void WINAPI
ReplyMessage(LRESULT lParam)
{
if (lpSendMessageStack &&
lpSendMessageStack->hReceivingTask == GetCurrentTask())
{
lpSendMessageStack->lResult = lParam;
lpSendMessageStack->bSendCompleted = TRUE;
DirectedYield(lpSendMessageStack->hSendingTask);
}
}
restart_opts DebugeeWaitForMessage( void )
{
MSG msg;
HANDLE huser;
HWND hwnddtop;
HWND capture;
HWND wnd;
HANDLE hinst;
/*
* give up any capture in context of debugee
*/
capture = SetCapture(NULL);
if( capture != NULL ) {
ReleaseCapture();
Out((OUT_SOFT,"Capture hwnd=%04x", capture ));
}
/*
* hang out and wait
*/
huser = GetModuleHandle( "USER");
hwnddtop = GetDesktopWindow();
wnd = GetFocus();
if( IsTaskWnd( wnd ) ) {
FocusWnd = wnd;
}
wnd = GetActiveWindow();
if( IsTaskWnd( wnd ) ) {
ActiveWnd = wnd;
}
if( HardModeRequired || SystemDebugState == SDS_NOTASKQUEUE || DebuggerWindow == NULL ) {
Out((OUT_SOFT,"In HardMode Loop! req=%d,SDS=%d,Window=%4.4x",HardModeRequired,SystemDebugState,DebuggerWindow ));
while( DebuggerState == ACTIVE ) {
DirectedYield( DebuggerTask );
}
if( capture != NULL ) {
SetCapture( capture );
}
return( AppMessage );
}
Out((OUT_SOFT,"In SoftMode Loop task=%04x(%04x), act=%04x, foc=%04x, t=%d, DW=%04x", GetCurrentTask(), DebugeeTask, ActiveWnd, FocusWnd, TraceOn, DebuggerWindow ));
DefaultProcInstance = (FARPROC)MakeProcInstance( (FARPROC)DefaultProc, DebugeeInstance );
EnumTaskProcInstance = MakeProcInstance( (FARPROC)EnumTaskWindowsFunc, DebugeeInstance );
EnumChildProcInstance = MakeProcInstance( (FARPROC)EnumChildWindowsFunc, DebugeeInstance );
EnumTaskWindows( GetCurrentTask(), (WNDENUMPROC)EnumTaskProcInstance, 0 );
FreeProcInstance( EnumChildProcInstance );
FreeProcInstance( EnumTaskProcInstance );
while( 1 ) {
GetMessage( &msg, NULL, 0, 0 );
if( msg.hwnd == NULL &&
msg.message == WM_NULL && msg.lParam == MAGIC_COOKIE ) break;
if( msg.hwnd != NULL ) {
hinst = (HINSTANCE)GetWindowWord( msg.hwnd, GWW_HINSTANCE );
} else {
hinst = NULL;
}
if( msg.hwnd == hwnddtop || hinst == huser ) {
TranslateMessage( &msg );
DispatchMessage( &msg );
} else {
SubClassProc( msg.hwnd, msg.message, msg.wParam, msg.lParam );
}
}
if( !TraceOn && DebuggerWindow != NULL ) {
if( IsTaskWnd( FocusWnd ) ) {
Out((OUT_SOFT,"Focus Window to %4.4x", FocusWnd ));
SetFocus( FocusWnd );
}
if( IsTaskWnd( ActiveWnd ) ) {
Out((OUT_SOFT,"Active Window to %4.4x", ActiveWnd ));
SetActiveWindow( ActiveWnd );
}
}
ExitSoftMode();
FreeProcInstance( DefaultProcInstance );
if( capture != NULL ) {
SetCapture( capture );
}
Out((OUT_SOFT,"active=%04x, focus=%04x, TraceOn=%d, DW=%04x", ActiveWnd, FocusWnd, TraceOn, DebuggerWindow ));
PostAppMessage( GetCurrentTask(), WM_NULL, 0, 0L );
return( msg.wParam );
} /* DebugeeWaitForMessage */
LRESULT WINAPI
SendMessage(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam)
{
#ifdef STRICT
WNDPROC lpfnWndProc;
#else
FARPROC lpfnWndProc;
#endif
DWORD rc;
BOOL cInSendMessage;
MSG msg;
HWND32 hWnd32;
#ifdef DEBUG
memset((LPSTR)&msg,'\0',sizeof(MSG));
#endif
if(hWnd == HWND_BROADCAST) {
msg.message = wMsg;
msg.wParam = wParam;
msg.lParam = lParam;
/*send to all top level windows */
return EnumWindows((WNDENUMPROC)MultiSendMsg,(LONG)&msg);
}
/*
* Is this a valid window?
*/
if (!(hWnd32 = CHECKHWND32(hWnd)))
return 0;
/*
* Does the window have a valid task?
*/
if (GetWindowTask(hWnd) == 0 ||
!TWIN_IsLiveTask(GetWindowTask(hWnd))) {
RELEASEWININFO(hWnd32);
return 0;
}
/*
* Is this window dead?
*/
if (hWnd32->dwWinFlags & WFDEAD) {
RELEASEWININFO(hWnd32);
return 0;
}
/*
* Window is a good destination. Intertask send?
*/
if (hWnd != 0 && GetWindowTask(hWnd) != GetCurrentTask())
{
ITSMINFO smse;
/* save current InSendMessage Flag */
cInSendMessage = bInSendMessage;
/* we are now in sendmessage */
bInSendMessage = TRUE;
smse.hSendingTask = GetCurrentTask();
smse.hReceivingTask = GetWindowTask(hWnd);
smse.msg.hwnd = hWnd;
smse.msg.message = wMsg;
smse.msg.wParam = wParam;
smse.msg.lParam = lParam;
smse.bSendReceived = FALSE;
smse.bSendCompleted = FALSE;
smse.lpPrev = lpSendMessageStack;
lpSendMessageStack = &smse;
DirectedYield(smse.hReceivingTask);
while (!smse.bSendCompleted)
{
TWIN_ReceiveMessage(TRUE);
}
lpSendMessageStack = smse.lpPrev;
/* back to what it was before... */
bInSendMessage = cInSendMessage;
RELEASEWININFO(hWnd32);
return smse.lResult;
}
if ((lpfnWndProc =
#ifdef STRICT
(WNDPROC)
#else
(FARPROC)
#endif
GetWindowLong(hWnd, GWL_WNDPROC)) == NULL) {
ERRSTR((LF_WARNING,"SendMessage: Null wndproc!\n"));
RELEASEWININFO(hWnd32);
return(0L);
}
/* save current InSendMessage Flag */
cInSendMessage = bInSendMessage;
/* we are now in sendmessage */
bInSendMessage = TRUE;
if (lpHookList[WH_CALLWNDPROC+1]) {
ATOM atmClassName;
HOOKINFO hki;
if ((atmClassName = GetClassWord(hWnd,GCW_ATOM)) !=
atmGlobalLookup[LOOKUP_FRAME]) {
hki.hWnd = hWnd;
hki.msg = wMsg;
hki.wParam = wParam;
hki.lParam = lParam;
msg.hwnd = hWnd;
msg.message = wMsg;
msg.wParam = wParam;
msg.lParam = lParam;
lpHookList[WH_CALLWNDPROC+1]->lpfnHookProc(0,0,(LPARAM)&hki);
}
}
rc = TWIN_CallWindowProc(lpfnWndProc,0,hWnd, wMsg, wParam, lParam);
RELEASEWININFO(hWnd32);
/* back to what it was before... */
bInSendMessage = cInSendMessage;
return rc;
}
void zDirectedYield (DWORD dwThreadId)
{
DirectedYield (dwThreadId);
}
