1 files changed, 37 insertions, 0 deletions
diff --git a/gn/util/worker_pool.h b/gn/util/worker_pool.h
new file mode 100644
index 00000000000..d0616449097
--- /dev/null
+++ b/gn/util/worker_pool.h
@@ -0,0 +1,37 @@
+// Copyright 2018 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UTIL_WORKER_POOL_H_
+#define UTIL_WORKER_POOL_H_
+
+#include <condition_variable>
+#include <mutex>
+#include <queue>
+#include <thread>
+
+#include "base/logging.h"
+#include "base/macros.h"
+#include "util/task.h"
+
+class WorkerPool {
+ public:
+  WorkerPool();
+  WorkerPool(size_t thread_count);
+  ~WorkerPool();
+
+  void PostTask(Task work);
+
+ private:
+  void Worker();
+
+  std::vector<std::thread> threads_;
+  std::queue<base::OnceClosure> task_queue_;
+  std::mutex queue_mutex_;
+  std::condition_variable_any pool_notifier_;
+  bool should_stop_processing_;
+
+  DISALLOW_COPY_AND_ASSIGN(WorkerPool);
+};
+
+#endif  // UTIL_WORKER_POOL_H_