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Copy pathCorpseThread.h
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82 lines (66 loc) · 2.94 KB
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/*
* Copyright (C) 2026 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if (OS(MACOS) || USE(APPLE_INTERNAL_SDK)) && !PLATFORM(MACCATALYST) && !PLATFORM(IOS_FAMILY_SIMULATOR)
#include <JavaScriptCore/CorpseAddress.h>
#include <JavaScriptCore/CorpseRegion.h>
#include <mach/mach.h>
#include <stdint.h>
#include <string>
#include <wtf/Vector.h>
namespace JSC {
namespace Corpse {
class Snapshot;
// A snapshot of thread values read out of a corpse.
class Thread {
public:
// The kernel's system-wide unique 64-bit thread id, as reported by lldb and
// spindump. This is an identifier, not an address.
uint64_t id() const { return m_id; }
// The pthread name, empty if the thread was never named.
const std::string& name() const { return m_name; }
int runState() const { return m_runState; }
int suspendCount() const { return m_suspendCount; }
uint64_t userTimeUsec() const { return m_userTimeUsec; }
uint64_t systemTimeUsec() const { return m_systemTimeUsec; }
Address stackPointer() const { return m_stackPointer; }
const Region& stackRegion() const { return m_stackRegion; }
bool hasStack() const { return m_stackRegion.size(); }
const char* runStateDescription() const;
private:
static Vector<Thread> collect(const Snapshot&);
uint64_t m_id { 0 };
std::string m_name;
int m_runState { 0 };
int m_suspendCount { 0 };
uint64_t m_userTimeUsec { 0 };
uint64_t m_systemTimeUsec { 0 };
Address m_stackPointer;
Region m_stackRegion;
friend class Snapshot;
};
} // namespace Corpse
} // namespace JSC
#endif // (OS(MACOS) || USE(APPLE_INTERNAL_SDK)) && !PLATFORM(MACCATALYST) && !PLATFORM(IOS_FAMILY_SIMULATOR)