cbc80ba9d8
We've been using #pragma once for new internal files, but let's be more bold. Bug: N/A Test: builds Change-Id: I7e2ee2730043bd884f9571cdbd8b524043030c07
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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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
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#pragma once
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#include <stdint.h>
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#include <pthread.h>
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#include <deque>
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#include <unordered_map>
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#include <vector>
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#include <private/bionic_macros.h>
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#include "OptionData.h"
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// Forward declarations.
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struct BacktraceHeader;
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class Config;
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class DebugData;
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struct Header;
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class FreeTrackData : public OptionData {
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public:
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FreeTrackData(DebugData* debug_data, const Config& config);
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virtual ~FreeTrackData() = default;
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void Add(const Header* header);
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void VerifyAll();
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void LogBacktrace(const Header* header);
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void PrepareFork() { pthread_mutex_lock(&mutex_); }
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void PostForkParent() { pthread_mutex_unlock(&mutex_); }
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void PostForkChild() { pthread_mutex_init(&mutex_, NULL); }
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private:
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void LogFreeError(const Header* header, const uint8_t* pointer);
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void VerifyAndFree(const Header* header);
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pthread_mutex_t mutex_ = PTHREAD_MUTEX_INITIALIZER;
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std::deque<const Header*> list_;
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std::vector<uint8_t> cmp_mem_;
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std::unordered_map<const Header*, BacktraceHeader*> backtraces_;
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size_t backtrace_num_frames_;
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DISALLOW_COPY_AND_ASSIGN(FreeTrackData);
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};
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