private void AssociateWithJob(WindowsApi.PROCESS_INFORMATION processInformation, bool throwOnError)
{
if (_jobHandle == IntPtr.Zero)
{
lock (_jobHandleLock)
{
if (_jobHandle == IntPtr.Zero)
{
_jobHandle = WindowsApi.CreateJobObject(IntPtr.Zero, null);
var basic = new WindowsApi.JOBOBJECT_BASIC_LIMIT_INFORMATION {
LimitFlags = WindowsApi.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
};
var extended = new WindowsApi.JOBOBJECT_EXTENDED_LIMIT_INFORMATION {
BasicLimitInformation = basic
};
int length = Marshal.SizeOf(typeof(WindowsApi.JOBOBJECT_EXTENDED_LIMIT_INFORMATION));
IntPtr extendedPointer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(extended, extendedPointer, false);
if (!WindowsApi.SetInformationJobObject(_jobHandle, WindowsApi.JOBOBJECTINFOCLASS.ExtendedLimitInformation, extendedPointer, (uint)length))
{
throw new TorSharpException($"Unable to set information on the job object. Error: {WindowsUtility.GetLastErrorMessage()}.");
}
}
}
}
lock (_processIdsLock)
{
_processIds.Add(processInformation.dwProcessId);
}
if (!WindowsApi.AssignProcessToJobObject(_jobHandle, processInformation.hProcess) && throwOnError)
{
throw new TorSharpException($"Unable to assign the process to the job object. Error: {WindowsUtility.GetLastErrorMessage()}.");
}
}
public void Stop()
{
if (_jobHandle != IntPtr.Zero)
{
lock (_jobHandleLock)
{
if (_jobHandle != IntPtr.Zero)
{
// terminate the job
if (!WindowsApi.TerminateJobObject(_jobHandle, 0))
{
throw new TorSharpException($"Unable to terminate the job object. Error: {WindowsUtility.GetLastErrorMessage()}.");
}
// wait for all jobs to complete
lock (_processIdsLock)
{
while (_processIds.Any())
{
if (Process.GetProcesses().All(p => p.Id != _processIds[0]))
{
_processIds.RemoveAt(0);
}
}
}
_jobHandle = IntPtr.Zero;
}
}
}
}
public void Stop()
{
if (_jobHandle != IntPtr.Zero)
{
lock (_jobHandleLock)
{
if (_jobHandle != IntPtr.Zero)
{
// terminate the job
if (!WindowsApi.TerminateJobObject(_jobHandle, 0))
{
throw new TorSharpException($"Unable to terminate the job object. Error: {WindowsUtility.GetLastErrorMessage()}.");
}
// wait for all jobs to complete
lock (_processIdsLock)
{
var firstAttempt = true;
while (_processIds.Any())
{
if (!firstAttempt)
{
Thread.Sleep(100);
}
firstAttempt = false;
var allProcessIds = Process
.GetProcesses()
.Select(x => x.Id)
.ToList();
_processIds.IntersectWith(allProcessIds);
}
}
_jobHandle = IntPtr.Zero;
}
}
}
}