Deadlocked UI need a little help
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I have what seems to be a random deadlock in my application which I am hoping someone can shed some light on. The occurance of the deadlock is random but the call stack is far from it... below is the stack I am getting.
0:001> ~0s;kbn
eax=002f0f60 ebx=00000000 ecx=00000f60 edx=00000f60 esi=0079cc10 edi=0015ec54
eip=61088bc4 esp=0015ea90 ebp=0015ebd0 iopl=0 nv up ei pl nz na pe nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000206
mfc90ud!CWnd::OnWndMsg+0x224:
61088bc4 335508 xor edx,dword ptr [ebp+8] ss:002b:0015ebd8=00000087ChildEBP RetAddr Args to Child
00 0015ebd0 61088962 00000087 00000000 00000000 mfc90ud!CWnd::OnWndMsg+0x224
01 0015ebf0 61085d80 00000087 00000000 00000000 mfc90ud!CWnd::WindowProc+0x32
02 0015ec6c 61086346 0015f884 000b1068 00000087 mfc90ud!AfxCallWndProc+0xf0
03 0015ec8c 61081a3b 000b1068 00000087 00000000 mfc90ud!AfxWndProc+0xa6
04 0015ecc8 750c6238 000b1068 00000087 00000000 mfc90ud!AfxWndProcBase+0x5b
05 0015ecf4 750c68ea 610819e0 000b1068 00000087 USER32!InternalCallWinProc+0x23
06 0015ed6c 750ccd1a 00000000 610819e0 000b1068 USER32!UserCallWinProcCheckWow+0x109
07 0015edb0 750ccd81 00c8ba70 00000000 610819e0 USER32!SendMessageWorker+0x581
08 0015edd4 750e0fb1 000b1068 00000087 00000000 USER32!SendMessageW+0x7f
09 0015ee00 750e29a2 00cadd90 00000000 00c87810 USER32!xxxRemoveDefaultButton+0x5f
0a 0015ee30 750dc0cd 00cadd90 00000000 00290b46 USER32!xxxCheckDefPushButton+0x12d
0b 0015ee68 610eebb3 001e0ada 00000000 f53163fb USER32!IsDialogMessageW+0x156
0c 0015ee80 6108f76e 0079cbc8 0058cff8 0015eea8 mfc90ud!CWnd::IsDialogMessageW+0x73
0d 0015ee90 610c730f 0079cbc8 0058cff8 0058cff8 mfc90ud!CWnd::PreTranslateInput+0x6e
0e 0015eea8 6108afbd 0079cbc8 0058cff8 00190712 mfc90ud!CDialog::PreTranslateMessage+0xef
0f 0015eebc 611174df 001e0ada 0079cbc8 0015eedc mfc90ud!CWnd::WalkPreTranslateTree+0x8d
10 0015eed8 61118595 0079cbc8 002f9940 0015eef8 mfc90ud!AfxInternalPreTranslateMessage+0x4f
11 0015eee8 61117555 0079cbc8 002f9940 0015ef18 mfc90ud!CWinThread::PreTranslateMessage+0x25
12 0015eef8 61117391 0079cbc8 0015ef14 61081be9 mfc90ud!AfxPreTranslateMessage+0x25
13 0015ef18 611188ee 002f9940 0015ef30 611173e1 mfc90ud!AfxInternalPumpMessage+0xe1
0:000> .frame c
0c 0015ee80 6108f76e mfc90ud!CWnd::IsDialogMessageW+0x73
0:000> dv
this = 0x0058cff8
lpMsg = 0x0079cbc8
0:000> dt lpMsg -r
Local var @ 0x15ee88 Type tagMSG*
0x0079cbc8
+0x000 hwnd -
I have what seems to be a random deadlock in my application which I am hoping someone can shed some light on. The occurance of the deadlock is random but the call stack is far from it... below is the stack I am getting.
0:001> ~0s;kbn
eax=002f0f60 ebx=00000000 ecx=00000f60 edx=00000f60 esi=0079cc10 edi=0015ec54
eip=61088bc4 esp=0015ea90 ebp=0015ebd0 iopl=0 nv up ei pl nz na pe nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00000206
mfc90ud!CWnd::OnWndMsg+0x224:
61088bc4 335508 xor edx,dword ptr [ebp+8] ss:002b:0015ebd8=00000087ChildEBP RetAddr Args to Child
00 0015ebd0 61088962 00000087 00000000 00000000 mfc90ud!CWnd::OnWndMsg+0x224
01 0015ebf0 61085d80 00000087 00000000 00000000 mfc90ud!CWnd::WindowProc+0x32
02 0015ec6c 61086346 0015f884 000b1068 00000087 mfc90ud!AfxCallWndProc+0xf0
03 0015ec8c 61081a3b 000b1068 00000087 00000000 mfc90ud!AfxWndProc+0xa6
04 0015ecc8 750c6238 000b1068 00000087 00000000 mfc90ud!AfxWndProcBase+0x5b
05 0015ecf4 750c68ea 610819e0 000b1068 00000087 USER32!InternalCallWinProc+0x23
06 0015ed6c 750ccd1a 00000000 610819e0 000b1068 USER32!UserCallWinProcCheckWow+0x109
07 0015edb0 750ccd81 00c8ba70 00000000 610819e0 USER32!SendMessageWorker+0x581
08 0015edd4 750e0fb1 000b1068 00000087 00000000 USER32!SendMessageW+0x7f
09 0015ee00 750e29a2 00cadd90 00000000 00c87810 USER32!xxxRemoveDefaultButton+0x5f
0a 0015ee30 750dc0cd 00cadd90 00000000 00290b46 USER32!xxxCheckDefPushButton+0x12d
0b 0015ee68 610eebb3 001e0ada 00000000 f53163fb USER32!IsDialogMessageW+0x156
0c 0015ee80 6108f76e 0079cbc8 0058cff8 0015eea8 mfc90ud!CWnd::IsDialogMessageW+0x73
0d 0015ee90 610c730f 0079cbc8 0058cff8 0058cff8 mfc90ud!CWnd::PreTranslateInput+0x6e
0e 0015eea8 6108afbd 0079cbc8 0058cff8 00190712 mfc90ud!CDialog::PreTranslateMessage+0xef
0f 0015eebc 611174df 001e0ada 0079cbc8 0015eedc mfc90ud!CWnd::WalkPreTranslateTree+0x8d
10 0015eed8 61118595 0079cbc8 002f9940 0015eef8 mfc90ud!AfxInternalPreTranslateMessage+0x4f
11 0015eee8 61117555 0079cbc8 002f9940 0015ef18 mfc90ud!CWinThread::PreTranslateMessage+0x25
12 0015eef8 61117391 0079cbc8 0015ef14 61081be9 mfc90ud!AfxPreTranslateMessage+0x25
13 0015ef18 611188ee 002f9940 0015ef30 611173e1 mfc90ud!AfxInternalPumpMessage+0xe1
0:000> .frame c
0c 0015ee80 6108f76e mfc90ud!CWnd::IsDialogMessageW+0x73
0:000> dv
this = 0x0058cff8
lpMsg = 0x0079cbc8
0:000> dt lpMsg -r
Local var @ 0x15ee88 Type tagMSG*
0x0079cbc8
+0x000 hwndAfter a little more digging I have discovered that I am getting stuck in a loop inside CWnd with a
WM_GETDLGCODEbeing passed to all of the controls in my application?|?|? The main dialog consists ofBEGIN
CONTROL "",IDC_MNG_TAB,"SysTabControl32",0x0,17,25,248,300
PUSHBUTTON "Edit",IDC_MNG_EDIT,31,345,51,14,WS_GROUP
PUSHBUTTON "Apply",IDC_MNG_APPLY,112,345,50,14,WS_DISABLED | WS_GROUP
DEFPUSHBUTTON "Cancel",IDC_MNG_CANCEL,194,345,50,14,WS_GROUP
CONTROL "",IDC_MAIN_TREE,"SysTreeView32",WS_BORDER | WS_HSCROLL | WS_GROUP | WS_TABSTOP,299,75,209,250
CONTROL "",IDC_RPT_TAB,"SysTabControl32",0x0,544,25,248,300
PUSHBUTTON "Execute",IDC_RPT_EXECUTE,561,345,50,14,WS_GROUP
PUSHBUTTON "Cancel",IDC_RPT_CANCEL,724,345,50,14,WS_GROUP
CONTROL 284,IDC_LOGO,"Static",SS_BITMAP,299,329,209,39
GROUPBOX "Manage",IDC_MNG,7,7,268,369
GROUPBOX "Monitor",IDC_MONITOR,285,7,237,369
GROUPBOX "Report",IDC_RPT,532,7,268,369
GROUPBOX "Status",IDC_ST_STATUS,299,21,209,44
CONTROL 0,IDC_STATUS,"Static",SS_BITMAP,324,31,159,28
ENDThe group boxes and tab controls are owner drawn. Any help would be appreciated.
Alan