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Pull out edata_t caching into its own module.

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David Goldblatt
2019-12-11 11:17:19 -08:00
committed by David Goldblatt
parent a7862df616
commit 7859184179
12 changed files with 106 additions and 60 deletions
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25
include/jemalloc/internal/edata_cache.h Normal file
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#ifndef JEMALLOC_INTERNAL_EDATA_CACHE_H
#define JEMALLOC_INTERNAL_EDATA_CACHE_H
/*
* A cache of edata_t structures allocated via base_alloc_edata (as opposed to
* the underlying extents they describe). The contents of returned edata_t
* objects are garbage and cannot be relied upon.
*/
typedef struct edata_cache_s edata_cache_t;
struct edata_cache_s {
edata_tree_t avail;
atomic_zu_t count;
malloc_mutex_t mtx;
};
bool edata_cache_init(edata_cache_t *edata_cache);
edata_t *edata_cache_get(tsdn_t *tsdn, edata_cache_t *edata_cache,
base_t *base);
void edata_cache_put(tsdn_t *tsdn, edata_cache_t *edata_cache, edata_t *edata);
void edata_cache_prefork(tsdn_t *tsdn, edata_cache_t *edata_cache);
void edata_cache_postfork_parent(tsdn_t *tsdn, edata_cache_t *edata_cache);
void edata_cache_postfork_child(tsdn_t *tsdn, edata_cache_t *edata_cache);
#endif /* JEMALLOC_INTERNAL_EDATA_CACHE_H */