/******************************************************************************/ #ifdef JEMALLOC_H_TYPES /* * Size and alignment of memory chunks that are allocated by the OS's virtual * memory system. */ #define LG_CHUNK_DEFAULT 22 /* 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(size_t size, size_t alignment, bool base, bool *zero, dss_prec_t dss_prec); void chunk_unmap(void *chunk, size_t size); void chunk_dealloc(void *chunk, size_t size, bool unmap); 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"