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gh-76785: Use Pending Calls When Releasing Cross-Interpreter Data #109556

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Merged
ericsnowcurrently merged 11 commits into from
Sep 19, 2023
Merged

gh-76785: Use Pending Calls When Releasing Cross-Interpreter Data #109556

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fb807e3
Use the raw allocator.
ericsnowcurrently Aug 30, 2023
e96eefc
Drop the unnecessary arg to _release_xid_data().
ericsnowcurrently Sep 9, 2023
53e1029
Pass a flag to _release_xid_data().
ericsnowcurrently Sep 7, 2023
8ef9b95
Add the _Py_pending_call_func typedef.
ericsnowcurrently Sep 7, 2023
daa7f32
Do not bother freeing the data if not set.
ericsnowcurrently Sep 7, 2023
5d94456
Use pending calls when releasing cross-interpreter data.
ericsnowcurrently Sep 7, 2023
c610c41
Use _release_xidata_pending() indirectly.
ericsnowcurrently Sep 7, 2023
1d12503
Optionally free the provided XID after releasing.
ericsnowcurrently Sep 7, 2023
0b5a84a
Add _PyCrossInterpreterData_ReleaseAndRawFree().
ericsnowcurrently Sep 7, 2023
ac9d0db
Fix _release_xid_data().
ericsnowcurrently Sep 19, 2023
f38f44b
Do not directly free the XI data in _channelitem_clear().
ericsnowcurrently Sep 19, 2023
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Add the _Py_pending_call_func typedef.
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@ericsnowcurrently
ericsnowcurrently committed Sep 9, 2023
commit 8ef9b959d8059505b8a9ace8f654580a4ae743a3
2 changes: 1 addition & 1 deletion Include/internal/pycore_ceval.h
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Expand Up @@ -44,7 +44,7 @@ extern void _PyEval_SignalReceived(PyInterpreterState *interp);
// Export for '_testinternalcapi' shared extension
PyAPI_FUNC(int) _PyEval_AddPendingCall(
PyInterpreterState *interp,
int (*func)(void *),
_Py_pending_call_func func,
void *arg,
int mainthreadonly);

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4 changes: 3 additions & 1 deletion Include/internal/pycore_ceval_state.h
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Expand Up @@ -11,6 +11,8 @@ extern "C" {
#include "pycore_gil.h" // struct _gil_runtime_state


typedef int (*_Py_pending_call_func)(void *);

struct _pending_calls {
int busy;
PyThread_type_lock lock;
Expand All @@ -22,7 +24,7 @@ struct _pending_calls {
int async_exc;
#define NPENDINGCALLS 32
struct _pending_call {
int (*func)(void *);
_Py_pending_call_func func;
void *arg;
} calls[NPENDINGCALLS];
int first;
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8 changes: 4 additions & 4 deletions Python/ceval_gil.c
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Expand Up @@ -794,7 +794,7 @@ _PyEval_SignalReceived(PyInterpreterState *interp)
/* Push one item onto the queue while holding the lock. */
static int
_push_pending_call(struct _pending_calls *pending,
int (*func)(void *), void *arg)
_Py_pending_call_func func, void *arg)
{
int i = pending->last;
int j = (i + 1) % NPENDINGCALLS;
Expand Down Expand Up @@ -841,7 +841,7 @@ _pop_pending_call(struct _pending_calls *pending,

int
_PyEval_AddPendingCall(PyInterpreterState *interp,
int (*func)(void *), void *arg,
_Py_pending_call_func func, void *arg,
int mainthreadonly)
{
assert(!mainthreadonly || _Py_IsMainInterpreter(interp));
Expand All @@ -865,7 +865,7 @@ _PyEval_AddPendingCall(PyInterpreterState *interp,
}

int
Py_AddPendingCall(int (*func)(void *), void *arg)
Py_AddPendingCall(_Py_pending_call_func func, void *arg)
{
/* Legacy users of this API will continue to target the main thread
(of the main interpreter). */
Expand Down Expand Up @@ -909,7 +909,7 @@ _make_pending_calls(struct _pending_calls *pending)
{
/* perform a bounded number of calls, in case of recursion */
for (int i=0; i<NPENDINGCALLS; i++) {
int (*func)(void *) = NULL;
_Py_pending_call_func func = NULL;
void *arg = NULL;

/* pop one item off the queue while holding the lock */
Expand Down