Differential D20787 Diff 56908 processcore/processes_linux_p.cpp

Changeset View

Standalone View

View Options

processcore/processes_linux_p.cpp

Show First 20 Lines • Show All 106 Lines • ▼ Show 20 Line(s)104{
107 { 107​ {
108 public: 108​ public:
109 Private() { mProcDir = opendir( "/proc" );} 109​ Private() { mProcDir = opendir( "/proc" );}
110 ~Private(); 110​ ~Private();
111 inline bool readProcStatus(const QString &dir, Process *process); 111​ inline bool readProcStatus(const QString &dir, Process *process);
112 inline bool readProcStat(const QString &dir, Process *process); 112​ inline bool readProcStat(const QString &dir, Process *process);
113 inline bool readProcStatm(const QString &dir, Process *process); 113​ inline bool readProcStatm(const QString &dir, Process *process);
114 inline bool readProcCmdline(const QString &dir, Process *process); 114​ inline bool readProcCmdline(const QString &dir, Process *process);
115​ inline bool readProcCGroup(const QString &dir, Process *process);
115 inline bool getNiceness(long pid, Process *process); 116​ inline bool getNiceness(long pid, Process *process);
116 inline bool getIOStatistics(const QString &dir, Process *process); 117​ inline bool getIOStatistics(const QString &dir, Process *process);
117 QFile mFile; 118​ QFile mFile;
118 char mBuffer[PROCESS_BUFFER_SIZE+1]; //used as a buffer to read data into 119​ char mBuffer[PROCESS_BUFFER_SIZE+1]; //used as a buffer to read data into
119 DIR* mProcDir; 120​ DIR* mProcDir;
120 }; 121​ };
121 122​
122ProcessesLocal::Private::~Private() 123​ProcessesLocal::Private::~Private()
▲ Show 20 Lines • Show All 72 Lines • ▼ Show 20 Line(s)133{
195 } 196​ }
196 } 197​ }
197 198​
198 finish: 199​ finish:
199 mFile.close(); 200​ mFile.close();
200 return true; 201​ return true;
201} 202​}
202 203​
204​bool ProcessesLocal::Private::readProcCGroup(const QString &dir, Process *process)
205​{
206​ mFile.setFileName(dir + QStringLiteral("cgroup"));
207​ if(!mFile.open(QIODevice::ReadOnly))
208​ return false; /* process has terminated in the meantime */
209​
210​ while( mFile.readLine( mBuffer, sizeof(mBuffer)) > 0) { //-1 indicates an error
211​ if ( mBuffer[0] == '0' && mBuffer[1] == ':' && mBuffer[2] == ':' ) {
212​ process->setCGroup(QString::fromLocal8Bit(&mBuffer[3]));
213​ break;
214​ }
215​ }
216​ mFile.close();
217​ return true;
218​}
219​
203long ProcessesLocal::getParentPid(long pid) { 220​long ProcessesLocal::getParentPid(long pid) {
204 if (pid <= 0) 221​ if (pid <= 0)
205 return -1; 222​ return -1;
206 d->mFile.setFileName(QStringLiteral("/proc/") + QString::number(pid) + QStringLiteral("/stat")); 223​ d->mFile.setFileName(QStringLiteral("/proc/") + QString::number(pid) + QStringLiteral("/stat"));
207 if(!d->mFile.open(QIODevice::ReadOnly)) 224​ if(!d->mFile.open(QIODevice::ReadOnly))
208 return -1; /* process has terminated in the meantime */ 225​ return -1; /* process has terminated in the meantime */
209 226​
210 int size; //amount of data read in 227​ int size; //amount of data read in
▲ Show 20 Lines • Show All 308 Lines • ▼ Show 20 Line(s)
519bool ProcessesLocal::updateProcessInfo( long pid, Process *process) 536​bool ProcessesLocal::updateProcessInfo( long pid, Process *process)
520{ 537​{
521 bool success = true; 538​ bool success = true;
522 QString dir = QStringLiteral("/proc/") + QString::number(pid) + QLatin1Char('/'); 539​ QString dir = QStringLiteral("/proc/") + QString::number(pid) + QLatin1Char('/');
523 if(!d->readProcStat(dir, process)) success = false; 540​ if(!d->readProcStat(dir, process)) success = false;
524 if(!d->readProcStatus(dir, process)) success = false; 541​ if(!d->readProcStatus(dir, process)) success = false;
525 if(!d->readProcStatm(dir, process)) success = false; 542​ if(!d->readProcStatm(dir, process)) success = false;
526 if(!d->readProcCmdline(dir, process)) success = false; 543​ if(!d->readProcCmdline(dir, process)) success = false;
544​ if(!d->readProcCGroup(dir, process)) success = false;
527 if(!d->getNiceness(pid, process)) success = false; 545​ if(!d->getNiceness(pid, process)) success = false;
528 if(mUpdateFlags.testFlag(Processes::IOStatistics) && !d->getIOStatistics(dir, process)) success = false; 546​ if(mUpdateFlags.testFlag(Processes::IOStatistics) && !d->getIOStatistics(dir, process)) success = false;
529 547​
530 return success; 548​ return success;
531} 549​}
532 550​
533QSet<long> ProcessesLocal::getAllPids( ) 551​QSet<long> ProcessesLocal::getAllPids( )
534{ 552​{
▲ Show 20 Lines • Show All 189 Lines • Show Last 20 Lines