Ros-dev

ros-dev@reactos.org

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5793 discussions

My ReactOS PR Efforts
by Alex Ionescu 06 Feb '07

06 Feb '07

Hi all, I just wanted to keep you update of the various ReactOS presentations, lectures and exhibitions that I will be part of to help push ReactOS out to more people. Three weeks ago I was at CUSEC, where I demoed ReactOS in front of about 60 people, all software engineering students, mostly. They were very impressed and I exchanged contact information with 5-6 of them, who hope to join development eventually (probably this summer). On Friday, I'm flying over to LA at SCALE 5x (South California Linux Expo 2007) where Arty will be exhibiting ReactOS and I will be a speaker to give a lecture on ReactOS and Open Source involvement. A couple of weeks later, on the 27th, I'm flying over to University of Waterloo to meet the students in their CS club and other interested students in Software Engineering/CS to talk about ReactOS, my work, and also on using ReactOS as an educational tool, possibly to replace their current NachOS-based curriculum. In April, on the 11th, I will be flying to Porto Alegre in Brezil, at the 8th International Free Software Forum, where I will be a lecturer. Again, I will talk about ReactOS -- although I haven't found a specific topic yet, since I don't want to re-hash the SOCAL presentation. I have also been invited to demo ReactOS at a DemoCamp in all of Montreal, as far as I remember this date is in April as well. The other date I am aware of is FOSSCON 2007, which will be on the 22nd of September in San Diego (IIRC). Again, I will probably present about ReactOS -- definite topic to be determined. I have also mentionned ReactOS profusely in some personal interviews which will appear in some Montreal and even worldwide newspapers, as well as various online sources such as Slyck. My blog entry has recently motivated a donor to donate 1000$ US to the foundation; I am working with him to arrange a proper receipt. I hope that throughout the year, I'll be able to announce more events. -- Best regards, Alex Ionescu Project Lead, TinyKRNL Kernel-Mode Software Design Engineer, ReactOS

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Re: [ros-dev] [ros-diffs] [tkreuzer] 25726: Make LoadCursorIconImage() find shared icons, even if they don't have the desired width/height. Now expl orer doesn't leak icons / bitmaps anymore. fixes bug 1554 See issue #1554 for more details.
by Murphy, Ged (Bolton) 05 Feb '07

05 Feb '07

tkreuzer(a)svn.reactos.org wrote: > + FreeResource(hResource); FreeResource is deprecated

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Wmi declarations in wmilib stub
by Felipe Villarroel 04 Feb '07

04 Feb '07

>From winddk.h: #define NTKERNELAPI DECLSPEC_IMPORT NTKERNELAPI NTSTATUS NTAPI WmiCompleteRequest( IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp, IN NTSTATUS Status, IN ULONG BufferUsed, IN CCHAR PriorityBoost); In wmilib.c: NTSTATUS NTAPI WmiCompleteRequest(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp, IN NTSTATUS Status, IN ULONG BufferUsed, IN CCHAR PriorityBoost) winddk.h should be modified? This difference (in the three functions) breaks build (also the windows ddk define this as NTSTATUS only). (If i redefine the functions in wmilib.c i get a strange bug in gcc: [CC] drivers\wmi\wmilib.c drivers\wmi\wmilib.c: In function 'WmiSystemControl': drivers\wmi\wmilib.c:62: internal compiler error: in rest_of_handle_final, at final.c:3942 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. mingw32-make: *** [obj-i386\drivers\wmi\wmilib.o] Error 1 Best regards, Logan_V8

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Security problem in NtGdiCreateCompatibleDC?
by Timo Kreuzer 03 Feb '07

03 Feb '07

Please have a look at that code: NtGdiCreateCompatibleDC @ 192: ... hNewDC = DC_AllocDC <http://www.reactos.org/generated/doxygen/de/dcc/dc_8h.html#a12>(&OrigDC->DriverName <http://www.reactos.org/generated/doxygen/d9/de9/struct__DC.html#o8>); if (NULL == hNewDC) { DC_UnlockDc(OrigDC); if (NULL != DisplayDC) { NtGdiDeleteObjectApp <http://www.reactos.org/generated/doxygen/d7/de8/subsystems_2win32_2win32k_2…>(DisplayDC); } return NULL; } NewDC = DC_LockDc( hNewDC ); ... I am not completely sure (GreatLord said it was fine) but i think it might not be. Let's think of a condition when process x, thread 0 does try call NtGdiCreateCompatibleDC and Allocates the DC. Wouldn't there be the chance of thread 1 to get a lock on the DC (by guessing it's handle) just after it was created and make DC_LockDC return NULL? GDIOBJ_LockObj checks if the ProcessID is the same as PsGetCurrentProcessId() , but not more. So I think a second thread might do a timed attack and get a lock on the just created DC.

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problems building with gcc 4.1.2 (RosBE 0.3.4)
by Felipe Villarroel 03 Feb '07

03 Feb '07

Hi, today i tried to compile ReactOS with gcc 4.1.2 under RosBE 0.3.4 (previously i used both gcc 3.4.5 and gcc 4.1.2, with a previous svn revision). Before trying to switch compilers i have successfully built an iso image with gcc 3.4.5. So, i issued a make clean in the gcc 3.4.5 enviroment. Then i changed to gcc 4.1.2 and issued a make bootcd (with current SVN). In the building process i got this error message: [CC] lib\intrlck\i386\compareexchange.c [AR] obj-i386\lib\intrlck\intrlck.a [LD] output-i386\dll\ntdll\ntdll.dll [RSYM] output-i386\dll\ntdll\ntdll.dll [LD] output-i386\dll\win32\kernel32\kernel32.dll obj-i386\dll\win32\kernel32\misc\dllmain.o: In function `InterlockedCompareExchange@12': d:/reactos/current/include/psdk/intrin.h:110: undefined reference to `__sync_val_compare_and_swap_4' obj-i386\dll\win32\kernel32\misc\dllmain.o: In function `InterlockedIncrement@4': d:/reactos/current/include/psdk/intrin.h:139: undefined reference to `__sync_fetch_and_add_4' obj-i386\dll\win32\kernel32\misc\dllmain.o: In function `InterlockedDecrement@4': d:/reactos/current/include/psdk/intrin.h:139: undefined reference to `__sync_fetch_and_add_4' obj-i386\dll\win32\kernel32\misc\dllmain.o: In function `InterlockedExchangeAdd@8': d:/reactos/current/include/psdk/intrin.h:139: undefined reference to `__sync_fetch_and_add_4' collect2: ld returned 1 exit status mingw32-make: *** [output-i386\dll\win32\kernel32\kernel32.dll] Error 1 I'm using ReactOS Build Environment 0.3.4-4.1.2-20061229-prerelease-patched. Probably i could comment the gcc version checking in intrin.h to get this to compile, but that isn't nice/right :P. As far as i know __sync_* functions are supplied by the compiler and they should be present in gcc 4.1.2. Is this right? Anyone got an idea why this doesn't work? Thanks in advance for your help, Best regards, Logan_V8 d:\reactos\current>echo __GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__ > p.txt d:\reactos\current>cpp < p.txt cc1.exe: warning: is shorter than expected # 1 "<stdin>" # 1 "<built-in>" # 1 "<command line>" # 1 "<stdin>" 4 * 10000 + 1 * 100 + 2

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Re: [ros-dev] [ros-diffs] [fireball] 25667: - Comment out clearing of KeLoaderBlock (introduced by 25629), because it looks like someone is still calling IopLoadServiceModule() even after that point. 2nd stage boots with this change.
by Alex Ionescu 01 Feb '07

01 Feb '07

fireball(a)svn.reactos.org wrote: > Author: fireball > Date: Thu Feb 1 01:30:59 2007 > New Revision: 25667 > > URL: http://svn.reactos.org/svn/reactos?rev=25667&view=rev > Log: > - Comment out clearing of KeLoaderBlock (introduced by 25629), because it looks like someone is still calling IopLoadServiceModule() even after that point. 2nd stage boots with this change. > This does not fix the freeze/slowdown/issue I am seeing with the NT scheduler disabled. I still can't boot to desktop. -- Best regards, Alex Ionescu Project Lead, TinyKRNL Kernel-Mode Software Design Engineer, ReactOS

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01 Feb '07

fireball(a)svn.reactos.org wrote: > Author: fireball > Date: Thu Feb 1 01:30:59 2007 > New Revision: 25667 > > URL: http://svn.reactos.org/svn/reactos?rev=25667&view=rev > Log: > - Comment out clearing of KeLoaderBlock (introduced by 25629), because it looks like someone is still calling IopLoadServiceModule() even after that point. 2nd stage boots with this change. > > I still get a hang after pressing "Next" on the last 2nd stage setup wizard page. -- Best regards, Alex Ionescu Project Lead, TinyKRNL Kernel-Mode Software Design Engineer, ReactOS

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How it went: running Burn under ReactOS
by Alexander Rødseth 01 Feb '07

01 Feb '07

Hi, A few weeks ago, I received an e-mail asking me to test Burn, my old drawing-program for Dos, on ReactOS. However, I've lost that e-mail somehow, so I'm hoping this mailinglist is the right place to send my reply, as a substitute. The original e-mail was from someone affiliated with ReactOS. I used ReactOS 0.3-RELEASE (Build 20060827-r23747), running under Qemu. A screenshot of how it went is included. ("Bad command or filename", even though the command was valid). Burn works perfectly well under DosBox. Hope this was of any help whatsoever, and thanks for your contributions to the world of open source. Best regards, Alexander Rødseth

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Crash on exit
by hto＠mail.cnt.ru 01 Feb '07

01 Feb '07

> Can't really fix this, this is a side effect of > the fact that NT checks that the initial boot > process didn't die, and the fact that our setup > code actually replaces the initial process. It can be fixed on process level, not on the kernel level.

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LiveCD and 0.3.1
by Alex Ionescu 01 Feb '07

01 Feb '07

This should go in the branch: http://www.reactos.org/bugzilla/attachment.cgi?id=1125&action=view -- Best regards, Alex Ionescu Project Lead, TinyKRNL Kernel-Mode Software Design Engineer, ReactOS

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