static HMODULE load_desktop_driver( HWND hwnd )
{
static const WCHAR display_device_guid_propW[] = {
'_','_','w','i','n','e','_','d','i','s','p','l','a','y','_',
'd','e','v','i','c','e','_','g','u','i','d',0 };
static const WCHAR key_pathW[] = {
'S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'V','i','d','e','o','\\','{',0};
static const WCHAR displayW[] = {'}','\\','0','0','0','0',0};
static const WCHAR driverW[] = {'G','r','a','p','h','i','c','s','D','r','i','v','e','r',0};
HMODULE ret = 0;
HKEY hkey;
DWORD size;
WCHAR path[MAX_PATH];
WCHAR key[(sizeof(key_pathW) + sizeof(displayW)) / sizeof(WCHAR) + 40];
UINT guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
USER_CheckNotLock();
strcpy( driver_load_error, "The explorer process failed to start." ); /* default error */
if (!guid_atom)
{
SendMessageW( hwnd, WM_NULL, 0, 0 ); /* wait for the desktop process to be ready */
guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
}
memcpy( key, key_pathW, sizeof(key_pathW) );
if (!GlobalGetAtomNameW( guid_atom, key + strlenW(key), 40 )) return 0;
strcatW( key, displayW );
if (RegOpenKeyW( HKEY_LOCAL_MACHINE, key, &hkey )) return 0;
size = sizeof(path);
if (!RegQueryValueExW( hkey, driverW, NULL, NULL, (BYTE *)path, &size ))
{
if (!(ret = LoadLibraryW( path ))) ERR( "failed to load %s\n", debugstr_w(path) );
TRACE( "%s %p\n", debugstr_w(path), ret );
}
else
{
size = sizeof(driver_load_error);
RegQueryValueExA( hkey, "DriverError", NULL, NULL, (BYTE *)driver_load_error, &size );
}
RegCloseKey( hkey );
return ret;
}
/***********************************************************************
* NtOpenThread (NTDLL.@)
* ZwOpenThread (NTDLL.@)
*/
NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
{
NTSTATUS ret;
SERVER_START_REQ( open_thread )
{
req->tid = HandleToULong(id->UniqueThread);
req->access = access;
req->attributes = attr ? attr->Attributes : 0;
ret = wine_server_call( req );
*handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************
* fetch_process_info
*
* reads system wide process information, and gather from it the threads information
* for process of id 'pid'
*/
static BOOL fetch_process_info(struct dump_context* dc)
{
ULONG buf_size = 0x1000;
NTSTATUS nts;
void* pcs_buffer = NULL;
if (!(pcs_buffer = HeapAlloc(GetProcessHeap(), 0, buf_size))) return FALSE;
for (;;)
{
nts = NtQuerySystemInformation(SystemProcessInformation,
pcs_buffer, buf_size, NULL);
if (nts != STATUS_INFO_LENGTH_MISMATCH) break;
pcs_buffer = HeapReAlloc(GetProcessHeap(), 0, pcs_buffer, buf_size *= 2);
if (!pcs_buffer) return FALSE;
}
if (nts == STATUS_SUCCESS)
{
SYSTEM_PROCESS_INFORMATION* spi = pcs_buffer;
unsigned i;
for (;;)
{
if (HandleToUlong(spi->UniqueProcessId) == dc->pid)
{
dc->num_threads = spi->dwThreadCount;
dc->threads = HeapAlloc(GetProcessHeap(), 0,
dc->num_threads * sizeof(dc->threads[0]));
if (!dc->threads) goto failed;
for (i = 0; i < dc->num_threads; i++)
{
dc->threads[i].tid = HandleToULong(spi->ti[i].ClientId.UniqueThread);
dc->threads[i].prio_class = spi->ti[i].dwBasePriority; /* FIXME */
dc->threads[i].curr_prio = spi->ti[i].dwCurrentPriority;
}
HeapFree(GetProcessHeap(), 0, pcs_buffer);
return TRUE;
}
if (!spi->NextEntryOffset) break;
spi = (SYSTEM_PROCESS_INFORMATION*)((char*)spi + spi->NextEntryOffset);
}
}
failed:
HeapFree(GetProcessHeap(), 0, pcs_buffer);
return FALSE;
}
/**********************************************************************
* GetThreadId [KERNEL32.@]
*
* Retrieve the identifier of a thread.
*
* PARAMS
* Thread [I] The thread to retrieve the identifier of.
*
* RETURNS
* Success: Identifier of the target thread.
* Failure: 0
*/
DWORD WINAPI GetThreadId(HANDLE Thread)
{
THREAD_BASIC_INFORMATION tbi;
NTSTATUS status;
TRACE("(%p)\n", Thread);
status = NtQueryInformationThread(Thread, ThreadBasicInformation, &tbi,
sizeof(tbi), NULL);
if (status)
{
SetLastError( RtlNtStatusToDosError(status) );
return 0;
}
return HandleToULong(tbi.ClientId.UniqueThread);
}
static BOOL get_display_device_reg_key(char *key, unsigned len)
{
static const char display_device_guid_prop[] = "__wine_display_device_guid";
static const char video_path[] = "System\\CurrentControlSet\\Control\\Video\\{";
static const char display0[] = "}\\0000";
ATOM guid_atom;
assert(len >= sizeof(video_path) + sizeof(display0) + 40);
guid_atom = HandleToULong(GetPropA(GetDesktopWindow(), display_device_guid_prop));
if (!guid_atom) return FALSE;
memcpy(key, video_path, sizeof(video_path));
if (!GlobalGetAtomNameA(guid_atom, key + strlen(key), 40))
return FALSE;
strcat(key, display0);
TRACE("display device key %s\n", wine_dbgstr_a(key));
return TRUE;
}
/***************************************************************************
* CreateRemoteThread (KERNEL32.@)
*
* Creates a thread that runs in the address space of another process
*
* PARAMS
*
* RETURNS
* Success: Handle to the new thread.
* Failure: NULL. Use GetLastError() to find the error cause.
*
* BUGS
* Improper memory allocation: there's no ability to free new_thread_info
* in other process.
* Bad start address for RtlCreateUserThread because the library
* may be loaded at different address in other process.
*/
HANDLE WINAPI CreateRemoteThread( HANDLE hProcess, SECURITY_ATTRIBUTES *sa, SIZE_T stack,
LPTHREAD_START_ROUTINE start, LPVOID param,
DWORD flags, LPDWORD id )
{
HANDLE handle;
CLIENT_ID client_id;
NTSTATUS status;
SIZE_T stack_reserve = 0, stack_commit = 0;
if (flags & STACK_SIZE_PARAM_IS_A_RESERVATION) stack_reserve = stack;
else stack_commit = stack;
status = RtlCreateUserThread( hProcess, NULL, TRUE,
NULL, stack_reserve, stack_commit,
(PRTL_THREAD_START_ROUTINE)start, param, &handle, &client_id );
if (status == STATUS_SUCCESS)
{
if (id) *id = HandleToULong(client_id.UniqueThread);
if (sa && (sa->nLength >= sizeof(*sa)) && sa->bInheritHandle)
SetHandleInformation( handle, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT );
if (!(flags & CREATE_SUSPENDED))
{
ULONG ret;
if (NtResumeThread( handle, &ret ))
{
NtClose( handle );
SetLastError( ERROR_NOT_ENOUGH_MEMORY );
handle = 0;
}
}
}
else
{
SetLastError( RtlNtStatusToDosError(status) );
handle = 0;
}
return handle;
}
/***********************************************************************
* GetCurrentThreadId (KERNEL32.@)
*
* Get the current thread identifier.
*
* RETURNS
* current thread identifier
*/
DWORD WINAPI GetCurrentThreadId(void)
{
return HandleToULong(NtCurrentTeb()->ClientId.UniqueThread);
}
/***********************************************************************
* GetCurrentProcessId (KERNEL32.@)
*
* Get the current process identifier.
*
* RETURNS
* current process identifier
*/
DWORD WINAPI GetCurrentProcessId(void)
{
return HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess);
}
static HANDLE modify_handle(HANDLE handle, DWORD modify)
{
DWORD tmp = HandleToULong(handle);
tmp |= modify;
return ULongToHandle(tmp);
}
/***********************************************************************
* GetProcessDword (KERNEL.485)
* 'Of course you cannot directly access Windows internal structures'
*/
DWORD WINAPI GetProcessDword( DWORD dwProcessID, INT offset )
{
DWORD x, y;
STARTUPINFOW siw;
TRACE("(%d, %d)\n", dwProcessID, offset );
if (dwProcessID && dwProcessID != GetCurrentProcessId())
{
ERR("%d: process %x not accessible\n", offset, dwProcessID);
return 0;
}
switch ( offset )
{
case GPD_APP_COMPAT_FLAGS:
return GetAppCompatFlags16(0);
case GPD_LOAD_DONE_EVENT:
return 0;
case GPD_HINSTANCE16:
return GetTaskDS16();
case GPD_WINDOWS_VERSION:
return GetExeVersion16();
case GPD_THDB:
return (DWORD_PTR)NtCurrentTeb() - 0x10 /* FIXME */;
case GPD_PDB:
return (DWORD_PTR)NtCurrentTeb()->Peb; /* FIXME: truncating a pointer */
case GPD_STARTF_SHELLDATA: /* return stdoutput handle from startupinfo ??? */
GetStartupInfoW(&siw);
return HandleToULong(siw.hStdOutput);
case GPD_STARTF_HOTKEY: /* return stdinput handle from startupinfo ??? */
GetStartupInfoW(&siw);
return HandleToULong(siw.hStdInput);
case GPD_STARTF_SHOWWINDOW:
GetStartupInfoW(&siw);
return siw.wShowWindow;
case GPD_STARTF_SIZE:
GetStartupInfoW(&siw);
x = siw.dwXSize;
if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
y = siw.dwYSize;
if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
return MAKELONG( x, y );
case GPD_STARTF_POSITION:
GetStartupInfoW(&siw);
x = siw.dwX;
if ( (INT)x == CW_USEDEFAULT ) x = CW_USEDEFAULT16;
y = siw.dwY;
if ( (INT)y == CW_USEDEFAULT ) y = CW_USEDEFAULT16;
return MAKELONG( x, y );
case GPD_STARTF_FLAGS:
GetStartupInfoW(&siw);
return siw.dwFlags;
case GPD_PARENT:
return 0;
case GPD_FLAGS:
return GetProcessFlags(0);
case GPD_USERDATA:
return process_dword;
default:
ERR("Unknown offset %d\n", offset );
return 0;
}
}