Files
react-native/ReactCommon/react/renderer/leakchecker/LeakChecker.cpp
T
Andres Suarez 8bd3edec88 Update copyright headers from Facebook to Meta
Reviewed By: aaronabramov

Differential Revision: D33367752

fbshipit-source-id: 4ce94d184485e5ee0a62cf67ad2d3ba16e285c8f
2021-12-30 15:11:21 -08:00

63 lines
1.9 KiB
C++

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "LeakChecker.h"
#include <glog/logging.h>
#include <jsi/instrumentation.h>
#include <utility>
namespace facebook {
namespace react {
LeakChecker::LeakChecker(RuntimeExecutor runtimeExecutor)
: runtimeExecutor_(std::move(runtimeExecutor)) {}
void LeakChecker::uiManagerDidCreateShadowNodeFamily(
ShadowNodeFamily::Shared const &shadowNodeFamily) const {
registry_.add(shadowNodeFamily);
}
void LeakChecker::stopSurface(SurfaceId surfaceId) {
if (previouslyStoppedSurface_ > 0) {
// Dispatch the check onto JavaScript thread to make sure all other
// cleanup code has had chance to run.
runtimeExecutor_([previouslySoppedSurface = previouslyStoppedSurface_,
this](jsi::Runtime &runtime) {
runtime.instrumentation().collectGarbage("LeakChecker");
// For now check the previous surface because React uses double
// buffering which keeps the surface that was just stopped in
// memory. This is a documented problem in the last point of
// https://github.com/facebook/react/issues/16087
checkSurfaceForLeaks(previouslySoppedSurface);
});
}
previouslyStoppedSurface_ = surfaceId;
}
void LeakChecker::checkSurfaceForLeaks(SurfaceId surfaceId) const {
auto weakFamilies = registry_.weakFamiliesForSurfaceId(surfaceId);
unsigned int numberOfLeaks = 0;
for (auto const &weakFamily : weakFamilies) {
auto strong = weakFamily.lock();
if (strong) {
++numberOfLeaks;
}
}
if (numberOfLeaks > 0) {
LOG(ERROR) << "[LeakChecker] Surface with id: " << surfaceId
<< " has leaked " << numberOfLeaks << " components out of "
<< weakFamilies.size();
}
registry_.removeFamiliesWithSurfaceId(surfaceId);
}
} // namespace react
} // namespace facebook