System.Diagnostics.ProcessManager.ProcessManager C# (CSharp) Method

        static ProcessManager()
        {
            // In order to query information (OpenProcess) on some protected processes
            // like csrss, we need SeDebugPrivilege privilege.
            // After removing the dependency on Performance Counter, we don't have a chance
            // to run the code in CLR performance counter to ask for this privilege.
            // So we will try to get the privilege here.
            // We could fail if the user account doesn't have right to do this, but that's fair.

            Interop.Advapi32.LUID luid = new Interop.Advapi32.LUID();
            if (!Interop.Advapi32.LookupPrivilegeValue(null, Interop.Advapi32.SeDebugPrivilege, out luid))
            {
                return;
            }

            SafeTokenHandle tokenHandle = null;
            try
            {
                if (!Interop.Advapi32.OpenProcessToken(
                        Interop.Kernel32.GetCurrentProcess(),
                        Interop.Kernel32.HandleOptions.TOKEN_ADJUST_PRIVILEGES,
                        out tokenHandle))
                {
                    return;
                }

                Interop.Advapi32.TokenPrivileges tp = new Interop.Advapi32.TokenPrivileges();
                tp.Luid = luid;
                tp.Attributes = Interop.Advapi32.SEPrivileges.SE_PRIVILEGE_ENABLED;

                // AdjustTokenPrivileges can return true even if it didn't succeed (when ERROR_NOT_ALL_ASSIGNED is returned).
                Interop.Advapi32.AdjustTokenPrivileges(tokenHandle, false, tp, 0, IntPtr.Zero, IntPtr.Zero);
            }
            finally
            {
                if (tokenHandle != null)
                {
                    tokenHandle.Dispose();
                }
            }
        }