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