public static ProcessInfo[] GetProcessInfos()
{
int num = 131072;
int requiredSize = 0;
GCHandle gCHandle = default(GCHandle);
ProcessInfo[] processInfos;
try
{
int num2;
do
{
long[] value = new long[(num + 7) / 8];
gCHandle = GCHandle.Alloc(value, GCHandleType.Pinned);
num2 = NativeMethods.NtQuerySystemInformation(5, gCHandle.AddrOfPinnedObject(), num, out requiredSize);
if (num2 == -1073741820)
{
if (gCHandle.IsAllocated)
{
gCHandle.Free();
}
num = NtProcessInfoHelper.GetNewBufferSize(num, requiredSize);
}
}while (num2 == -1073741820);
if (num2 < 0)
{
throw new InvalidOperationException("CouldntGetProcessInfos", new Win32Exception(num2));
}
processInfos = NtProcessInfoHelper.GetProcessInfos(gCHandle.AddrOfPinnedObject());
}
finally
{
if (gCHandle.IsAllocated)
{
gCHandle.Free();
}
}
return(processInfos);
}
private static ProcessInfo[] GetProcessInfos(IntPtr dataPtr)
{
Hashtable hashtable = new Hashtable(60);
long num = 0L;
while (true)
{
IntPtr intPtr = (IntPtr)((long)dataPtr + num);
NtProcessInfoHelper.SystemProcessInformation systemProcessInformation = new NtProcessInfoHelper.SystemProcessInformation();
Marshal.PtrToStructure(intPtr, systemProcessInformation);
ProcessInfo processInfo = new ProcessInfo();
processInfo.processId = systemProcessInformation.UniqueProcessId.ToInt32();
processInfo.handleCount = (int)systemProcessInformation.HandleCount;
processInfo.sessionId = (int)systemProcessInformation.SessionId;
processInfo.poolPagedBytes = (long)((ulong)systemProcessInformation.QuotaPagedPoolUsage);
processInfo.poolNonpagedBytes = (long)((ulong)systemProcessInformation.QuotaNonPagedPoolUsage);
processInfo.virtualBytes = (long)((ulong)systemProcessInformation.VirtualSize);
processInfo.virtualBytesPeak = (long)((ulong)systemProcessInformation.PeakVirtualSize);
processInfo.workingSetPeak = (long)((ulong)systemProcessInformation.PeakWorkingSetSize);
processInfo.workingSet = (long)((ulong)systemProcessInformation.WorkingSetSize);
processInfo.pageFileBytesPeak = (long)((ulong)systemProcessInformation.PeakPagefileUsage);
processInfo.pageFileBytes = (long)((ulong)systemProcessInformation.PagefileUsage);
processInfo.privateBytes = (long)((ulong)systemProcessInformation.PrivatePageCount);
processInfo.basePriority = systemProcessInformation.BasePriority;
if (systemProcessInformation.NamePtr == IntPtr.Zero)
{
if (processInfo.processId == NtProcessManager.SystemProcessID)
{
processInfo.processName = "System";
}
else
{
if (processInfo.processId == 0)
{
processInfo.processName = "Idle";
}
else
{
processInfo.processName = processInfo.processId.ToString(CultureInfo.InvariantCulture);
}
}
}
else
{
string text = NtProcessInfoHelper.GetProcessShortName(Marshal.PtrToStringUni(systemProcessInformation.NamePtr, (int)(systemProcessInformation.NameLength / 2)));
processInfo.processName = text;
}
hashtable[processInfo.processId] = processInfo;
intPtr = (IntPtr)((long)intPtr + (long)Marshal.SizeOf(systemProcessInformation));
int num2 = 0;
while ((long)num2 < (long)((ulong)systemProcessInformation.NumberOfThreads))
{
NtProcessInfoHelper.SystemThreadInformation systemThreadInformation = new NtProcessInfoHelper.SystemThreadInformation();
Marshal.PtrToStructure(intPtr, systemThreadInformation);
ThreadInfo threadInfo = new ThreadInfo();
threadInfo.processId = (int)systemThreadInformation.UniqueProcess;
threadInfo.threadId = (int)systemThreadInformation.UniqueThread;
threadInfo.basePriority = systemThreadInformation.BasePriority;
threadInfo.currentPriority = systemThreadInformation.Priority;
threadInfo.startAddress = systemThreadInformation.StartAddress;
threadInfo.threadState = (ThreadState)systemThreadInformation.ThreadState;
threadInfo.threadWaitReason = NtProcessManager.GetThreadWaitReason((int)systemThreadInformation.WaitReason);
processInfo.threadInfoList.Add(threadInfo);
intPtr = (IntPtr)((long)intPtr + (long)Marshal.SizeOf(systemThreadInformation));
num2++;
}
if (systemProcessInformation.NextEntryOffset == 0u)
{
break;
}
num += (long)((ulong)systemProcessInformation.NextEntryOffset);
}
ProcessInfo[] array = new ProcessInfo[hashtable.Values.Count];
hashtable.Values.CopyTo(array, 0);
return(array);
}
public static ProcessInfo[] GetProcessInfos(string machineName)
{
return(NtProcessInfoHelper.GetProcessInfos());
}
