| /******************************************************************************/ |
| #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(arena_t *arena); |
| chunk_hooks_t chunk_hooks_set(arena_t *arena, |
| const chunk_hooks_t *chunk_hooks); |
| |
| bool chunk_register(const void *chunk, const extent_node_t *node); |
| void chunk_deregister(const void *chunk, const extent_node_t *node); |
| void *chunk_alloc_base(size_t size); |
| void *chunk_alloc_cache(arena_t *arena, chunk_hooks_t *chunk_hooks, |
| void *new_addr, size_t size, size_t alignment, bool *zero, |
| bool dalloc_node); |
| void *chunk_alloc_wrapper(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(arena_t *arena, chunk_hooks_t *chunk_hooks, |
| void *chunk, size_t size, bool committed); |
| void chunk_dalloc_arena(arena_t *arena, chunk_hooks_t *chunk_hooks, |
| void *chunk, size_t size, bool zeroed, bool committed); |
| void chunk_dalloc_wrapper(arena_t *arena, chunk_hooks_t *chunk_hooks, |
| void *chunk, size_t size, bool committed); |
| bool chunk_purge_arena(arena_t *arena, void *chunk, size_t offset, |
| size_t length); |
| bool chunk_purge_wrapper(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(void); |
| void chunk_postfork_parent(void); |
| void chunk_postfork_child(void); |
| |
| #endif /* JEMALLOC_H_EXTERNS */ |
| /******************************************************************************/ |
| #ifdef JEMALLOC_H_INLINES |
| |
| #ifndef JEMALLOC_ENABLE_INLINE |
| extent_node_t *chunk_lookup(const void *chunk, bool dependent); |
| #endif |
| |
| #if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_CHUNK_C_)) |
| JEMALLOC_INLINE extent_node_t * |
| chunk_lookup(const void *ptr, bool dependent) |
| { |
| |
| return (rtree_get(&chunks_rtree, (uintptr_t)ptr, dependent)); |
| } |
| #endif |
| |
| #endif /* JEMALLOC_H_INLINES */ |
| /******************************************************************************/ |
| |
| #include "jemalloc/internal/chunk_dss.h" |
| #include "jemalloc/internal/chunk_mmap.h" |