public bool IsWow64Process(SafeProcessHandle process)
{
IntPtr handle = process == null?GetCurrentProcess() : process.DangerousGetHandle();
if (IO.Windows.FileSystemWin.StaticIsOSVersionGreaterOrEqual(IO.Windows.FileSystemWin.MinWindowsVersionThatSupportsWow64Processes))
{
return(ExternIsWow64Process(handle, out bool result) && result);
}
return(false);
}
/// <inheritdoc />
public ulong?GetActivePeakWorkingSet()
{
using (m_queryJobDataLock.AcquireReadLock())
{
var detouredProcess = m_detouredProcess;
if (detouredProcess == null ||
!detouredProcess.HasStarted ||
detouredProcess.HasExited ||
m_disposeStarted)
{
return(null);
}
ulong?currentPeakWorkingSet = null;
ulong?currentPeakPagefileUsage = null;
var jobObject = detouredProcess.GetJobObject();
if (jobObject == null || !jobObject.TryGetProcessIds(out uint[] childProcessIds) || childProcessIds.Length == 0)
{
return(null);
}
foreach (uint processId in childProcessIds)
{
using (SafeProcessHandle processHandle = ProcessUtilities.OpenProcess(
ProcessSecurityAndAccessRights.PROCESS_QUERY_INFORMATION,
false,
processId))
{
if (processHandle.IsInvalid)
{
// we are too late: could not open process
continue;
}
if (!jobObject.ContainsProcess(processHandle))
{
// we are too late: process id got reused by another process
continue;
}
int exitCode;
if (!ProcessUtilities.GetExitCodeProcess(processHandle, out exitCode))
{
// we are too late: process id got reused by another process
continue;
}
var memoryUsage = Interop.Dispatch.GetMemoryUsageCounters(processHandle.DangerousGetHandle());
if (memoryUsage != null)
{
currentPeakWorkingSet = (currentPeakWorkingSet ?? 0) + memoryUsage.PeakWorkingSetSize;
currentPeakPagefileUsage = (currentPeakPagefileUsage ?? 0) + memoryUsage.PeakPagefileUsage;
}
}
}
m_peakWorkingSet.RegisterSample(currentPeakWorkingSet ?? 0);
m_peakPagefileUsage.RegisterSample(currentPeakPagefileUsage ?? 0);
return(currentPeakWorkingSet);
}
}