1 files changed, 29 insertions, 0 deletions
diff --git a/third_party/content_analysis_sdk/demo/atomic_output.h b/third_party/content_analysis_sdk/demo/atomic_output.h
new file mode 100644
index 0000000000..86ca8cdd75
--- /dev/null
+++ b/third_party/content_analysis_sdk/demo/atomic_output.h
@@ -0,0 +1,29 @@
+// Copyright 2022 The Chromium Authors.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <iostream>
+#include <sstream>
+#include <string>
+
+// Utility class to atomically write outout to std::cout.  All data streamed
+// the class is automatically sent to std::cout in the dtor.  This is useful
+// to keep the output of multiple threads writing to std::Cout from
+// interleaving.
+
+class AtomicCout {
+ public:
+  ~AtomicCout() {
+    flush();
+  }
+
+  std::stringstream& stream() { return stream_; }
+
+  void flush() {
+    std::cout << stream_.str();
+    stream_.str(std::string());
+  }
+
+ private:
+  std::stringstream stream_;
+};
+\ No newline at end of file