| 285 | } |
| 286 | |
| 287 | void LibCache::DropCache() { |
| 288 | unique_lock<mutex> lib_cache_lock(lock_); |
| 289 | for (LibMap::value_type& v: lib_cache_) { |
| 290 | bool can_delete = false; |
| 291 | { |
| 292 | // Lock to wait for any threads currently processing the entry. |
| 293 | unique_lock<mutex> entry_lock(v.second->lock); |
| 294 | v.second->should_remove = true; |
| 295 | DCHECK_GE(v.second->use_count, 0); |
| 296 | can_delete = v.second->use_count == 0; |
| 297 | } |
| 298 | VLOG(1) << "Removed lib cache entry: " << v.first; |
| 299 | if (can_delete) delete v.second; |
| 300 | } |
| 301 | lib_cache_.clear(); |
| 302 | } |
| 303 | |
| 304 | Status LibCache::GetCacheEntry(const string& hdfs_lib_file, LibType type, |
| 305 | time_t exp_mtime, unique_lock<mutex>* entry_lock, LibCacheEntry** entry) { |
no test coverage detected