45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
|
#ifndef JEMALLOC_INTERNAL_BASE_STRUCTS_H
|
||
|
|
#define JEMALLOC_INTERNAL_BASE_STRUCTS_H
|
||
|
|
|
||
|
|
/* Embedded at the beginning of every block of base-managed virtual memory. */
|
||
|
|
struct base_block_s {
|
||
|
|
/* Total size of block's virtual memory mapping. */
|
||
|
|
size_t size;
|
||
|
|
|
||
|
|
/* Next block in list of base's blocks. */
|
||
|
|
base_block_t *next;
|
||
|
|
|
||
|
|
/* Tracks unused trailing space. */
|
||
|
|
extent_t extent;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct base_s {
|
||
|
|
/* Associated arena's index within the arenas array. */
|
||
|
|
unsigned ind;
|
||
|
|
|
||
|
|
/* User-configurable extent hook functions. */
|
||
|
|
union {
|
||
|
|
extent_hooks_t *extent_hooks;
|
||
|
|
void *extent_hooks_pun;
|
||
|
|
};
|
||
|
|
|
||
|
|
/* Protects base_alloc() and base_stats_get() operations. */
|
||
|
|
malloc_mutex_t mtx;
|
||
|
|
|
||
|
|
/* Serial number generation state. */
|
||
|
|
size_t extent_sn_next;
|
||
|
|
|
||
|
|
/* Chain of all blocks associated with base. */
|
||
|
|
base_block_t *blocks;
|
||
|
|
|
||
|
|
/* Heap of extents that track unused trailing space within blocks. */
|
||
|
|
extent_heap_t avail[NSIZES];
|
||
|
|
|
||
|
|
/* Stats, only maintained if config_stats. */
|
||
|
|
size_t allocated;
|
||
|
|
size_t resident;
|
||
|
|
size_t mapped;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* JEMALLOC_INTERNAL_BASE_STRUCTS_H */
|