bsdmalloc.h File Reference

#include <nlibc.h>
#include <unistd.h>

Include dependency graph for bsdmalloc.h:

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

Go to the source code of this file.

Classes
union	overhead
Defines
#define	overhead   __malloc_overhead
#define	pagebucket   __malloc_pagebucket
#define	pagesz   __malloc_pagesz
#define	nmalloc   __malloc_nmalloc
#define	realloc_srchlen   __malloc_realloc_srchlen
#define	ov_magic   ovu.ovu_magic
#define	ov_index   ovu.ovu_index
#define	ov_rmagic   ovu.ovu_rmagic
#define	ov_size   ovu.ovu_size
#define	MAGIC   0xef
#define	RMAGIC   0x5555
#define	RSLOP   0
#define	NBUCKETS   30
#define	MALLOC_ASSERT(p)
#define	w_sizeof(OBJ)   (sizeof_aligned(OBJ)>>4)
#define	malloc(BYTES)   wmalloc(((BYTES)+15)>>4)
#define	realloc(PTR, NBYTES)   wrealloc(PTR,((NBYTES)+15)>>4)
#define	calloc(N, BYTESIZE)   wcalloc((N),((BYTESIZE+15)>>4))
Functions
int	getpagesize ()
void	morecore ()
int	findbucket ()
void *	wmalloc (size_t nwords)
void	free (void *cp)
void *	wrealloc (void *cp, size_t nwords)
void *	wcalloc (size_t nmemb, size_t words)
Variables
overhead *	nextf [NBUCKETS]
int	pagebucket = 0
int	pagesz = 0
int	realloc_srchlen = 4

---

Define Documentation

#define calloc (  N, BYTESIZE   )     wcalloc((N),((BYTESIZE+15)>>4))

calloc() allocates memory for an array of nmemb elements of size bytes each and returns a pointer to the allocated memory. The memory is set to zero. Definition at line 419 of file bsdmalloc.h.

#define MAGIC   0xef

Definition at line 104 of file bsdmalloc.h.

#define malloc (  BYTES   )     wmalloc(((BYTES)+15)>>4)

Definition at line 156 of file bsdmalloc.h.

#define MALLOC_ASSERT (  p   )

Definition at line 151 of file bsdmalloc.h.

#define NBUCKETS   30

Definition at line 119 of file bsdmalloc.h.

#define nmalloc   __malloc_nmalloc

Definition at line 85 of file bsdmalloc.h.

#define ov_index   ovu.ovu_index

Definition at line 99 of file bsdmalloc.h.

#define ov_magic   ovu.ovu_magic

Definition at line 98 of file bsdmalloc.h.

#define ov_rmagic   ovu.ovu_rmagic

Definition at line 100 of file bsdmalloc.h.

#define ov_size   ovu.ovu_size

Definition at line 101 of file bsdmalloc.h.

#define overhead   __malloc_overhead

Definition at line 82 of file bsdmalloc.h.

#define pagebucket   __malloc_pagebucket

Definition at line 83 of file bsdmalloc.h.

#define pagesz   __malloc_pagesz

Definition at line 84 of file bsdmalloc.h.

#define realloc (  PTR, NBYTES   )     wrealloc(PTR,((NBYTES)+15)>>4)

Definition at line 341 of file bsdmalloc.h.

#define realloc_srchlen   __malloc_realloc_srchlen

Definition at line 86 of file bsdmalloc.h.

#define RMAGIC   0x5555

Definition at line 105 of file bsdmalloc.h.

#define RSLOP   0

Definition at line 110 of file bsdmalloc.h.

#define w_sizeof (  OBJ   )     (sizeof_aligned(OBJ)>>4)

Definition at line 154 of file bsdmalloc.h.

---

Function Documentation

int findbucket (   )  [static]

void free (  void *  cp  )

int getpagesize (   )  [inline]

Definition at line 62 of file bsdmalloc.h.

void morecore (   )  [static]

void* wcalloc (  size_t  nmemb, size_t  words )  [inline]

wcalloc() allocates memory for an array of nmemb elements of size words each and returns a pointer to the allocated memory. The memory is set to zero. Definition at line 429 of file bsdmalloc.h. References size_t, wmalloc(), and wmemset().

void* wmalloc (  size_t  nwords  )

Referenced by wcalloc().

void* wrealloc (  void *  cp, size_t  nwords )

---

Variable Documentation

union overhead* nextf[NBUCKETS] [static]

Definition at line 120 of file bsdmalloc.h.

int pagebucket = 0 [static]

Definition at line 122 of file bsdmalloc.h.

int pagesz = 0 [static]

Definition at line 123 of file bsdmalloc.h.

int realloc_srchlen = 4

Definition at line 339 of file bsdmalloc.h.

---