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jellyfin/MediaBrowser.ServerApplication/Native/WindowsProcessManager.cs

84 lines
2.5 KiB

using MediaBrowser.Controller.Diagnostics;
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace MediaBrowser.ServerApplication.Native
{
public class WindowsProcessManager : IProcessManager
{
public void SuspendProcess(Process process)
{
process.Suspend();
}
public void ResumeProcess(Process process)
{
process.Resume();
}
public bool SupportsSuspension
{
get { return true; }
}
}
public static class ProcessExtension
{
[DllImport("kernel32.dll")]
static extern IntPtr OpenThread(ThreadAccess dwDesiredAccess, bool bInheritHandle, uint dwThreadId);
[DllImport("kernel32.dll")]
static extern uint SuspendThread(IntPtr hThread);
[DllImport("kernel32.dll")]
static extern int ResumeThread(IntPtr hThread);
[DllImport("kernel32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool CloseHandle(IntPtr hThread);
public static void Suspend(this Process process)
{
foreach (ProcessThread thread in process.Threads)
{
var pOpenThread = OpenThread(ThreadAccess.SUSPEND_RESUME, false, (uint)thread.Id);
if (pOpenThread == IntPtr.Zero)
{
break;
}
SuspendThread(pOpenThread);
CloseHandle(pOpenThread);
}
}
public static void Resume(this Process process)
{
foreach (ProcessThread thread in process.Threads)
{
var pOpenThread = OpenThread(ThreadAccess.SUSPEND_RESUME, false, (uint)thread.Id);
if (pOpenThread == IntPtr.Zero)
{
break;
}
ResumeThread(pOpenThread);
CloseHandle(pOpenThread);
}
}
public static void Print(this Process process)
{
Console.WriteLine("{0,8} {1}", process.Id, process.ProcessName);
}
}
[Flags]
public enum ThreadAccess : int
{
TERMINATE = (0x0001),
SUSPEND_RESUME = (0x0002),
GET_CONTEXT = (0x0008),
SET_CONTEXT = (0x0010),
SET_INFORMATION = (0x0020),
QUERY_INFORMATION = (0x0040),
SET_THREAD_TOKEN = (0x0080),
IMPERSONATE = (0x0100),
DIRECT_IMPERSONATION = (0x0200)
}
}