[FreeVMS] Question

[BERTRAND Joël]

BERTRAND Joël a écrit :
> Johann 'Myrkraverk' Oskarsson a écrit :
>> Hi,
>>
>> On Sun, Jun 23, 2013 at 6:33 PM, Renee<rmctwo at gmail.com> wrote:
>>> Posix? Why write posix at all?
>>> Renee
>>
>> Posix is an important part of any server environment today; at least
>> the C RTL parts of it. It's better to think about it from the start
>> rather than try to wedge it on the system after the fact.
>>
>>> -----Original Message-----
>>> From: FreeVMS [mailto:freevms-bounces at rayleigh.systella.fr] On Behalf Of
>>> BERTRAND Joël
>>
>>> DCL will be written when we'll have a running kernel. There are a
>>> lot of stuff to do before starting DCL.
>>
>> True.
>>
>>> If you want to start to write some userland code (not kernel,
>>> executive or system ones), in a first time you have to implemant
>>> sources/userland/rtl and sources/userland/starlet to obtain a VMS API
>>> or to
>>> port newlib on FreeVMS to obtain a real POSIX layer. But to write
>>> STARLET/LIB$ or port newlib, we have to define some SYSCALLs. Today,
>>> only
>>> SYSCALL$PRINT, SYSCALL$EXIT_VALUE and SYSCALL$KILL_THREAD have been
>>> written
>>> (sys/sys_loop.c).
>>
>> What exactly is newlib?
>>
>> It's not my call, but I would build the kernel to provide both VMS and
>> Posix system calls, similar what's been done in Haiku where they
>> implement both BeOS and a subset of Posix system calls.
>
> Newlib is a POSIX libc that only uses a few syscalls.

	Sorry, I have forgotten to add its url :

	http://sourceware.org/newlib/

	JKB