wehub-resource-sync
76 lines
2.8 KiB
C++
76 lines
2.8 KiB
C++
/* ******************************************************************************
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*
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* See the NOTICE file distributed with this work for additional
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* information regarding copyright ownership.
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// Sanitizer utilities - platform independent
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//
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#include <legacy/NativeOps.h>
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// LSAN leak check trigger - only available when built with ASAN/LSAN
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#if defined(__has_feature)
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#if __has_feature(address_sanitizer)
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extern "C" void __lsan_do_leak_check(void);
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#define HAS_LEAK_SANITIZER 1
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#endif
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#elif defined(__SANITIZE_ADDRESS__)
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// GCC doesn't have __has_feature, but defines __SANITIZE_ADDRESS__
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extern "C" void __lsan_do_leak_check(void);
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#define HAS_LEAK_SANITIZER 1
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#endif
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// MSAN doesn't have leak detection - it only tracks uninitialized memory
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// If built with MSAN, this will be a no-op
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/**
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* Triggers leak checking and clears caches.
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* This allows checking for leaks at any point during execution,
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* not just at program exit.
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*
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* Always clears TAD and Shape caches before checking for leaks
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* to prevent false positives from legitimate cached data.
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*
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* Cleanup sequence (matches MainApplication.java shutdown handler):
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* 1. Clear TAD cache (frees cached TadPack objects)
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* 2. Clear Shape cache (frees cached shape info)
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* 3. Trigger leak check (if sanitizers are enabled)
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*
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* Safe to call from Java via JNI.
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*/
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SD_LIB_EXPORT void triggerLeakCheck() {
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// not just when HAS_LEAK_SANITIZER is defined.
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//
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// WHY: Custom lifecycle tracking (TADCacheLifecycleTracker) is used
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// even when building with MSan (Memory Sanitizer), which doesn't define
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// HAS_LEAK_SANITIZER. But lifecycle tracking still needs caches cleared
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// before reporting to avoid false positives.
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//
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// TAD and Shape caches contain legitimate data structures that persist
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// across operations for performance. They are NOT memory leaks.
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clearTADCache();
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clearShapeCache();
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#ifdef HAS_LEAK_SANITIZER
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// Additionally trigger sanitizer leak check if available
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__lsan_do_leak_check();
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#else
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// No sanitizer leak check, but cache clearing still happened above
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// This ensures custom lifecycle tracking doesn't report false positives
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#endif
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}
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