public static IEnumerable <ProcessEntry32> GetProcesses()
{
var handleToSnapshot = IntPtr.Zero;
try
{
var procEntry = new ProcessEntry32 {
dwSize = (uint)Marshal.SizeOf(typeof(ProcessEntry32))
};
handleToSnapshot = Win32ApiImports.CreateToolhelp32Snapshot(SnapshotFlags.Process, 0);
if (Win32ApiImports.Process32First(handleToSnapshot, ref procEntry))
{
do
{
yield return(procEntry);
}while (Win32ApiImports.Process32Next(handleToSnapshot, ref procEntry));
}
else
{
throw new ApplicationException($"Failed with win32 error code {Marshal.GetLastWin32Error()}");
}
}
finally
{
Win32ApiImports.CloseHandle(handleToSnapshot);
}
}
static ulong GetWorkingSet(uint processId)
{
var hProcess = Win32ApiImports.OpenProcess(ProcessAccessFlags.QueryLimitedInformation, false, processId);
if (!Win32ApiImports.GetProcessMemoryInfo(hProcess, out var counters, (uint)Marshal.SizeOf(typeof(ProcessMemoryCounters))))
{
return(0);
}
Win32ApiImports.CloseHandle(hProcess);
return(counters.WorkingSetSize);
}
static void AdjustPrivileges()
{
var luid = new Win32ApiHelpers.LUID();
if (!Win32ApiImports.LookupPrivilegeValue(null, "SeDebugPrivilege", ref luid))
{
return;
}
var tokenHandle = IntPtr.Zero;
try
{
if (!Win32ApiImports.OpenProcessToken(Win32ApiImports.GetCurrentProcess(), Win32ApiHelpers.TOKEN_ADJUST_PRIVILEGES, out tokenHandle))
{
return;
}
var tp = new Win32ApiHelpers.TOKEN_PRIVILEGES
{
PrivilegeCount = 1,
Privileges = new Win32ApiHelpers.LUID_AND_ATTRIBUTES[1]
};
tp.Privileges[0].Luid = luid;
tp.Privileges[0].Attributes = Win32ApiHelpers.SE_PRIVILEGE_ENABLED;
Win32ApiImports.AdjustTokenPrivileges(tokenHandle, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);
}
finally
{
if (tokenHandle != IntPtr.Zero)
{
Win32ApiImports.CloseHandle(tokenHandle);
}
}
}