/******************************************************************************/ #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 chunk address for allocation address a. */ #define CHUNK_ADDR2BASE(a) \ ((void *)((uintptr_t)(a) & ~chunksize_mask)) /* Return the chunk offset of address a. */ #define CHUNK_ADDR2OFFSET(a) \ ((size_t)((uintptr_t)(a) & chunksize_mask)) /* 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); bool chunk_register(tsdn_t *tsdn, const void *chunk, const extent_t *extent); void chunk_deregister(const void *chunk, const extent_t *extent); void chunk_reregister(tsdn_t *tsdn, const void *chunk, const extent_t *extent); void *chunk_alloc_base(size_t size); void *chunk_alloc_cache(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks, void *new_addr, size_t size, size_t alignment, bool *zero, bool dalloc_extent); void *chunk_alloc_wrapper(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks, void *new_addr, size_t size, size_t alignment, bool *zero, bool *commit); void chunk_dalloc_cache(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks, void *chunk, size_t size, bool committed); void chunk_dalloc_wrapper(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks, void *chunk, size_t size, bool zeroed, bool committed); bool chunk_purge_wrapper(tsdn_t *tsdn, arena_t *arena, chunk_hooks_t *chunk_hooks, void *chunk, size_t size, size_t offset, size_t length); 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(const void *chunk, bool dependent); #endif #if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_CHUNK_C_)) JEMALLOC_INLINE extent_t * chunk_lookup(const void *ptr, bool dependent) { return (rtree_read(&chunks_rtree, (uintptr_t)ptr, dependent)); } #endif #endif /* JEMALLOC_H_INLINES */ /******************************************************************************/ #include "jemalloc/internal/chunk_dss.h" #include "jemalloc/internal/chunk_mmap.h"