Commit 9917cdab authored by Yedidya Feldblum's avatar Yedidya Feldblum Committed by Facebook Github Bot

An InlineExecutor singleton

Summary:
[Folly] An `InlineExecutor` singleton.

Using the Leaky Meyers Singleton pattern, so that it is always available whenever required.

Differential Revision: D6074534

fbshipit-source-id: bd4c9cd6a1e60c80de5d2eef1cb6a1e7f16b4e50
parent f82f2b0d
/*
* 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.
*/
#include <folly/futures/InlineExecutor.h>
#include <folly/Indestructible.h>
namespace folly {
InlineExecutor& InlineExecutor::instance() {
static auto instance = Indestructible<InlineExecutor>{};
return *instance;
}
} // namespace folly
...@@ -19,14 +19,16 @@ ...@@ -19,14 +19,16 @@
namespace folly { namespace folly {
/// When work is "queued", execute it immediately inline. /// When work is "queued", execute it immediately inline.
/// Usually when you think you want this, you actually want a /// Usually when you think you want this, you actually want a
/// QueuedImmediateExecutor. /// QueuedImmediateExecutor.
class InlineExecutor : public Executor { class InlineExecutor : public Executor {
public: public:
static InlineExecutor& instance();
void add(Func f) override { void add(Func f) override {
f(); f();
} }
}; };
} } // namespace folly
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