| /******************************************************************************/ |
| #ifdef JEMALLOC_H_TYPES |
| |
| /* |
| * Size and alignment of memory chunks that are allocated by the OS's virtual |
| * memory system. |
| */ |
| #if defined(__ANDROID__) |
| #define LG_CHUNK_DEFAULT 20 |
| #else |
| #define LG_CHUNK_DEFAULT 22 |
| #endif |
| |
| /* 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) |
| |
| #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; |
| |
| /* Protects stats_chunks; currently not used for any other purpose. */ |
| extern malloc_mutex_t chunks_mtx; |
| /* Chunk statistics. */ |
| extern chunk_stats_t stats_chunks; |
| |
| extern rtree_t *chunks_rtree; |
| |
| extern size_t chunksize; |
| extern size_t chunksize_mask; /* (chunksize - 1). */ |
| extern size_t chunk_npages; |
| extern size_t map_bias; /* Number of arena chunk header pages. */ |
| extern size_t arena_maxclass; /* Max size class for arenas. */ |
| |
| void *chunk_alloc_base(size_t size); |
| void *chunk_alloc_arena(chunk_alloc_t *chunk_alloc, |
| chunk_dalloc_t *chunk_dalloc, unsigned arena_ind, size_t size, |
| size_t alignment, bool *zero); |
| void *chunk_alloc_default(size_t size, size_t alignment, bool *zero, |
| unsigned arena_ind); |
| void chunk_unmap(void *chunk, size_t size); |
| bool chunk_dalloc_default(void *chunk, size_t size, unsigned arena_ind); |
| 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 |
| |
| #endif /* JEMALLOC_H_INLINES */ |
| /******************************************************************************/ |
| |
| #include "jemalloc/internal/chunk_dss.h" |
| #include "jemalloc/internal/chunk_mmap.h" |