/******************************************************************************/
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#ifdef JEMALLOC_H_TYPES
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/*
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* Size and alignment of memory chunks that are allocated by the OS's virtual
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* memory system.
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*/
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#if defined(__ANDROID__) && defined(ANDROID_LG_CHUNK_DEFAULT)
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#define LG_CHUNK_DEFAULT ANDROID_LG_CHUNK_DEFAULT
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#else
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#define LG_CHUNK_DEFAULT 21
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#endif
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/* Return the chunk address for allocation address a. */
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#define CHUNK_ADDR2BASE(a) \
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((void *)((uintptr_t)(a) & ~chunksize_mask))
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/* Return the chunk offset of address a. */
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#define CHUNK_ADDR2OFFSET(a) \
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((size_t)((uintptr_t)(a) & chunksize_mask))
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/* Return the smallest chunk multiple that is >= s. */
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#define CHUNK_CEILING(s) \
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(((s) + chunksize_mask) & ~chunksize_mask)
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#define CHUNK_HOOKS_INITIALIZER { \
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NULL, \
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NULL, \
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NULL, \
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NULL, \
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NULL, \
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NULL, \
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NULL \
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}
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#endif /* JEMALLOC_H_TYPES */
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/******************************************************************************/
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#ifdef JEMALLOC_H_STRUCTS
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#endif /* JEMALLOC_H_STRUCTS */
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/******************************************************************************/
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#ifdef JEMALLOC_H_EXTERNS
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extern size_t opt_lg_chunk;
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extern const char *opt_dss;
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extern rtree_t chunks_rtree;
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extern size_t chunksize;
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extern size_t chunksize_mask; /* (chunksize - 1). */
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extern size_t chunk_npages;
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extern const chunk_hooks_t chunk_hooks_default;
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chunk_hooks_t chunk_hooks_get(tsdn_t *tsdn, arena_t *arena);
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chunk_hooks_t chunk_hooks_set(tsdn_t *tsdn, arena_t *arena,
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const chunk_hooks_t *chunk_hooks);
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bool chunk_register(tsdn_t *tsdn, const void *chunk,
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const extent_node_t *node);
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void chunk_deregister(const void *chunk, const extent_node_t *node);
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void *chunk_alloc_base(size_t size);
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void *chunk_alloc_cache(tsdn_t *tsdn, arena_t *arena,
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chunk_hooks_t *chunk_hooks, void *new_addr, size_t size, size_t alignment,
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size_t *sn, bool *zero, bool *commit, bool dalloc_node);
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void *chunk_alloc_wrapper(tsdn_t *tsdn, arena_t *arena,
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chunk_hooks_t *chunk_hooks, void *new_addr, size_t size, size_t alignment,
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size_t *sn, bool *zero, bool *commit);
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void chunk_dalloc_cache(tsdn_t *tsdn, arena_t *arena,
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chunk_hooks_t *chunk_hooks, void *chunk, size_t size, size_t sn,
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bool committed);
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void chunk_dalloc_wrapper(tsdn_t *tsdn, arena_t *arena,
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chunk_hooks_t *chunk_hooks, void *chunk, size_t size, size_t sn,
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bool zeroed, bool committed);
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bool chunk_purge_wrapper(tsdn_t *tsdn, arena_t *arena,
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chunk_hooks_t *chunk_hooks, void *chunk, size_t size, size_t offset,
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size_t length);
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bool chunk_boot(void);
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#endif /* JEMALLOC_H_EXTERNS */
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/******************************************************************************/
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#ifdef JEMALLOC_H_INLINES
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#ifndef JEMALLOC_ENABLE_INLINE
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extent_node_t *chunk_lookup(const void *chunk, bool dependent);
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#endif
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#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_CHUNK_C_))
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JEMALLOC_INLINE extent_node_t *
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chunk_lookup(const void *ptr, bool dependent)
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{
|
|
return (rtree_get(&chunks_rtree, (uintptr_t)ptr, dependent));
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}
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#endif
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|
#endif /* JEMALLOC_H_INLINES */
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/******************************************************************************/
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#include "jemalloc/internal/chunk_dss.h"
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#include "jemalloc/internal/chunk_mmap.h"
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