Re: Gsoc 2018 Posix Compliance and Introduction

[Joel Sherrill <joel at rtems dot org>]

On Thu, May 3, 2018, 11:44 AM Aditya Upadhyay <aadit0402@gmail.com> wrote:

> On Thu, May 3, 2018 at 2:58 AM, Salil Sirotia <salil.sirotia@gmail.com>
> wrote:
> >   Hello Users
> >>
> >> This is Salil Sirotia, an M.Tech Scholar from IIT(ISM) Dhanbad. I
> applied
> >> for GSOC 2018 and got selected. My project is POSIX Compliance where I
> >> have
> >> to implement some libraries, methods and port the code to Newlib-Cygwin.
> >>
> >> POSIX stands for Portable Operating System Interface for uni-X. Posix
> >> Compliance allows us to port the source code that is running on one
> >> machine
> >> , can be run on another machine. This Project deals with the
> >> implementation
> >> of the subset of functions that are defined in POSIX 1003_1 standard,
> Due
> >> to physical resource constraints, some real-time systems like the small
> >> embedded system needs a limited set of operating system functionality.
> For
> >> these type of systems, it is necessary that the standard allow the
> >> implementation to support only a particular subset of POSIX functions.
> >> POSIX profiles defined in FACE Technical Standards, designed for
> avionics
> >> system verses POSIX in RTEMS where some functions are missing. These
> >> missing function need to be implemented. For the same I will use
> FreeBSD,
> >> NetBSD, POSIX 1003_1 as a refrence and IEEE std 1003.1 TM 2008.
> >> I will add the support of mentioned library in my Proposal to newlib as
> a
> >> part of GSOC-2018.
> >>
> >> This summer I will be accomplishing these task what I have mentioned in
> my
> >> Proposal
> >>
> >
> > This is one of my pet projects and I look forward to you making great
> > progress.
> >
> >>What do you plan to do first?
> >
> > Hello joel
> >
> >  I will definitely make great progress and will try to contribute to this
> > community as long as possible. Porting memcpy method for sparc to newlib
> is
> > my first priority and I have done some reasearch on that. I got the third
> > party sources for memcpy method. Once the code for memcpy will be
> reviewed
> > and pushed to newlib-cygwin repo. I will manually add the patch to RSB
> and
> > will work on test suite of memcpy in RTEMS 5.
> >
>
> Great. I would look forward to seeing a patch from you of memcpy
> method to newlib.
>  Did you find any third party sources for porting this method to newlib?
>

The ticket for this should include instructions and a link to the Open
Solaris (aka Illumos) implementation. The newlib maintainer told me
privately that the license was ok but needed to be added to the COPYING
file at the top of the tree.

>