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fixed cache_manager lock order

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This commit is contained in:
debris
2016-08-08 16:14:37 +02:00
parent 35451e31d4
commit c5a0024eeb
3 changed files with 89 additions and 51 deletions
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11
ethcore/src/cache_manager.rs
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@@ -45,16 +45,19 @@ impl<T> CacheManager<T> where T: Eq + Hash {
}
}
pub fn collect_garbage<C, F>(&mut self, current_size: C, mut notify_unused: F) where C: Fn() -> usize, F: FnMut(HashSet<T>) {
if current_size() < self.pref_cache_size {
/// Collects unused objects from cache.
/// First params is the current size of the cache.
/// Second one is an with objects to remove. It should also return new size of the cache.
pub fn collect_garbage<F>(&mut self, current_size: usize, mut notify_unused: F) where F: FnMut(HashSet<T>) -> usize {
if current_size < self.pref_cache_size {
self.rotate_cache_if_needed();
return;
}
for _ in 0..COLLECTION_QUEUE_SIZE {
notify_unused(self.cache_usage.pop_back().unwrap());
let current_size = notify_unused(self.cache_usage.pop_back().unwrap());
self.cache_usage.push_front(Default::default());
if current_size() < self.max_cache_size {
if current_size < self.max_cache_size {
break;
}
}