Class sigaction

imperative/python/src/utils.cpp:174–174

static inline void set_signal_handler(
        int signal, void (*handler)(int, siginfo_t*, void*),
        struct sigaction* old_sa_ptr) {
    struct sigaction sa {};
    sa.sa_sigaction = handler;
    sa.sa_flags = SA_RESTART | SA_SIGINFO | SA_NOCLDSTOP | SA_NODEFER;