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From "Sean Qiu" <sean.xx....@gmail.com>
Subject Re: [JDKTools][JDWP] Shared memory transport (was: Let's start JDWP java6 updating)
Date Fri, 14 Mar 2008 03:20:59 GMT
Good news  :)

2008/3/13, Alexei Fedotov <alexei.fedotov@gmail.com>:
> Oliver,
>  That is great! BTW, which API are you using for shared memory access?
>  Is it a part of the portlib?
>
>  Thanks!
>
>
>  On Thu, Mar 13, 2008 at 3:51 PM, Oliver Deakin
>  <oliver.deakin@googlemail.com> wrote:
>  > Hi Jimmy/Alexei,
>  >
>  >  Im starting to look at implementing shared memory transport for jdwp.
>  >  It's very early days at the moment, but I have been able to open the
>  >  shared memory space (created by the RI running as server) and read some
>  >  data from it. I have also been able to mirror this behaviour, with
>  >  Harmony running in server mode. I will start to check in some changes
>  >  soon, initially for the build system to start building dt_shmem.dll on
>  >  Windows. After that I will start checking in some of my code and add
>  >  some changes to the jpda test setup so it can run the tests in shared
>  >  memory mode.
>  >
>  >  Regards,
>  >  Oliver
>  >
>  >  Jimmy,Jing Lv wrote:
>  >  > Hi,
>  >  >
>  >  > 2008/2/22, Alexei Fedotov <alexei.fedotov@gmail.com>:
>  >  >
>  >  >> Jimmy,
>  >  >>
>  >  >>  I fully support your idea, but cannot follow the discussion fully. The
>  >  >>  old thread mostly discussed a shared memory protocol, didn't it? This
>  >  >>  thread no longer mentions a shared memory, but discusses an API update
>  >  >>  instead. May be all these things are parts of the whole picture, but
>  >  >>  the picture slips out of my mind. I would suggest being merciful to
my
>  >  >>  google-weakened brain and write some justifications of the decision
>  >  >>  taken.
>  >  >>
>  >  >>
>  >  >
>  >  >      Yes, I never forget shared memory, but it seems we need more
>  >  > information of that (according to the conclusion of last discussion).
>  >  > However java6 updating is easier to work on and we've got all
>  >  > information on java spec, as a result, IMO, we'd better start from the
>  >  > easy beginning, and leave hard work alone until we find some other way
>  >  > to resolve it, do you think so? :)   (Maybe someone already has a plan
>  >  > on it :)
>  >  >       BTW, as today is friday, have a nice weekend :)
>  >  >
>  >  >
>  >  >>  For example, I believe Mikhail L. justification: "I don't think that
>  >  >>  time and efforts are an issue. The time flies when you are having fun
>  >  >>  :)" is quite explanatory. Or you may come up with something more
>  >  >>  rational.
>  >  >>
>  >  >>  Thanks.
>  >  >>
>  >  >>
>  >  >>  On Fri, Feb 22, 2008 at 6:30 AM, Jimmy,Jing Lv <firepure@gmail.com>
wrote:
>  >  >>  > Hi All,
>  >  >>  >
>  >  >>  >      As discussed before, we can start JDWP updating and improving.
>  >  >>  >  IMHO, let's start from the easiest way, updating to java 6.
>  >  >>  >      My proposal is:
>  >  >>  >  1. Setup a branch of JDKTools for java6 in harmony repository
>  >  >>  >  2. add/improve JDWP functions into java6 level. As the main updating
>  >  >>  >  for java6 JDWP is about JDWP-protocol, it seems no much effect
on VM
>  >  >>  >  and debugger.
>  >  >>  >
>  >  >>  >      As M5 freeze will be done at the end of this week,  may start
>  >  >>  >  from next week on.  Any comments/suggestions/Volunteers? Thanks!
>  >  >>  >
>  >  >>  >  --
>  >  >>  >
>  >  >>  >  Best Regards!
>  >  >>  >
>  >  >>  >  Jimmy, Jing Lv
>  >  >>  >  China Software Development Lab, IBM
>  >  >>  >
>  >  >>
>  >  >>
>  >  >>
>  >  >>
>  >  >> --
>  >  >>  With best regards,
>  >  >>
>  >  >> Alexei
>  >  >>
>  >  >>
>  >  >
>  >  >
>  >  >
>  >
>  >  --
>  >  Oliver Deakin
>  >  Unless stated otherwise above:
>  >  IBM United Kingdom Limited - Registered in England and Wales with number 741598.
>  >  Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
>  >
>  >
>
>
>
>
> --
>  With best regards,
>
> Alexei
>


-- 
Sean, Xiao Xia Qiu
China Software Development Lab, IBM

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