[Mono-dev] [PATCH] Use correct console code page on Windows (affects Linux as well)

Zoltan Varga vargaz at gmail.com
Thu Jul 27 12:50:42 EDT 2006


  I think this can be solved by moving the windows specific code to a separate
method, marking it with [MethodImplAttribute (MethodImplOptions.NoInlining)]
and calling it from inside the if (OnWindows) block. That way, the pinvoke
lookups would not be executed on linux.


On 7/27/06, Kornél Pál <kornelpal at gmail.com> wrote:
> Hi,
> I recently posted this patch:
> http://lists.ximian.com/pipermail/mono-devel-list/2006-July/019433.html
> But I received no comments and didn't think that this can cause problems on
> other OSes so I commited it:
> http://lists.ximian.com/pipermail/mono-patches/2006-July/077941.html
> This was later reverted by Miguel because he pointed out that this causes
> problems on non-Windows operating systems:
> >    There is already a process to fetch the proper encoding in the file,
> >and you added a new setup.   And to make things worse, considering the
> >inliner can decide to inline, this means that on Linux, we get an extra
> >hit for looking up kernel32.dll every time.
> >
> >    If this is required, discuss this on the list.
> >
> >open("/mono/lib/mono/1.0/advapi32.dll", O_RDONLY|O_LARGEFILE) = -1
> >ENOENT (No such file or directory)
> >open("/mono/lib/mono/1.0/kernel32.dll", O_RDONLY|O_LARGEFILE) = -1
> >ENOENT (No such file or directory)
> >open("/mono/lib/mono/1.0/ole32.dll", O_RDONLY|O_LARGEFILE) = -1 ENOENT
> >(No such file or directory)
> As for advapi32.dll and ole32.dll I don't think that these hints are caused
> by my modifications.
> Windows uses different code pages (DOS code pages) for console than for GUI
> applications (that is Encoding.Default) so this patch (or something
> functionally equivalent) is required.
> This initialization is done only once (in static constructor) so I don't
> think that it's worth to use ConsoleDriver in NET_1_1 as well.
> Please help to solve this problem occurring on Linux.
> Kornél
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