public WindowsProcessJob(Process process)
{
IntPtr newHandle = Native.CreateJobObject(IntPtr.Zero, null);
if (newHandle == IntPtr.Zero)
{
throw new InvalidOperationException("Unable to create a job. Error: " + Marshal.GetLastWin32Error());
}
this.jobHandle = new SafeJobHandle(newHandle);
Native.JOBOBJECT_BASIC_LIMIT_INFORMATION info = new Native.JOBOBJECT_BASIC_LIMIT_INFORMATION
{
LimitFlags = 0x2000 // JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE
};
Native.JOBOBJECT_EXTENDED_LIMIT_INFORMATION extendedInfo = new Native.JOBOBJECT_EXTENDED_LIMIT_INFORMATION
{
BasicLimitInformation = info
};
int length = Marshal.SizeOf(typeof(Native.JOBOBJECT_EXTENDED_LIMIT_INFORMATION));
if (!Native.SetInformationJobObject(this.jobHandle, Native.JobObjectInfoType.ExtendedLimitInformation, ref extendedInfo, (uint)length))
{
throw new InvalidOperationException("Unable to configure the job. Error: " + Marshal.GetLastWin32Error());
}
if (!Native.AssignProcessToJobObject(this.jobHandle, process.Handle))
{
throw new InvalidOperationException("Unable to add process to the job. Error: " + Marshal.GetLastWin32Error());
}
}
/// <summary>
/// Assign a process to a new Job.
/// </summary>
/// <param name="hProcess">Process handle</param>
/// <param name="name">Optional - Job name</param>
/// <returns>Job handle or IntPtr.Zero if failed</returns>
private static bool AssignProcessToNewJob(IntPtr hProcess, string name, out IntPtr hJob)
{
//Create a new Job
hJob = Native.CreateJobObject(IntPtr.Zero, name);
if (hJob == IntPtr.Zero)
{
return(false);
}
var jeli = new Native.JOBOBJECT_EXTENDED_LIMIT_INFORMATION();
jeli.BasicLimitInformation.LimitFlags = Native.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
jeli.BasicLimitInformation.LimitFlags |= Native.JOB_OBJECT_LIMIT_BREAKAWAY_OK;
bool success = Native.SetInformationJobObject(hJob
, Native.JOB_EXTENDED_LIMIT_INFORMATION
, ref jeli
, Native.JOBOBJECT_EXTENDED_LIMIT_INFORMATION.SIZE);
//Assign the process to the Job
if (!success || !Native.AssignProcessToJobObject(hJob, hProcess))
{
Native.CloseHandle(hJob);
hJob = IntPtr.Zero;
return(false);
}
return(true);
}
/// <summary>
/// Assign a process to a new Job.
/// </summary>
/// <param name="hProcess">Process handle</param>
/// <param name="name">Optional - Job name</param>
/// <returns>Job handle or IntPtr.Zero if failed</returns>
private static IntPtr AssignProcessToNewJob(IntPtr hProcess, string name) {
//Create a new Job
IntPtr hJob = Native.CreateJobObject(IntPtr.Zero, name);
if (hJob == IntPtr.Zero)
return IntPtr.Zero;
var jeli = new Native.JOBOBJECT_EXTENDED_LIMIT_INFORMATION();
jeli.BasicLimitInformation.LimitFlags = Native.JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE;
jeli.BasicLimitInformation.LimitFlags |= Native.JOB_OBJECT_LIMIT_BREAKAWAY_OK;
bool success = Native.SetInformationJobObject(hJob
, Native.JOB_EXTENDED_LIMIT_INFORMATION
, ref jeli
, Native.JOBOBJECT_EXTENDED_LIMIT_INFORMATION.SIZE);
//Assign the process to the Job
if (!success || !Native.AssignProcessToJobObject(hJob, hProcess)) {
Native.CloseHandle(hJob);
return IntPtr.Zero;
}
return hJob;
}
