typhoonzero
8 years ago
parent
6c0356e41d
commit
251e4a8ee5
@ -0,0 +1,74 @@
|
||||
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
|
||||
|
||||
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 <condition_variable> // NOLINT
|
||||
#include <deque>
|
||||
#include <mutex> // NOLINT
|
||||
#include <utility>
|
||||
|
||||
namespace paddle {
|
||||
namespace framework {
|
||||
|
||||
template <typename T>
|
||||
class BlockingQueue {
|
||||
public:
|
||||
void Push(const T &item) {
|
||||
{
|
||||
std::lock_guard<std::mutex> g(mutex_);
|
||||
q_.emplace_back(item);
|
||||
}
|
||||
cv_.notify_one();
|
||||
}
|
||||
|
||||
template <typename U>
|
||||
void Extend(const U &items) {
|
||||
{
|
||||
std::lock_guard<std::mutex> g(mutex_);
|
||||
for (auto &item : items) {
|
||||
q_.emplace_back(item);
|
||||
}
|
||||
}
|
||||
cv_.notify_all();
|
||||
}
|
||||
|
||||
std::deque<T> PopAll(size_t ms, bool *timeout) {
|
||||
auto time =
|
||||
std::chrono::system_clock::now() + std::chrono::milliseconds(ms);
|
||||
std::unique_lock<std::mutex> lock(mutex_);
|
||||
*timeout = !cv_.wait_until(lock, time, [this] { return !q_.empty(); });
|
||||
std::deque<T> ret;
|
||||
if (!*timeout) {
|
||||
std::swap(ret, q_);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
T Pop() {
|
||||
std::unique_lock<std::mutex> lock(mutex_);
|
||||
cv_.wait(lock, [=] { return !q_.empty(); });
|
||||
T rc(std::move(q_.front()));
|
||||
q_.pop_front();
|
||||
return rc;
|
||||
}
|
||||
|
||||
private:
|
||||
std::mutex mutex_;
|
||||
std::condition_variable cv_;
|
||||
std::deque<T> q_;
|
||||
};
|
||||
|
||||
} // namespace framework
|
||||
} // namespace paddle
|
||||
@ -1,52 +0,0 @@
|
||||
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
|
||||
|
||||
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 <condition_variable> // NOLINT
|
||||
#include <deque>
|
||||
#include <mutex> // NOLINT
|
||||
|
||||
namespace paddle {
|
||||
namespace operators {
|
||||
namespace detail {
|
||||
|
||||
template <typename T>
|
||||
class SimpleBlockQueue {
|
||||
private:
|
||||
std::mutex mutex_;
|
||||
std::condition_variable condition_;
|
||||
std::deque<T> queue_;
|
||||
|
||||
public:
|
||||
void Push(T const& value) {
|
||||
{
|
||||
std::unique_lock<std::mutex> lock(this->mutex_);
|
||||
queue_.push_front(value);
|
||||
}
|
||||
this->condition_.notify_one();
|
||||
}
|
||||
|
||||
T Pop() {
|
||||
std::unique_lock<std::mutex> lock(this->mutex_);
|
||||
this->condition_.wait(lock, [=] { return !this->queue_.empty(); });
|
||||
T rc(std::move(this->queue_.back()));
|
||||
this->queue_.pop_back();
|
||||
return rc;
|
||||
}
|
||||
};
|
||||
|
||||
} // namespace detail
|
||||
} // namespace operators
|
||||
} // namespace paddle
|
||||
Loading…
Reference in new issue