#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:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	mallinfo
struct	malloc_chunk
struct	malloc_params
struct	malloc_segment
struct	malloc_state
struct	malloc_tree_chunk
Defines
#define	ABORT abort()
#define	ABORT_ON_ASSERT_FAILURE 1
#define	ACQUIRE_MALLOC_GLOBAL_LOCK()
#define	align_as_chunk(A) (mchunkptr)((A) + align_offset(chunk2mem(A)))
#define	align_offset(A)
#define	assert(x)
#define	bit_for_tree_index(i) (i == NTREEBINS-1)? (SIZE_T_BITSIZE-1) : (((i) >> 1) + TREEBIN_SHIFT - 2)
#define	CALL_DIRECT_MMAP(s) DIRECT_MMAP_DEFAULT(s)
#define	CALL_MMAP(s) MMAP_DEFAULT(s)
#define	CALL_MORECORE(S) MORECORE_DEFAULT(S)
#define	CALL_MREMAP(addr, osz, nsz, mv) MFAIL
#define	CALL_MUNMAP(a, s) MUNMAP_DEFAULT((a), (s))
#define	calloc_must_clear(p) (!is_mmapped(p))
#define	check_free_chunk(M, P)
#define	check_inuse_chunk(M, P)
#define	check_malloc_state(M)
#define	check_malloced_chunk(M, P, N)
#define	check_mmapped_chunk(M, P)
#define	check_top_chunk(M, P)
#define	chunk2mem(p) ((void)((char)(p) + TWO_SIZE_T_SIZES))
#define	CHUNK_ALIGN_MASK (MALLOC_ALIGNMENT - SIZE_T_ONE)
#define	chunk_minus_offset(p, s) ((mchunkptr)(((char*)(p)) - (s)))
#define	CHUNK_OVERHEAD (SIZE_T_SIZE)
#define	chunk_plus_offset(p, s) ((mchunkptr)(((char*)(p)) + (s)))
#define	chunksize(p) ((p)->head & ~(FLAG_BITS))
#define	cinuse(p) ((p)->head & CINUSE_BIT)
#define	CINUSE_BIT (SIZE_T_TWO)
#define	clear_pinuse(p) ((p)->head &= ~PINUSE_BIT)
#define	clear_smallmap(M, i) ((M)->smallmap &= ~idx2bit(i))
#define	clear_treemap(M, i) ((M)->treemap &= ~idx2bit(i))
#define	CMFAIL ((char)(MFAIL)) / defined for convenience */
#define	compute_bit2idx(X, I)
#define	compute_tree_index(S, I)
#define	CORRUPTION_ERROR_ACTION(m) ABORT
#define	DEBUG 0
#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	DIRECT_MMAP_DEFAULT(s) MMAP_DEFAULT(s)
#define	disable_contiguous(M) ((M)->mflags \|= USE_NONCONTIGUOUS_BIT)
#define	disable_lock(M) ((M)->mflags &= ~USE_LOCK_BIT)
#define	disable_mmap(M) ((M)->mflags &= ~USE_MMAP_BIT)
#define	DLMALLOC_VERSION 20804
#define	enable_lock(M) ((M)->mflags \|= USE_LOCK_BIT)
#define	enable_mmap(M) ((M)->mflags \|= USE_MMAP_BIT)
#define	ensure_initialization() (void)(mparams.magic != 0 \|\| init_mparams())
#define	EXTERN_BIT (8U)
#define	FENCEPOST_HEAD (INUSE_BITS\|SIZE_T_SIZE)
#define	FLAG4_BIT (SIZE_T_FOUR)
#define	FLAG_BITS (PINUSE_BIT\|CINUSE_BIT\|FLAG4_BIT)
#define	fm gm
#define	FOOTERS 0
#define	FORCEINLINE
#define	FOUR_SIZE_T_SIZES (SIZE_T_SIZE<<2)
#define	get_foot(p, s) (((mchunkptr)((char*)(p) + (s)))->prev_foot)
#define	gm (&_gm_)
#define	granularity_align(S)
#define	HALF_MAX_SIZE_T (MAX_SIZE_T / 2U)
#define	HAVE_MMAP 1
#define	HAVE_MORECORE 1
#define	HAVE_MREMAP 0
#define	idx2bit(i) ((binmap_t)(1) << (i))
#define	INITIAL_LOCK(l)
#define	INSECURE 0
#define	insert_chunk(M, P, S)
#define	insert_large_chunk(M, X, S)
#define	insert_small_chunk(M, P, S)
#define	internal_free(m, mem) dlfree(mem)
#define	internal_malloc(m, b) dlmalloc(b)
#define	INUSE_BITS (PINUSE_BIT\|CINUSE_BIT)
#define	is_aligned(A) (((size_t)((A)) & (CHUNK_ALIGN_MASK)) == 0)
#define	is_extern_segment(S) ((S)->sflags & EXTERN_BIT)
#define	is_global(M) ((M) == &_gm_)
#define	is_granularity_aligned(S) (((size_t)(S) & (mparams.granularity - SIZE_T_ONE)) == 0)
#define	is_initialized(M) ((M)->top != 0)
#define	is_inuse(p) (((p)->head & INUSE_BITS) != PINUSE_BIT)
#define	is_mmapped(p) (((p)->head & INUSE_BITS) == 0)
#define	is_mmapped_segment(S) ((S)->sflags & USE_MMAP_BIT)
#define	is_page_aligned(S) (((size_t)(S) & (mparams.page_size - SIZE_T_ONE)) == 0)
#define	is_small(s) (((s) >> SMALLBIN_SHIFT) < NSMALLBINS)
#define	least_bit(x) ((x) & -(x))
#define	left_bits(x) ((x<<1) \| -(x<<1))
#define	leftmost_child(t) ((t)->child[0] != 0? (t)->child[0] : (t)->child[1])
#define	leftshift_for_tree_index(i)
#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	malloc_getpagesize ((size_t)4096U)
#define	mark_inuse_foot(M, p, s)
#define	mark_smallmap(M, i) ((M)->smallmap \|= idx2bit(i))
#define	mark_treemap(M, i) ((M)->treemap \|= idx2bit(i))
#define	MAX_RELEASE_CHECK_RATE 4095
#define	MAX_REQUEST ((-MIN_CHUNK_SIZE) << 2)
#define	MAX_SIZE_T (~(size_t)0)
#define	MAX_SMALL_REQUEST (MAX_SMALL_SIZE - CHUNK_ALIGN_MASK - CHUNK_OVERHEAD)
#define	MAX_SMALL_SIZE (MIN_LARGE_SIZE - SIZE_T_ONE)
#define	MCHUNK_SIZE (sizeof(mchunk))
#define	mem2chunk(mem) ((mchunkptr)((char*)(mem) - TWO_SIZE_T_SIZES))
#define	MFAIL ((void*)(MAX_SIZE_T))
#define	MIN_CHUNK_SIZE ((MCHUNK_SIZE + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK)
#define	MIN_LARGE_SIZE (SIZE_T_ONE << TREEBIN_SHIFT)
#define	MIN_REQUEST (MIN_CHUNK_SIZE - CHUNK_OVERHEAD - SIZE_T_ONE)
#define	MIN_SMALL_INDEX (small_index(MIN_CHUNK_SIZE))
#define	minsize_for_tree_index(i)
#define	mmap_align(S) page_align(S)
#define	MMAP_CHUNK_OVERHEAD (TWO_SIZE_T_SIZES)
#define	MMAP_CLEARS 1
#define	MMAP_DEFAULT(s)
#define	MMAP_FLAGS (MAP_PRIVATE)
#define	MMAP_FOOT_PAD (FOUR_SIZE_T_SIZES)
#define	MMAP_PROT (PROT_READ\|PROT_WRITE)
#define	MORECORE_CONTIGUOUS 1
#define	MORECORE_DEFAULT sbrk
#define	MSPACES 0
#define	MUNMAP_DEFAULT(a, s) munmap((a), (s))
#define	next_chunk(p) ((mchunkptr)( ((char*)(p)) + ((p)->head & ~FLAG_BITS)))
#define	next_pinuse(p) ((next_chunk(p)->head) & PINUSE_BIT)
#define	NO_MALLINFO 0
#define	NO_SEGMENT_TRAVERSAL 1
#define	NOINLINE
#define	NSMALLBINS (32U)
#define	NTREEBINS (32U)
#define	ok_address(M, a) ((char*)(a) >= (M)->least_addr)
#define	ok_inuse(p) is_inuse(p)
#define	ok_magic(M) (1)
#define	ok_next(p, n) ((char)(p) < (char)(n))
#define	ok_pinuse(p) pinuse(p)
#define	ONLY_MSPACES 0 /* define to a value */
#define	overhead_for(p) (is_mmapped(p)? MMAP_CHUNK_OVERHEAD : CHUNK_OVERHEAD)
#define	pad_request(req) (((req) + CHUNK_OVERHEAD + CHUNK_ALIGN_MASK) & ~CHUNK_ALIGN_MASK)
#define	page_align(S) (((S) + (mparams.page_size - SIZE_T_ONE)) & ~(mparams.page_size - SIZE_T_ONE))
#define	pinuse(p) ((p)->head & PINUSE_BIT)
#define	PINUSE_BIT (SIZE_T_ONE)
#define	POSTACTION(M)
#define	PREACTION(M) (0)
#define	prev_chunk(p) ((mchunkptr)( ((char*)(p)) - ((p)->prev_foot) ))
#define	PROCEED_ON_ERROR 0
#define	RELEASE_MALLOC_GLOBAL_LOCK()
#define	replace_dv(M, P, S)
#define	request2size(req) (((req) < MIN_REQUEST)? MIN_CHUNK_SIZE : pad_request(req))
#define	RTCHECK(e) (e)
#define	same_or_left_bits(x) ((x) \| -(x))
#define	segment_holds(S, A) ((char)(A) >= S->base && (char)(A) < S->base + S->size)
#define	set_foot(p, s) (((mchunkptr)((char*)(p) + (s)))->prev_foot = (s))
#define	set_free_with_pinuse(p, s, n) (clear_pinuse(n), set_size_and_pinuse_of_free_chunk(p, s))
#define	set_inuse(M, p, s)
#define	set_inuse_and_pinuse(M, p, s)
#define	set_lock(M, L)
#define	set_size_and_pinuse_of_free_chunk(p, s) ((p)->head = (s\|PINUSE_BIT), set_foot(p, s))
#define	set_size_and_pinuse_of_inuse_chunk(M, p, s) ((p)->head = (s\|PINUSE_BIT\|CINUSE_BIT))
#define	should_trim(M, s) ((s) > (M)->trim_check)
#define	SIX_SIZE_T_SIZES (FOUR_SIZE_T_SIZES+TWO_SIZE_T_SIZES)
#define	SIZE_T_BITSIZE (sizeof(size_t) << 3)
#define	SIZE_T_FOUR ((size_t)4)
#define	SIZE_T_ONE ((size_t)1)
#define	SIZE_T_SIZE (sizeof(size_t))
#define	SIZE_T_TWO ((size_t)2)
#define	SIZE_T_ZERO ((size_t)0)
#define	small_index(s) ((s) >> SMALLBIN_SHIFT)
#define	small_index2size(i) ((i) << SMALLBIN_SHIFT)
#define	smallbin_at(M, i) ((sbinptr)((char*)&((M)->smallbins[(i)<<1])))
#define	SMALLBIN_SHIFT (3U)
#define	SMALLBIN_WIDTH (SIZE_T_ONE << SMALLBIN_SHIFT)
#define	smallmap_is_marked(M, i) ((M)->smallmap & idx2bit(i))
#define	SPIN_LOCKS_AVAILABLE 0
#define	STRUCT_MALLINFO_DECLARED 1
#define	SYS_ALLOC_PADDING (TOP_FOOT_SIZE + MALLOC_ALIGNMENT)
#define	TOP_FOOT_SIZE (align_offset(chunk2mem(0))+pad_request(sizeof(struct malloc_segment))+MIN_CHUNK_SIZE)
#define	treebin_at(M, i) (&((M)->treebins[i]))
#define	TREEBIN_SHIFT (8U)
#define	treemap_is_marked(M, i) ((M)->treemap & idx2bit(i))
#define	TWO_SIZE_T_SIZES (SIZE_T_SIZE<<1)
#define	unlink_chunk(M, P, S)
#define	unlink_first_small_chunk(M, B, P, I)
#define	unlink_large_chunk(M, X)
#define	unlink_small_chunk(M, P, S)
#define	USAGE_ERROR_ACTION(m, p) ABORT
#define	USE_BUILTIN_FFS 0
#define	USE_DEV_RANDOM 0
#define	USE_DL_PREFIX
#define	use_lock(M) ((M)->mflags & USE_LOCK_BIT)
#define	USE_LOCK_BIT (0U)
#define	USE_LOCKS 0
#define	use_mmap(M) ((M)->mflags & USE_MMAP_BIT)
#define	USE_MMAP_BIT (SIZE_T_ONE)
#define	use_noncontiguous(M) ((M)->mflags & USE_NONCONTIGUOUS_BIT)
#define	USE_NONCONTIGUOUS_BIT (4U)
#define	USE_SPIN_LOCKS 0
Typedefs
typedef unsigned int	bindex_t
typedef unsigned int	binmap_t
typedef unsigned int	flag_t
typedef struct malloc_chunk	mchunk
typedef struct malloc_chunk *	mchunkptr
typedef struct malloc_segment	msegment
typedef struct malloc_segment *	msegmentptr
typedef struct malloc_state *	mstate
typedef struct malloc_chunk *	sbinptr
typedef struct malloc_tree_chunk *	tbinptr
typedef struct malloc_tree_chunk	tchunk
typedef struct malloc_tree_chunk *	tchunkptr
Functions
static void	add_segment (mstate m, char *tbase, size_t tsize, flag_t mmapped)
static int	change_mparam (int param_number, int value)
void *	dlcalloc (size_t, size_t)
void	dlfree (void *)
void **	dlindependent_calloc (size_t, size_t, void **)
void **	dlindependent_calloc (size_t n_elements, size_t elem_size, void *chunks[])
void **	dlindependent_comalloc (size_t, size_t , void *)
void **	dlindependent_comalloc (size_t n_elements, size_t sizes[], void *chunks[])
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)
static int	has_segment_link (mstate m, msegmentptr ss)
static void **	ialloc (mstate m, size_t n_elements, size_t sizes, int opts, void chunks[])
static void	init_bins (mstate m)
static int	init_mparams (void)
static void	init_top (mstate m, mchunkptr p, size_t psize)
static struct mallinfo	internal_mallinfo (mstate m)
static void	internal_malloc_stats (mstate m)
static void *	internal_memalign (mstate m, size_t alignment, size_t bytes)
static void *	internal_realloc (mstate m, void *oldmem, size_t bytes)
static void *	mmap_alloc (mstate m, size_t nb)
static mchunkptr	mmap_resize (mstate m, mchunkptr oldp, size_t nb)
static void *	prepend_alloc (mstate m, char newbase, char oldbase, size_t nb)
static size_t	release_unused_segments (mstate m)
static msegmentptr	segment_holding (mstate m, char *addr)
static void *	sys_alloc (mstate m, size_t nb)
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)
Variables
static struct malloc_state	_gm_
static int	dev_zero_fd = -1
static struct malloc_params	mparams

Define Documentation

#define ABORT abort()

Definition at line 568 of file dlmalloc.c.

#define ABORT_ON_ASSERT_FAILURE 1

Definition at line 571 of file dlmalloc.c.

#define ACQUIRE_MALLOC_GLOBAL_LOCK ( )

Definition at line 1916 of file dlmalloc.c.

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

Definition at line 2095 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))

Definition at line 1463 of file dlmalloc.c.

#define assert ( x )

Definition at line 1310 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 2758 of file dlmalloc.c.

#define CALL_DIRECT_MMAP ( s ) DIRECT_MMAP_DEFAULT(s)

Definition at line 1584 of file dlmalloc.c.

#define CALL_MMAP ( s ) MMAP_DEFAULT(s)

Definition at line 1574 of file dlmalloc.c.

#define CALL_MORECORE ( S ) MORECORE_DEFAULT(S)

Define CALL_MORECORE

Definition at line 1559 of file dlmalloc.c.

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

Define CALL_MREMAP

Definition at line 1607 of file dlmalloc.c.

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

Definition at line 1579 of file dlmalloc.c.

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

Definition at line 2168 of file dlmalloc.c.

#define check_free_chunk	(	M,
		P
	)

Definition at line 2652 of file dlmalloc.c.

#define check_inuse_chunk	(	M,
		P
	)

Definition at line 2653 of file dlmalloc.c.

#define check_malloc_state ( M )

Definition at line 2656 of file dlmalloc.c.

#define check_malloced_chunk	(	M,
		P,
		N
	)

Definition at line 2654 of file dlmalloc.c.

#define check_mmapped_chunk	(	M,
		P
	)

Definition at line 2655 of file dlmalloc.c.

#define check_top_chunk	(	M,
		P
	)

Definition at line 2657 of file dlmalloc.c.

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

Definition at line 2092 of file dlmalloc.c.

#define CHUNK_ALIGN_MASK (MALLOC_ALIGNMENT - SIZE_T_ONE)

Definition at line 1457 of file dlmalloc.c.

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

Definition at line 2141 of file dlmalloc.c.

#define CHUNK_OVERHEAD (SIZE_T_SIZE)

Definition at line 2079 of file dlmalloc.c.

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

Definition at line 2140 of file dlmalloc.c.

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

Definition at line 2135 of file dlmalloc.c.

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

Definition at line 2130 of file dlmalloc.c.

#define CINUSE_BIT (SIZE_T_TWO)

Definition at line 2121 of file dlmalloc.c.

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

Definition at line 2137 of file dlmalloc.c.

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

Definition at line 2779 of file dlmalloc.c.

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

Definition at line 2783 of file dlmalloc.c.

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

Definition at line 1478 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 2825 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 2738 of file dlmalloc.c.

#define CORRUPTION_ERROR_ACTION ( m ) ABORT

Definition at line 2639 of file dlmalloc.c.

#define DEBUG 0

Definition at line 1312 of file dlmalloc.c.

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

Definition at line 622 of file dlmalloc.c.

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

Definition at line 636 of file dlmalloc.c.

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

Definition at line 629 of file dlmalloc.c.

#define DIRECT_MMAP_DEFAULT ( s ) MMAP_DEFAULT(s)

Definition at line 1504 of file dlmalloc.c.

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

Definition at line 2520 of file dlmalloc.c.

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

Definition at line 2513 of file dlmalloc.c.

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

Definition at line 2517 of file dlmalloc.c.

#define DLMALLOC_VERSION 20804

Definition at line 490 of file dlmalloc.c.

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

Definition at line 2512 of file dlmalloc.c.

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

Definition at line 2516 of file dlmalloc.c.

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

Definition at line 2494 of file dlmalloc.c.

#define EXTERN_BIT (8U)

Definition at line 1614 of file dlmalloc.c.

#define FENCEPOST_HEAD (INUSE_BITS|SIZE_T_SIZE)

Definition at line 2127 of file dlmalloc.c.

#define FLAG4_BIT (SIZE_T_FOUR)

Definition at line 2122 of file dlmalloc.c.

#define FLAG_BITS (PINUSE_BIT|CINUSE_BIT|FLAG4_BIT)

Definition at line 2124 of file dlmalloc.c.

#define fm gm

#define FOOTERS 0

Definition at line 565 of file dlmalloc.c.

#define FORCEINLINE

Definition at line 752 of file dlmalloc.c.

#define FOUR_SIZE_T_SIZES (SIZE_T_SIZE<<2)

Definition at line 1452 of file dlmalloc.c.

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

Definition at line 2151 of file dlmalloc.c.

#define gm (&_gm_)

Definition at line 2500 of file dlmalloc.c.

#define granularity_align ( S )

Value:

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

Definition at line 2532 of file dlmalloc.c.

#define HALF_MAX_SIZE_T (MAX_SIZE_T / 2U)

Definition at line 1454 of file dlmalloc.c.

#define HAVE_MMAP 1

Definition at line 590 of file dlmalloc.c.

#define HAVE_MORECORE 1

Definition at line 609 of file dlmalloc.c.

#define HAVE_MREMAP 0

Definition at line 599 of file dlmalloc.c.

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

Definition at line 2775 of file dlmalloc.c.

#define INITIAL_LOCK ( l )

Definition at line 1905 of file dlmalloc.c.

#define INSECURE 0

Definition at line 587 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); }

Definition at line 3630 of file dlmalloc.c.

#define insert_large_chunk	(	M,
		X,
		S
	)

Definition at line 3489 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 3416 of file dlmalloc.c.

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

Definition at line 3652 of file dlmalloc.c.

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

Definition at line 3651 of file dlmalloc.c.

#define INUSE_BITS (PINUSE_BIT|CINUSE_BIT)

Definition at line 2123 of file dlmalloc.c.

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

Definition at line 1460 of file dlmalloc.c.

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

Definition at line 2348 of file dlmalloc.c.

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

Definition at line 2501 of file dlmalloc.c.

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

Definition at line 2549 of file dlmalloc.c.

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

Definition at line 2505 of file dlmalloc.c.

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

Definition at line 2132 of file dlmalloc.c.

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

Definition at line 2133 of file dlmalloc.c.

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

Definition at line 2347 of file dlmalloc.c.

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

Definition at line 2547 of file dlmalloc.c.

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

Definition at line 2683 of file dlmalloc.c.

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

Definition at line 2787 of file dlmalloc.c.

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

Definition at line 2790 of file dlmalloc.c.

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

Definition at line 2281 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)))

Definition at line 2762 of file dlmalloc.c.

#define M_GRANULARITY (-2)

Definition at line 672 of file dlmalloc.c.

#define M_MMAP_THRESHOLD (-3)

Definition at line 673 of file dlmalloc.c.

#define M_TRIM_THRESHOLD (-1)

Definition at line 671 of file dlmalloc.c.

#define MALLINFO_FIELD_TYPE size_t

Definition at line 658 of file dlmalloc.c.

#define MALLOC_ALIGNMENT ((size_t)8U)

Definition at line 562 of file dlmalloc.c.

#define MALLOC_FAILURE_ACTION errno = ENOMEM;

Definition at line 603 of file dlmalloc.c.

#define malloc_getpagesize ((size_t)4096U)

Definition at line 1426 of file dlmalloc.c.

#define mark_inuse_foot	(	M,
		p,
		s
	)

Definition at line 2907 of file dlmalloc.c.

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

Definition at line 2778 of file dlmalloc.c.

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

Definition at line 2782 of file dlmalloc.c.

#define MAX_RELEASE_CHECK_RATE 4095

Definition at line 643 of file dlmalloc.c.

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

Definition at line 2098 of file dlmalloc.c.

#define MAX_SIZE_T (~(size_t)0)

Definition at line 547 of file dlmalloc.c.

#define MAX_SMALL_REQUEST (MAX_SMALL_SIZE - CHUNK_ALIGN_MASK - CHUNK_OVERHEAD)

Definition at line 2445 of file dlmalloc.c.

#define MAX_SMALL_SIZE (MIN_LARGE_SIZE - SIZE_T_ONE)

Definition at line 2444 of file dlmalloc.c.

#define MCHUNK_SIZE (sizeof(mchunk))

Definition at line 2074 of file dlmalloc.c.

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

Definition at line 2093 of file dlmalloc.c.

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

Definition at line 1477 of file dlmalloc.c.

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

Definition at line 2088 of file dlmalloc.c.

#define MIN_LARGE_SIZE (SIZE_T_ONE << TREEBIN_SHIFT)

Definition at line 2443 of file dlmalloc.c.

#define MIN_REQUEST (MIN_CHUNK_SIZE - CHUNK_OVERHEAD - SIZE_T_ONE)

Definition at line 2099 of file dlmalloc.c.

#define MIN_SMALL_INDEX (small_index(MIN_CHUNK_SIZE))

Definition at line 2686 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)))

Definition at line 2767 of file dlmalloc.c.

#define mmap_align ( S ) page_align(S)

Definition at line 2541 of file dlmalloc.c.

#define MMAP_CHUNK_OVERHEAD (TWO_SIZE_T_SIZES)

Definition at line 2083 of file dlmalloc.c.

#define MMAP_CLEARS 1

Definition at line 593 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 1498 of file dlmalloc.c.

#define MMAP_FLAGS (MAP_PRIVATE)

Definition at line 1496 of file dlmalloc.c.

#define MMAP_FOOT_PAD (FOUR_SIZE_T_SIZES)

Definition at line 2085 of file dlmalloc.c.

#define MMAP_PROT (PROT_READ|PROT_WRITE)

Definition at line 1484 of file dlmalloc.c.

#define MORECORE_CONTIGUOUS 1

Definition at line 617 of file dlmalloc.c.

#define MORECORE_DEFAULT sbrk

Definition at line 615 of file dlmalloc.c.

#define MSPACES 0

Definition at line 558 of file dlmalloc.c.

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

Definition at line 1483 of file dlmalloc.c.

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

Definition at line 2144 of file dlmalloc.c.

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

Definition at line 2148 of file dlmalloc.c.

#define NO_MALLINFO 0

Definition at line 655 of file dlmalloc.c.

#define NO_SEGMENT_TRAVERSAL 1

Definition at line 486 of file dlmalloc.c.

#define NOINLINE

Definition at line 741 of file dlmalloc.c.

#define NSMALLBINS (32U)

Definition at line 2438 of file dlmalloc.c.

#define NTREEBINS (32U)

Definition at line 2439 of file dlmalloc.c.

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

Definition at line 2869 of file dlmalloc.c.

#define ok_inuse ( p ) is_inuse(p)

Definition at line 2873 of file dlmalloc.c.

#define ok_magic ( M ) (1)

Definition at line 2888 of file dlmalloc.c.

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

Definition at line 2871 of file dlmalloc.c.

#define ok_pinuse ( p ) pinuse(p)

Definition at line 2875 of file dlmalloc.c.

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

Definition at line 550 of file dlmalloc.c.

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

Definition at line 2163 of file dlmalloc.c.

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

Definition at line 2102 of file dlmalloc.c.

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

Definition at line 2528 of file dlmalloc.c.

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

Definition at line 2131 of file dlmalloc.c.

#define PINUSE_BIT (SIZE_T_ONE)

Definition at line 2120 of file dlmalloc.c.

#define POSTACTION ( M )

Definition at line 2612 of file dlmalloc.c.

#define PREACTION ( M ) (0)

Definition at line 2608 of file dlmalloc.c.

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

Definition at line 2145 of file dlmalloc.c.

#define PROCEED_ON_ERROR 0

Definition at line 574 of file dlmalloc.c.

#define RELEASE_MALLOC_GLOBAL_LOCK ( )

Definition at line 1917 of file dlmalloc.c.

#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;\
}

Definition at line 3475 of file dlmalloc.c.

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

Definition at line 2106 of file dlmalloc.c.

#define RTCHECK ( e ) (e)

Definition at line 2897 of file dlmalloc.c.

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

Definition at line 2793 of file dlmalloc.c.

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

Definition at line 2553 of file dlmalloc.c.

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

Definition at line 2152 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 2159 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)

Definition at line 2912 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)

Definition at line 2917 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 2522 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 2155 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 2922 of file dlmalloc.c.

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

Definition at line 2579 of file dlmalloc.c.

#define SIX_SIZE_T_SIZES (FOUR_SIZE_T_SIZES+TWO_SIZE_T_SIZES)

Definition at line 1453 of file dlmalloc.c.

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

Definition at line 1443 of file dlmalloc.c.

#define SIZE_T_FOUR ((size_t)4)

Definition at line 1450 of file dlmalloc.c.

#define SIZE_T_ONE ((size_t)1)

Definition at line 1448 of file dlmalloc.c.

#define SIZE_T_SIZE (sizeof(size_t))

Definition at line 1442 of file dlmalloc.c.

#define SIZE_T_TWO ((size_t)2)

Definition at line 1449 of file dlmalloc.c.

#define SIZE_T_ZERO ((size_t)0)

Definition at line 1447 of file dlmalloc.c.

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

Definition at line 2684 of file dlmalloc.c.

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

Definition at line 2685 of file dlmalloc.c.

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

Definition at line 2689 of file dlmalloc.c.

#define SMALLBIN_SHIFT (3U)

Definition at line 2440 of file dlmalloc.c.

#define SMALLBIN_WIDTH (SIZE_T_ONE << SMALLBIN_SHIFT)

Definition at line 2441 of file dlmalloc.c.

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

Definition at line 2780 of file dlmalloc.c.

#define SPIN_LOCKS_AVAILABLE 0

Definition at line 543 of file dlmalloc.c.

#define STRUCT_MALLINFO_DECLARED 1

Definition at line 706 of file dlmalloc.c.

#define SYS_ALLOC_PADDING (TOP_FOOT_SIZE + MALLOC_ALIGNMENT)

Definition at line 2545 of file dlmalloc.c.

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

Definition at line 2589 of file dlmalloc.c.

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

Definition at line 2690 of file dlmalloc.c.

#define TREEBIN_SHIFT (8U)

Definition at line 2442 of file dlmalloc.c.

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

Definition at line 2784 of file dlmalloc.c.

#define TWO_SIZE_T_SIZES (SIZE_T_SIZE<<1)

Definition at line 1451 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); }

Definition at line 3634 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))) {\
    B->fd = F;\
    F->bk = B;\
  }\
  else {\
    CORRUPTION_ERROR_ACTION(M);\
  }\
}

Definition at line 3455 of file dlmalloc.c.

#define unlink_large_chunk	(	M,
		X
	)

Definition at line 3557 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 (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);\
  }\
}

Definition at line 3435 of file dlmalloc.c.

#define USAGE_ERROR_ACTION	(	m,
		p
	)	ABORT

Definition at line 2643 of file dlmalloc.c.

#define USE_BUILTIN_FFS 0

Definition at line 649 of file dlmalloc.c.

#define USE_DEV_RANDOM 0

Definition at line 652 of file dlmalloc.c.

#define USE_DL_PREFIX

Definition at line 483 of file dlmalloc.c.

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

Definition at line 2511 of file dlmalloc.c.

#define USE_LOCK_BIT (0U)

Definition at line 1904 of file dlmalloc.c.

#define USE_LOCKS 0

Definition at line 577 of file dlmalloc.c.

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

Definition at line 2515 of file dlmalloc.c.

#define USE_MMAP_BIT (SIZE_T_ONE)

Define CALL_MMAP/CALL_MUNMAP/CALL_DIRECT_MMAP

Definition at line 1569 of file dlmalloc.c.

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

Definition at line 2519 of file dlmalloc.c.

#define USE_NONCONTIGUOUS_BIT (4U)

Definition at line 1611 of file dlmalloc.c.

#define USE_SPIN_LOCKS 0

Definition at line 583 of file dlmalloc.c.

Typedef Documentation

typedef unsigned int bindex_t

Definition at line 2068 of file dlmalloc.c.

typedef unsigned int binmap_t

Definition at line 2069 of file dlmalloc.c.

typedef unsigned int flag_t

Definition at line 2070 of file dlmalloc.c.

typedef struct malloc_chunk mchunk

Definition at line 2065 of file dlmalloc.c.

typedef struct malloc_chunk* mchunkptr

Definition at line 2066 of file dlmalloc.c.

typedef struct malloc_segment msegment

Definition at line 2350 of file dlmalloc.c.

typedef struct malloc_segment* msegmentptr

Definition at line 2351 of file dlmalloc.c.

typedef struct malloc_state* mstate

Definition at line 2471 of file dlmalloc.c.

typedef struct malloc_chunk* sbinptr

Definition at line 2067 of file dlmalloc.c.

typedef struct malloc_tree_chunk* tbinptr

Definition at line 2278 of file dlmalloc.c.

typedef struct malloc_tree_chunk tchunk

Definition at line 2276 of file dlmalloc.c.

typedef struct malloc_tree_chunk* tchunkptr

Definition at line 2277 of file dlmalloc.c.

Function Documentation

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

Definition at line 3816 of file dlmalloc.c.

static int change_mparam	(	int	param_number,
		int	value
	)		`[static]`

Definition at line 3039 of file dlmalloc.c.

void * dlcalloc	(	size_t	n_elements,
		size_t	elem_size
	)

Definition at line 4838 of file dlmalloc.c.

void dlfree ( void * mem )

Definition at line 4729 of file dlmalloc.c.

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

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

Definition at line 4880 of file dlmalloc.c.

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

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

Definition at line 4886 of file dlmalloc.c.

struct mallinfo dlmallinfo ( void ) [read]

Definition at line 4924 of file dlmalloc.c.

void * dlmalloc ( size_t bytes )

Definition at line 4593 of file dlmalloc.c.

size_t dlmalloc_footprint ( void )

Definition at line 4915 of file dlmalloc.c.

size_t dlmalloc_max_footprint ( void )

Definition at line 4919 of file dlmalloc.c.

void dlmalloc_stats ( void )

Definition at line 4929 of file dlmalloc.c.

int dlmalloc_trim ( size_t pad )

Definition at line 4905 of file dlmalloc.c.

size_t dlmalloc_usable_size ( void * mem )

Definition at line 4939 of file dlmalloc.c.

int dlmallopt	(	int	param_number,
		int	value
	)

Definition at line 4933 of file dlmalloc.c.

void * dlmemalign	(	size_t	alignment,
		size_t	bytes
	)

Definition at line 4876 of file dlmalloc.c.

void * dlpvalloc ( size_t bytes )

Definition at line 4898 of file dlmalloc.c.

void * dlrealloc	(	void *	oldmem,
		size_t	bytes
	)

Definition at line 4853 of file dlmalloc.c.

void * dlvalloc ( size_t bytes )

Definition at line 4891 of file dlmalloc.c.

static int has_segment_link	(	mstate	m,
		msegmentptr	ss
	)		`[static]`

Definition at line 2568 of file dlmalloc.c.

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

Definition at line 4461 of file dlmalloc.c.

static void init_bins ( mstate m ) [static]

Definition at line 3745 of file dlmalloc.c.

static int init_mparams ( void ) [static]

Definition at line 2954 of file dlmalloc.c.

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

Definition at line 3730 of file dlmalloc.c.

static struct mallinfo internal_mallinfo ( mstate m ) [static, read]

Definition at line 3333 of file dlmalloc.c.

static void internal_malloc_stats ( mstate m ) [static]

Definition at line 3373 of file dlmalloc.c.

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

Definition at line 4374 of file dlmalloc.c.

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

Definition at line 4299 of file dlmalloc.c.

static void* mmap_alloc	(	mstate	m,
		size_t	nb
	)		`[static]`

Definition at line 3667 of file dlmalloc.c.

static mchunkptr mmap_resize	(	mstate	m,
		mchunkptr	oldp,
		size_t	nb
	)		`[static]`

Definition at line 3694 of file dlmalloc.c.

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

Definition at line 3774 of file dlmalloc.c.

static size_t release_unused_segments ( mstate m ) [static]

Definition at line 4074 of file dlmalloc.c.

static msegmentptr segment_holding	(	mstate	m,
		char *	addr
	)		`[static]`

Definition at line 2557 of file dlmalloc.c.

static void* sys_alloc	(	mstate	m,
		size_t	nb
	)		`[static]`

Definition at line 3871 of file dlmalloc.c.

static int sys_trim	(	mstate	m,
		size_t	pad
	)		`[static]`

Definition at line 4121 of file dlmalloc.c.

static void* tmalloc_large	(	mstate	m,
		size_t	nb
	)		`[static]`

Definition at line 4189 of file dlmalloc.c.

static void* tmalloc_small	(	mstate	m,
		size_t	nb
	)		`[static]`

Definition at line 4260 of file dlmalloc.c.

Variable Documentation

struct malloc_state _gm_ [static]

Definition at line 2499 of file dlmalloc.c.

int dev_zero_fd = -1 [static]

Definition at line 1497 of file dlmalloc.c.

struct malloc_params mparams [static]

Definition at line 2491 of file dlmalloc.c.

Classes

Defines

Typedefs

Functions

Variables

Define Documentation

Typedef Documentation

Function Documentation

Variable Documentation