dlmalloc.h File Reference

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Data Structures
struct	dlmallinfo

Macros
#define	FOOTERS   1 /* extra debugging */
#define	DLM_MAGIC_CONSTANT   0xdeaddabe
#define	USE_LOCKS   1
#define	DLM_ABORT   {extern void os_panic(void); os_panic(); abort();}
#define	ONLY_MSPACES   1
#define	DLMALLOC_VERSION   20806
#define	DLMALLOC_EXPORT   extern
#define	MAX_SIZE_T   (~(size_t)0)
#define	MSPACES   1
#define	MALLOC_ALIGNMENT   ((size_t)(2 * sizeof(void *)))
#define	DLM_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   0
#define	MORECORE_CONTIGUOUS   0
#define	DEFAULT_GRANULARITY   ((size_t)64U * (size_t)1024U)
#define	DEFAULT_TRIM_THRESHOLD   ((size_t)2U * (size_t)1024U * (size_t)1024U)
#define	DEFAULT_MMAP_THRESHOLD   ((size_t)~0ULL)
#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_DECLARED   1
#define	NOINLINE
#define	FORCEINLINE

Typedefs
typedef void *	mspace

Functions
DLMALLOC_EXPORT mspace	create_mspace (size_t capacity, int locked)
DLMALLOC_EXPORT size_t	destroy_mspace (mspace msp)
DLMALLOC_EXPORT mspace	create_mspace_with_base (void *base, size_t capacity, int locked)
DLMALLOC_EXPORT int	mspace_track_large_chunks (mspace msp, int enable)
DLMALLOC_EXPORT void *	mspace_malloc (mspace msp, size_t bytes)
DLMALLOC_EXPORT void	mspace_free (mspace msp, void *mem)
DLMALLOC_EXPORT void *	mspace_realloc (mspace msp, void *mem, size_t newsize)
DLMALLOC_EXPORT void *	mspace_calloc (mspace msp, size_t n_elements, size_t elem_size)
DLMALLOC_EXPORT void *	mspace_memalign (mspace msp, size_t alignment, size_t bytes)
DLMALLOC_EXPORT void **	mspace_independent_calloc (mspace msp, size_t n_elements, size_t elem_size, void *chunks[])
DLMALLOC_EXPORT void **	mspace_independent_comalloc (mspace msp, size_t n_elements, size_t sizes[], void *chunks[])
DLMALLOC_EXPORT size_t	mspace_footprint (mspace msp)
DLMALLOC_EXPORT size_t	mspace_max_footprint (mspace msp)
DLMALLOC_EXPORT struct dlmallinfo	mspace_mallinfo (mspace msp)
DLMALLOC_EXPORT size_t	mspace_usable_size (const void *mem)
DLMALLOC_EXPORT void	mspace_malloc_stats (mspace msp)
DLMALLOC_EXPORT int	mspace_trim (mspace msp, size_t pad)
DLMALLOC_EXPORT int	mspace_mallopt (int, int)
DLMALLOC_EXPORT void *	mspace_get_aligned (mspace msp, unsigned long n_user_data_bytes, unsigned long align, unsigned long align_offset)
DLMALLOC_EXPORT int	mspace_is_heap_object (mspace msp, void *p)
DLMALLOC_EXPORT void	mspace_get_address_and_size (mspace msp, char **addrp, size_t *sizep)
DLMALLOC_EXPORT void	mspace_put (mspace msp, void *p)
DLMALLOC_EXPORT void	mspace_put_no_offset (mspace msp, void *p)
DLMALLOC_EXPORT size_t	mspace_usable_size_with_delta (const void *p)
DLMALLOC_EXPORT void	mspace_disable_expand (mspace msp)
DLMALLOC_EXPORT void *	mspace_least_addr (mspace msp)
DLMALLOC_EXPORT void	mheap_get_trace (uword offset, uword size)
DLMALLOC_EXPORT void	mheap_put_trace (uword offset, uword size)
DLMALLOC_EXPORT int	mspace_enable_disable_trace (mspace msp, int enable)

Macro Definition Documentation

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

Definition at line 690 of file dlmalloc.h.

#define DEFAULT_MMAP_THRESHOLD   ((size_t)~0ULL)

Definition at line 723 of file dlmalloc.h.

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

Definition at line 695 of file dlmalloc.h.

#define DLM_ABORT   {extern void os_panic(void); os_panic(); abort();}

Definition at line 534 of file dlmalloc.h.

#define DLM_ABORT_ON_ASSERT_FAILURE   1

Definition at line 642 of file dlmalloc.h.

#define DLM_MAGIC_CONSTANT   0xdeaddabe

Definition at line 531 of file dlmalloc.h.

#define DLMALLOC_EXPORT   extern

Definition at line 545 of file dlmalloc.h.

#define DLMALLOC_VERSION   20806

Definition at line 541 of file dlmalloc.h.

#define FOOTERS   1 /* extra debugging */

Definition at line 530 of file dlmalloc.h.

#define FORCEINLINE

Definition at line 844 of file dlmalloc.h.

#define HAVE_MMAP   1

Definition at line 655 of file dlmalloc.h.

#define HAVE_MORECORE   0

Definition at line 673 of file dlmalloc.h.

#define HAVE_MREMAP   0

Definition at line 665 of file dlmalloc.h.

#define INSECURE   0

Definition at line 649 of file dlmalloc.h.

#define M_GRANULARITY   (-2)

Definition at line 762 of file dlmalloc.h.

#define M_MMAP_THRESHOLD   (-3)

Definition at line 763 of file dlmalloc.h.

#define M_TRIM_THRESHOLD   (-1)

Definition at line 761 of file dlmalloc.h.

#define MALLINFO_FIELD_TYPE   size_t

Definition at line 745 of file dlmalloc.h.

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

Definition at line 633 of file dlmalloc.h.

#define MALLOC_FAILURE_ACTION   errno = ENOMEM;

Definition at line 669 of file dlmalloc.h.

#define MALLOC_INSPECT_ALL   0

Definition at line 652 of file dlmalloc.h.

#define MAX_RELEASE_CHECK_RATE   4095

Definition at line 730 of file dlmalloc.h.

#define MAX_SIZE_T   (~(size_t)0)

Definition at line 600 of file dlmalloc.h.

#define MMAP_CLEARS   1

Definition at line 658 of file dlmalloc.h.

#define MORECORE_CONTIGUOUS   0

Definition at line 679 of file dlmalloc.h.

#define MSPACES   1

Definition at line 627 of file dlmalloc.h.

#define NO_MALLINFO   0

Definition at line 742 of file dlmalloc.h.

#define NO_MALLOC_STATS   0

Definition at line 748 of file dlmalloc.h.

#define NO_SEGMENT_TRAVERSAL   0

Definition at line 751 of file dlmalloc.h.

#define NOINLINE

Definition at line 833 of file dlmalloc.h.

#define ONLY_MSPACES   1

Definition at line 535 of file dlmalloc.h.

#define PROCEED_ON_ERROR   0

Definition at line 645 of file dlmalloc.h.

#define STRUCT_MALLINFO_DECLARED   1

Definition at line 798 of file dlmalloc.h.

#define USE_BUILTIN_FFS   0

Definition at line 736 of file dlmalloc.h.

#define USE_DEV_RANDOM   0

Definition at line 739 of file dlmalloc.h.

#define USE_LOCKS   1

Definition at line 533 of file dlmalloc.h.

Typedef Documentation

typedef void* mspace

Definition at line 1306 of file dlmalloc.h.

Function Documentation

DLMALLOC_EXPORT mspace create_mspace	(	size_t	capacity,
		int	locked
	)

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

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DLMALLOC_EXPORT size_t destroy_mspace

(

mspace

msp

)

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DLMALLOC_EXPORT void mheap_get_trace	(	uword	offset,
		uword	size
	)

Definition at line 64 of file mem_dlmalloc.c.

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DLMALLOC_EXPORT void mheap_put_trace	(	uword	offset,
		uword	size
	)

Definition at line 151 of file mem_dlmalloc.c.

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

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DLMALLOC_EXPORT void mspace_disable_expand

(

mspace

msp

)

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DLMALLOC_EXPORT int mspace_enable_disable_trace	(	mspace	msp,
		int	enable
	)

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DLMALLOC_EXPORT size_t mspace_footprint

(

mspace

msp

)

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DLMALLOC_EXPORT void mspace_free	(	mspace	msp,
		void *	mem
	)

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DLMALLOC_EXPORT void mspace_get_address_and_size	(	mspace	msp,
		char **	addrp,
		size_t *	sizep
	)

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DLMALLOC_EXPORT void* mspace_get_aligned	(	mspace	msp,
		unsigned long	n_user_data_bytes,
		unsigned long	align,
		unsigned long	align_offset
	)

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

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

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DLMALLOC_EXPORT int mspace_is_heap_object	(	mspace	msp,
		void *	p
	)

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DLMALLOC_EXPORT void* mspace_least_addr

(

mspace

msp

)

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DLMALLOC_EXPORT struct dlmallinfo mspace_mallinfo

(

mspace

msp

)

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DLMALLOC_EXPORT void* mspace_malloc	(	mspace	msp,
		size_t	bytes
	)

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DLMALLOC_EXPORT void mspace_malloc_stats

(

mspace

msp

)

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DLMALLOC_EXPORT int mspace_mallopt	(	int	,
		int
	)

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DLMALLOC_EXPORT size_t mspace_max_footprint

(

mspace

msp

)

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

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DLMALLOC_EXPORT void mspace_put	(	mspace	msp,
		void *	p
	)

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DLMALLOC_EXPORT void mspace_put_no_offset	(	mspace	msp,
		void *	p
	)

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

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DLMALLOC_EXPORT int mspace_track_large_chunks	(	mspace	msp,
		int	enable
	)

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DLMALLOC_EXPORT int mspace_trim	(	mspace	msp,
		size_t	pad
	)

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DLMALLOC_EXPORT size_t mspace_usable_size

(

const void *

mem

)

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DLMALLOC_EXPORT size_t mspace_usable_size_with_delta

(

const void *

p

)

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