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// 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_;
};
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