ConcurrentQueue: Make mutex mutable.

This commit is contained in:
Peter Johnson
2015-07-19 16:36:08 -07:00
parent cf18355fe2
commit 173111c64c

View File

@@ -64,7 +64,7 @@ class ConcurrentQueue {
private:
std::queue<T> queue_;
std::mutex mutex_;
mutable std::mutex mutex_;
std::condition_variable cond_;
};