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/******************************************************************************/
#ifdef JEMALLOC_H_TYPES
/*
* Size and alignment of memory chunks that are allocated by the OS's virtual
* memory system.
*/
#define LG_CHUNK_DEFAULT 21
/* Return the smallest chunk multiple that is >= s. */
#define CHUNK_CEILING(s) \
(((s) + chunksize_mask) & ~chunksize_mask)
#define CHUNK_HOOKS_INITIALIZER { \
NULL, \
NULL, \
NULL, \
NULL, \
NULL, \
NULL, \
NULL \
}
#endif /* JEMALLOC_H_TYPES */
/******************************************************************************/
#ifdef JEMALLOC_H_STRUCTS
#endif /* JEMALLOC_H_STRUCTS */
/******************************************************************************/
#ifdef JEMALLOC_H_EXTERNS
extern size_t opt_lg_chunk;
extern const char *opt_dss;
extern rtree_t chunks_rtree;
extern size_t chunksize;
extern size_t chunksize_mask; /* (chunksize - 1). */
extern size_t chunk_npages;
extern const chunk_hooks_t chunk_hooks_default;
chunk_hooks_t chunk_hooks_get(tsdn_t *tsdn, arena_t *arena);
chunk_hooks_t chunk_hooks_set(tsdn_t *tsdn, arena_t *arena,
const chunk_hooks_t *chunk_hooks);
extent_t *chunk_alloc_cache(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, void *new_addr, size_t usize, size_t pad,
size_t alignment, bool *zero, bool slab);
extent_t *chunk_alloc_wrapper(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, void *new_addr, size_t usize, size_t pad,
size_t alignment, bool *zero, bool *commit, bool slab);
void chunk_dalloc_cache(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, extent_t *extent);
void chunk_dalloc_wrapper(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, extent_t *extent);
bool chunk_commit_wrapper(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, extent_t *extent, size_t offset, size_t length);
bool chunk_decommit_wrapper(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, extent_t *extent, size_t offset, size_t length);
bool chunk_purge_wrapper(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, extent_t *extent, size_t offset, size_t length);
extent_t *chunk_split_wrapper(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, extent_t *extent, size_t size_a, size_t usize_a,
size_t size_b, size_t usize_b);
bool chunk_merge_wrapper(tsdn_t *tsdn, arena_t *arena,
chunk_hooks_t *chunk_hooks, extent_t *a, extent_t *b);
bool chunk_boot(void);
void chunk_prefork(tsdn_t *tsdn);
void chunk_postfork_parent(tsdn_t *tsdn);
void chunk_postfork_child(tsdn_t *tsdn);
#endif /* JEMALLOC_H_EXTERNS */
/******************************************************************************/
#ifdef JEMALLOC_H_INLINES
#ifndef JEMALLOC_ENABLE_INLINE
extent_t *chunk_lookup(tsdn_t *tsdn, const void *chunk, bool dependent);
#endif
#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_CHUNK_C_))
JEMALLOC_INLINE extent_t *
chunk_lookup(tsdn_t *tsdn, const void *ptr, bool dependent)
{
return (rtree_read(tsdn, &chunks_rtree, (uintptr_t)ptr, dependent));
}
#endif
#endif /* JEMALLOC_H_INLINES */
/******************************************************************************/
#include "jemalloc/internal/chunk_dss.h"
#include "jemalloc/internal/chunk_mmap.h"
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