hyperion.ng/src/hyperiond/detectProcess.h

90 lines
2.1 KiB
C

#pragma once
#include <QString>
#include <QProcess>
#include <QByteArray>
#ifdef WIN32
// psapi.h requires windows.h to be included
#include <Windows.h>
#include <Psapi.h>
#endif
unsigned int getProcessIdsByProcessName(const char *processName, QStringList &listOfPids)
{
// Clear content of returned list of PIDS
listOfPids.clear();
#if defined(WIN32)
// Get the list of process identifiers.
DWORD aProcesses[1024], cbNeeded, cProcesses;
unsigned int i;
if (!EnumProcesses(aProcesses, sizeof(aProcesses), &cbNeeded))
return 0;
// Calculate how many process identifiers were returned.
cProcesses = cbNeeded / sizeof(DWORD);
// Search for a matching name for each process
for (i = 0; i < cProcesses; i++)
{
if (aProcesses[i] != 0)
{
char szProcessName[MAX_PATH] = {0};
DWORD processID = aProcesses[i];
// Get a handle to the process.
HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, processID);
// Get the process name
if (NULL != hProcess)
{
HMODULE hMod;
DWORD cbNeeded;
if (EnumProcessModules(hProcess, &hMod, sizeof(hMod), &cbNeeded))
GetModuleBaseNameA(hProcess, hMod, szProcessName, sizeof(szProcessName) / sizeof(char));
// Release the handle to the process.
CloseHandle(hProcess);
if (*szProcessName != 0 && strcmp(processName, szProcessName) == 0)
listOfPids.append(QString::number(processID));
}
}
}
return listOfPids.count();
#else
// Run pgrep, which looks through the currently running processses and lists the process IDs
// which match the selection criteria to stdout.
QProcess process;
process.start("pgrep", QStringList() << processName);
process.waitForReadyRead();
QByteArray bytes = process.readAllStandardOutput();
process.terminate();
process.waitForFinished();
process.kill();
// Output is something like "2472\n2323" for multiple instances
if (bytes.isEmpty())
return 0;
#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
listOfPids = QString(bytes).split("\n", Qt::SkipEmptyParts);
#else
listOfPids = QString(bytes).split("\n", QString::SkipEmptyParts);
#endif
return listOfPids.count();
#endif
}