#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 <sched.h>
#include <pthread.h>
#include <sys/param.h>

Include dependency graph for dlmalloc.c:

Data Structures
struct	mallinfo

struct	malloc_chunk

struct	malloc_tree_chunk

struct	malloc_segment

struct	malloc_state

struct	malloc_params

Macros
#define	DLMALLOC_VERSION 20806

#define	DLMALLOC_EXPORT extern

#define	MAX_SIZE_T (~(size_t)0)

#define	USE_LOCKS

#define	USE_SPIN_LOCKS 0

#define	ONLY_MSPACES 0

#define	MSPACES 0

#define	MALLOC_ALIGNMENT ((size_t)(2 * sizeof(void *)))

#define	FOOTERS 0

#define	ABORT abort()

#define	ABORT_ON_ASSERT_FAILURE 1

#define	PROCEED_ON_ERROR 0

#define	INSECURE 0

#define	MALLOC_INSPECT_ALL 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_MALLOC_STATS 0

#define	NO_SEGMENT_TRAVERSAL 0

#define	M_TRIM_THRESHOLD (-1)

#define	M_GRANULARITY (-2)

#define	M_MMAP_THRESHOLD (-3)

#define	_STRUCT_MALLINFO

#define	STRUCT_MALLINFO_DECLARED 1

#define	NOINLINE

#define	FORCEINLINE

#define	dlcalloc calloc

#define	dlfree free

#define	dlmalloc malloc

#define	dlmemalign memalign

#define	dlposix_memalign posix_memalign

#define	dlrealloc realloc

#define	dlrealloc_in_place realloc_in_place

#define	dlvalloc valloc

#define	dlpvalloc pvalloc

#define	dlmallinfo mallinfo

#define	dlmallopt mallopt

#define	dlmalloc_trim malloc_trim

#define	dlmalloc_stats malloc_stats

#define	dlmalloc_usable_size malloc_usable_size

#define	dlmalloc_footprint malloc_footprint

#define	dlmalloc_max_footprint malloc_max_footprint

#define	dlmalloc_footprint_limit malloc_footprint_limit

#define	dlmalloc_set_footprint_limit malloc_set_footprint_limit

#define	dlmalloc_inspect_all malloc_inspect_all

#define	dlindependent_calloc independent_calloc

#define	dlindependent_comalloc independent_comalloc

#define	dlbulk_free bulk_free

#define	assert(x)

#define	DEBUG 0

#define	LOCK_AT_FORK 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	MLOCK_T pthread_mutex_t

#define	ACQUIRE_LOCK(lk) pthread_mutex_lock(lk)

#define	RELEASE_LOCK(lk) pthread_mutex_unlock(lk)

#define	TRY_LOCK(lk) (!pthread_mutex_trylock(lk))

#define	INITIAL_LOCK(lk) pthread_init_lock(lk)

#define	DESTROY_LOCK(lk) pthread_mutex_destroy(lk)

#define	USE_LOCK_BIT (2U)

#define	ACQUIRE_MALLOC_GLOBAL_LOCK() ACQUIRE_LOCK(&malloc_global_mutex);

#define	RELEASE_MALLOC_GLOBAL_LOCK() RELEASE_LOCK(&malloc_global_mutex);

#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	flag4inuse(p) ((p)->head & FLAG4_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	set_flag4(p) ((p)->head \|= FLAG4_BIT)

#define	clear_flag4(p) ((p)->head &= ~FLAG4_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) ((use_lock(M))? ACQUIRE_LOCK(&(M)->mutex) : 0)

#define	POSTACTION(M) { if (use_lock(M)) RELEASE_LOCK(&(M)->mutex); }

#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) (bindex_t)((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 struct malloc_chunk	mchunk

typedef struct malloc_chunk *	mchunkptr

typedef struct malloc_chunk *	sbinptr

typedef unsigned int	bindex_t

typedef unsigned int	binmap_t

typedef unsigned int	flag_t

typedef struct malloc_tree_chunk	tchunk

typedef struct malloc_tree_chunk *	tchunkptr

typedef struct malloc_tree_chunk *	tbinptr

typedef struct malloc_segment	msegment

typedef struct malloc_segment *	msegmentptr

typedef struct malloc_state *	mstate

Functions
DLMALLOC_EXPORT void *	dlmalloc (size_t)

DLMALLOC_EXPORT void	dlfree (void *)

DLMALLOC_EXPORT void *	dlcalloc (size_t, size_t)

DLMALLOC_EXPORT void *	dlrealloc (void *, size_t)

DLMALLOC_EXPORT void *	dlrealloc_in_place (void *, size_t)

DLMALLOC_EXPORT void *	dlmemalign (size_t, size_t)

DLMALLOC_EXPORT int	dlposix_memalign (void **, size_t, size_t)

DLMALLOC_EXPORT void *	dlvalloc (size_t)

DLMALLOC_EXPORT int	dlmallopt (int, int)

DLMALLOC_EXPORT size_t	dlmalloc_footprint (void)

DLMALLOC_EXPORT size_t	dlmalloc_max_footprint (void)

DLMALLOC_EXPORT size_t	dlmalloc_footprint_limit ()

DLMALLOC_EXPORT size_t	dlmalloc_set_footprint_limit (size_t bytes)

DLMALLOC_EXPORT struct mallinfo	dlmallinfo (void)

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

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

DLMALLOC_EXPORT size_t	dlbulk_free (void **, size_t n_elements)

DLMALLOC_EXPORT void *	dlpvalloc (size_t)

DLMALLOC_EXPORT int	dlmalloc_trim (size_t)

DLMALLOC_EXPORT void	dlmalloc_stats (void)

size_t	dlmalloc_usable_size (void *)

void *	MORECORE (int size)

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[])

size_t	dlbulk_free (void *array[], size_t nelem)

Macro Definition Documentation

#define _STRUCT_MALLINFO

Definition at line 761 of file dlmalloc.c.

#define ABORT abort()

Definition at line 624 of file dlmalloc.c.

#define ABORT_ON_ASSERT_FAILURE 1

Definition at line 627 of file dlmalloc.c.

#define ACQUIRE_LOCK ( lk ) pthread_mutex_lock(lk)

Definition at line 2009 of file dlmalloc.c.

#define ACQUIRE_MALLOC_GLOBAL_LOCK ( ) ACQUIRE_LOCK(&malloc_global_mutex);

Definition at line 2043 of file dlmalloc.c.

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

Definition at line 2226 of file dlmalloc.c.

#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:618

CHUNK_ALIGN_MASK

#define CHUNK_ALIGN_MASK

Definition: dlmalloc.c:1619

Definition at line 1625 of file dlmalloc.c.

#define assert ( x )

Definition at line 1456 of file dlmalloc.c.

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

Definition at line 2903 of file dlmalloc.c.

#define CALL_DIRECT_MMAP ( s ) DIRECT_MMAP_DEFAULT(s)

Definition at line 1746 of file dlmalloc.c.

#define CALL_MMAP ( s ) MMAP_DEFAULT(s)

Definition at line 1736 of file dlmalloc.c.

#define CALL_MORECORE ( S ) MORECORE_DEFAULT(S)

Definition at line 1721 of file dlmalloc.c.

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

Define CALL_MREMAP

Definition at line 1769 of file dlmalloc.c.

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

Definition at line 1741 of file dlmalloc.c.

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

Definition at line 2302 of file dlmalloc.c.

#define check_free_chunk	(	M,
		P
	)

Definition at line 2798 of file dlmalloc.c.

#define check_inuse_chunk	(	M,
		P
	)

Definition at line 2799 of file dlmalloc.c.

#define check_malloc_state ( M )

Definition at line 2802 of file dlmalloc.c.

#define check_malloced_chunk	(	M,
		P,
		N
	)

Definition at line 2800 of file dlmalloc.c.

#define check_mmapped_chunk	(	M,
		P
	)

Definition at line 2801 of file dlmalloc.c.

#define check_top_chunk	(	M,
		P
	)

Definition at line 2803 of file dlmalloc.c.

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

Definition at line 2223 of file dlmalloc.c.

#define CHUNK_ALIGN_MASK (MALLOC_ALIGNMENT - SIZE_T_ONE)

Definition at line 1619 of file dlmalloc.c.

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

Definition at line 2275 of file dlmalloc.c.

#define CHUNK_OVERHEAD (SIZE_T_SIZE)

Definition at line 2210 of file dlmalloc.c.

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

Definition at line 2274 of file dlmalloc.c.

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

Definition at line 2267 of file dlmalloc.c.

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

Definition at line 2261 of file dlmalloc.c.

#define CINUSE_BIT (SIZE_T_TWO)

Definition at line 2252 of file dlmalloc.c.

#define clear_flag4 ( p ) ((p)->head &= ~FLAG4_BIT)

Definition at line 2271 of file dlmalloc.c.

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

Definition at line 2269 of file dlmalloc.c.

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

Definition at line 2924 of file dlmalloc.c.

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

Definition at line 2928 of file dlmalloc.c.

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

Definition at line 1640 of file dlmalloc.c.

#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);\
}

Definition at line 2970 of file dlmalloc.c.

#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));\
  }\
}

Definition at line 2883 of file dlmalloc.c.

#define CORRUPTION_ERROR_ACTION ( m ) ABORT

Definition at line 2784 of file dlmalloc.c.

#define DEBUG 0

Definition at line 1458 of file dlmalloc.c.

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

Definition at line 673 of file dlmalloc.c.

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

Definition at line 687 of file dlmalloc.c.

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

Definition at line 680 of file dlmalloc.c.

#define DESTROY_LOCK ( lk ) pthread_mutex_destroy(lk)

Definition at line 2013 of file dlmalloc.c.

#define DIRECT_MMAP_DEFAULT ( s ) MMAP_DEFAULT(s)

Definition at line 1666 of file dlmalloc.c.

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

Definition at line 2666 of file dlmalloc.c.

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

Definition at line 2652 of file dlmalloc.c.

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

Definition at line 2660 of file dlmalloc.c.

#define dlbulk_free bulk_free

Definition at line 837 of file dlmalloc.c.

#define dlcalloc calloc

Definition at line 816 of file dlmalloc.c.

#define dlfree free

Definition at line 817 of file dlmalloc.c.

#define dlindependent_calloc independent_calloc

Definition at line 835 of file dlmalloc.c.

#define dlindependent_comalloc independent_comalloc

Definition at line 836 of file dlmalloc.c.

#define dlmallinfo mallinfo

Definition at line 825 of file dlmalloc.c.

#define dlmalloc malloc

Definition at line 818 of file dlmalloc.c.

#define DLMALLOC_EXPORT extern

Definition at line 530 of file dlmalloc.c.

#define dlmalloc_footprint malloc_footprint

Definition at line 830 of file dlmalloc.c.

#define dlmalloc_footprint_limit malloc_footprint_limit

Definition at line 832 of file dlmalloc.c.

#define dlmalloc_inspect_all malloc_inspect_all

Definition at line 834 of file dlmalloc.c.

#define dlmalloc_max_footprint malloc_max_footprint

Definition at line 831 of file dlmalloc.c.

#define dlmalloc_set_footprint_limit malloc_set_footprint_limit

Definition at line 833 of file dlmalloc.c.

void dlmalloc_stats malloc_stats

Definition at line 828 of file dlmalloc.c.

#define dlmalloc_trim malloc_trim

Definition at line 827 of file dlmalloc.c.

#define dlmalloc_usable_size malloc_usable_size

Definition at line 829 of file dlmalloc.c.

#define DLMALLOC_VERSION 20806

Definition at line 526 of file dlmalloc.c.

#define dlmallopt mallopt

Definition at line 826 of file dlmalloc.c.

#define dlmemalign memalign

Definition at line 819 of file dlmalloc.c.

#define dlposix_memalign posix_memalign

Definition at line 820 of file dlmalloc.c.

#define dlpvalloc pvalloc

Definition at line 824 of file dlmalloc.c.

#define dlrealloc realloc

Definition at line 821 of file dlmalloc.c.

#define dlrealloc_in_place realloc_in_place

Definition at line 822 of file dlmalloc.c.

#define dlvalloc valloc

Definition at line 823 of file dlmalloc.c.

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

Definition at line 2650 of file dlmalloc.c.

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

Definition at line 2658 of file dlmalloc.c.

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

Definition at line 2632 of file dlmalloc.c.

#define EXTERN_BIT (8U)

Definition at line 1776 of file dlmalloc.c.

#define FENCEPOST_HEAD (INUSE_BITS|SIZE_T_SIZE)

Definition at line 2258 of file dlmalloc.c.

#define FLAG4_BIT (SIZE_T_FOUR)

Definition at line 2253 of file dlmalloc.c.

#define flag4inuse ( p ) ((p)->head & FLAG4_BIT)

Definition at line 2263 of file dlmalloc.c.

#define FLAG_BITS (PINUSE_BIT|CINUSE_BIT|FLAG4_BIT)

Definition at line 2255 of file dlmalloc.c.

#define fm gm

#define FOOTERS 0

Definition at line 621 of file dlmalloc.c.

#define FORCEINLINE

Definition at line 808 of file dlmalloc.c.

#define FOUR_SIZE_T_SIZES (SIZE_T_SIZE<<2)

Definition at line 1614 of file dlmalloc.c.

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

Definition at line 2285 of file dlmalloc.c.

#define gm (&_gm_)

Definition at line 2638 of file dlmalloc.c.

#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:1610

malloc_params::granularity

size_t granularity

Definition: dlmalloc.c:2623

Definition at line 2678 of file dlmalloc.c.

#define HALF_MAX_SIZE_T (MAX_SIZE_T / 2U)

Definition at line 1616 of file dlmalloc.c.

#define HAVE_MMAP 1

Definition at line 640 of file dlmalloc.c.

#define HAVE_MORECORE 1

Definition at line 660 of file dlmalloc.c.

#define HAVE_MREMAP 0

Definition at line 650 of file dlmalloc.c.

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

Definition at line 2920 of file dlmalloc.c.

#define INITIAL_LOCK ( lk ) pthread_init_lock(lk)

Definition at line 2012 of file dlmalloc.c.

#define INSECURE 0

Definition at line 634 of file dlmalloc.c.

#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); }

malloc_tree_chunk

Definition: dlmalloc.c:2398

insert_large_chunk

#define insert_large_chunk(M, X, S)

Definition: dlmalloc.c:3650

insert_small_chunk

#define insert_small_chunk(M, P, S)

Definition: dlmalloc.c:3572

tchunkptr

struct malloc_tree_chunk * tchunkptr

Definition: dlmalloc.c:2411

is_small

#define is_small(s)

Definition: dlmalloc.c:2829

Definition at line 3791 of file dlmalloc.c.

#define insert_large_chunk	(	M,
		X,
		S
	)

Definition at line 3650 of file dlmalloc.c.

#define insert_small_chunk	(	M,
		P,
		S
	)

Value:

{\
  bindex_t I  = 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;\
}

Definition at line 3572 of file dlmalloc.c.

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

Definition at line 3813 of file dlmalloc.c.

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

Definition at line 3812 of file dlmalloc.c.

#define INUSE_BITS (PINUSE_BIT|CINUSE_BIT)

Definition at line 2254 of file dlmalloc.c.

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

Definition at line 1622 of file dlmalloc.c.

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

Definition at line 2482 of file dlmalloc.c.

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

Definition at line 2639 of file dlmalloc.c.

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

Definition at line 2695 of file dlmalloc.c.

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

Definition at line 2643 of file dlmalloc.c.

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

Definition at line 2264 of file dlmalloc.c.

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

Definition at line 2265 of file dlmalloc.c.

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

Definition at line 2481 of file dlmalloc.c.

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

Definition at line 2693 of file dlmalloc.c.

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

Definition at line 2829 of file dlmalloc.c.

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

Definition at line 2932 of file dlmalloc.c.

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

Definition at line 2935 of file dlmalloc.c.

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

Definition at line 2415 of file dlmalloc.c.

#define leftshift_for_tree_index ( i )

Value:

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

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

NTREEBINS

#define NTREEBINS

Definition: dlmalloc.c:2576

i

static uint64_t unsigned int i

Definition: memory-access.h:131

SIZE_T_BITSIZE

#define SIZE_T_BITSIZE

Definition: dlmalloc.c:1605

SIZE_T_ONE

#define SIZE_T_ONE

Definition: dlmalloc.c:1610

TREEBIN_SHIFT

#define TREEBIN_SHIFT

Definition: dlmalloc.c:2579

Definition at line 2907 of file dlmalloc.c.

#define LOCK_AT_FORK 0

Definition at line 1532 of file dlmalloc.c.

#define M_GRANULARITY (-2)

Definition at line 726 of file dlmalloc.c.

#define M_MMAP_THRESHOLD (-3)

Definition at line 727 of file dlmalloc.c.

#define M_TRIM_THRESHOLD (-1)

Definition at line 725 of file dlmalloc.c.

#define MALLINFO_FIELD_TYPE size_t

Definition at line 709 of file dlmalloc.c.

#define MALLOC_ALIGNMENT ((size_t)(2 * sizeof(void *)))

Definition at line 618 of file dlmalloc.c.

#define MALLOC_FAILURE_ACTION errno = ENOMEM;

Definition at line 654 of file dlmalloc.c.

#define malloc_getpagesize ((size_t)4096U)

Definition at line 1590 of file dlmalloc.c.

#define MALLOC_INSPECT_ALL 0

Definition at line 637 of file dlmalloc.c.

#define mark_inuse_foot	(	M,
		p,
		s
	)

Definition at line 3051 of file dlmalloc.c.

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

Definition at line 2923 of file dlmalloc.c.

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

Definition at line 2927 of file dlmalloc.c.

#define MAX_RELEASE_CHECK_RATE 4095

Definition at line 694 of file dlmalloc.c.

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

Definition at line 2229 of file dlmalloc.c.

#define MAX_SIZE_T (~(size_t)0)

Definition at line 585 of file dlmalloc.c.

#define MAX_SMALL_REQUEST (MAX_SMALL_SIZE - CHUNK_ALIGN_MASK - CHUNK_OVERHEAD)

Definition at line 2582 of file dlmalloc.c.

#define MAX_SMALL_SIZE (MIN_LARGE_SIZE - SIZE_T_ONE)

Definition at line 2581 of file dlmalloc.c.

#define MCHUNK_SIZE (sizeof(mchunk))

Definition at line 2205 of file dlmalloc.c.

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

Definition at line 2224 of file dlmalloc.c.

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

Definition at line 1639 of file dlmalloc.c.

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

Definition at line 2219 of file dlmalloc.c.

#define MIN_LARGE_SIZE (SIZE_T_ONE << TREEBIN_SHIFT)

Definition at line 2580 of file dlmalloc.c.

#define MIN_REQUEST (MIN_CHUNK_SIZE - CHUNK_OVERHEAD - SIZE_T_ONE)

Definition at line 2230 of file dlmalloc.c.

#define MIN_SMALL_INDEX (small_index(MIN_CHUNK_SIZE))

Definition at line 2832 of file dlmalloc.c.

#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)))

i

static uint64_t unsigned int i

Definition: memory-access.h:131

SIZE_T_ONE

#define SIZE_T_ONE

Definition: dlmalloc.c:1610

TREEBIN_SHIFT

#define TREEBIN_SHIFT

Definition: dlmalloc.c:2579

Definition at line 2912 of file dlmalloc.c.

#define MLOCK_T pthread_mutex_t

Definition at line 2008 of file dlmalloc.c.

#define mmap_align ( S ) page_align(S)

Definition at line 2687 of file dlmalloc.c.

#define MMAP_CHUNK_OVERHEAD (TWO_SIZE_T_SIZES)

Definition at line 2214 of file dlmalloc.c.

#define MMAP_CLEARS 1

Definition at line 643 of file dlmalloc.c.

#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))

Definition at line 1660 of file dlmalloc.c.

#define MMAP_FLAGS (MAP_PRIVATE)

Definition at line 1658 of file dlmalloc.c.

#define MMAP_FOOT_PAD (FOUR_SIZE_T_SIZES)

Definition at line 2216 of file dlmalloc.c.

#define MMAP_PROT (PROT_READ|PROT_WRITE)

Definition at line 1646 of file dlmalloc.c.

#define MORECORE_CONTIGUOUS 1

Definition at line 668 of file dlmalloc.c.

#define MORECORE_DEFAULT sbrk

Definition at line 666 of file dlmalloc.c.

#define MSPACES 0

Definition at line 614 of file dlmalloc.c.

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

Definition at line 1645 of file dlmalloc.c.

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

Definition at line 2278 of file dlmalloc.c.

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

Definition at line 2282 of file dlmalloc.c.

#define NO_MALLINFO 0

Definition at line 706 of file dlmalloc.c.

#define NO_MALLOC_STATS 0

Definition at line 712 of file dlmalloc.c.

#define NO_SEGMENT_TRAVERSAL 0

Definition at line 715 of file dlmalloc.c.

#define NOINLINE

Definition at line 797 of file dlmalloc.c.

#define NSMALLBINS (32U)

Definition at line 2575 of file dlmalloc.c.

#define NTREEBINS (32U)

Definition at line 2576 of file dlmalloc.c.

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

Definition at line 3014 of file dlmalloc.c.

#define ok_inuse ( p ) is_inuse(p)

Definition at line 3018 of file dlmalloc.c.

#define ok_magic ( M ) (1)

Definition at line 3033 of file dlmalloc.c.

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

Definition at line 3016 of file dlmalloc.c.

#define ok_pinuse ( p ) pinuse(p)

Definition at line 3020 of file dlmalloc.c.

#define ONLY_MSPACES 0

Definition at line 608 of file dlmalloc.c.

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

Definition at line 2297 of file dlmalloc.c.

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

Definition at line 2233 of file dlmalloc.c.

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

Definition at line 2674 of file dlmalloc.c.

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

Definition at line 2262 of file dlmalloc.c.

#define PINUSE_BIT (SIZE_T_ONE)

Definition at line 2251 of file dlmalloc.c.

#define POSTACTION ( M ) { if (use_lock(M)) RELEASE_LOCK(&(M)->mutex); }

Definition at line 2749 of file dlmalloc.c.

#define PREACTION ( M ) ((use_lock(M))? ACQUIRE_LOCK(&(M)->mutex) : 0)

Definition at line 2748 of file dlmalloc.c.

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

Definition at line 2279 of file dlmalloc.c.

#define PROCEED_ON_ERROR 0

Definition at line 630 of file dlmalloc.c.

#define RELEASE_LOCK ( lk ) pthread_mutex_unlock(lk)

Definition at line 2010 of file dlmalloc.c.

#define RELEASE_MALLOC_GLOBAL_LOCK ( ) RELEASE_LOCK(&malloc_global_mutex);

Definition at line 2047 of file dlmalloc.c.

#define replace_dv	(	M,
		P,
		S
	)

Value:

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

Definition at line 3636 of file dlmalloc.c.

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

Definition at line 2237 of file dlmalloc.c.

#define RTCHECK ( e ) (e)

Definition at line 3041 of file dlmalloc.c.

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

Definition at line 2938 of file dlmalloc.c.

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

Definition at line 2699 of file dlmalloc.c.

#define set_flag4 ( p ) ((p)->head |= FLAG4_BIT)

Definition at line 2270 of file dlmalloc.c.

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

Definition at line 2286 of file dlmalloc.c.

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

Definition at line 2293 of file dlmalloc.c.

#define set_inuse	(	M,
		p,
		s
	)

Value:

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

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

p

void * p

Definition: memory-access.h:143

malloc_chunk

Definition: dlmalloc.c:2189

PINUSE_BIT

#define PINUSE_BIT

Definition: dlmalloc.c:2251

CINUSE_BIT

#define CINUSE_BIT

Definition: dlmalloc.c:2252

Definition at line 3056 of file dlmalloc.c.

#define set_inuse_and_pinuse	(	M,
		p,
		s
	)

Value:

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

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

p

void * p

Definition: memory-access.h:143

mchunkptr

struct malloc_chunk * mchunkptr

Definition: dlmalloc.c:2197

PINUSE_BIT

#define PINUSE_BIT

Definition: dlmalloc.c:2251

CINUSE_BIT

#define CINUSE_BIT

Definition: dlmalloc.c:2252

Definition at line 3061 of file dlmalloc.c.

#define set_lock	(	M,
		L
	)

Value:

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

Definition at line 2668 of file dlmalloc.c.

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

Definition at line 2289 of file dlmalloc.c.

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

Definition at line 3066 of file dlmalloc.c.

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

Definition at line 2725 of file dlmalloc.c.

#define SIX_SIZE_T_SIZES (FOUR_SIZE_T_SIZES+TWO_SIZE_T_SIZES)

Definition at line 1615 of file dlmalloc.c.

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

Definition at line 1605 of file dlmalloc.c.

#define SIZE_T_FOUR ((size_t)4)

Definition at line 1612 of file dlmalloc.c.

#define SIZE_T_ONE ((size_t)1)

Definition at line 1610 of file dlmalloc.c.

#define SIZE_T_SIZE (sizeof(size_t))

Definition at line 1604 of file dlmalloc.c.

#define SIZE_T_TWO ((size_t)2)

Definition at line 1611 of file dlmalloc.c.

#define SIZE_T_ZERO ((size_t)0)

Definition at line 1609 of file dlmalloc.c.

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

Definition at line 2830 of file dlmalloc.c.

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

Definition at line 2831 of file dlmalloc.c.

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

Definition at line 2835 of file dlmalloc.c.

#define SMALLBIN_SHIFT (3U)

Definition at line 2577 of file dlmalloc.c.

#define SMALLBIN_WIDTH (SIZE_T_ONE << SMALLBIN_SHIFT)

Definition at line 2578 of file dlmalloc.c.

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

Definition at line 2925 of file dlmalloc.c.

#define STRUCT_MALLINFO_DECLARED 1

Definition at line 762 of file dlmalloc.c.

#define SYS_ALLOC_PADDING (TOP_FOOT_SIZE + MALLOC_ALIGNMENT)

Definition at line 2691 of file dlmalloc.c.

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

Definition at line 2735 of file dlmalloc.c.

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

Definition at line 2836 of file dlmalloc.c.

#define TREEBIN_SHIFT (8U)

Definition at line 2579 of file dlmalloc.c.

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

Definition at line 2929 of file dlmalloc.c.

#define TRY_LOCK ( lk ) (!pthread_mutex_trylock(lk))

Definition at line 2011 of file dlmalloc.c.

#define TWO_SIZE_T_SIZES (SIZE_T_SIZE<<1)

Definition at line 1613 of file dlmalloc.c.

#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); }

malloc_tree_chunk

Definition: dlmalloc.c:2398

unlink_small_chunk

#define unlink_small_chunk(M, P, S)

Definition: dlmalloc.c:3591

unlink_large_chunk

#define unlink_large_chunk(M, X)

Definition: dlmalloc.c:3718

tchunkptr

struct malloc_tree_chunk * tchunkptr

Definition: dlmalloc.c:2411

is_small

#define is_small(s)

Definition: dlmalloc.c:2829

Definition at line 3795 of file dlmalloc.c.

#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) && F->bk == P)) {\
    F->bk = B;\
    B->fd = F;\
  }\
  else {\
    CORRUPTION_ERROR_ACTION(M);\
  }\
}

Definition at line 3617 of file dlmalloc.c.

#define unlink_large_chunk	(	M,
		X
	)

Definition at line 3718 of file dlmalloc.c.

#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 (RTCHECK(F == smallbin_at(M,I) || (ok_address(M, F) && F->bk == P))) { \
    if (B == F) {\
      clear_smallmap(M, I);\
    }\
    else if (RTCHECK(B == smallbin_at(M,I) ||\
                     (ok_address(M, B) && B->fd == P))) {\
      F->bk = B;\
      B->fd = F;\
    }\
    else {\
      CORRUPTION_ERROR_ACTION(M);\
    }\
  }\
  else {\
    CORRUPTION_ERROR_ACTION(M);\
  }\
}

Definition at line 3591 of file dlmalloc.c.

#define USAGE_ERROR_ACTION	(	m,
		p
	)	ABORT

Definition at line 2788 of file dlmalloc.c.

#define USE_BUILTIN_FFS 0

Definition at line 700 of file dlmalloc.c.

#define USE_DEV_RANDOM 0

Definition at line 703 of file dlmalloc.c.

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

Definition at line 2649 of file dlmalloc.c.

#define USE_LOCK_BIT (2U)

Definition at line 2040 of file dlmalloc.c.

#define USE_LOCKS

Value:

((defined(USE_SPIN_LOCKS) && USE_SPIN_LOCKS != 0) || \

(defined(USE_RECURSIVE_LOCKS) && USE_RECURSIVE_LOCKS != 0))

USE_SPIN_LOCKS

#define USE_SPIN_LOCKS

Definition: dlmalloc.c:604

Definition at line 588 of file dlmalloc.c.

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

Definition at line 2657 of file dlmalloc.c.

#define USE_MMAP_BIT (SIZE_T_ONE)

Define CALL_MMAP/CALL_MUNMAP/CALL_DIRECT_MMAP

Definition at line 1731 of file dlmalloc.c.

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

Definition at line 2665 of file dlmalloc.c.

#define USE_NONCONTIGUOUS_BIT (4U)

Definition at line 1773 of file dlmalloc.c.

#define USE_SPIN_LOCKS 0

Definition at line 604 of file dlmalloc.c.

Typedef Documentation

typedef unsigned int bindex_t

Definition at line 2199 of file dlmalloc.c.

typedef unsigned int binmap_t

Definition at line 2200 of file dlmalloc.c.

typedef unsigned int flag_t

Definition at line 2201 of file dlmalloc.c.

typedef struct malloc_chunk mchunk

Definition at line 2196 of file dlmalloc.c.

typedef struct malloc_chunk* mchunkptr

Definition at line 2197 of file dlmalloc.c.

typedef struct malloc_segment msegment

Definition at line 2484 of file dlmalloc.c.

typedef struct malloc_segment* msegmentptr

Definition at line 2485 of file dlmalloc.c.

typedef struct malloc_state* mstate

Definition at line 2609 of file dlmalloc.c.

typedef struct malloc_chunk* sbinptr

Definition at line 2198 of file dlmalloc.c.

typedef struct malloc_tree_chunk* tbinptr

Definition at line 2412 of file dlmalloc.c.

typedef struct malloc_tree_chunk tchunk

Definition at line 2410 of file dlmalloc.c.

typedef struct malloc_tree_chunk* tchunkptr

Definition at line 2411 of file dlmalloc.c.

Function Documentation

DLMALLOC_EXPORT size_t dlbulk_free	(	void **	,
		size_t	n_elements
	)

size_t dlbulk_free	(	void *	array[],
		size_t	nelem
	)

Definition at line 5318 of file dlmalloc.c.

void * dlcalloc	(	size_t	n_elements,
		size_t	elem_size
	)

Definition at line 4793 of file dlmalloc.c.

void dlfree ( void * mem )

Definition at line 4684 of file dlmalloc.c.

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

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

Definition at line 5307 of file dlmalloc.c.

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

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

Definition at line 5313 of file dlmalloc.c.

struct mallinfo dlmallinfo ( void )

Definition at line 5371 of file dlmalloc.c.

void * dlmalloc ( size_t bytes )

Definition at line 4546 of file dlmalloc.c.

size_t dlmalloc_footprint ( void )

Definition at line 5346 of file dlmalloc.c.

size_t dlmalloc_footprint_limit ( void )

Definition at line 5354 of file dlmalloc.c.

size_t dlmalloc_max_footprint ( void )

Definition at line 5350 of file dlmalloc.c.

size_t dlmalloc_set_footprint_limit ( size_t bytes )

Definition at line 5359 of file dlmalloc.c.

DLMALLOC_EXPORT void dlmalloc_stats ( void )

Definition at line 5377 of file dlmalloc.c.

int dlmalloc_trim ( size_t pad )

Definition at line 5336 of file dlmalloc.c.

size_t dlmalloc_usable_size ( void * mem )

Definition at line 5386 of file dlmalloc.c.

int dlmallopt	(	int	param_number,
		int	value
	)

Definition at line 5382 of file dlmalloc.c.

void * dlmemalign	(	size_t	alignment,
		size_t	bytes
	)

Definition at line 5263 of file dlmalloc.c.

int dlposix_memalign	(	void **	pp,
		size_t	alignment,
		size_t	bytes
	)

Definition at line 5270 of file dlmalloc.c.

void * dlpvalloc ( size_t bytes )

Definition at line 5300 of file dlmalloc.c.

void * dlrealloc	(	void *	oldmem,
		size_t	bytes
	)

Definition at line 5187 of file dlmalloc.c.

void * dlrealloc_in_place	(	void *	oldmem,
		size_t	bytes
	)

Definition at line 5232 of file dlmalloc.c.

void * dlvalloc ( size_t bytes )

Definition at line 5293 of file dlmalloc.c.

void* MORECORE ( int size )

Define CALL_MORECORE

Data Structures

Macros

Typedefs

Functions

Macro Definition Documentation

Typedef Documentation

Function Documentation