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/*
processtracker_macos.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2016 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Filipe Azevedo <filipe.azevedo@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
// A said crossplatform way (using ptrace) is available at
// https://forum.juce.com/t/detecting-if-a-process-is-being-run-under-a-debugger/2098
#include "processtracker_macos.h"
#include <stdbool.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/sysctl.h>
using namespace GammaRay;
ProcessTrackerBackendMacOS::ProcessTrackerBackendMacOS(QObject *parent)
: GammaRay::ProcessTrackerBackend(parent)
{
}
void ProcessTrackerBackendMacOS::checkProcess(qint64 pid)
{
GammaRay::ProcessTrackerInfo pinfo(pid);
int status;
int mib[4];
struct kinfo_proc info;
size_t size;
// Initialize the flags so that, if sysctl fails for some bizarre
// reason, we get a predictable result.
info.kp_proc.p_flag = 0;
// Initialize mib, which tells sysctl the info we want, in this case
// we're looking for information about a specific process ID.
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_PID;
mib[3] = pid;
// Call sysctl.
size = sizeof(info);
status = sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, nullptr, 0);
if (status == 0) {
// We're being debugged if the P_TRACED flag is set.
pinfo.traced = (info.kp_proc.p_flag & P_TRACED) != 0;
switch (info.kp_proc.p_stat) {
case SRUN:
pinfo.state = GammaRay::ProcessTracker::Running;
break;
case SSTOP:
case SSLEEP:
pinfo.state = GammaRay::ProcessTracker::Suspended;
break;
default:
break;
}
} else {
qWarning("%s: Can not sysctl.", Q_FUNC_INFO);
}
emit processChecked(pinfo);
}
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