62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
/*
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* Copyright (C) 2014-2019 Amlogic, Inc. All rights reserved.
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*
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* All information contained herein is Amlogic confidential.
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*
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* This software is provided to you pursuant to Software License Agreement
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* (SLA) with Amlogic Inc ("Amlogic"). This software may be used
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* only in accordance with the terms of this agreement.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification is strictly prohibited without prior written permission from
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* Amlogic.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _AML_MP_SIGNAL_HANDLER_H_
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#define _AML_MP_SIGNAL_HANDLER_H_
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#include <signal.h>
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#include <map>
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#include <ostream>
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class SubtitleSignalHandler {
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public:
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static SubtitleSignalHandler& instance() {
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static SubtitleSignalHandler ins;
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return ins;
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}
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int installSignalHandlers();
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static void dumpstack(std::ostream& os);
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private:
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SubtitleSignalHandler() = default;
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~SubtitleSignalHandler() = default;
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static void unexpectedSignalHandler(int signal_number, siginfo_t* info, void*);
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static const char* getSignalName(int signal_number);
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static const char* getSignalCodeName(int signal_number, int signal_code);
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static std::string demangleSymbol(const char* symbol);
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std::map<int, void (*)(int)> mOldSignalHandlers;
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private:
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SubtitleSignalHandler(const SubtitleSignalHandler&) = delete;
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SubtitleSignalHandler& operator=(const SubtitleSignalHandler&) = delete;
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};
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#endif
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