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bpo-46417: signal uses PyStructSequence_NewType() by vstinner · Pull Request #30735 · python/cpython · GitHub

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bpo-46417: signal uses PyStructSequence_NewType() #30735

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Merged
vstinner merged 1 commit into from
Jan 21, 2022
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bpo-46417: signal uses PyStructSequence_NewType() #30735

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16 changes: 9 additions & 7 deletions Modules/signalmodule.c
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,7 @@ typedef struct {
#ifdef MS_WINDOWS
HANDLE sigint_event;
#endif
PyTypeObject *siginfo_type;
} signal_state_t;

// State shared by all Python interpreters
Expand Down Expand Up @@ -1136,12 +1137,13 @@ static PyStructSequence_Desc struct_siginfo_desc = {
7 /* n_in_sequence */
};

static PyTypeObject SiginfoType;

static PyObject *
fill_siginfo(siginfo_t *si)
{
PyObject *result = PyStructSequence_New(&SiginfoType);
signal_state_t *state = &signal_global_state;

PyObject *result = PyStructSequence_New(state->siginfo_type);
if (!result)
return NULL;

Expand Down Expand Up @@ -1660,7 +1662,7 @@ signal_module_exec(PyObject *m)
}
#endif
#if defined(HAVE_SIGWAITINFO) || defined(HAVE_SIGTIMEDWAIT)
if (PyModule_AddType(m, &SiginfoType) < 0) {
if (PyModule_AddType(m, state->siginfo_type) < 0) {
return -1;
}
#endif
Expand Down Expand Up @@ -1758,6 +1760,7 @@ _PySignal_Fini(void)

Py_CLEAR(state->default_handler);
Py_CLEAR(state->ignore_handler);
Py_CLEAR(state->siginfo_type);
}


Expand Down Expand Up @@ -1966,10 +1969,9 @@ _PySignal_Init(int install_signal_handlers)
#endif

#if defined(HAVE_SIGWAITINFO) || defined(HAVE_SIGTIMEDWAIT)
if (SiginfoType.tp_name == NULL) {
if (PyStructSequence_InitType2(&SiginfoType, &struct_siginfo_desc) < 0) {
return -1;
}
state->siginfo_type = PyStructSequence_NewType(&struct_siginfo_desc);
if (state->siginfo_type == NULL) {
return -1;
}
#endif

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