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Revert "bpo-36356: Destroy the GIL at exit (GH-12453)" (GH613006)

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This reverts commit b36e5d627d.
This commit is contained in:
Victor Stinner 2019-04-29 13:04:07 +02:00 • committed by GitHub
parent b36e5d627d
commit 99fcc616d4
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5 changed files with 18 additions and 26 deletions
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16
Python/ceval.c
View file

@ -188,19 +188,8 @@ PyEval_InitThreads(void)
}
}
void
_PyEval_FiniThreads(void)
{
if (_PyRuntime.ceval.pending.lock != NULL) {
PyThread_free_lock(_PyRuntime.ceval.pending.lock);
_PyRuntime.ceval.pending.lock = NULL;
}
}
void
_PyEval_FiniThreads2(void)
{
if (!gil_created()) {
return;
@ -208,6 +197,11 @@ _PyEval_FiniThreads2(void)
destroy_gil();
assert(!gil_created());
if (_PyRuntime.ceval.pending.lock != NULL) {
PyThread_free_lock(_PyRuntime.ceval.pending.lock);
_PyRuntime.ceval.pending.lock = NULL;
}
}
static inline void

11
Python/pylifecycle.c
View file

@ -4,9 +4,8 @@
#include "Python-ast.h"
#undef Yield /* undefine macro conflicting with <winbase.h> */
#include "pycore_ceval.h" /* _PyEval_FiniThreads() */
#include "pycore_context.h"
#include "pycore_coreconfig.h"
#include "pycore_context.h"
#include "pycore_fileutils.h"
#include "pycore_hamt.h"
#include "pycore_pathconfig.h"
@ -556,11 +555,12 @@ pycore_create_interpreter(_PyRuntimeState *runtime,
return _Py_INIT_ERR("can't make first thread");
(void) PyThreadState_Swap(tstate);
/* Destroying the GIL in Py_FinalizeEx might fail when it is being
referenced from another running thread (see bpo-9901).
/* We can't call _PyEval_FiniThreads() in Py_FinalizeEx because
destroying the GIL might fail when it is being referenced from
another running thread (see issue #9901).
Instead we destroy the previously created GIL here, which ensures
that we can call Py_Initialize / Py_FinalizeEx multiple times. */
_PyEval_FiniThreads2();
_PyEval_FiniThreads();
/* Auto-thread-state API */
_PyGILState_Init(runtime, interp, tstate);
@ -1357,7 +1357,6 @@ Py_FinalizeEx(void)
call_ll_exitfuncs(runtime);
_PyEval_FiniThreads();
_PyRuntime_Finalize();
return status;
}