/* $Id: odinlx.h,v 1.10 2004-01-12 09:53:28 sandervl Exp $ */

/*
 *
 * Interface for running Win32 programs (compiled in OS/2)
 *
 * Copyright 1999 Sander van Leeuwen (sandervl@xs4all.nl)
 *
 *
 * Project Odin Software License can be found in LICENSE.TXT
 *
 */
#ifndef _ODINLX_H
#define _ODINLX_H

#include <win/peexe.h>
#include <versionos2.h>

#define ORDINAL_REGISTERLXDLL		1238
#define ORDINAL_UNREGISTERLXDLL		1239
#define ORDINAL_REGISTERLXEXE		1237
#define ORDINAL_REGISTERDUMMYEXE	1249

#ifdef __cplusplus
extern "C" {
#endif

typedef ULONG (* WIN32API WIN32DLLENTRY)(ULONG hInstance, ULONG reason, LPVOID reserved);
typedef int (* WIN32API WINMAIN)(HANDLE hInstance, HANDLE hPrevInstance, LPSTR lpCmdLine, int nShowCmd);

//******************************************************************************
//Create LX Dll object and send process attach message
//System dlls set EntryPoint to 0
//Parameters:
//  HINSTANCE hInstance         - OS/2 module handle
//  WIN32DLLENTRY EntryPoint    - Win32 dll entrypoint address
//  PVOID pResData              - pointer to win32 resource data
//  DWORD MajorImageVersion     - major image/os version (for fake win32 header)
//  DWORD MinorImageVersion     - minor image/os version (for fake win32 header)
//  DWORD Subsystem             - subsystem type (for fake win32 header)
//                                (IMAGE_SUBSYSTEM_WINDOWS_CUI/IMAGE_SUBSYSTEM_WINDOWS_GUI/IMAGE_SUBSYSTEM_WINDOWS_NATIVE)
//
//Returns: Odin32 module handle
//******************************************************************************
DWORD WIN32API RegisterLxDll(HINSTANCE hInstance, WIN32DLLENTRY EntryPoint,
                             PVOID pResData,
                             DWORD MajorImageVersion DEF_VAL(ODINNT_MAJOR_VERSION),
                             DWORD MinorImageVersion DEF_VAL(ODINNT_MINOR_VERSION),
                             DWORD Subsystem DEF_VAL(IMAGE_SUBSYSTEM_WINDOWS_CUI));

//******************************************************************************
//Destroy LX Dll object
//******************************************************************************
BOOL WIN32API UnregisterLxDll(HINSTANCE hInstance);

//******************************************************************************
//Create LX Exe object and call entrypoint
//System dlls set EntryPoint to 0
//******************************************************************************
BOOL WIN32API RegisterLxExe(WINMAIN EntryPoint, PVOID pResData);

//******************************************************************************
//Create Dummy Exe object
//******************************************************************************
BOOL WIN32API RegisterDummyExe(LPSTR pszExeName);
BOOL WIN32API IsDummyExeLoaded();

//******************************************************************************
//Makes FS register point to the Win32 thread information block. For Win32
//binaries, this is set automatically but for OS/2 binaries it must be set by
//hand when ODIN_FORCE_WIN32_TIB is defined in order for SEH (structured
//exception handling) to work properly. Must be called before RegisterLxDll()/
//RegisterLxExe().
//******************************************************************************
VOID WIN32API ForceWin32TIB();

#ifdef __cplusplus
}
#endif

#endif