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gh-76785: Minor Improvements to "interpreters" Module #116328

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Merged
ericsnowcurrently merged 15 commits into from
Mar 5, 2024
Merged

gh-76785: Minor Improvements to "interpreters" Module #116328

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efd5f33
Make Interpreter instances pickleable.
ericsnowcurrently Mar 1, 2024
acd472a
Make interpreters.Queue instances pickleable.
ericsnowcurrently Mar 1, 2024
98a03d2
Make interpreters.*Channel instances pickleable.
ericsnowcurrently Mar 4, 2024
46c6fb5
Raise QueueNotFoundError from _interpqueues.release().
ericsnowcurrently Mar 1, 2024
7df489d
Combine the two QueueEmpty (and QueueFull) exception types.
ericsnowcurrently Mar 1, 2024
dddd40b
Fix docstrings in the low-level module.
ericsnowcurrently Mar 1, 2024
512bed1
get_default_fmt -> get_queue_defaults
ericsnowcurrently Mar 1, 2024
55e0e92
Drop the default arg from _interpqueues.get().
ericsnowcurrently Mar 1, 2024
b15e706
Add low-level tests.
ericsnowcurrently Mar 2, 2024
38fe300
_PyCrossInterpreterData_UnregisterClass -> clear_xid_class
ericsnowcurrently Mar 4, 2024
9496113
Destroy any remaining queues.
ericsnowcurrently Mar 4, 2024
5645bcf
Do not crash for an unbalanced queue release.
ericsnowcurrently Mar 4, 2024
c43da0c
Fix a compiler warning.
ericsnowcurrently Mar 5, 2024
50a84f4
Fix TestBase.tearDown().
ericsnowcurrently Mar 5, 2024
3bd92b7
Fix a compiler warning.
ericsnowcurrently Mar 5, 2024
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Raise QueueNotFoundError from _interpqueues.release().
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@ericsnowcurrently
ericsnowcurrently committed Mar 4, 2024
commit 46c6fb58fa0ca6bd2e0205ea45b41a04d7218832
22 changes: 17 additions & 5 deletions Modules/_xxinterpqueuesmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -824,17 +824,17 @@ _queues_incref(_queues *queues, int64_t qid)

static void _queue_free(_queue *);

static void
static int
_queues_decref(_queues *queues, int64_t qid)
{
int res = -1;
PyThread_acquire_lock(queues->mutex, WAIT_LOCK);

_queueref *prev = NULL;
_queueref *ref = _queuerefs_find(queues->head, qid, &prev);
if (ref == NULL) {
assert(!PyErr_Occurred());
// Already destroyed.
// XXX Warn?
res = ERR_QUEUE_NOT_FOUND;
goto finally;
}
assert(ref->refcount > 0);
Expand All @@ -852,8 +852,10 @@ _queues_decref(_queues *queues, int64_t qid)
return;
}

res = 0
finally:
PyThread_release_lock(queues->mutex);
return res;
}

struct queue_id_and_fmt {
Expand Down Expand Up @@ -1152,7 +1154,14 @@ _queueid_xid_free(void *data)
int64_t qid = ((struct _queueid_xid *)data)->qid;
PyMem_RawFree(data);
_queues *queues = _get_global_queues();
_queues_decref(queues, qid);
int res = _queues_decref(queues, qid);
if (res == ERR_QUEUE_NOT_FOUND) {
// Already destroyed.
// XXX Warn?
}
else {
assert(res == 0);
}
}

static PyObject *
Expand Down Expand Up @@ -1491,7 +1500,10 @@ queuesmod_release(PyObject *self, PyObject *args, PyObject *kwds)
// XXX Check module state if bound already.
// XXX Update module state.

_queues_decref(&_globals.queues, qid);
int err = _queues_decref(&_globals.queues, qid);
if (handle_queue_error(err, self, qid)) {
return NULL;
}

Py_RETURN_NONE;
}
Expand Down