[Python-Dev] What is the purpose of the _PyThreadState_Current symbol in Python 3?

Nathaniel Smith njs at pobox.com
Sat Sep 29 06:00:27 EDT 2018

On Fri, Sep 28, 2018 at 3:29 PM, Gabriele <phoenix1987 at gmail.com> wrote:
> On Fri, 28 Sep 2018 at 23:12, Nathaniel Smith <njs at pobox.com> wrote:
>> What information do you wish the interpreter provided, that would make your program simpler and more reliable?
> An exported global variable that points to the head of the
> PyInterpreterState linked list (i.e. the return value of
> PyInterpreterState_Head). This way my program could just look this up
> from the dynsym section instead of scanning a dump of the bss section
> in memory to find a possible candidate.

Hmm, it looks like in 3.7+, _PyRuntime is marked PyAPI_DATA, which I
think should make it exported from dynsym?


And PyInterpreterState_Head is just _PyRuntime.interpreters.head. So
maybe this is already done...


Nathaniel J. Smith -- https://vorpus.org

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