From c1a82e59e270abf73242505d585d1ef75ce3d8a1 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Tue, 5 May 2020 19:40:12 +0200 Subject: [PATCH] bpo-40513: _xxsubinterpreters.run_string() releases the GIL In the experimental isolated subinterpreters build mode, _xxsubinterpreters.run_string() now releases the GIL. --- Modules/_xxsubinterpretersmodule.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Modules/_xxsubinterpretersmodule.c b/Modules/_xxsubinterpretersmodule.c index de11c090870f94..8a6fce9e0b4bd9 100644 --- a/Modules/_xxsubinterpretersmodule.c +++ b/Modules/_xxsubinterpretersmodule.c @@ -1939,6 +1939,20 @@ _run_script_in_interpreter(PyInterpreterState *interp, const char *codestr, return -1; } +#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS + // Switch to interpreter. + PyThreadState *new_tstate = PyInterpreterState_ThreadHead(interp); + PyThreadState *save1 = PyEval_SaveThread(); + + (void)PyThreadState_Swap(new_tstate); + + // Run the script. + _sharedexception *exc = NULL; + int result = _run_script(interp, codestr, shared, &exc); + + // Switch back. + PyEval_RestoreThread(save1); +#else // Switch to interpreter. PyThreadState *save_tstate = NULL; if (interp != PyInterpreterState_Get()) { @@ -1956,6 +1970,7 @@ _run_script_in_interpreter(PyInterpreterState *interp, const char *codestr, if (save_tstate != NULL) { PyThreadState_Swap(save_tstate); } +#endif // Propagate any exception out to the caller. if (exc != NULL) { pFad - Phonifier reborn

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