44     int signum;  member
105 static void faulthandler_user(int signum);
303     (void)sigaction(handler->signum, &handler->previous, NULL);  in faulthandler_disable_fatal_handler()
305     (void)signal(handler->signum, handler->previous);  in faulthandler_disable_fatal_handler()
324 faulthandler_fatal_error(int signum)  in faulthandler_fatal_error()  argument
336         if (handler->signum == signum)  in faulthandler_fatal_error()
358     if (signum == SIGSEGV) {  in faulthandler_fatal_error()
366     raise(signum);  in faulthandler_fatal_error()
420             if (handler->signum == SIGSEGV) {  in faulthandler_exc_handler()
500         err = sigaction(handler->signum, &action, &handler->previous);  in faulthandler_enable()
502         handler->previous = signal(handler->signum,  in faulthandler_enable()
794 faulthandler_register(int signum, int chain, _Py_sighandler_t *previous_p)  in faulthandler_register()  argument
815     return sigaction(signum, &action, previous_p);  in faulthandler_register()
818     previous = signal(signum, faulthandler_user);  in faulthandler_register()
834 faulthandler_user(int signum)  in faulthandler_user()  argument
839     user = &user_signals[signum];  in faulthandler_user()
847         (void)sigaction(signum, &user->previous, NULL);  in faulthandler_user()
851         raise(signum);  in faulthandler_user()
854         (void)faulthandler_register(signum, user->chain, NULL);  in faulthandler_user()
861         user->previous(signum);  in faulthandler_user()
867 check_signum(int signum)  in check_signum()  argument
870         if (faulthandler_handlers[i].signum == signum) {  in check_signum()
874                          signum);  in check_signum()
878     if (signum < 1 || NSIG <= signum) {  in check_signum()
890     int signum;  in faulthandler_register_py()  local
902         &signum, &file, &all_threads, &chain))  in faulthandler_register_py()
905     if (!check_signum(signum))  in faulthandler_register_py()
921     user = &user_signals[signum];  in faulthandler_register_py()
930         err = faulthandler_register(signum, chain, &previous);  in faulthandler_register_py()
951 faulthandler_unregister(user_signal_t *user, int signum)  in faulthandler_unregister()  argument
957     (void)sigaction(signum, &user->previous, NULL);  in faulthandler_unregister()
959     (void)signal(signum, user->previous);  in faulthandler_unregister()
969     int signum;  in faulthandler_unregister_py()  local
973     if (!PyArg_ParseTuple(args, "i:unregister", &signum))  in faulthandler_unregister_py()
976     if (!check_signum(signum))  in faulthandler_unregister_py()
982     user = &user_signals[signum];  in faulthandler_unregister_py()
983     change = faulthandler_unregister(user, signum);  in faulthandler_unregister_py()
1194         for (size_t signum=0; signum < NSIG; signum++)  in faulthandler_traverse()  local
1195             Py_VISIT(user_signals[signum].file);  in faulthandler_traverse()
1386         for (size_t signum=0; signum < NSIG; signum++) {  in _PyFaulthandler_Fini()  local
1387             faulthandler_unregister(&user_signals[signum], signum);  in _PyFaulthandler_Fini()