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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.
This commit is contained in:
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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4
Include/internal/pycore_ceval.h
View file

@ -50,7 +50,11 @@ extern PyObject *_PyEval_EvalCode(
PyObject *kwdefs, PyObject *closure,
PyObject *name, PyObject *qualname);
#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
extern int _PyEval_ThreadsInitialized(PyInterpreterState *interp);
#else
extern int _PyEval_ThreadsInitialized(struct pyruntimestate *runtime);
#endif
extern PyStatus _PyEval_InitGIL(PyThreadState *tstate);
extern void _PyEval_FiniGIL(PyThreadState *tstate);

3
Include/internal/pycore_interp.h
View file

@ -46,6 +46,9 @@ struct _ceval_state {
/* Request for dropping the GIL */
_Py_atomic_int gil_drop_request;
struct _pending_calls pending;
#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
struct _gil_runtime_state gil;
#endif
};

2
Include/internal/pycore_runtime.h
View file

@ -19,7 +19,9 @@ struct _ceval_runtime_state {
the main thread of the main interpreter can handle signals: see
_Py_ThreadCanHandleSignals(). */
_Py_atomic_int signals_pending;
#ifndef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
struct _gil_runtime_state gil;
#endif
};
/* GIL state */