Let's imagine we are in jshell, thus 1 session has been created already. Then 1. if we launch jBasic that calls .py there will be still 1 session (i.e. the same one) 2. if we launch python that calls .py the second session will be created
in both cases the same C extension with jbase_getdpEX inside is used среда, 25 марта 2020 г., 19:28:17 UTC пользователь pfalson написал: > Still not entirely sure why though. If python is the starting point and > you get a dp from jbase_getdpEX (you cant avoid at least one session) you > could pass the dp down the chain. > > Sent from my iPhone > > On Mar 25, 2020, at 10:15 AM, Igor Osmolovskiy <[email protected] > <javascript:>> wrote: > > > Right. If a jBASE routine is the starting point - no new session is > created. > > But if python is the starting point then looks like we cannot avoid an > additional session > > среда, 25 марта 2020 г., 14:25:33 UTC пользователь pfalson написал: > >> Not following. If your starting point is jsh or LOGTO or a jBASE program >> you should be able to call a python routine and convert the dp to a pylong >> and pass it down for reuse. >> >> Sent from my iPhone >> >> On Mar 25, 2020, at 7:14 AM, Igor Osmolovskiy <[email protected]> wrote: >> >> >> Thanks Peter for your help >> >> Coming back to the initial question whether a DP could be initialized >> without a new session - looks like it is not possible. >> When we compile and catalog a JBC routine then a dll will be placed into >> bin. And when that JBC routine is called then it is actually called as a >> dll rather than executable (which can be removed even). So the same address >> space is used. >> On the contrary when we call python then it is always a separate >> executable with its own address space.. >> >> вторник, 10 марта 2020 г., 19:03:45 UTC пользователь pfalson написал: >> >>> https://github.com/pickmultivalue/jPython >>> >>> On Tue, Mar 10, 2020 at 7:11 AM Igor Osmolovskiy <[email protected]> >>> wrote: >>> >>>> Would be interesting to have a look >>>> Thanks! >>>> >>>> понедельник, 9 марта 2020 г., 19:31:07 UTC+1 пользователь pfalson >>>> написал: >>>>> >>>>> Your only choices are start from jsh/jbc call python, call jbc etc or >>>>> start with python call jbc. >>>>> >>>>> Either way the dp needs to be carried around. >>>>> >>>>> I can post an example of calling python (it needs jBASE 5). >>>>> >>>>> Sent from my iPhone >>>>> >>>>> On Mar 9, 2020, at 10:36 AM, Igor Osmolovskiy <[email protected]> >>>>> wrote: >>>>> >>>>> >>>>> Hello Dan >>>>> Right, but is there a possibility to avoid creating a new thread? >>>>> One option proposed by Peter is to launch Pyhton from JBC e.g. But any >>>>> chance to achieve this for pure Pyhton? >>>>> >>>>> понедельник, 9 марта 2020 г., 15:27:22 UTC+1 пользователь DanE написал: >>>>>> >>>>>> That would be because the jsh initiated the thread and the program >>>>>> running under it is a shared object /dll beneath that thread. >>>>>> >>>>>> >>>>>> >>>>>> Dan Ell | jBASE Technical Engineer >>>>>> jBASE International, Inc. >>>>>> *813-498-2544* | 866‑582‑8447 >>>>>> *[email protected]* | www.jbase.com >>>>>> 1050 Calle Amanecer, Suite A | San Clemente, CA 92673 >>>>>> *From:* [email protected] <[email protected]> *On Behalf >>>>>> Of *Igor Osmolovskiy >>>>>> *Sent:* Monday, March 9, 2020 6:10 AM >>>>>> *To:* jBASE <[email protected]> >>>>>> *Subject:* Re: Getting the jBase DP (data pointer) of the current >>>>>> session when using pure C >>>>>> >>>>>> >>>>>> >>>>>> Thank you Peter >>>>>> >>>>>> >>>>>> >>>>>> But do you think it is still possible to retrieve a DP for an >>>>>> existing session? >>>>>> >>>>>> It can be seen that no new session is created when a JBC program is >>>>>> being called in jshell e.g. Therefore a DP initialization is happening >>>>>> somehow for that case >>>>>> >>>>>> Thanks >>>>>> >>>>>> >>>>>> суббота, 7 марта 2020 г., 1:13:48 UTC+1 пользователь pfalson написал: >>>>>> >>>>>> That creates a regular jBASE session dp. The null args are more for >>>>>> internal use. >>>>>> >>>>>> Sent from my iPhone >>>>>> >>>>>> > On Mar 6, 2020, at 2:56 PM, Igor Osmolovskiy <[email protected]> >>>>>> wrote: >>>>>> > >>>>>> > Peter, thanks for the code sample >>>>>> > >>>>>> > Could you please elaborate on what exactly the next line means >>>>>> > jbase_getdpEX(NULL,NULL,1,NULL) >>>>>> > >>>>>> > Thanks >>>>>> > Igor >>>>>> > >>>>>> > -- >>>>>> > -- >>>>>> > IMPORTANT: T24/Globus posts are no longer accepted on this forum. >>>>>> > >>>>>> > To post, send email to [email protected] >>>>>> > To unsubscribe, send email to [email protected] >>>>>> > For more options, visit this group at >>>>>> http://groups.google.com/group/jBASE?hl=en >>>>>> 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<https://groups.google.com/d/msgid/jbase/4d5408e1-e74e-4985-969e-c3b8d3cc3499%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >> -- >> IMPORTANT: T24/Globus posts are no longer accepted on this forum. >> >> To post, send email to [email protected] >> To unsubscribe, send email to [email protected] >> For more options, visit this group at >> http://groups.google.com/group/jBASE?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "jBASE" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/jbase/4cbd40b0-1cdd-4908-a7c0-3e0ab550adf1%40googlegroups.com >> >> <https://groups.google.com/d/msgid/jbase/4cbd40b0-1cdd-4908-a7c0-3e0ab550adf1%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> -- > -- > IMPORTANT: T24/Globus posts are no longer accepted on this forum. > > To 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