sys_heap.h File Reference

#include <stddef.h>
#include <stdbool.h>
#include <zephyr/types.h>
#include <zephyr/sys/mem_stats.h>
#include <zephyr/toolchain.h>

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Data Structures
struct	sys_heap

Functions
int	sys_heap_runtime_stats_get (struct sys_heap *heap, struct sys_memory_stats *stats)
	Get the runtime statistics of a sys_heap.
int	sys_heap_runtime_stats_reset_max (struct sys_heap *heap)
	Reset the maximum heap usage.
void	sys_heap_init (struct sys_heap *heap, void *mem, size_t bytes)
	Initialize sys_heap.
void *	sys_heap_alloc (struct sys_heap *heap, size_t bytes)
	Allocate memory from a sys_heap.
void *	sys_heap_aligned_alloc (struct sys_heap *heap, size_t align, size_t bytes)
	Allocate aligned memory from a sys_heap.
void *	sys_heap_noalign_alloc (struct sys_heap *heap, size_t align, size_t bytes)
	Allocate memory from a sys_heap.
void	sys_heap_free (struct sys_heap *heap, void *mem)
	Free memory into a sys_heap.
void *	sys_heap_realloc (struct sys_heap *heap, void *ptr, size_t bytes)
	Expand the size of an existing allocation.
void *	sys_heap_aligned_realloc (struct sys_heap *heap, void *ptr, size_t align, size_t bytes)
	Expand the size of an existing allocation.
size_t	sys_heap_usable_size (struct sys_heap *heap, void *mem)
	Return allocated memory size.
static bool	sys_heap_validate (struct sys_heap *heap)
	Validate heap integrity.
void	sys_heap_stress (void *(*alloc_fn)(void *arg, size_t bytes), void(*free_fn)(void *arg, void *p), void *arg, size_t total_bytes, uint32_t op_count, void *scratch_mem, size_t scratch_bytes, int target_percent, struct z_heap_stress_result *result)
	sys_heap stress test rig
void	sys_heap_print_info (struct sys_heap *heap, bool dump_chunks)
	Print heap internal structure information to the console.
int	sys_heap_array_save (struct sys_heap *heap)
	Save the heap pointer.
int	sys_heap_array_get (struct sys_heap ***heap)
	Get the array of saved heap pointers.