56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
/*
|
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
|
*
|
|
* 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 <mutex>
|
|
#include <unordered_set>
|
|
|
|
#include <folly/memory/SanitizeLeak.h>
|
|
|
|
namespace folly {
|
|
namespace detail {
|
|
namespace {
|
|
struct LeakedPtrs {
|
|
std::mutex mutex;
|
|
std::unordered_set<void const*> set;
|
|
|
|
static LeakedPtrs& instance() {
|
|
static auto* ptrs = new LeakedPtrs();
|
|
return *ptrs;
|
|
}
|
|
};
|
|
} // namespace
|
|
|
|
void annotate_object_leaked_impl(void const* ptr) {
|
|
if (ptr == nullptr) {
|
|
return;
|
|
}
|
|
auto& ptrs = LeakedPtrs::instance();
|
|
std::lock_guard<std::mutex> lg(ptrs.mutex);
|
|
ptrs.set.insert(ptr);
|
|
}
|
|
|
|
void annotate_object_collected_impl(void const* ptr) {
|
|
if (ptr == nullptr) {
|
|
return;
|
|
}
|
|
auto& ptrs = LeakedPtrs::instance();
|
|
std::lock_guard<std::mutex> lg(ptrs.mutex);
|
|
ptrs.set.erase(ptr);
|
|
}
|
|
|
|
} // namespace detail
|
|
} // namespace folly
|