xref: /third_party/musl/include/malloc.h

#ifndef _MALLOC_H
#define _MALLOC_H

#include <stdio.h>
#ifdef __cplusplus
extern "C" {
#endif

#define __NEED_size_t
#define __NEED_ssize_t
#define __NEED_uintptr_t

#include <bits/alltypes.h>

void *malloc (size_t);
void *calloc (size_t, size_t);
void *realloc (void *, size_t);
void free (void *);
void *valloc (size_t);
void *memalign(size_t, size_t);

size_t malloc_usable_size(void *);

#define __MALLINFO_BODY \
  size_t arena; \
  size_t ordblks; \
  size_t smblks; \
  size_t hblks; \
  size_t hblkhd; \
  size_t usmblks; \
  size_t fsmblks; \
  size_t uordblks; \
  size_t fordblks; \
  size_t keepcost;

struct mallinfo { __MALLINFO_BODY };

struct mallinfo mallinfo(void);

struct mallinfo2 { __MALLINFO_BODY };

struct mallinfo2 mallinfo2(void);

int malloc_iterate(void* base, size_t size, void (*callback)(void* base, size_t size, void* arg), void* arg);
void malloc_disable(void);
void malloc_enable(void);

int malloc_info(int options, FILE* fp);
void malloc_stats_print(void (*write_cb) (void *, const char *), void *cbopaque, const char *opts);


#define M_SET_THREAD_CACHE -1001
#define M_THREAD_CACHE_ENABLE 1
#define M_THREAD_CACHE_DISABLE 0

#define M_FLUSH_THREAD_CACHE -1002

#define M_DELAYED_FREE -1003
#define M_DELAYED_FREE_ENABLE 1
#define M_DELAYED_FREE_DISABLE 0

#define M_OHOS_CONFIG -1004
#define M_DISABLE_OPT_TCACHE 100
#define M_ENABLE_OPT_TCACHE 101
#define M_TCACHE_PERFORMANCE_MODE 102
#define M_TCACHE_NORMAL_MODE 103

#define M_SET_SECURITY_LEVEL (-1005)
#define M_SECURITY_LEVEL_LOW 10
#define M_SECURITY_LEVEL_MID 11
#define M_SECURITY_LEVEL_HIGH 12

#define M_ENABLE_CHECK_DOUBLE_FREE_DEFAULT (-1006)
#define M_CHECK_DOUBLE_FREE_DEFAULT_ENABLE 1
#define M_CHECK_DOUBLE_FREE_DEFAULT_DISABLE 0

#define M_ENABLE_CHECK_DOUBLE_FREE_REDZONE (-1007)
#define M_CHECK_DOUBLE_FREE_REDZONE_ENABLE 1
#define M_CHECK_DOUBLE_FREE_REDZONE_DISABLE 0

#define M_ENABLE_RANDOM_ALLOCATION (-1008)
#define M_RANDOM_ALLOCATION_ENABLE 1
#define M_RANDOM_ALLOCATION_DISABLE 0

#define M_ENABLE_CHECK_USE_AFTER_FREE (-1009)
#define M_CHECK_USE_AFTER_FREE_ENABLE 1
#define M_CHECK_USE_AFTER_FREE_DISABLE 0

#define M_ENABLE_CHECK_OVERFLOW_SLAB (-1010)
#define M_CHECK_OVERFLOW_SLAB_ENABLE 1
#define M_CHECK_OVERFLOW_SLAB_DISABLE 0

#define M_ENABLE_CHECK_OVERFLOW_LARGE (-1011)
#define M_CHECK_OVERFLOW_LARGE_ENABLE 1
#define M_CHECK_OVERFLOW_LARGE_DISABLE 0

#define M_ENABLE_QUARANTINE_DEFAULT (-1012)
#define M_QUARANTINE_ENABLE 1
#define M_QUARANTINE_DISABLE 0

#define M_SET_QUARANTINE_SIZE (-1013)

#define M_SET_QUARANTINE_MAX_BLOCK_SIZE (-1014)

int mallopt(int param, int value);
ssize_t malloc_backtrace(void* pointer, uintptr_t* frames, size_t frame_count);
#ifdef __cplusplus
}
#endif

#endif