Are you saying you have some form of close source implementation or just not up on the whole open source aspect?
Eric On Tue, Aug 26, 2008 at 2:46 PM, Dmitry Grinberg <[EMAIL PROTECTED]> wrote: > If it wasn't for the open-source requirement i'd be able to help with > threading. > > ---- > Best Regards, > Dmitry Grinberg > (847) 226 9295 > > > > On Mon, Aug 25, 2008 at 7:20 PM, Eric Bresie <[EMAIL PROTECTED]> wrote: >> I am involved with a port of phone ME Advanced for Palm (JavaME) which >> has some threading requirements. The port I am working from is based >> on a linux-arm port which has some threading requirements. I suspect >> the garbage collection of java is the main cause of the threading >> requirement, but have not gotten very far yet. >> >> In the end, I would anticipate a java virtual machine instance being >> the active application which handles the "multitasking" for any >> started JavaME applications. >> >> If anyone is interested, check out the on going story at: >> >> http://forums.java.net/jive/message.jspa?messageID=281504 >> >> Eric >> >> On Mon, Aug 25, 2008 at 8:05 PM, Jeff Loucks <[EMAIL PROTECTED]> wrote: >>> I have a user space threading package I've used behind the scenes in >>> products on PalmOS, but as Dmitry says, scheduling can be problematic, >>> and threads must be cooperative, since PalmOS is not reentrant from >>> user space. What were you hoping to accomplish with pth? >>> >>> On Mon, Aug 25, 2008 at 5:22 PM, Dmitry Grinberg <[EMAIL PROTECTED]> wrote: >>>> 1. user space threads might be problematic, since you cannot easily >>>> get periodic interrupts >>>> 2. palmos kernel support native multithreadinhg (my app DynaClock >>>> makes heavy use of this capability by running two threads in the >>>> background at all times) >>>> >>>> >>>> ---- >>>> Best Regards, >>>> Dmitry Grinberg >>>> (847) 226 9295 >>>> >>>> >>>> >>>> On Mon, Aug 25, 2008 at 4:58 PM, Eric Bresie <[EMAIL PROTECTED]> wrote: >>>>> pth implements user space thread capabilities. It provides pthread >>>>> compatability so if implemented, it could be useful for further >>>>> porting opportunities. It works better when you have some built in >>>>> threading capabilities, but it implements thread making use of setjmp >>>>> and longjmp. It can make use of some content related capabilities >>>>> that I don't believe exist presently in Palm. >>>>> >>>>> Eric Bresie >>>>> [EMAIL PROTECTED] >>>>> >>>>> On Mon, Aug 25, 2008 at 1:04 PM, Dmitry Grinberg <[EMAIL PROTECTED]> >>>>> wrote: >>>>>> last i checked pthreads use the system's native threads, which is a >>>>>> big stopper for you since PalmOS's threading mechanism is not public >>>>>> and completely well known to maybe 3 or 4 people outside of Palm Inc >>>>>> >>>>>> That is to say: "good luck" >>>>>> >>>>>> ---- >>>>>> Best Regards, >>>>>> Dmitry Grinberg >>>>>> (847) 226 9295 >>>>>> >>>>>> >>>>>> >>>>>> On Mon, Aug 25, 2008 at 10:47 AM, Eric Bresie <[EMAIL PROTECTED]> wrote: >>>>>>> Hey guys, >>>>>>> >>>>>>> I was curious if any of you would be interested in helping to get Gnu >>>>>>> pth (pthread) ported to work with Palm OS. >>>>>>> >>>>>>> See http://www.gnu.org/software/pth >>>>>>> >>>>>>> Any help would be welcome. >>>>>>> >>>>>>> I have gotten as far as executing the >>>>>>> >>>>>>> CC=m68k-palmos-gcc CPPFLAGS="-I/usr/m68k-palmos/include -nostartfiles " >>>>>>> LIBS=-L=/usr/m68k-palmos/lib ./configure --target=m68k-palmos >>>>>>> -prefix=/src/threads/pth/pth-2.0.7/build --enable-pthread >>>>>>> --with-mctx-mth=sjlj --with-mctx-dsp=sjlje --with-mctx-stk=none >>>>>>> >>>>>>> which gets me close, but still was hoping someone with a little more >>>>>>> Palm development experience could lend a hand. >>>>>>> >>>>>>> I think my problems are mainly due to trying to build libraries for a >>>>>>> Unix type environment. Who is the best way to change it into a .prc >>>>>>> library? >>>>>>> >>>>>>> Any additional suggestions would be appreciated. >>>>>>> >>>>>>> Eric > > -- > For information on using the ACCESS Developer Forums, or to unsubscribe, > please see http://www.access-company.com/developers/forums/ > -- Eric Bresie [EMAIL PROTECTED] -- For information on using the ACCESS Developer Forums, or to unsubscribe, please see http://www.access-company.com/developers/forums/
