mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-08-11 22:49:16 +00:00
d9ab69a9c1
Also remove stuttering from the target names by dropping the 'dawn_' prefix. Bug: dawn:1275 Change-Id: Iac79f9927010b8e5edeb7e0949092b34431d54dd Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79061 Reviewed-by: Corentin Wallez <cwallez@chromium.org>
55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
// Copyright 2021 The Dawn Authors
|
|
//
|
|
// 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.
|
|
|
|
#ifndef COMMON_CONCURRENT_CACHE_H_
|
|
#define COMMON_CONCURRENT_CACHE_H_
|
|
|
|
#include "dawn/common/NonCopyable.h"
|
|
|
|
#include <mutex>
|
|
#include <unordered_set>
|
|
#include <utility>
|
|
|
|
template <typename T>
|
|
class ConcurrentCache : public NonMovable {
|
|
public:
|
|
ConcurrentCache() = default;
|
|
|
|
T* Find(T* object) {
|
|
std::lock_guard<std::mutex> lock(mMutex);
|
|
auto iter = mCache.find(object);
|
|
if (iter == mCache.end()) {
|
|
return nullptr;
|
|
}
|
|
return *iter;
|
|
}
|
|
|
|
std::pair<T*, bool> Insert(T* object) {
|
|
std::lock_guard<std::mutex> lock(mMutex);
|
|
auto [value, inserted] = mCache.insert(object);
|
|
return {*value, inserted};
|
|
}
|
|
|
|
size_t Erase(T* object) {
|
|
std::lock_guard<std::mutex> lock(mMutex);
|
|
return mCache.erase(object);
|
|
}
|
|
|
|
private:
|
|
std::mutex mMutex;
|
|
std::unordered_set<T*, typename T::HashFunc, typename T::EqualityFunc> mCache;
|
|
};
|
|
|
|
#endif
|