malloc.h File Reference

Standard C Malloc functionality. More...

#include <sys/cdefs.h>
#include <arch/types.h>

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Data Structures
struct	mallinfo
	ANSI C functions. More...

Macros
#define	M_MXFAST   1
#define	DEFAULT_MXFAST   64
#define	M_TRIM_THRESHOLD   -1
#define	DEFAULT_TRIM_THRESHOLD   (256*1024)
#define	M_TOP_PAD   -2
#define	DEFAULT_TOP_PAD   0
#define	M_MMAP_THRESHOLD   -3
#define	DEFAULT_MMAP_THRESHOLD   (256*1024)
#define	M_MMAP_MAX   -4
#define	DEFAULT_MMAP_MAX   65536

Functions
void *	malloc (size_t size)
	Allocate a block of memory.
void *	calloc (size_t nmemb, size_t size)
	Allocate a block of memory and initialize it to 0.
void	free (void *ptr)
	Release a previously allocated block of memory.
void *	realloc (void *ptr, size_t size)
	Change the size of a previously allocated block of memory.
void *	memalign (size_t alignment, size_t size)
	Allocate a block of memory aligned to a specified block size.
void *	valloc (size_t size)
	Allocate a block of memory aligned to the system page size.
void *	aligned_alloc (size_t alignment, size_t size)
	Allocate memory aligned to a specified block size.
struct mallinfo	mallinfo ()
	Sets tunable parameters for malloc related options.
int	mallopt (int, int)
void	malloc_stats (void)
	Debug function.
int	malloc_irq_safe (void)
	Determine if it is safe to call malloc() in an IRQ context.
int	mem_check_block (void *p)
	Only available with KM_DBG.
int	mem_check_all (void)
	Only available with KM_DBG.

Detailed Description

Standard C Malloc functionality.

This implements standard C heap allocation, deallocation, and stats.

Author

Megan Potter

Lawrence Sebald