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bpo-43962: Fix _PyInterpreterState_IDIncref() (GH-25683)

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_PyInterpreterState_IDIncref() now calls
_PyInterpreterState_IDInitref() and always increments id_refcount.
This commit is contained in:
Victor Stinner 2021-04-28 13:40:44 +02:00 • committed by GitHub
parent 21b02b5f40
commit 32c5a17444
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4 changed files with 22 additions and 10 deletions
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13
Python/pystate.c
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@ -538,24 +538,25 @@ _PyInterpreterState_IDInitref(PyInterpreterState *interp)
}
void
int
_PyInterpreterState_IDIncref(PyInterpreterState *interp)
{
if (interp->id_mutex == NULL) {
return;
if (_PyInterpreterState_IDInitref(interp) < 0) {
return -1;
}
PyThread_acquire_lock(interp->id_mutex, WAIT_LOCK);
interp->id_refcount += 1;
PyThread_release_lock(interp->id_mutex);
return 0;
}
void
_PyInterpreterState_IDDecref(PyInterpreterState *interp)
{
if (interp->id_mutex == NULL) {
return;
}
assert(interp->id_mutex != NULL);
struct _gilstate_runtime_state *gilstate = &_PyRuntime.gilstate;
PyThread_acquire_lock(interp->id_mutex, WAIT_LOCK);
assert(interp->id_refcount != 0);