Merge pull request #91897 from RandomShaper/res_unreg_if_true
Add an identity check to resource unregistration from cache
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commit
944b95e1a5
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@ -569,11 +569,18 @@ Resource::Resource() :
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remapped_list(this) {}
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remapped_list(this) {}
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Resource::~Resource() {
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Resource::~Resource() {
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if (!path_cache.is_empty()) {
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if (unlikely(path_cache.is_empty())) {
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ResourceCache::lock.lock();
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return;
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ResourceCache::resources.erase(path_cache);
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ResourceCache::lock.unlock();
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}
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}
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ResourceCache::lock.lock();
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// Only unregister from the cache if this is the actual resource listed there.
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// (Other resources can have the same value in `path_cache` if loaded with `CACHE_IGNORE`.)
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HashMap<String, Resource *>::Iterator E = ResourceCache::resources.find(path_cache);
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if (likely(E && E->value == this)) {
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ResourceCache::resources.remove(E);
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}
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ResourceCache::lock.unlock();
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}
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}
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HashMap<String, Resource *> ResourceCache::resources;
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HashMap<String, Resource *> ResourceCache::resources;
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