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Diffstat (limited to 'externals/oboe/apps/OboeTester/app/src/main/cpp/TestErrorCallback.h')
| -rw-r--r-- | externals/oboe/apps/OboeTester/app/src/main/cpp/TestErrorCallback.h | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/externals/oboe/apps/OboeTester/app/src/main/cpp/TestErrorCallback.h b/externals/oboe/apps/OboeTester/app/src/main/cpp/TestErrorCallback.h deleted file mode 100644 index d7ce8980da..0000000000 --- a/externals/oboe/apps/OboeTester/app/src/main/cpp/TestErrorCallback.h +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright 2022 The Android Open Source Project - * - * 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 OBOETESTER_TEST_ERROR_CALLBACK_H -#define OBOETESTER_TEST_ERROR_CALLBACK_H - -#include "common/OboeDebug.h" -#include "oboe/Oboe.h" -#include <thread> - -/** - * This code is an experiment to see if we can cause a crash from the ErrorCallback. - */ -class TestErrorCallback { -public: - - oboe::Result open(); - oboe::Result start(); - oboe::Result stop(); - oboe::Result close(); - - int test(); - - int32_t getCallbackMagic() { - return mCallbackMagic.load(); - } - -protected: - - std::atomic<int32_t> mCallbackMagic{0}; - -private: - - void cleanup() { - mDataCallback.reset(); - mErrorCallback.reset(); - mStream.reset(); - } - - class MyDataCallback : public oboe::AudioStreamDataCallback { public: - - oboe::DataCallbackResult onAudioReady( - oboe::AudioStream *audioStream, - void *audioData, - int32_t numFrames) override; - - }; - - class MyErrorCallback : public oboe::AudioStreamErrorCallback { - public: - - MyErrorCallback(TestErrorCallback *parent): mParent(parent) {} - - virtual ~MyErrorCallback() { - // If the delete occurs before onErrorAfterClose() then this bad magic - // value will be seen by the Java test code, causing a failure. - // It is also possible that this code will just cause OboeTester to crash! - mMagic = 0xdeadbeef; - LOGE("%s() called", __func__); - } - - void onErrorBeforeClose(oboe::AudioStream *oboeStream, oboe::Result error) override { - LOGE("%s() - error = %s, parent = %p", - __func__, oboe::convertToText(error), &mParent); - // Trigger a crash by "deleting" this callback object while in use! - // Do not try this at home. We are just trying to reproduce the crash - // reported in #1603. - std::thread t([this]() { - this->mParent->cleanup(); // Possibly delete stream and callback objects. - LOGE("onErrorBeforeClose called cleanup!"); - }); - t.detach(); - // There is a race condition between the deleting thread and this thread. - // We do not want to add synchronization because the object is getting deleted - // and cannot be relied on. - // So we sleep here to give the deleting thread a chance to win the race. - usleep(10 * 1000); - } - - void onErrorAfterClose(oboe::AudioStream *oboeStream, oboe::Result error) override { - // The callback was probably deleted by now. - LOGE("%s() - error = %s, mMagic = 0x%08X", - __func__, oboe::convertToText(error), mMagic.load()); - mParent->mCallbackMagic = mMagic.load(); - } - - private: - TestErrorCallback *mParent; - // This must match the value in TestErrorCallbackActivity.java - static constexpr int32_t kMagicGood = 0x600DCAFE; - std::atomic<int32_t> mMagic{kMagicGood}; - }; - - std::shared_ptr<oboe::AudioStream> mStream; - std::shared_ptr<MyDataCallback> mDataCallback; - std::shared_ptr<MyErrorCallback> mErrorCallback; - - static constexpr int kChannelCount = 2; -}; - -#endif //OBOETESTER_TEST_ERROR_CALLBACK_H |
