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bpo-38631: Replace Py_FatalError() with assert() in ceval.c (GH-18279)

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Replace a few Py_FatalError() calls if tstate is NULL with
assert(tstate != NULL) in ceval.c.

PyEval_AcquireThread(), PyEval_ReleaseThread() and
PyEval_RestoreThread() must never be called with a NULL tstate.
This commit is contained in:
Victor Stinner 2020-01-30 12:20:48 +01:00 • committed by GitHub
parent ec3c99c8a7
commit 17c68b8107
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2 changed files with 5 additions and 11 deletions
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14
Python/ceval.c
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@ -302,9 +302,7 @@ PyEval_ReleaseLock(void)
void
PyEval_AcquireThread(PyThreadState *tstate)
{
if (tstate == NULL) {
Py_FatalError("PyEval_AcquireThread: NULL new thread state");
}
assert(tstate != NULL);
_PyRuntimeState *runtime = tstate->interp->runtime;
struct _ceval_runtime_state *ceval = &runtime->ceval;
@ -321,9 +319,7 @@ PyEval_AcquireThread(PyThreadState *tstate)
void
PyEval_ReleaseThread(PyThreadState *tstate)
{
if (tstate == NULL) {
Py_FatalError("PyEval_ReleaseThread: NULL thread state");
}
assert(tstate != NULL);
_PyRuntimeState *runtime = tstate->interp->runtime;
PyThreadState *new_tstate = _PyThreadState_Swap(&runtime->gilstate, NULL);
@ -385,12 +381,10 @@ PyEval_SaveThread(void)
void
PyEval_RestoreThread(PyThreadState *tstate)
{
assert(tstate != NULL);
_PyRuntimeState *runtime = tstate->interp->runtime;
struct _ceval_runtime_state *ceval = &runtime->ceval;
if (tstate == NULL) {
Py_FatalError("PyEval_RestoreThread: NULL tstate");
}
assert(gil_created(&ceval->gil));
int err = errno;