diff options
Diffstat (limited to 'database/engine/pagecache.h')
| -rw-r--r-- | database/engine/pagecache.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/database/engine/pagecache.h b/database/engine/pagecache.h index 7d8fa2a1d..31e9739da 100644 --- a/database/engine/pagecache.h +++ b/database/engine/pagecache.h @@ -85,6 +85,8 @@ struct pg_cache_page_index { * TODO: examine if we want to support better granularity than seconds */ Pvoid_t JudyL_array; + Word_t page_count; + unsigned short writers; uv_rwlock_t lock; /* @@ -148,6 +150,7 @@ struct page_cache { /* TODO: add statistics */ }; extern void pg_cache_wake_up_waiters_unsafe(struct rrdeng_page_descr *descr); +extern void pg_cache_wake_up_waiters(struct rrdengine_instance *ctx, struct rrdeng_page_descr *descr); extern void pg_cache_wait_event_unsafe(struct rrdeng_page_descr *descr); extern unsigned long pg_cache_wait_event(struct rrdengine_instance *ctx, struct rrdeng_page_descr *descr); extern void pg_cache_replaceQ_insert(struct rrdengine_instance *ctx, @@ -162,7 +165,8 @@ extern void pg_cache_put_unsafe(struct rrdeng_page_descr *descr); extern void pg_cache_put(struct rrdengine_instance *ctx, struct rrdeng_page_descr *descr); extern void pg_cache_insert(struct rrdengine_instance *ctx, struct pg_cache_page_index *index, struct rrdeng_page_descr *descr); -extern void pg_cache_punch_hole(struct rrdengine_instance *ctx, struct rrdeng_page_descr *descr, uint8_t remove_dirty); +extern uint8_t pg_cache_punch_hole(struct rrdengine_instance *ctx, struct rrdeng_page_descr *descr, + uint8_t remove_dirty, uint8_t is_exclusive_holder, uuid_t *metric_id); extern usec_t pg_cache_oldest_time_in_range(struct rrdengine_instance *ctx, uuid_t *id, usec_t start_time, usec_t end_time); extern void pg_cache_get_filtered_info_prev(struct rrdengine_instance *ctx, struct pg_cache_page_index *page_index, @@ -184,6 +188,7 @@ extern void pg_cache_add_new_metric_time(struct pg_cache_page_index *page_index, extern void pg_cache_update_metric_times(struct pg_cache_page_index *page_index); extern unsigned long pg_cache_hard_limit(struct rrdengine_instance *ctx); extern unsigned long pg_cache_soft_limit(struct rrdengine_instance *ctx); +extern unsigned long pg_cache_committed_hard_limit(struct rrdengine_instance *ctx); static inline void pg_cache_atomic_get_pg_info(struct rrdeng_page_descr *descr, usec_t *end_timep, uint32_t *page_lengthp) @@ -214,7 +219,7 @@ static inline void /* The caller must hold a reference to the page and must have already set the new data */ static inline void pg_cache_atomic_set_pg_info(struct rrdeng_page_descr *descr, usec_t end_time, uint32_t page_length) { - assert(!(end_time & 1)); + fatal_assert(!(end_time & 1)); __sync_synchronize(); descr->end_time |= 1; /* mark start of uncertainty period by adding 1 microsecond */ __sync_synchronize(); |