public static ProcessInTheJob CreateProcessInTheJob(
string desktopName,
string appPath,
string cmdLine,
IntPtr jobHandle)
{
var newJobHandle = IntPtr.Zero;
if (jobHandle == IntPtr.Zero)
{
newJobHandle = jobHandle = WinApi.CreateJobObject(IntPtr.Zero, null);
// TODO set limits etc
}
const uint NORMAL_PRIORITY_CLASS = 0x0020;
const uint CREATE_SUSPENDED = 0x00000004;
var sInfo = new WinApi.STARTUPINFO();
sInfo.cb = Marshal.SizeOf(sInfo);
sInfo.lpDesktop = desktopName;
var pSec = new WinApi.SECURITY_ATTRIBUTES();
var tSec = new WinApi.SECURITY_ATTRIBUTES();
pSec.nLength = Marshal.SizeOf(pSec);
tSec.nLength = Marshal.SizeOf(tSec);
string commandLine = "";
if (!string.IsNullOrEmpty(appPath) && !string.IsNullOrEmpty(cmdLine))
{
commandLine = $"{appPath} {cmdLine}";
}
else if (!string.IsNullOrEmpty(cmdLine))
{
commandLine = cmdLine;
}
var retValue = WinApi.CreateProcess(appPath, commandLine,
ref pSec, ref tSec, false,
NORMAL_PRIORITY_CLASS | CREATE_SUSPENDED,
IntPtr.Zero, null, ref sInfo, out var pInfo);
WriteLine("Process ID (PID): " + pInfo.dwProcessId);
WriteLine("Process Handle : " + pInfo.hProcess);
var r = WinApi.AssignProcessToJobObject(jobHandle, pInfo.hProcess);
if (!r)
{
if (newJobHandle != IntPtr.Zero)
{
WinApi.CloseHandle(newJobHandle);
}
return(new ProcessInTheJob(ProcessInTheJob.Status.COULD_NOT_ASSIGN_JOB, IntPtr.Zero, pInfo));
}
// Ensure that killing one process kills the others
var extendedInfo = new WinApi.JOBOBJECT_EXTENDED_LIMIT_INFORMATION
{
BasicLimitInformation =
{
LimitFlags = (short)WinApi.LimitFlags.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
}
};
int length = Marshal.SizeOf(typeof(WinApi.JOBOBJECT_EXTENDED_LIMIT_INFORMATION));
IntPtr extendedInfoPtr = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(extendedInfo, extendedInfoPtr, false);
if (!WinApi.SetInformationJobObject(jobHandle,
WinApi.JOBOBJECTINFOCLASS.JobObjectExtendedLimitInformation,
extendedInfoPtr, (uint)length))
{
throw new Exception(string.Format("Unable to set information. Error: {0}", Marshal.GetLastWin32Error()));
}
Marshal.FreeHGlobal(extendedInfoPtr);
WinApi.ResumeThread(pInfo.hThread);
return(new ProcessInTheJob(ProcessInTheJob.Status.JOB_ASSIGNED, jobHandle, pInfo));
}
public static void CloseDesktop(IntPtr handle)
{
WinApi.CloseDesktop(handle);
}