Ros-dev

ros-dev@reactos.org

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5793 discussions

ReactOS on VirtualBox
by Mike Leahy 17 Oct '07

17 Oct '07

Hello list, As recommended in the FAQ, I thought I'd mention that I gave ReactOS a try as a virtual machine using VirtualBox (http://www.virtualbox.org), and it seems to work okay. It wouldn't be too difficult to post a VirtualBox virtual disk image file, though it only took a couple minutes to setup from the installation CD image. I'd like to know if anyone else has given it a try though, as I had some stability problems (random freezes, etc.). I look forward to the future releases of ReactOS. Regards, Mike

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Re: [ros-dev] [ros-diffs] [tkreuzer] 29617: If cmd was started from a shortcut, use the shortcut's name as window title, else use executable name, like on windows. Doesn't work on ros atm, due to bug 2743, but works on win XP. So if'ed out atm.
by Thomas Weidenmueller 16 Oct '07

16 Oct '07

This is a hack that shouldn't be there. This is csrss' responsibility. - Thomas tkreuzer(a)svn.reactos.org wrote: > Author: tkreuzer > Date: Tue Oct 16 02:23:42 2007 > New Revision: 29617 > > URL: http://svn.reactos.org/svn/reactos?rev=29617&view=rev > Log: > If cmd was started from a shortcut, use the shortcut's name as window title, else use executable name, like on windows. Doesn't work on ros atm, due to bug 2743, but works on win XP. So if'ed out atm. > > Modified: > trunk/reactos/base/shell/cmd/cmd.c > > Modified: trunk/reactos/base/shell/cmd/cmd.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/base/shell/cmd/cmd.c?rev=2… > ============================================================================== > --- trunk/reactos/base/shell/cmd/cmd.c (original) > +++ trunk/reactos/base/shell/cmd/cmd.c Tue Oct 16 02:23:42 2007 > @@ -1603,6 +1603,53 @@ > } > #endif > > +void > +InitTitle() > +{ > + STARTUPINFOW StartupInfo; > + LPWSTR lpFileName; > + WCHAR szTitle[MAX_PATH+1]; > + > + GetStartupInfoW(&StartupInfo); > + > + if (StartupInfo.lpTitle) > + { > + /* Are we started from a shortcut? */ > + if (StartupInfo.dwFlags & 0x800) > + { > + UINT len; > + > + /* We are started from a shortcut, use the file name only */ > + lpFileName = wcsrchr(StartupInfo.lpTitle, '\\'); > + if (lpFileName == NULL) > + { > + lpFileName = StartupInfo.lpTitle; > + } > + > + /* Drop file extension, we simply assume 3 chars extension */ > + len = wcslen(lpFileName) - 4; > + if (len > 0) > + { > + len = min(len, MAX_PATH); > + wcsncpy(szTitle, lpFileName, len); > + szTitle[len] = 0; > + SetConsoleTitleW(szTitle); > + return; > + } > + } > + > + /* Use lpTitle member of STARTUPINFO */ > + SetConsoleTitleW(StartupInfo.lpTitle); > + return; > + } > + > + /* Set executable path as window title */ > + GetModuleFileNameW(NULL, szTitle, MAX_PATH); > + SetConsoleTitleW(szTitle); > + return; > +} > + > + > /* > * set up global initializations and process parameters > * > @@ -1625,6 +1672,11 @@ > osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); > GetVersionEx (&osvi); > > + /* FIXME: Doesn't work in ros yet, because of missing functionality of ShellExecute. > + See bug 2743. Please unif as soon as it get's fixed. */ > +#if 0 > + InitTitle(); > +#endif > /* Some people like to run ReactOS cmd.exe on Win98, it helps in the > * build process. So don't link implicitly against ntdll.dll, load it > * dynamically instead */ > >

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Doubts about the header changes in r29178
by Colin Finck 15 Oct '07

15 Oct '07

Hello, Hervé added some Standard C library headers to the "include/crt" directory in r29178. Now some people noticed that these changes broke building ReactOS components with MSVC using the ReactOS headers ("Debug - ReactOS headers" or "Release - ReactOS headers" configuration). I have some general doubts about these changes. >From my knowledge, the headers added in this commit, are compiler-specific and target-independent. You can easily see that they are specific to GCC/mingw as for example "stdio.h" includes a "_mingw.h" file with mingw-specific stuff. "stdarg.h" even leads to compilation problems with non-GCC-compilers (like MSVC), because it defines a type based on the __builtin_va_list type, and this built-in type only exists for GCC. In my opinion, this commit should be reverted. This way every compiler will use its own Standard C library headers and MSVC should be able to build ReactOS components using the ReactOS Win32 headers again. Regards, Colin

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DC_ATTR with DCE
by James Tabor 13 Oct '07

13 Oct '07

Hi All! (subsystems\win32\win32k\ntuser\windc.c:156) FREE DCATTR!!!! NOT DCE_WINDOW_DC!!!!! hDC-> 6010078 (subsystems\win32\win32k\objects\dc.c:2549) DC_FreeDC DC_ATTR 0x2d80000 (subsystems\win32\win32k\ntuser\windc.c:551) ENTER!!!!!! DCX_CACHE!!!!!! hDC-> 6010078 (subsystems\win32\win32k\ntuser\windc.c:272) Exit!!!!! DCX_CACHE!!!!!! hDC-> 6010078 (subsystems\win32\win32k\objects\dc.c:2549) DC_FreeDC DC_ATTR 0x1020000 (subsystems\win32\win32k\ntuser\windc.c:156) FREE DCATTR!!!! NOT DCE_WINDOW_DC!!!!! hDC-> 14010092 (subsystems\win32\win32k\objects\dc.c:2549) DC_FreeDC DC_ATTR 0x1030000 (subsystems\win32\win32k\ntuser\windc.c:551) ENTER!!!!!! DCX_CACHE!!!!!! hDC-> 14010092 (subsystems\win32\win32k\ntuser\windc.c:272) Exit!!!!! DCX_CACHE!!!!!! hDC-> 14010092 (subsystems\win32\win32k\ntuser\windc.c:551) ENTER!!!!!! DCX_CACHE!!!!!! hDC-> 14010092 (subsystems\win32\win32k\ntuser\windc.c:272) Exit!!!!! DCX_CACHE!!!!!! hDC-> 14010092 Problem, Two Window DCE with DC objects are created and used through out the whole system and the ownership was passed to NULL for both DC objects. The dcattr, allocated and ownership belongs to the original process. So when testing the dcattr in user mode, creates user exception faults. DC object one: 6010078 and object two: 14010092. The Fix: First, I free the "non owned window (DCX_CACHE) DCE DC" dcattr before the DC is placed in "inaccessible mode" so the ownership of the dcattr is not lost. All traces of ownership comes from the DC handle information. Once it is set NULL it is lost. Second, I display the "Enter" (GetDCx) and "Exit" (ReleaseDC) for non owned window DCE DC. I'm doing this so I can trace it out. and,,,.... For DCX_CACHE DCE: ENTER "Get" allocate a new dcattr for the current process. EXIT "Release" free the dcattr for that process. Windows does something similar to this. Here is the patches,,, The test is: click on the time clock at the bottom right. Click on adjust time and date. There you go.... the Gdi patch allows access to the dcattr pen for the DCE DC now. It works,,,,, Thanks, James subsystems/win32/win32k: Index: ntuser/windc.c =================================================================== --- ntuser/windc.c (revision 29544) +++ ntuser/windc.c (working copy) @@ -153,6 +153,8 @@ } else { + DPRINT1("FREE DCATTR!!!! NOT DCE_WINDOW_DC!!!!! hDC-> %x\n", pDce->hDC); + DC_FreeDcAttr(pDce->hDC, NULL); // Free the dcattr! DC_SetOwnership(pDce->hDC, NULL); // This hDC is inaccessible! } @@ -267,6 +269,9 @@ dce->DCXFlags |= DCX_DCEEMPTY; } } + DPRINT1("Exit!!!!! DCX_CACHE!!!!!! hDC-> %x \n", dce->hDC); + DC_FreeDcAttr(dce->hDC, NULL); // Free the dcattr! + DC_SetOwnership(dce->hDC, NULL); } return 1; } @@ -543,6 +548,14 @@ DceUpdateVisRgn(Dce, Window, Flags); } + if (Dce->DCXFlags & DCX_CACHE) + { + DPRINT1("ENTER!!!!!! DCX_CACHE!!!!!! hDC-> %x\n", Dce->hDC); + DC_SetOwnership( Dce->hDC, PsGetCurrentProcess()); + DC_AllocateDcAttr( Dce->hDC, NULL); + DCU_SynchDcAttrtoUser( Dce->hDC, -1); // Copy data from dc to dcattr +// Dce->pProcess = PsGetCurrentProcess(); + } return(Dce->hDC); } dll/win32/gdi32: Index: dc.c =================================================================== --- dc.c (revision 29544) +++ dc.c (working copy) @@ -320,7 +320,7 @@ STDCALL GetDCObject( HDC hDC, INT iType) { -#if 0 +//#if 0 if((iType == GDI_OBJECT_TYPE_BRUSH) || (iType == GDI_OBJECT_TYPE_EXTPEN)|| (iType == GDI_OBJECT_TYPE_PEN) || @@ -348,7 +348,7 @@ } return hGO; } -#endif +//#endif return NtGdiGetDCObject( hDC, iType ); }

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Re: [ros-dev] Porting ReactOS to the L4 micro-kernel
by Aleksey Bragin 10 Oct '07

10 Oct '07

Hi, what I can tell right away, is that it's a very interesting, suitable for diploma thesis work, but it's a challenge. You should posses general knowledge about operating systems development, and more specific knowledge about NT-based kernels, L4, and Linux. The only problem may be > I am not very experienced in C or assembler programming but am > motivated to learn. But before i start working on that topic i have but that could be compensated by outstanding OS dev skills / architecture knowledge. From the side of ReactOS Development Team, I'm sure you will have support in terms of either visiting the irc-channel #reactos on freenode or asking questions in this mailing list. WBR, Aleksey Bragin. On Oct 10, 2007, at 3:08 PM, Henning Schild wrote: > Hi there, > > i am thinking of porting ros to the L4 micro-kernel as topic for my > diploma thesis. The operating systems group in Dresden already ported > Linux to L4 (http://os.inf.tu-dresden.de/L4/LinuxOnL4/) and proofed > that L4 offers all that is needed to run an operating system in > userspace on top of it. > > The goal of the work would be to be able to run windows applications > next to miro-kernel applications. And to compare the performance with > that of pure ros, L4Linux/wine and windows. A comparison between the > port and L4Linux could also be part of the work. (mapping processes to > L4 tasks, memory management, interrupt-handling and so on) > > I am not very experienced in C or assembler programming but am > motivated to learn. But before i start working on that topic i have > some questions on the portability of ros. > > In svn and on the ros website i found that there is a ppc port of ros. > And on irc someone told me that there is ongoing work on a ros > usermode > port. I also read about a xen port. But i did not yet find working > copies of the any of that ports. I built ros for i386 on my > machine and was able to boot it in vmware. I also tried building the > latest svn version with ROS_ARCH=powerpc but that did not succeed. > > 1. Did anyone ever finish a port to another arch? > 2. How portable is ros in general? Meaning how much code would have to > be changed. I hope there are abstractions and only 10-15% of the > kernel > would have to be changed. > 3. Do you believe that one person new to ros can finish that kind of > work in 6 months? I know that might be hard to answer but how long did > any of you need to learn ros in detail? > 4. If there are working ports, how long did it take to implement > them? > If there are not, what are the reasons they where never finished? I am > thinking of lots of assembler and i386 hacks. > > 5. Finally, what do think of the idea itself? > > I hope you take the time to answer my questions. I am still on the way > to determine whether i really want to do that and whether i can do > this > in 6 months. > > regards, > Henning Schild

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Re: [ros-dev] [Bug 2081] Format.exe can be run while reactos is active!
by James Tabor 10 Oct '07

10 Oct '07

Why was I added to this? Ask first! I can not do it all! B^| James ReactOS.Bugzilla(a)www.reactos.org wrote: > http://www.reactos.org/bugzilla/show_bug.cgi?id=2081 > > > amine48rz <amine48rz(a)gmail.com> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > AssignedTo|ros-bugs(a)reactos.org |jimtabor@adsl-64-217-116- > | |74.dsl.hstntx.swbell.net > > > >

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[Fwd: Re: [Bug 1172] VIA Rhine II net driver doesn't detect miniport]
by James Tabor 09 Oct '07

09 Oct '07

Hi! ReactOS.Bugzilla(a)www.reactos.org wrote: > http://www.reactos.org/bugzilla/show_bug.cgi?id=1172 > ------- Comment #16 From hpoussin 2007-10-08 10:44:44 CET ------- > > The device has been detected by PCI bus, and (as you didn't had any popup for > it), its driver has been found and probably installed. > I fixed a bug in driver installation in r29441, maybe it will help. > If it still doesn't work, can you enable debug output in > dll/win32/setupapi/devinst.c and dll/win32/netcfgx/netcfgx.c? > Okay! Will do! Since the bug report is closed, I guess we can work on the ML. I'll post my tests results. Thanks, James

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Re: [ros-dev] [ros-diffs] [gbrunmar] 29384: Added context menu on right click in treeviews
by Ged 09 Oct '07

09 Oct '07

Have any attempts been made to submit these changes to Wine? local changes will just cause us grief further down the line. Ged. gbrunmar(a)svn.reactos.org wrote: > Author: gbrunmar > Date: Wed Oct 3 23:45:39 2007 > New Revision: 29384 > > URL: http://svn.reactos.org/svn/reactos?rev=29384&view=rev > Log: > Added context menu on right click in treeviews > > Modified: > trunk/reactos/dll/win32/comctl32/comctl32_ros.diff > trunk/reactos/dll/win32/comctl32/treeview.c > > Modified: trunk/reactos/dll/win32/comctl32/comctl32_ros.diff > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/comctl32/comctl3… > ============================================================================== > --- trunk/reactos/dll/win32/comctl32/comctl32_ros.diff (original) > +++ trunk/reactos/dll/win32/comctl32/comctl32_ros.diff Wed Oct 3 23:45:39 2007 > @@ -172,3 +172,26 @@ > if (infoPtr->cdmode & CDRF_NOTIFYPOSTPAINT) > infoPtr->cdmode = > TREEVIEW_SendCustomDrawNotify(infoPtr, CDDS_POSTPAINT, hdc, rect); > +@@ -4160,6 +4158,22 @@ > + static LRESULT > + TREEVIEW_RButtonUp(const TREEVIEW_INFO *infoPtr, const POINT *pPt) > + { > ++ TVHITTESTINFO ht; > ++ > ++ ht.pt = *pPt; > ++ > ++ TREEVIEW_HitTest(infoPtr, &ht); > ++ > ++ if (ht.hItem) > ++ { > ++ /* Change to screen coordinate for WM_CONTEXTMENU */ > ++ ClientToScreen(infoPtr->hwnd, &ht.pt); > ++ > ++ /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */ > ++ SendMessageW(infoPtr->hwnd, WM_CONTEXTMENU, > ++ (WPARAM)infoPtr->hwnd, MAKELPARAM(ht.pt.x, ht.pt.y)); > ++ } > ++ > + return 0; > + } > + > > Modified: trunk/reactos/dll/win32/comctl32/treeview.c > URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/comctl32/treevie… > ============================================================================== > --- trunk/reactos/dll/win32/comctl32/treeview.c (original) > +++ trunk/reactos/dll/win32/comctl32/treeview.c Wed Oct 3 23:45:39 2007 > @@ -4158,6 +4158,22 @@ > static LRESULT > TREEVIEW_RButtonUp(const TREEVIEW_INFO *infoPtr, const POINT *pPt) > { > + TVHITTESTINFO ht; > + > + ht.pt = *pPt; > + > + TREEVIEW_HitTest(infoPtr, &ht); > + > + if (ht.hItem) > + { > + /* Change to screen coordinate for WM_CONTEXTMENU */ > + ClientToScreen(infoPtr->hwnd, &ht.pt); > + > + /* Send a WM_CONTEXTMENU message in response to the RBUTTONUP */ > + SendMessageW(infoPtr->hwnd, WM_CONTEXTMENU, > + (WPARAM)infoPtr->hwnd, MAKELPARAM(ht.pt.x, ht.pt.y)); > + } > + > return 0; > } > > > > >

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Re: [ros-dev] [ros-diffs] [gedmurphy] 29469: add wine's wordpad asthe default
by Aleksey Bragin 09 Oct '07

09 Oct '07

Ok, that's good then, no need to delete it. But moving to rosapps may be a not bad idea (still including into the build). WBR, Aleksey Bragin. On Oct 9, 2007, at 3:50 PM, Ged wrote: > Aleksey Bragin wrote: >> Is there a reason to keep the wordpad we have? Is it better, >> worse, differences mergeable, etc? > > Our wordpad code is a great framework to build a much better, MDI > implementation of Wordpad. > > I added it in the hope that any potential 'would-be' developers > could use it > as a learning project into the world of Win32. As it is no one has > yet taken > it up, which is a bit of shame. > > It can be taken out of the build and even moved to ros-apps, but it > would be > a shame to delete it completley, as someone might one day take up the > challenge. > > Ged.

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Re: [ros-dev] [ros-diffs] [gedmurphy] 29469: add wine's wordpad as the default
by Aleksey Bragin 09 Oct '07

09 Oct '07

Is there a reason to keep the wordpad we have? Is it better, worse, differences mergeable, etc? WBR, Aleksey Bragin. On Oct 9, 2007, at 1:00 PM, gedmurphy(a)svn.reactos.org wrote: > Author: gedmurphy > Date: Tue Oct 9 13:00:56 2007 > New Revision: 29469 > > URL: http://svn.reactos.org/svn/reactos?rev=29469&view=rev > Log: > add wine's wordpad as the default

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