold
size_t	trim_threshold
flag_t	default_mflags

Macro Definition Documentation

◆ USE_LOCK

#define USE_LOCK 1

◆ DLMALLOC_VERSION

#define DLMALLOC_VERSION 20804

◆ SPIN_LOCKS_AVAILABLE

#define SPIN_LOCKS_AVAILABLE 0

◆ MAX_SIZE_T

#define MAX_SIZE_T (~(size_t)0)

◆ ONLY_MSPACES

#define ONLY_MSPACES 0 /* define to a value */

◆ MSPACES

#define MSPACES 0

◆ MALLOC_ALIGNMENT

#define MALLOC_ALIGNMENT ((size_t)8U)

◆ FOOTERS

#define FOOTERS 0

◆ ABORT

#define ABORT abort()

◆ ABORT_ON_ASSERT_FAILURE

#define ABORT_ON_ASSERT_FAILURE 1

◆ PROCEED_ON_ERROR

#define PROCEED_ON_ERROR 0

◆ USE_LOCKS

#define USE_LOCKS 0

◆ USE_SPIN_LOCKS

#define USE_SPIN_LOCKS 0

◆ INSECURE

#define INSECURE 0

◆ HAVE_MMAP

#define HAVE_MMAP 1

◆ MMAP_CLEARS

#define MMAP_CLEARS 1

◆ HAVE_MREMAP

#define HAVE_MREMAP 0

◆ MALLOC_FAILURE_ACTION

#define MALLOC_FAILURE_ACTION errno = ENOMEM;

◆ HAVE_MORECORE

#define HAVE_MORECORE 1

◆ MORECORE_DEFAULT

#define MORECORE_DEFAULT sbrk

◆ MORECORE_CONTIGUOUS

#define MORECORE_CONTIGUOUS 1

◆ DEFAULT_GRANULARITY

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

◆ DEFAULT_TRIM_THRESHOLD

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

◆ DEFAULT_MMAP_THRESHOLD

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

◆ MAX_RELEASE_CHECK_RATE

#define MAX_RELEASE_CHECK_RATE 4095

◆ USE_BUILTIN_FFS

#define USE_BUILTIN_FFS 0

◆ USE_DEV_RANDOM

#define USE_DEV_RANDOM 0

◆ NO_MALLINFO

#define NO_MALLINFO 0

◆ MALLINFO_FIELD_TYPE

#define MALLINFO_FIELD_TYPE size_t

◆ NO_SEGMENT_TRAVERSAL

#define NO_SEGMENT_TRAVERSAL 0

◆ M_TRIM_THRESHOLD

#define M_TRIM_THRESHOLD (-1)

◆ M_GRANULARITY

#define M_GRANULARITY (-2)

◆ M_MMAP_THRESHOLD

#define M_MMAP_THRESHOLD (-3)

◆ STRUCT_MALLINFO_DECLARED

#define STRUCT_MALLINFO_DECLARED 1

◆ NOINLINE

#define NOINLINE

◆ FORCEINLINE

#define FORCEINLINE

◆ USE_DL_PREFIX

#define USE_DL_PREFIX

◆ assert

#define assert ( x )

◆ DEBUG

#define DEBUG 0

◆ malloc_getpagesize

#define malloc_getpagesize ((size_t)4096U)

◆ SIZE_T_SIZE

#define SIZE_T_SIZE (sizeof(size_t))

◆ SIZE_T_BITSIZE

#define SIZE_T_BITSIZE (sizeof(size_t) << 3)

◆ SIZE_T_ZERO

#define SIZE_T_ZERO ((size_t)0)

◆ SIZE_T_ONE

#define SIZE_T_ONE ((size_t)1)

◆ SIZE_T_TWO

#define SIZE_T_TWO ((size_t)2)

◆ SIZE_T_FOUR

#define SIZE_T_FOUR ((size_t)4)

◆ TWO_SIZE_T_SIZES

#define TWO_SIZE_T_SIZES (SIZE_T_SIZE<<1)

◆ FOUR_SIZE_T_SIZES

#define FOUR_SIZE_T_SIZES (SIZE_T_SIZE<<2)

◆ SIX_SIZE_T_SIZES

#define SIX_SIZE_T_SIZES (FOUR_SIZE_T_SIZES+TWO_SIZE_T_SIZES)

◆ HALF_MAX_SIZE_T

#define HALF_MAX_SIZE_T (MAX_SIZE_T / 2U)

◆ CHUNK_ALIGN_MASK

#define CHUNK_ALIGN_MASK (MALLOC_ALIGNMENT - SIZE_T_ONE)

◆ is_aligned

#define is_aligned ( A ) (((size_t)((A)) & (CHUNK_ALIGN_MASK)) == 0)

◆ align_offset

#define align_offset ( A )

Value:

((((size_t)(A) & CHUNK_ALIGN_MASK) == 0)? 0 :\

((MALLOC_ALIGNMENT - ((size_t)(A) & CHUNK_ALIGN_MASK)) & CHUNK_ALIGN_MASK))

MALLOC_ALIGNMENT

#define MALLOC_ALIGNMENT

Definition: dlmalloc.c:565

CHUNK_ALIGN_MASK

#define CHUNK_ALIGN_MASK

Definition: dlmalloc.c:1466

A

#define A

Definition: md5.c:27

◆ MFAIL

#define MFAIL ((void*)(MAX_SIZE_T))

◆ CMFAIL

#define CMFAIL ((char*)(MFAIL)) /* defined for convenience */

◆ MUNMAP_DEFAULT

#define MUNMAP_DEFAULT	(	a,
		s
	)	munmap((a), (s))

◆ MMAP_PROT

#define MMAP_PROT (PROT_READ|PROT_WRITE)

◆ MMAP_FLAGS

#define MMAP_FLAGS (MAP_PRIVATE)

◆ MMAP_DEFAULT

#define MMAP_DEFAULT ( s )

Value:

           ((dev_zero_fd < 0) ? \
           (dev_zero_fd = open("/dev/zero", O_RDWR), \
            mmap(0, (s), MMAP_PROT, MMAP_FLAGS, dev_zero_fd, 0)) : \
            mmap(0, (s), MMAP_PROT, MMAP_FLAGS, dev_zero_fd, 0))

◆ DIRECT_MMAP_DEFAULT

#define DIRECT_MMAP_DEFAULT ( s ) MMAP_DEFAULT(s)

◆ CALL_MORECORE

#define CALL_MORECORE ( S ) MORECORE_DEFAULT(S)

Define CALL_MORECORE

◆ USE_MMAP_BIT

#define USE_MMAP_BIT (SIZE_T_ONE)

Define CALL_MMAP/CALL_MUNMAP/CALL_DIRECT_MMAP

◆ CALL_MMAP

#define CALL_MMAP ( s ) MMAP_DEFAULT(s)

◆ CALL_MUNMAP

#define CALL_MUNMAP	(	a,
		s
	)	MUNMAP_DEFAULT((a), (s))

◆ CALL_DIRECT_MMAP

#define CALL_DIRECT_MMAP ( s ) DIRECT_MMAP_DEFAULT(s)

◆ CALL_MREMAP

#define CALL_MREMAP	(	addr,
		osz,
		nsz,
		mv
	)	MFAIL

Define CALL_MREMAP

◆ USE_NONCONTIGUOUS_BIT

#define USE_NONCONTIGUOUS_BIT (4U)

◆ EXTERN_BIT

#define EXTERN_BIT (8U)

◆ USE_LOCK_BIT

#define USE_LOCK_BIT (0U)

◆ INITIAL_LOCK

#define INITIAL_LOCK ( l )

◆ ACQUIRE_MALLOC_GLOBAL_LOCK

#define ACQUIRE_MALLOC_GLOBAL_LOCK ( )

◆ RELEASE_MALLOC_GLOBAL_LOCK

#define RELEASE_MALLOC_GLOBAL_LOCK ( )

◆ MCHUNK_SIZE

#define MCHUNK_SIZE (sizeof(mchunk))

◆ CHUNK_OVERHEAD

#define CHUNK_OVERHEAD (SIZE_T_SIZE)

◆ MMAP_CHUNK_OVERHEAD

#define MMAP_CHUNK_OVERHEAD (TWO_SIZE_T_SIZES)

◆ MMAP_FOOT_PAD

#define MMAP_FOOT_PAD (FOUR_SIZE_T_SIZES)

◆ MIN_CHUNK_SIZE

#define MIN_CHUNK_SIZE ((MCHUNK_SIZE + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK)

◆ chunk2mem

#define chunk2mem ( p ) ((void*)((char*)(p) + TWO_SIZE_T_SIZES))

◆ mem2chunk

#define mem2chunk ( mem ) ((mchunkptr)((char*)(mem) - TWO_SIZE_T_SIZES))

◆ align_as_chunk

#define align_as_chunk ( A ) (mchunkptr)((A) + align_offset(chunk2mem(A)))

◆ MAX_REQUEST

#define MAX_REQUEST ((-MIN_CHUNK_SIZE) << 2)

◆ MIN_REQUEST

#define MIN_REQUEST (MIN_CHUNK_SIZE - CHUNK_OVERHEAD - SIZE_T_ONE)

◆ pad_request

#define pad_request ( req ) (((req) + CHUNK_OVERHEAD + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK)

◆ request2size

#define request2size ( req ) (((req) < MIN_REQUEST)? MIN_CHUNK_SIZE : pad_request(req))

◆ PINUSE_BIT

#define PINUSE_BIT (SIZE_T_ONE)

◆ CINUSE_BIT

#define CINUSE_BIT (SIZE_T_TWO)

◆ FLAG4_BIT

#define FLAG4_BIT (SIZE_T_FOUR)

◆ INUSE_BITS

#define INUSE_BITS (PINUSE_BIT|CINUSE_BIT)

◆ FLAG_BITS

#define FLAG_BITS (PINUSE_BIT|CINUSE_BIT|FLAG4_BIT)

◆ FENCEPOST_HEAD

#define FENCEPOST_HEAD (INUSE_BITS|SIZE_T_SIZE)

◆ cinuse

#define cinuse ( p ) ((p)->head & CINUSE_BIT)

◆ pinuse

#define pinuse ( p ) ((p)->head & PINUSE_BIT)

◆ is_inuse

#define is_inuse ( p ) (((p)->head & INUSE_BITS) != PINUSE_BIT)

◆ is_mmapped

#define is_mmapped ( p ) (((p)->head & INUSE_BITS) == 0)

◆ chunksize

#define chunksize ( p ) ((p)->head & ~(FLAG_BITS))

◆ clear_pinuse

#define clear_pinuse ( p ) ((p)->head &= ~PINUSE_BIT)

◆ chunk_plus_offset

#define chunk_plus_offset	(	p,
		s
	)	((mchunkptr)(((char*)(p)) + (s)))

◆ chunk_minus_offset

#define chunk_minus_offset	(	p,
		s
	)	((mchunkptr)(((char*)(p)) - (s)))

◆ next_chunk

#define next_chunk ( p ) ((mchunkptr)( ((char*)(p)) + ((p)->head & ~FLAG_BITS)))

◆ prev_chunk

#define prev_chunk ( p ) ((mchunkptr)( ((char*)(p)) - ((p)->prev_foot) ))

◆ next_pinuse

#define next_pinuse ( p ) ((next_chunk(p)->head) & PINUSE_BIT)

◆ get_foot

#define get_foot	(	p,
		s
	)	(((mchunkptr)((char*)(p) + (s)))->prev_foot)

◆ set_foot

#define set_foot	(	p,
		s
	)	(((mchunkptr)((char*)(p) + (s)))->prev_foot = (s))

◆ set_size_and_pinuse_of_free_chunk

#define set_size_and_pinuse_of_free_chunk	(	p,
		s
	)	((p)->head = (s\|PINUSE_BIT), set_foot(p, s))

◆ set_free_with_pinuse

#define set_free_with_pinuse	(	p,
		s,
		n
	)	(clear_pinuse(n), set_size_and_pinuse_of_free_chunk(p, s))

◆ overhead_for

#define overhead_for ( p ) (is_mmapped(p)? MMAP_CHUNK_OVERHEAD : CHUNK_OVERHEAD)

◆ calloc_must_clear

#define calloc_must_clear ( p ) (!is_mmapped(p))

◆ leftmost_child

#define leftmost_child ( t ) ((t)->child[0] != 0? (t)->child[0] : (t)->child[1])

◆ is_mmapped_segment

#define is_mmapped_segment ( S ) ((S)->sflags & USE_MMAP_BIT)

◆ is_extern_segment

#define is_extern_segment ( S ) ((S)->sflags & EXTERN_BIT)

◆ NSMALLBINS

#define NSMALLBINS (32U)

◆ NTREEBINS

#define NTREEBINS (32U)

◆ SMALLBIN_SHIFT

#define SMALLBIN_SHIFT (3U)

◆ SMALLBIN_WIDTH

#define SMALLBIN_WIDTH (SIZE_T_ONE << SMALLBIN_SHIFT)

◆ TREEBIN_SHIFT

#define TREEBIN_SHIFT (8U)

◆ MIN_LARGE_SIZE

#define MIN_LARGE_SIZE (SIZE_T_ONE << TREEBIN_SHIFT)

◆ MAX_SMALL_SIZE

#define MAX_SMALL_SIZE (MIN_LARGE_SIZE - SIZE_T_ONE)

◆ MAX_SMALL_REQUEST

#define MAX_SMALL_REQUEST (MAX_SMALL_SIZE - CHUNK_ALIGN_MASK - CHUNK_OVERHEAD)

◆ ensure_initialization

#define ensure_initialization ( ) (void)(mparams.magic != 0 || init_mparams())

◆ gm

#define gm (&_gm_)

◆ is_global

#define is_global ( M ) ((M) == &_gm_)

◆ is_initialized

#define is_initialized ( M ) ((M)->top != 0)

◆ use_lock

#define use_lock ( M ) ((M)->mflags & USE_LOCK_BIT)

◆ enable_lock

#define enable_lock ( M ) ((M)->mflags |= USE_LOCK_BIT)

◆ disable_lock

#define disable_lock ( M ) ((M)->mflags &= ~USE_LOCK_BIT)

◆ use_mmap

#define use_mmap ( M ) ((M)->mflags & USE_MMAP_BIT)

◆ enable_mmap

#define enable_mmap ( M ) ((M)->mflags |= USE_MMAP_BIT)

◆ disable_mmap

#define disable_mmap ( M ) ((M)->mflags &= ~USE_MMAP_BIT)

◆ use_noncontiguous

#define use_noncontiguous ( M ) ((M)->mflags & USE_NONCONTIGUOUS_BIT)

◆ disable_contiguous

#define disable_contiguous ( M ) ((M)->mflags |= USE_NONCONTIGUOUS_BIT)

◆ set_lock

#define set_lock	(	M,
		L
	)

Value:

 ((M)->mflags = (L)?\
  ((M)->mflags | USE_LOCK_BIT) :\
  ((M)->mflags & ~USE_LOCK_BIT))

◆ page_align

#define page_align ( S ) (((S) + (mparams.page_size - SIZE_T_ONE)) & ~(mparams.page_size - SIZE_T_ONE))

◆ granularity_align

#define granularity_align ( S )

Value:

(((S) + (mparams.granularity - SIZE_T_ONE))\

& ~(mparams.granularity - SIZE_T_ONE))

SIZE_T_ONE

#define SIZE_T_ONE

Definition: dlmalloc.c:1457

malloc_params::granularity

size_t granularity

Definition: dlmalloc.c:2494

mparams

static struct malloc_params mparams

Definition: dlmalloc.c:2500

S

@ S

Definition: uni_bidi.c:56

◆ mmap_align

#define mmap_align ( S ) page_align(S)

◆ SYS_ALLOC_PADDING

#define SYS_ALLOC_PADDING (TOP_FOOT_SIZE + MALLOC_ALIGNMENT)

◆ is_page_aligned

#define is_page_aligned ( S ) (((size_t)(S) & (mparams.page_size - SIZE_T_ONE)) == 0)

◆ is_granularity_aligned

#define is_granularity_aligned ( S ) (((size_t)(S) & (mparams.granularity - SIZE_T_ONE)) == 0)

◆ segment_holds

#define segment_holds	(	S,
		A
	)	((char)(A) >= S->base && (char)(A) < S->base + S->size)

◆ should_trim

#define should_trim	(	M,
		s
	)	((s) > (M)->trim_check)

◆ TOP_FOOT_SIZE

#define TOP_FOOT_SIZE (align_offset(chunk2mem(0))+pad_request(sizeof(struct malloc_segment))+MIN_CHUNK_SIZE)

◆ PREACTION

#define PREACTION ( M ) (0)

◆ POSTACTION

#define POSTACTION ( M )

◆ CORRUPTION_ERROR_ACTION

#define CORRUPTION_ERROR_ACTION ( m ) ABORT

◆ USAGE_ERROR_ACTION

#define USAGE_ERROR_ACTION	(	m,
		p
	)	ABORT

◆ check_free_chunk

#define check_free_chunk	(	M,
		P
	)

◆ check_inuse_chunk

#define check_inuse_chunk	(	M,
		P
	)

◆ check_malloced_chunk

#define check_malloced_chunk	(	M,
		P,
		N
	)

◆ check_mmapped_chunk

#define check_mmapped_chunk	(	M,
		P
	)

◆ check_malloc_state

#define check_malloc_state ( M )

◆ check_top_chunk

#define check_top_chunk	(	M,
		P
	)

◆ is_small

#define is_small ( s ) (((s) >> SMALLBIN_SHIFT) < NSMALLBINS)

◆ small_index

#define small_index ( s ) ((s) >> SMALLBIN_SHIFT)

◆ small_index2size

#define small_index2size ( i ) ((i) << SMALLBIN_SHIFT)

◆ MIN_SMALL_INDEX

#define MIN_SMALL_INDEX (small_index(MIN_CHUNK_SIZE))

◆ smallbin_at

#define smallbin_at	(	M,
		i
	)	((sbinptr)((char*)&((M)->smallbins[(i)<<1])))

◆ treebin_at

#define treebin_at	(	M,
		i
	)	(&((M)->treebins[i]))

◆ compute_tree_index

#define compute_tree_index	(	S,
		I
	)

Value:

{\
  size_t X = S >> TREEBIN_SHIFT;\
  if (X == 0)\
    I = 0;\
  else if (X > 0xFFFF)\
    I = NTREEBINS-1;\
  else {\
    unsigned int Y = (unsigned int)X;\
    unsigned int N = ((Y - 0x100) >> 16) & 8;\
    unsigned int K = (((Y <<= N) - 0x1000) >> 16) & 4;\
    N += K;\
    N += K = (((Y <<= K) - 0x4000) >> 16) & 2;\
    K = 14 - N + ((Y <<= K) >> 15);\
    I = (K << 1) + ((S >> (K + (TREEBIN_SHIFT-1)) & 1));\
  }\
}

◆ bit_for_tree_index

#define bit_for_tree_index ( i ) (i == NTREEBINS-1)? (SIZE_T_BITSIZE-1) : (((i) >> 1) + TREEBIN_SHIFT - 2)

◆ leftshift_for_tree_index

#define leftshift_for_tree_index ( i )

Value:

((i == NTREEBINS-1)? 0 : \

((SIZE_T_BITSIZE-SIZE_T_ONE) - (((i) >> 1) + TREEBIN_SHIFT - 2)))

SIZE_T_BITSIZE

#define SIZE_T_BITSIZE

Definition: dlmalloc.c:1452

◆ minsize_for_tree_index

#define minsize_for_tree_index ( i )

Value:

((SIZE_T_ONE << (((i) >> 1) + TREEBIN_SHIFT)) | \

(((size_t)((i) & SIZE_T_ONE)) << (((i) >> 1) + TREEBIN_SHIFT - 1)))

◆ idx2bit

#define idx2bit ( i ) ((binmap_t)(1) << (i))

◆ mark_smallmap

#define mark_smallmap	(	M,
		i
	)	((M)->smallmap \|= idx2bit(i))

◆ clear_smallmap

#define clear_smallmap	(	M,
		i
	)	((M)->smallmap &= ~idx2bit(i))

◆ smallmap_is_marked

#define smallmap_is_marked	(	M,
		i
	)	((M)->smallmap & idx2bit(i))

◆ mark_treemap

#define mark_treemap	(	M,
		i
	)	((M)->treemap \|= idx2bit(i))

◆ clear_treemap

#define clear_treemap	(	M,
		i
	)	((M)->treemap &= ~idx2bit(i))

◆ treemap_is_marked

#define treemap_is_marked	(	M,
		i
	)	((M)->treemap & idx2bit(i))

◆ least_bit

#define least_bit ( x ) ((x) & (-(x)))

◆ left_bits

#define left_bits ( x ) ((x<<1) | -(x<<1))

◆ same_or_left_bits

#define same_or_left_bits ( x ) ((x) | -(x))

◆ compute_bit2idx

#define compute_bit2idx	(	X,
		I
	)

Value:

{\
  unsigned int Y = X - 1;\
  unsigned int K = Y >> (16-4) & 16;\
  unsigned int N = K;        Y >>= K;\
  N += K = Y >> (8-3) &  8;  Y >>= K;\
  N += K = Y >> (4-2) &  4;  Y >>= K;\
  N += K = Y >> (2-1) &  2;  Y >>= K;\
  N += K = Y >> (1-0) &  1;  Y >>= K;\
  I = (bindex_t)(N + Y);\
}

◆ ok_address

#define ok_address	(	M,
		a
	)	((char*)(a) >= (M)->least_addr)

◆ ok_next

#define ok_next	(	p,
		n
	)	((char)(p) < (char)(n))

◆ ok_inuse

#define ok_inuse ( p ) is_inuse(p)

◆ ok_pinuse

#define ok_pinuse ( p ) pinuse(p)

◆ ok_magic

#define ok_magic ( M ) (1)

◆ RTCHECK

#define RTCHECK ( e ) (e)

◆ mark_inuse_foot

#define mark_inuse_foot	(	M,
		p,
		s
	)

◆ set_inuse

#define set_inuse	(	M,
		p,
		s
	)

Value:

((p)->head = (((p)->head & PINUSE_BIT)|s|CINUSE_BIT),\

((mchunkptr)(((char*)(p)) + (s)))->head |= PINUSE_BIT)

CINUSE_BIT

#define CINUSE_BIT

Definition: dlmalloc.c:2130

PINUSE_BIT

#define PINUSE_BIT

Definition: dlmalloc.c:2129

◆ set_inuse_and_pinuse

#define set_inuse_and_pinuse	(	M,
		p,
		s
	)

Value:

((p)->head = (s|PINUSE_BIT|CINUSE_BIT),\

((mchunkptr)(((char*)(p)) + (s)))->head |= PINUSE_BIT)

◆ set_size_and_pinuse_of_inuse_chunk

#define set_size_and_pinuse_of_inuse_chunk	(	M,
		p,
		s
	)	((p)->head = (s\|PINUSE_BIT\|CINUSE_BIT))

◆ insert_small_chunk

#define insert_small_chunk	(	M,
		P,
		S
	)

Value:

  {\
  bindex_t I  = (bindex_t)small_index(S);\
  mchunkptr B = smallbin_at(M, I);\
  mchunkptr F = B;\
  assert(S >= MIN_CHUNK_SIZE);\
  if (!smallmap_is_marked(M, I))\
    mark_smallmap(M, I);\
  else if (RTCHECK(ok_address(M, B->fd)))\
    F = B->fd;\
  else {\
    CORRUPTION_ERROR_ACTION(M);\
  }\
  B->fd = P;\
  F->bk = P;\
  P->fd = F;\
  P->bk = B;\
}

◆ unlink_small_chunk

#define unlink_small_chunk	(	M,
		P,
		S
	)

Value:

  {\
  mchunkptr F = P->fd;\
  mchunkptr B = P->bk;\
  bindex_t I = small_index(S);\
  assert(P != B);\
  assert(P != F);\
  assert(chunksize(P) == small_index2size(I));\
  if (F == B)\
    clear_smallmap(M, I);\
  else if (RTCHECK((F == smallbin_at(M,I) || ok_address(M, F)) &&\
                   (B == smallbin_at(M,I) || ok_address(M, B)))) {\
    F->bk = B;\
    B->fd = F;\
  }\
  else {\
    CORRUPTION_ERROR_ACTION(M);\
  }\
}

◆ unlink_first_small_chunk

#define unlink_first_small_chunk	(	M,
		B,
		P,
		I
	)

Value:

  {\
  mchunkptr F = P->fd;\
  assert(P != B);\
  assert(P != F);\
  assert(chunksize(P) == small_index2size(I));\
  if (B == F)\
    clear_smallmap(M, I);\
  else if (RTCHECK(ok_address(M, F))) {\
    B->fd = F;\
    F->bk = B;\
  }\
  else {\
    CORRUPTION_ERROR_ACTION(M);\
  }\
}

◆ replace_dv

#define replace_dv	(	M,
		P,
		S
	)

Value:

  {\
  size_t DVS = M->dvsize;\
  if (DVS != 0) {\
    mchunkptr DV = M->dv;\
    assert(is_small(DVS));\
    insert_small_chunk(M, DV, DVS);\
  }\
  M->dvsize = S;\
  M->dv = P;\
}

◆ insert_large_chunk

#define insert_large_chunk	(	M,
		X,
		S
	)

◆ unlink_large_chunk

#define unlink_large_chunk	(	M,
		X
	)

◆ insert_chunk

#define insert_chunk	(	M,
		P,
		S
	)

Value:

if (is_small(S)) insert_small_chunk(M, P, S)\

else { tchunkptr TP = (tchunkptr)(P); insert_large_chunk(M, TP, S); }

insert_large_chunk

#define insert_large_chunk(M, X, S)

Definition: dlmalloc.c:3498

insert_small_chunk

#define insert_small_chunk(M, P, S)

Definition: dlmalloc.c:3425

◆ unlink_chunk

#define unlink_chunk	(	M,
		P,
		S
	)

Value:

if (is_small(S)) unlink_small_chunk(M, P, S)\

else { tchunkptr TP = (tchunkptr)(P); unlink_large_chunk(M, TP); }

unlink_large_chunk

#define unlink_large_chunk(M, X)

Definition: dlmalloc.c:3566

unlink_small_chunk

#define unlink_small_chunk(M, P, S)

Definition: dlmalloc.c:3444

◆ internal_malloc

#define internal_malloc	(	m,
		b
	)	dlmalloc(b)

◆ internal_free

#define internal_free	(	m,
		mem
	)	dlfree(mem)

◆ fm

#define fm gm

Typedef Documentation

◆ bindex_t

typedef unsigned int bindex_t

◆ binmap_t

typedef unsigned int binmap_t

◆ flag_t

typedef unsigned int flag_t

Function Documentation

◆ dlmalloc()

void * dlmalloc ( size_t bytes )

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◆ dlfree()

void dlfree ( void * mem )

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◆ dlcalloc()

void * dlcalloc	(	size_t	n_elements,
		size_t	elem_size
	)

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◆ dlrealloc()

void * dlrealloc	(	void *	oldmem,
		size_t	bytes
	)

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◆ dlmemalign()

void * dlmemalign	(	size_t	alignment,
		size_t	bytes
	)

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◆ dlvalloc()

void * dlvalloc ( size_t bytes )

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◆ dlmallopt()

int dlmallopt	(	int	param_number,
		int	value
	)

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◆ dlmalloc_footprint()

size_t dlmalloc_footprint ( void )

◆ dlmalloc_max_footprint()

size_t dlmalloc_max_footprint ( void )

◆ dlmallinfo()

struct mallinfo dlmallinfo ( void )

◆ dlindependent_calloc() [1/2]

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

◆ dlindependent_comalloc() [1/2]

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

◆ dlpvalloc()

void * dlpvalloc ( size_t bytes )

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◆ dlmalloc_trim()

int dlmalloc_trim ( size_t pad )

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◆ dlmalloc_stats()

void dlmalloc_stats ( void )

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◆ dlmalloc_usable_size()

size_t dlmalloc_usable_size ( void * mem )

◆ segment_holding()

static msegmentptr segment_holding	(	mstate	m,
		char *	addr
	)

static

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◆ has_segment_link()

static int has_segment_link	(	mstate	m,
		msegmentptr	ss
	)

static

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◆ init_mparams()

static int init_mparams ( void )

static

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◆ change_mparam()

static int change_mparam	(	int	param_number,
		int	value
	)

static

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◆ internal_mallinfo()

static struct mallinfo internal_mallinfo ( mstate m )

static

◆ internal_malloc_stats()

static void internal_malloc_stats ( mstate m )

static

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◆ mmap_alloc()

static void* mmap_alloc	(	mstate	m,
		size_t	nb
	)

static

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◆ mmap_resize()

static mchunkptr mmap_resize	(	mstate	m,
		mchunkptr	oldp,
		size_t	nb
	)

static

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◆ init_top()

static void init_top	(	mstate	m,
		mchunkptr	p,
		size_t	psize
	)

static

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◆ init_bins()

static void init_bins ( mstate m )

static

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◆ prepend_alloc()

static void* prepend_alloc	(	mstate	m,
		char *	newbase,
		char *	oldbase,
		size_t	nb
	)

static

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◆ add_segment()

static void add_segment	(	mstate	m,
		char *	tbase,
		size_t	tsize,
		flag_t	mmapped
	)

static

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◆ sys_alloc()

static void* sys_alloc	(	mstate	m,
		size_t	nb
	)

static

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◆ release_unused_segments()

static size_t release_unused_segments ( mstate m )

static

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◆ sys_trim()

static int sys_trim	(	mstate	m,
		size_t	pad
	)

static

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◆ tmalloc_large()

static void* tmalloc_large	(	mstate	m,
		size_t	nb
	)

static

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◆ tmalloc_small()

static void* tmalloc_small	(	mstate	m,
		size_t	nb
	)

static

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◆ internal_realloc()

static void* internal_realloc	(	mstate	m,
		void *	oldmem,
		size_t	bytes
	)

static

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◆ internal_memalign()

static void* internal_memalign	(	mstate	m,
		size_t	alignment,
		size_t	bytes
	)

static

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◆ ialloc()

static void** ialloc	(	mstate	m,
		size_t	n_elements,
		size_t *	sizes,
		int	opts,
		void *	chunks[]
	)

static

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◆ dlindependent_calloc() [2/2]

void** dlindependent_calloc	(	size_t	n_elements,
		size_t	elem_size,
		void *	chunks[]
	)

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◆ dlindependent_comalloc() [2/2]

void** dlindependent_comalloc	(	size_t	n_elements,
		size_t	sizes[],
		void *	chunks[]
	)

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Variable Documentation

◆ dev_zero_fd

int dev_zero_fd = -1

static

◆ mparams

struct malloc_params mparams

static

◆ _gm_

struct malloc_state _gm_

static

Data Structures

Macros

Typedefs

Functions

Variables

Data Structure Documentation

◆ mallinfo

◆ malloc_chunk

◆ malloc_tree_chunk

◆ malloc_segment

◆ malloc_state

◆ malloc_params

Macro Definition Documentation

◆ USE_LOCK

◆ DLMALLOC_VERSION

◆ SPIN_LOCKS_AVAILABLE

◆ MAX_SIZE_T

◆ ONLY_MSPACES

◆ MSPACES

◆ MALLOC_ALIGNMENT

◆ FOOTERS

◆ ABORT

◆ ABORT_ON_ASSERT_FAILURE

◆ PROCEED_ON_ERROR

◆ USE_LOCKS

◆ USE_SPIN_LOCKS

◆ INSECURE

◆ HAVE_MMAP

◆ MMAP_CLEARS

◆ HAVE_MREMAP

◆ MALLOC_FAILURE_ACTION

◆ HAVE_MORECORE

◆ MORECORE_DEFAULT

◆ MORECORE_CONTIGUOUS

◆ DEFAULT_GRANULARITY

◆ DEFAULT_TRIM_THRESHOLD

◆ DEFAULT_MMAP_THRESHOLD

◆ MAX_RELEASE_CHECK_RATE

◆ USE_BUILTIN_FFS

◆ USE_DEV_RANDOM

◆ NO_MALLINFO

◆ MALLINFO_FIELD_TYPE

◆ NO_SEGMENT_TRAVERSAL

◆ M_TRIM_THRESHOLD

◆ M_GRANULARITY

◆ M_MMAP_THRESHOLD

◆ STRUCT_MALLINFO_DECLARED

◆ NOINLINE

◆ FORCEINLINE

◆ USE_DL_PREFIX

◆ assert

◆ DEBUG

◆ malloc_getpagesize

◆ SIZE_T_SIZE

◆ SIZE_T_BITSIZE

◆ SIZE_T_ZERO

◆ SIZE_T_ONE

◆ SIZE_T_TWO

◆ SIZE_T_FOUR

◆ TWO_SIZE_T_SIZES

◆ FOUR_SIZE_T_SIZES

◆ SIX_SIZE_T_SIZES

◆ HALF_MAX_SIZE_T

◆ CHUNK_ALIGN_MASK

◆ is_aligned

◆ align_offset

◆ MFAIL

◆ CMFAIL

◆ MUNMAP_DEFAULT

◆ MMAP_PROT

◆ MMAP_FLAGS

◆ MMAP_DEFAULT

◆ DIRECT_MMAP_DEFAULT

◆ CALL_MORECORE

◆ USE_MMAP_BIT

◆ CALL_MMAP

◆ CALL_MUNMAP

◆ CALL_DIRECT_MMAP

◆ CALL_MREMAP

◆ USE_NONCONTIGUOUS_BIT