+/*
+ * Copyright 2017 Facebook, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <folly/Executor.h>
+
+namespace folly {
+
+/**
+ * Runs inline like InlineExecutor, but with a queue so that any tasks added
+ * to this executor by one of its own callbacks will be queued instead of
+ * executed inline (nested). This is usually better behavior than Inline.
+ */
+class QueuedImmediateExecutor : public Executor {
+ public:
+ /// There's really only one queue per thread, no matter how many
+ /// QueuedImmediateExecutor objects you may have.
+ static void addStatic(Func);
+
+ void add(Func func) override {
+ addStatic(std::move(func));
+ }
+};
+
+} // namespace folly