Re: 2.7 thoughts: common well-architected object model

[Kenn Humborg]

On Sat, Oct 11, 2003 at 11:34:05AM -0700, asdfd esadd wrote:
> There is a connex, fork() might be a bad example,
> 
> it's simple - yes but 20 years have passed as Solaris
> is finding:
> 
> pid_t fork(void); vs. 
> 
> the next step in the evolution CreateProcess

CreateProcess() did _not_ evolve from fork().  There is no fork() 
equivalent in the Windows world.  If anything it came more from 
$CREPRC in VMS.

> BOOL CreateProcess(
>   LPCTSTR lpApplicationName,
>   LPTSTR lpCommandLine,
>   LPSECURITY_ATTRIBUTES lpProcessAttributes,
>   LPSECURITY_ATTRIBUTES lpThreadAttributes,
>   BOOL bInheritHandles,
>   DWORD dwCreationFlags,
>   LPVOID lpEnvironment,
>   LPCTSTR lpCurrentDirectory,
>   LPSTARTUPINFO lpStartupInfo,
>   LPPROCESS_INFORMATION lpProcessInformation
> 
> evolved to .Net Process Class

"evolved to" is the wrong term - "wrapped by" is more accurate

> System.Object
>    System.MarshalByRefObject
>       System.ComponentModel.Component
>          System.Diagnostics.Process

... which is a _user-land_ wrapper around CreateProcess.

> So let me restate the need again for a:
> 
> * unified well architected core component model
> which is extensible from OS services to application
> objects

Which is a job for userland, in my opinion.

> * the object model should be defined from the kernel
> layer for process/events/devices etc. up and not
> started at the application layer

I still don't see why this needs to be in the kernel.
Give a concrete example of something that cannot be done
with the existing syscall interface and user-mode wrappers.
Or something significant that can be done easier with what
you are asking for.

Of course, your name "asdfd esadd" does look a bit troll-like...

Later,
Kenn

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