Added ThreadChecker. Fixed dtor of WorkerThread.

1 files changed, 23 insertions, 0 deletions

diff --git a/base/thread_checker.hpp b/base/thread_checker.hpp
new file mode 100644
index 0000000000..f9d80ce624
--- /dev/null
+++ b/base/thread_checker.hpp
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "macros.hpp"
+
+#include "../std/thread.hpp"
+
+/// This class remembers id of a thread on which it was created, and
+/// then can be used to verify that CalledOnOriginalThread() is called
+/// from a thread on which it was created.
+class ThreadChecker
+{
+public:
+  ThreadChecker();
+
+  /// \return True if this method is called from a thread on which
+  ///         current ThreadChecker's instance was created, false otherwise.
+  bool CalledOnOriginalThread() const;
+
+private:
+  thread::id const m_id;
+
+  DISALLOW_COPY_AND_MOVE(ThreadChecker);
+};