1#ifndef JEMALLOC_INTERNAL_EXTENT_TYPES_H
2#define JEMALLOC_INTERNAL_EXTENT_TYPES_H
3
4typedef struct extent_s extent_t;
5typedef struct extents_s extents_t;
6
7typedef struct extent_util_stats_s extent_util_stats_t;
8typedef struct extent_util_stats_verbose_s extent_util_stats_verbose_t;
9
10#define EXTENT_HOOKS_INITIALIZER NULL
11
12/*
13 * When reuse (and split) an active extent, (1U << opt_lg_extent_max_active_fit)
14 * is the max ratio between the size of the active extent and the new extent.
15 */
16#define LG_EXTENT_MAX_ACTIVE_FIT_DEFAULT 6
17
18typedef enum {
19 EXTENT_NOT_HEAD,
20 EXTENT_IS_HEAD /* Only relevant for Windows && opt.retain. */
21} extent_head_state_t;
22
23#endif /* JEMALLOC_INTERNAL_EXTENT_TYPES_H */
24