214e64135e
* build libtest_atexit.so * remove atexit(NULL) - glibc segfaults on it Bug: 15350494 Change-Id: I27d79130c32c5691b0e8790a57d92f9710f5bf4a
76 lines
2.0 KiB
C++
76 lines
2.0 KiB
C++
/*
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* Copyright (C) 2014 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 <stdio.h>
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#include <stdlib.h>
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#include <string>
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// use external control number from main test
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static std::string* atexit_sequence = NULL;
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static bool* atexit_valid_this_in_static_dtor = NULL;
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static class AtExitStaticClass {
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public:
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AtExitStaticClass() { expected_this = this; }
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~AtExitStaticClass() {
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if (atexit_valid_this_in_static_dtor) {
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*atexit_valid_this_in_static_dtor = (expected_this == this);
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}
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}
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private:
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static const AtExitStaticClass* expected_this;
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} static_obj;
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const AtExitStaticClass* AtExitStaticClass::expected_this = NULL;
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// 4
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static void atexit_handler_from_atexit_from_atexit2() {
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*atexit_sequence += " on";
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}
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// 3
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static void atexit_handler_from_atexit_from_atexit1() {
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*atexit_sequence += " sat";
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}
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// 2
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static void atexit_handler_from_atexit() {
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*atexit_sequence += " Dumpty";
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// register 2 others
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atexit(atexit_handler_from_atexit_from_atexit2);
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atexit(atexit_handler_from_atexit_from_atexit1);
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}
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// 1
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static void atexit_handler_with_atexit() {
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*atexit_sequence += "Humpty";
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atexit(atexit_handler_from_atexit);
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}
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// last
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static void atexit_handler_regular() {
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*atexit_sequence += " a wall";
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}
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extern "C" void register_atexit(std::string* sequence, bool* valid_this_in_static_dtor) {
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atexit_sequence = sequence;
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atexit_valid_this_in_static_dtor = valid_this_in_static_dtor;
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atexit(atexit_handler_regular);
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atexit(atexit_handler_with_atexit);
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}
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