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77 lines
2.0 KiB
77 lines
2.0 KiB
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "epoll.h"
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#include <sys/unistd.h>
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#include <unordered_set>
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#include <android-base/file.h>
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#include <gtest/gtest.h>
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namespace android {
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namespace init {
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std::unordered_set<void*> sValidObjects;
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class CatchDtor final {
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public:
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CatchDtor() { sValidObjects.emplace(this); }
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CatchDtor(const CatchDtor&) { sValidObjects.emplace(this); }
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~CatchDtor() {
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auto iter = sValidObjects.find(this);
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if (iter != sValidObjects.end()) {
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sValidObjects.erase(iter);
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}
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}
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};
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TEST(epoll, UnregisterHandler) {
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Epoll epoll;
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ASSERT_RESULT_OK(epoll.Open());
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int fds[2];
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ASSERT_EQ(pipe(fds), 0);
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CatchDtor catch_dtor;
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bool handler_invoked;
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auto handler = [&, catch_dtor]() -> void {
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auto result = epoll.UnregisterHandler(fds[0]);
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ASSERT_EQ(result.ok(), !handler_invoked);
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handler_invoked = true;
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ASSERT_NE(sValidObjects.find((void*)&catch_dtor), sValidObjects.end());
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};
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epoll.RegisterHandler(fds[0], std::move(handler));
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uint8_t byte = 0xee;
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ASSERT_TRUE(android::base::WriteFully(fds[1], &byte, sizeof(byte)));
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auto results = epoll.Wait({});
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ASSERT_RESULT_OK(results);
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ASSERT_EQ(results->size(), size_t(1));
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for (const auto& function : *results) {
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(*function)();
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(*function)();
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}
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ASSERT_TRUE(handler_invoked);
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}
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} // namespace init
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} // namespace android
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