8000 bpo-46417: signal: move siginfo_type to the module state by vstinner · Pull Request #30964 · python/cpython · GitHub
[go: up one dir, main page]
Skip to content

bpo-46417: signal: move siginfo_type to the module state #30964

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jan 27, 2022
Merged

bpo-46417: signal: move siginfo_type to the module state #30964

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
39 changes: 20 additions & 19 deletions Modules/signalmodule.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,6 @@ typedef struct {
#ifdef MS_WINDOWS
HANDLE sigint_event;
#endif
PyTypeObject *siginfo_type;
} signal_state_t;

// State shared by all Python interpreters
Expand All @@ -152,6 +151,7 @@ typedef struct {
#ifdef PYHAVE_ITIMER_ERROR
PyObject *itimer_error;
#endif
PyTypeObject *siginfo_type;
} _signal_module_state;


Expand Down Expand Up @@ -1139,10 +1139,8 @@ static PyStructSequence_Desc struct_siginfo_desc = {


static PyObject *
fill_siginfo(siginfo_t *si)
fill_siginfo(_signal_module_state *state, siginfo_t *si)
{
signal_state_t *state = &signal_global_state;

PyObject *result = PyStructSequence_New(state->siginfo_type);
if (!result)
return NULL;
Expand Down Expand Up @@ -1206,7 +1204,8 @@ signal_sigwaitinfo_impl(PyObject *module, sigset_t sigset)
if (err == -1)
return (!async_err) ? PyErr_SetFromErrno(PyExc_OSError) : NULL;

return fill_siginfo(&si);
_signal_module_state *state = get_signal_state(module);
return fill_siginfo(state, &si);
}

#endif /* #ifdef HAVE_SIGWAITINFO */
Expand Down Expand Up @@ -1274,7 +1273,8 @@ signal_sigtimedwait_impl(PyObject *module, sigset_t sigset,
}
} while (1);

return fill_siginfo(&si);
_signal_module_state *state = get_signal_state(module);
return fill_siginfo(state, &si);
}

#endif /* #ifdef HAVE_SIGTIMEDWAIT */
Expand Down Expand Up @@ -1661,8 +1661,15 @@ signal_module_exec(PyObject *m)
return -1;
}
#endif

#if defined(HAVE_SIGWAITINFO) || defined(HAVE_SIGTIMEDWAIT)
modstate->siginfo_type = PyStructSequence_NewType(&struct_siginfo_desc);
if (modstate->siginfo_type == NULL) {
return -1;
}
#endif
#if defined(HAVE_SIGWAITINFO) || defined(HAVE_SIGTIMEDWAIT)
if (PyModule_AddType(m, state->siginfo_type) < 0) {
if (PyModule_AddType(m, modstate->siginfo_type) < 0) {
return -1;
}
#endif
Expand All @@ -1683,16 +1690,18 @@ signal_module_exec(PyObject *m)
static int
_signal_module_traverse(PyObject *module, visitproc visit, void *arg)
{
_signal_module_state *modstate = get_signal_state(module);
Py_VISIT(modstate->itimer_error);
_signal_module_state *state = get_signal_state(module);
Py_VISIT(state->itimer_error);
Py_VISIT(state->siginfo_type);
return 0;
}

static int
_signal_module_clear(PyObject *module)
{
_signal_module_state *modstate = get_signal_state(module);
Py_CLEAR(modstate->itimer_error);
_signal_module_state *state = get_signal_state(module);
Py_CLEAR(state->itimer_error);
Py_CLEAR(state->siginfo_type);
return 0;
}

Expand Down Expand Up @@ -1760,7 +1769,6 @@ _PySignal_Fini(void)

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


Expand Down Expand Up @@ -1968,13 +1976,6 @@ _PySignal_Init(int install_signal_handlers)
}
#endif

#if defined(HAVE_SIGWAITINFO) || defined(HAVE_SIGTIMEDWAIT)
state->siginfo_type = PyStructSequence_NewType(&struct_siginfo_desc);
if (state->siginfo_type == NULL) {
return -1;
}
#endif

for (int signum = 1; signum < NSIG; signum++) {
_Py_atomic_store_relaxed(&Handlers[signum].tripped, 0);
}
Expand Down
0