Re: [Plplot-devel] Error report system plus thread safety

[Alan W. I. <ir...@be...>]

On 2016-02-24 10:33-0000 Phil Rosenberg wrote:

> Hi Alan
> I've cut and pasted some bits together of your last couple of emails
>
>
>
>> However, isn't being forced to use separate threads in order to
>> (automatically) have separate PLplot contexts for each thread a
>> relatively minor inconvenience compared to the very much larger user
>> inconvenience required by adding a context address to most API calls?
>>
> Not necessarily. This may force someone to restructure their code as
> they would have to have separate contexts in separate functions and
> may actually generate race conditions that people will need to deal
> with using mutexes.

Without introducing backwards incompatibilities in our entire API we
could certainly add a getter, plgcontext and setter, plscontext, for
PLplotContextAddress to our API similarly to the way that plgstrm and
plsstrm work now.

Alan
__________________________
Alan W. Irwin

Astronomical research affiliation with Department of Physics and Astronomy,
University of Victoria (astrowww.phys.uvic.ca).

Programming affiliations with the FreeEOS equation-of-state
implementation for stellar interiors (freeeos.sf.net); the Time
Ephemerides project (timeephem.sf.net); PLplot scientific plotting
software package (plplot.sf.net); the libLASi project
(unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
and the Linux Brochure Project (lbproject.sf.net).
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Linux-powered Science
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