mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-15 01:34:47 +00:00
user: Defer all ExitWindowsEx processing to wineboot.
This commit is contained in:
Alexandre Julliard
parent
54da7fb8cf
commit
8653598a66
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@ -26,7 +26,6 @@
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#include "wingdi.h"
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#include "winuser.h"
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#include "winreg.h"
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#include "tlhelp32.h"
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#include "controls.h"
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#include "user_private.h"
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@ -283,202 +282,40 @@ BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
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}
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/***********************************************************************
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* USER_GetProcessHandleList(Internal)
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*/
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static HANDLE *USER_GetProcessHandleList(void)
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{
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DWORD count, i, n;
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HANDLE *list;
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PROCESSENTRY32 pe;
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HANDLE hSnapshot;
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BOOL r;
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hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
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if (!hSnapshot)
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{
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ERR("cannot create snapshot\n");
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return FALSE;
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}
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/* count the number of processes plus one */
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for (count=0; ;count++)
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{
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pe.dwSize = sizeof pe;
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if (count)
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r = Process32Next( hSnapshot, &pe );
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else
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r = Process32First( hSnapshot, &pe );
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if (!r)
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break;
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}
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/* allocate memory make a list of the process handles */
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list = HeapAlloc( GetProcessHeap(), 0, (count+1)*sizeof(HANDLE) );
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n=0;
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for (i=0; i<count; i++)
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{
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pe.dwSize = sizeof pe;
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if (i)
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r = Process32Next( hSnapshot, &pe );
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else
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r = Process32First( hSnapshot, &pe );
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if (!r)
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break;
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/* don't kill ourselves */
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if (GetCurrentProcessId() == pe.th32ProcessID )
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continue;
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/* open the process so we don't can track it */
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list[n] = OpenProcess( PROCESS_QUERY_INFORMATION|
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PROCESS_TERMINATE,
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FALSE, pe.th32ProcessID );
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/* check it didn't terminate already */
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if( list[n] )
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n++;
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}
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list[n]=0;
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CloseHandle( hSnapshot );
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if (!r)
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ERR("Error enumerating processes\n");
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TRACE("return %lu processes\n", n);
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return list;
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}
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/***********************************************************************
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* USER_KillProcesses (Internal)
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*/
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static DWORD USER_KillProcesses(void)
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{
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DWORD n, r, i;
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HANDLE *handles;
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const DWORD dwShutdownTimeout = 10000;
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TRACE("terminating other processes\n");
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/* kill it and add it to our list of object to wait on */
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handles = USER_GetProcessHandleList();
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for (n=0; handles && handles[n]; n++)
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TerminateProcess( handles[n], 0 );
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/* wait for processes to exit */
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for (i=0; i<n; i+=MAXIMUM_WAIT_OBJECTS)
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{
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int n_objs = ((n-i)>MAXIMUM_WAIT_OBJECTS) ? MAXIMUM_WAIT_OBJECTS : (n-i);
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r = WaitForMultipleObjects( n_objs, &handles[i], TRUE, dwShutdownTimeout );
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if (r==WAIT_TIMEOUT)
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ERR("wait failed!\n");
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}
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/* close the handles */
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for (i=0; i<n; i++)
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CloseHandle( handles[i] );
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HeapFree( GetProcessHeap(), 0, handles );
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return n;
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}
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/***********************************************************************
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* USER_DoShutdown (Internal)
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*/
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static void USER_DoShutdown(void)
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{
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DWORD i, n;
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const DWORD nRetries = 10;
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for (i=0; i<nRetries; i++)
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{
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n = USER_KillProcesses();
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TRACE("Killed %ld processes, attempt %ld\n", n, i);
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if(!n)
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break;
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}
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}
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/***********************************************************************
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* ExitWindowsEx (USER32.@)
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*/
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BOOL WINAPI ExitWindowsEx( UINT flags, DWORD reason )
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{
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TRACE("(%x,%lx)\n", flags, reason);
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static const WCHAR winebootW[] = { '\\','w','i','n','e','b','o','o','t',0 };
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static const WCHAR killW[] = { ' ','-','-','k','i','l','l',0 };
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static const WCHAR end_sessionW[] = { ' ','-','-','e','n','d','-','s','e','s','s','i','o','n',0 };
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static const WCHAR forceW[] = { ' ','-','-','f','o','r','c','e',0 };
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static const WCHAR shutdownW[] = { ' ','-','-','s','h','u','t','d','o','w','n',0 };
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if (!WIN_IsCurrentThread( GetDesktopWindow() ))
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WCHAR cmdline[MAX_PATH + 64];
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PROCESS_INFORMATION pi;
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STARTUPINFOW si;
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GetSystemDirectoryW( cmdline, MAX_PATH );
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lstrcatW( cmdline, winebootW );
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if (flags & EWX_FORCE) lstrcatW( cmdline, killW );
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else
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{
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BOOL ret = PostMessageW( GetDesktopWindow(), WM_USER + 666,
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MAKEWPARAM( flags, 0xbabe ), reason);
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if (ret)
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return TRUE;
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/* this can happen if explorer hasn't been started or created the
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* desktop window yet */
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WARN("PostMessage failed with error %ld\n", GetLastError());
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/* fall through to doing it in the same process */
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lstrcatW( cmdline, end_sessionW );
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if (flags & EWX_FORCEIFHUNG) lstrcatW( cmdline, forceW );
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}
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if (!(flags & EWX_REBOOT)) lstrcatW( cmdline, shutdownW );
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if ((flags & EWX_FORCE) == 0)
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memset( &si, 0, sizeof si );
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si.cb = sizeof si;
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if (!CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS, NULL, NULL, &si, &pi ))
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{
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HWND *list;
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/* We have to build a list of all windows first, as in EnumWindows */
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list = WIN_ListChildren( GetDesktopWindow() );
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if (list)
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{
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HWND *phwnd;
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UINT send_flags;
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DWORD_PTR result=1;
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/* Send a WM_QUERYENDSESSION / WM_ENDSESSION message pair to
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* each window. Note: it might be better to send all the
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* WM_QUERYENDSESSION messages, aggregate the results and then
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* send all the WM_ENDSESSION messages with the results but
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* that's not what Windows does.
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*/
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send_flags=(flags & EWX_FORCEIFHUNG) ? SMTO_ABORTIFHUNG : SMTO_NORMAL;
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for (phwnd = list; *phwnd; phwnd++)
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{
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/* Make sure that the window still exists */
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if (!IsWindow( *phwnd )) continue;
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if (SendMessageTimeoutW( *phwnd, WM_QUERYENDSESSION, 0, 0, send_flags, 0, &result))
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{
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DWORD_PTR dummy;
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SendMessageTimeoutW( *phwnd, WM_ENDSESSION, result, 0, send_flags, 0, &dummy );
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if (!result) break;
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}
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}
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HeapFree( GetProcessHeap(), 0, list );
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if (!result)
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return TRUE;
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}
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ERR( "Failed to run %s\n", debugstr_w(cmdline) );
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return FALSE;
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}
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/* USER_DoShutdown will kill all processes except the current process */
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USER_DoShutdown();
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if (flags & EWX_REBOOT)
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{
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WCHAR winebootW[] = { 'w','i','n','e','b','o','o','t',0 };
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PROCESS_INFORMATION pi;
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STARTUPINFOW si;
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memset( &si, 0, sizeof si );
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si.cb = sizeof si;
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if (CreateProcessW( NULL, winebootW, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi ))
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{
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CloseHandle( pi.hProcess );
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CloseHandle( pi.hThread );
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}
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else
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MESSAGE("wine: Failed to start wineboot\n");
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}
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CloseHandle( pi.hProcess );
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CloseHandle( pi.hThread );
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return TRUE;
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}
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@ -64,13 +64,6 @@ static LRESULT WINAPI desktop_wnd_proc( HWND hwnd, UINT message, WPARAM wp, LPAR
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}
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return 0;
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/* simple check to prevent applications accidentally triggering the
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* ExitWindowsEx code if they send random messages to the desktop window */
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case WM_USER + 666:
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if (HIWORD(wp) == 0xbabe)
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return ExitWindowsEx( LOWORD(wp), lp );
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return DefWindowProcW( hwnd, message, wp, lp );
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default:
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return DefWindowProcW( hwnd, message, wp, lp );
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}
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