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bpo-40514: Drop EXPERIMENTAL_ISOLATED_SUBINTERPRETERS (gh-93185)

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This was added for bpo-40514 (gh-84694) to test out a per-interpreter GIL. However, it has since proven unnecessary to keep the experiment in the repo. (It can be done as a branch in a fork like normal.) So here we are removing:

* the configure option
* the macro
* the code enabled by the macro
This commit is contained in:
Eric Snow 2022-05-27 17:38:01 -06:00 • committed by GitHub
parent e6a57678ca
commit caa279d6fd
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 9 additions and 233 deletions
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15
Modules/_xxsubinterpretersmodule.c
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@ -1932,20 +1932,6 @@ _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()) {
@ -1963,7 +1949,6 @@ _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) {