FEX_ALL
fex_setexcepthandler(&p->__handlers, FEX_ALL);
return !fex_set_handling(FEX_ALL, FEX_NONSTOP, NULL);
return fex_set_handling(FEX_ALL, FEX_NONSTOP, NULL);
fex_getexcepthandler(&p->__handlers, FEX_ALL);