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bpo-40513: Per-interpreter GIL (GH-19943)

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In the experimental isolated subinterpreters build mode, the GIL is
now per-interpreter.

Move gil from _PyRuntimeState.ceval to PyInterpreterState.ceval.

new_interpreter() always get the config from the main interpreter.
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Victor Stinner 2020-05-05 20:27:47 +02:00 • committed by GitHub
parent 0dd5e7a718
commit 7be4e350aa
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6 changed files with 82 additions and 5 deletions
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6
Python/pylifecycle.c
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@ -1561,9 +1561,13 @@ new_interpreter(PyThreadState **tstate_p, int isolated_subinterpreter)
/* Copy the current interpreter config into the new interpreter */
const PyConfig *config;
#ifndef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
if (save_tstate != NULL) {
config = _PyInterpreterState_GetConfig(save_tstate->interp);
} else {
}
else
#endif
{
/* No current thread state, copy from the main interpreter */
PyInterpreterState *main_interp = PyInterpreterState_Main();
config = _PyInterpreterState_GetConfig(main_interp);