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gh-76785: Simplify Channels XID Types #116318

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Merged
ericsnowcurrently merged 6 commits into from
Mar 4, 2024
Merged

gh-76785: Simplify Channels XID Types #116318

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6cb18f4
add_new_type() -> add_channelid_type()
ericsnowcurrently Feb 15, 2024
f5d0db8
Add clear_xid_types().
ericsnowcurrently Feb 15, 2024
a3ef45a
Do not use the XID type registry in set_channelend_types().
ericsnowcurrently Feb 15, 2024
db9d92c
Drop the XID type registry.
ericsnowcurrently Feb 15, 2024
1acc34f
Merge branch 'main' into simplify-channels-xid-types
ericsnowcurrently Mar 4, 2024
970d88b
Clear the right class.
ericsnowcurrently Mar 4, 2024
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Drop the XID type registry.
  • Loading branch information
@ericsnowcurrently
ericsnowcurrently committed Mar 4, 2024
commit db9d92cc9034a5325362310bfde8ec36f3690b8f
36 changes: 0 additions & 36 deletions Modules/_xxinterpchannelsmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -93,38 +93,6 @@ API.. The module does not create any objects that are shared globally.
PyMem_RawFree(VAR)


struct xid_class_registry {
size_t count;
#define MAX_XID_CLASSES 5
struct {
PyTypeObject *cls;
} added[MAX_XID_CLASSES];
};

static int
register_xid_class(PyTypeObject *cls, crossinterpdatafunc shared,
struct xid_class_registry *classes)
{
int res = ensure_xid_class(cls, shared);
if (res == 0) {
assert(classes->count < MAX_XID_CLASSES);
// The class has refs elsewhere, so we need to incref here.
classes->added[classes->count].cls = cls;
classes->count += 1;
}
return res;
}

static void
clear_xid_class_registry(struct xid_class_registry *classes)
{
while (classes->count > 0) {
classes->count -= 1;
PyTypeObject *cls = classes->added[classes->count].cls;
_PyCrossInterpreterData_UnregisterClass(cls);
}
}

#define XID_IGNORE_EXC 1
#define XID_FREE 2

Expand Down Expand Up @@ -247,8 +215,6 @@ wait_for_lock(PyThread_type_lock mutex, PY_TIMEOUT_T timeout)
/* module state *************************************************************/

typedef struct {
struct xid_class_registry xid_classes;

/* Added at runtime by interpreters module. */
PyTypeObject *send_channel_type;
PyTypeObject *recv_channel_type;
Expand Down Expand Up @@ -313,8 +279,6 @@ traverse_module_state(module_state *state, visitproc visit, void *arg)
static void
clear_xid_types(module_state *state)
{
clear_xid_class_registry(&state->xid_classes);

/* external types */
if (state->send_channel_type != NULL) {
(void)_PyCrossInterpreterData_UnregisterClass(state->send_channel_type);
Expand Down