control system

nothing internally magically fires it off yet, but now there is an external
command:

lru_crawler crawl [classid]
... will signal the thread to wake up and immediately reap through a
particular class.

need some thought/feedback for internal kickoffs (plugins?)

1 files changed, 6 insertions, 0 deletions

diff --git a/items.h b/items.h
index 99e1d1e..6ef5cdc 100644
--- a/items.h
+++ b/items.h
@@ -27,5 +27,11 @@ void item_stats_reset(void);
 extern pthread_mutex_t cache_lock;
 void item_stats_evictions(uint64_t *evicted);
 
+enum crawler_result_type {
+    CRAWLER_OK=0, CRAWLER_RUNNING, CRAWLER_BADCLASS
+};
+
 int start_item_crawler_thread(void);
 int stop_item_crawler_thread(void);
+int init_lru_crawler(void);
+enum crawler_result_type lru_crawler_crawl(int sid);