1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "processinfo.h"
#include "qtcprocess.h"
#if defined(Q_OS_UNIX)
#include <QDir>
#include <signal.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#elif defined(Q_OS_WIN)
#include "winutils.h"
#ifdef QTCREATOR_PCH_H
#define CALLBACK WINAPI
#endif
#include <windows.h>
#include <tlhelp32.h>
#include <psapi.h>
#endif
namespace Utils {
bool ProcessInfo::operator<(const ProcessInfo &other) const
{
if (processId != other.processId)
return processId < other.processId;
if (executable != other.executable)
return executable < other.executable;
return commandLine < other.commandLine;
}
#if defined(Q_OS_UNIX)
static bool isUnixProcessId(const QString &procname)
{
for (int i = 0; i != procname.size(); ++i)
if (!procname.at(i).isDigit())
return false;
return true;
}
// Determine UNIX processes by reading "/proc". Default to ps if
// it does not exist
static const char procDirC[] = "/proc/";
static QList<ProcessInfo> getLocalProcessesUsingProc()
{
QList<ProcessInfo> processes;
const QString procDirPath = QLatin1String(procDirC);
const QDir procDir = QDir(QLatin1String(procDirC));
const QStringList procIds = procDir.entryList();
for (const QString &procId : procIds) {
if (!isUnixProcessId(procId))
continue;
ProcessInfo proc;
proc.processId = procId.toInt();
const QString root = procDirPath + procId;
const QFile exeFile(root + QLatin1String("/exe"));
proc.executable = exeFile.symLinkTarget();
QFile cmdLineFile(root + QLatin1String("/cmdline"));
if (cmdLineFile.open(QIODevice::ReadOnly)) { // process may have exited
const QList<QByteArray> tokens = cmdLineFile.readAll().split('\0');
if (!tokens.isEmpty()) {
if (proc.executable.isEmpty())
proc.executable = QString::fromLocal8Bit(tokens.front());
for (const QByteArray &t : tokens) {
if (!proc.commandLine.isEmpty())
proc.commandLine.append(QLatin1Char(' '));
proc.commandLine.append(QString::fromLocal8Bit(t));
}
}
}
if (proc.executable.isEmpty()) {
QFile statFile(root + QLatin1String("/stat"));
if (statFile.open(QIODevice::ReadOnly)) {
const QStringList data = QString::fromLocal8Bit(statFile.readAll()).split(QLatin1Char(' '));
if (data.size() < 2)
continue;
proc.executable = data.at(1);
proc.commandLine = data.at(1); // PPID is element 3
if (proc.executable.startsWith(QLatin1Char('(')) && proc.executable.endsWith(QLatin1Char(')'))) {
proc.executable.truncate(proc.executable.size() - 1);
proc.executable.remove(0, 1);
}
}
}
if (!proc.executable.isEmpty())
processes.push_back(proc);
}
return processes;
}
// Determine UNIX processes by running ps
static QMap<qint64, QString> getLocalProcessDataUsingPs(const QString &column)
{
QtcProcess process;
process.setCommand({"ps", {"-e", "-o", "pid," + column}});
process.start();
if (!process.waitForFinished())
return {};
// Split "457 /Users/foo.app arg1 arg2"
const QStringList lines = process.stdOut().split(QLatin1Char('\n'));
QMap<qint64, QString> result;
for (int i = 1; i < lines.size(); ++i) { // Skip header
const QString line = lines.at(i).trimmed();
const int pidSep = line.indexOf(QChar::Space);
const qint64 pid = line.left(pidSep).toLongLong();
result.insert(pid, line.mid(pidSep + 1));
}
return result;
}
static QList<ProcessInfo> getLocalProcessesUsingPs()
{
QList<ProcessInfo> processes;
// cmdLines are full command lines, usually with absolute path,
// exeNames only the file part of the executable's path.
const QMap<qint64, QString> exeNames = getLocalProcessDataUsingPs("comm");
const QMap<qint64, QString> cmdLines = getLocalProcessDataUsingPs("args");
for (auto it = exeNames.begin(), end = exeNames.end(); it != end; ++it) {
const qint64 pid = it.key();
if (pid <= 0)
continue;
const QString cmdLine = cmdLines.value(pid);
if (cmdLines.isEmpty())
continue;
const QString exeName = it.value();
if (exeName.isEmpty())
continue;
const int pos = cmdLine.indexOf(exeName);
if (pos == -1)
continue;
processes.append({pid, cmdLine.left(pos + exeName.size()), cmdLine});
}
return processes;
}
QList<ProcessInfo> ProcessInfo::processInfoList()
{
const QDir procDir = QDir(QLatin1String(procDirC));
return procDir.exists() ? getLocalProcessesUsingProc() : getLocalProcessesUsingPs();
}
#elif defined(Q_OS_WIN)
QList<ProcessInfo> ProcessInfo::processInfoList()
{
QList<ProcessInfo> processes;
PROCESSENTRY32 pe;
pe.dwSize = sizeof(PROCESSENTRY32);
HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (snapshot == INVALID_HANDLE_VALUE)
return processes;
for (bool hasNext = Process32First(snapshot, &pe); hasNext; hasNext = Process32Next(snapshot, &pe)) {
ProcessInfo p;
p.processId = pe.th32ProcessID;
// Image has the absolute path, but can fail.
const QString image = imageName(pe.th32ProcessID);
p.executable = p.commandLine = image.isEmpty() ?
QString::fromWCharArray(pe.szExeFile) : image;
processes << p;
}
CloseHandle(snapshot);
return processes;
}
#endif //Q_OS_WIN
} // namespace Utils
|
