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Copy pathCorpseProcess.h
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78 lines (63 loc) · 2.88 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 <mach/mach.h>
#include <sys/types.h>
#include <wtf/Assertions.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
namespace JSC {
namespace Corpse {
// Represents a target corpse process identified by PID. It manages the Mach task
// port for that process: attach() acquires it, detach() releases it (but keeps the
// PID so the same Process can be reattached later).
class Process final : public RefCounted<Process> {
public:
static Ref<Process> create(pid_t pid) { return adoptRef(*new Process(pid)); }
~Process() { detach(); }
bool attach();
void detach();
pid_t pid() const { return m_pid; }
mach_port_t taskPort() const { return m_taskPort; }
bool isAttached() const { return MACH_PORT_VALID(m_taskPort); }
// The target process may have terminated while we still hold the port.
bool holdsLiveTask() const;
// True if the target runs under Rosetta translation. Such a process executes as
// arm64 whatever its own architecture is, so its thread state describes the
// translator rather than the program, and cannot be read as the program's.
bool isTranslated() const;
private:
explicit Process(pid_t pid)
: m_pid(pid)
{
RELEASE_ASSERT(pid > 0);
}
pid_t m_pid;
mach_port_t m_taskPort { MACH_PORT_NULL };
};
} // namespace Corpse
} // namespace JSC
#endif // (OS(MACOS) || USE(APPLE_INTERNAL_SDK)) && !PLATFORM(MACCATALYST) && !PLATFORM(IOS_FAMILY_SIMULATOR)