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#ifndef JEMALLOC_INTERNAL_ECACHE_H
#define JEMALLOC_INTERNAL_ECACHE_H
#include "jemalloc/internal/eset.h"
#include "jemalloc/internal/san.h"
#include "jemalloc/internal/mutex.h"
typedef struct ecache_s ecache_t;
struct ecache_s {
malloc_mutex_t mtx;
eset_t eset;
eset_t guarded_eset;
/* All stored extents must be in the same state. */
extent_state_t state;
/* The index of the ehooks the ecache is associated with. */
unsigned ind;
/*
* If true, delay coalescing until eviction; otherwise coalesce during
* deallocation.
*/
bool delay_coalesce;
};
static inline size_t
ecache_npages_get(ecache_t *ecache) {
return eset_npages_get(&ecache->eset) +
eset_npages_get(&ecache->guarded_eset);
}
/* Get the number of extents in the given page size index. */
static inline size_t
ecache_nextents_get(ecache_t *ecache, pszind_t ind) {
return eset_nextents_get(&ecache->eset, ind) +
eset_nextents_get(&ecache->guarded_eset, ind);
}
/* Get the sum total bytes of the extents in the given page size index. */
static inline size_t
ecache_nbytes_get(ecache_t *ecache, pszind_t ind) {
return eset_nbytes_get(&ecache->eset, ind) +
eset_nbytes_get(&ecache->guarded_eset, ind);
}
static inline unsigned
ecache_ind_get(ecache_t *ecache) {
return ecache->ind;
}
bool ecache_init(tsdn_t *tsdn, ecache_t *ecache, extent_state_t state,
unsigned ind, bool delay_coalesce);
void ecache_prefork(tsdn_t *tsdn, ecache_t *ecache);
void ecache_postfork_parent(tsdn_t *tsdn, ecache_t *ecache);
void ecache_postfork_child(tsdn_t *tsdn, ecache_t *ecache);
#endif /* JEMALLOC_INTERNAL_ECACHE_H */
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