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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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18 changed files with 9 additions and 233 deletions
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17
Python/pystate.c
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@ -1165,14 +1165,6 @@ _PyThreadState_DeleteExcept(_PyRuntimeState *runtime, PyThreadState *tstate)
}
#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
PyThreadState*
_PyThreadState_GetTSS(void) {
return PyThread_tss_get(&_PyRuntime.gilstate.autoTSSkey);
}
#endif
PyThreadState *
_PyThreadState_UncheckedGet(void)
{
@ -1192,11 +1184,7 @@ PyThreadState_Get(void)
PyThreadState *
_PyThreadState_Swap(struct _gilstate_runtime_state *gilstate, PyThreadState *newts)
{
#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
PyThreadState *oldts = _PyThreadState_GetTSS();
#else
PyThreadState *oldts = _PyRuntimeGILState_GetThreadState(gilstate);
#endif
_PyRuntimeGILState_SetThreadState(gilstate, newts);
/* It should not be possible for more than one thread state
@ -1214,9 +1202,6 @@ _PyThreadState_Swap(struct _gilstate_runtime_state *gilstate, PyThreadState *new
Py_FatalError("Invalid thread state for this thread");
errno = err;
}
#endif
#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
PyThread_tss_set(&gilstate->autoTSSkey, newts);
#endif
return oldts;
}
@ -1665,9 +1650,7 @@ PyGILState_Ensure(void)
/* Ensure that _PyEval_InitThreads() and _PyGILState_Init() have been
called by Py_Initialize() */
#ifndef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS
assert(_PyEval_ThreadsInitialized(runtime));
#endif
assert(gilstate->autoInterpreterState);
PyThreadState *tcur = (PyThreadState *)PyThread_tss_get(&gilstate->autoTSSkey);