Commit 65e5d94a authored by Yedidya Feldblum's avatar Yedidya Feldblum Committed by Facebook Github Bot

Cut pushmi example which uses non-yet-std names

Summary: [Folly] Cut `pushmi` example which uses non-yet-`std` names.

Reviewed By: kirkshoop

Differential Revision: D13777367

fbshipit-source-id: 7ae846e74b622fb0f434220961d35bb243be6868
parent c612fab5
/*
* Copyright 2018-present 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 <experimental/thread_pool> // @manual
#include <folly/experimental/pushmi/executor.h>
#include <folly/experimental/pushmi/time_single_sender.h>
#include <folly/experimental/pushmi/trampoline.h>
#if __cpp_deduction_guides >= 201703
#define MAKE(x) x MAKE_
#define MAKE_(...) \
{ __VA_ARGS__ }
#else
#define MAKE(x) make_##x
#endif
namespace folly {
namespace pushmi {
using std::experimental::static_thread_pool;
namespace execution = std::experimental::execution;
template <class Executor>
struct pool_executor {
using properties = property_set<
is_sender<>,
is_executor<>,
is_never_blocking<>,
is_concurrent_sequence<>,
is_single<>>;
using e_t = Executor;
e_t e;
explicit pool_executor(e_t e) : e(std::move(e)) {}
auto executor() {
return *this;
}
PUSHMI_TEMPLATE(class Out)
(requires Receiver<Out>)
void submit(Out out) const {
e.execute(
[e = *this, out = std::move(out)]() mutable { set_value(out, e); });
}
};
class pool {
static_thread_pool p;
public:
inline explicit pool(std::size_t threads) : p(threads) {}
inline auto executor() {
auto exec = execution::require(
p.executor(), execution::never_blocking, execution::oneway);
return pool_executor<decltype(exec)>{exec};
}
inline void stop() {
p.stop();
}
inline void wait() {
p.wait();
}
};
} // namespace pushmi
} // namespace folly
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