//------------------------------------------------------------------------------

// <copyright file="UnsafeNativeMethods.cs" company="Microsoft">

// Copyright (c) Microsoft Corporation. All rights reserved.

// </copyright>

//------------------------------------------------------------------------------

namespace System.ServiceProcess {

using System;

using System.Text;

using System.Security;

using System.Security.Permissions;

using System.Runtime.InteropServices;

[

ComVisible(false),

SuppressUnmanagedCodeSecurityAttribute()

]

internal static class UnsafeNativeMethods {

[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]

public unsafe extern static bool ControlService(IntPtr serviceHandle, int control, NativeMethods.SERVICE_STATUS *pStatus);

[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]

public static extern unsafe bool QueryServiceStatus(IntPtr serviceHandle, NativeMethods.SERVICE_STATUS *pStatus);

[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]

public extern static bool EnumServicesStatus(IntPtr databaseHandle, int serviceType, int serviceState,

IntPtr status, int size, out int bytesNeeded, out int servicesReturned, ref int resumeHandle);

[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]

public extern static bool EnumServicesStatusEx(IntPtr databaseHandle, int infolevel, int serviceType, int serviceState,

IntPtr status, int size, out int bytesNeeded, out int servicesReturned, ref int resumeHandle, string group);

[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]

public extern static IntPtr OpenService(IntPtr databaseHandle, string serviceName, int access);

[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]

public extern static bool StartService(IntPtr serviceHandle, int argNum, IntPtr argPtrs);

[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]

public extern static bool EnumDependentServices(IntPtr serviceHandle, int serviceState, IntPtr bufferOfENUM_SERVICE_STATUS,

int bufSize, ref int bytesNeeded, ref int numEnumerated);

[DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]

public extern static bool QueryServiceConfig(IntPtr serviceHandle, IntPtr query_service_config_ptr, int bufferSize, out int bytesNeeded);

}

}