[Python-Dev] What is the purpose of the _PyThreadState_Current symbol in Python 3? (original) (raw)
Nathaniel Smith njs at pobox.com
Sat Sep 29 06:00:27 EDT 2018
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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 PyInterpreterStateHead). 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...
-n
-- Nathaniel J. Smith -- https://vorpus.org
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