Class sigaction

smallthinker/tools/run/run.cpp:1222–1222

static void ctrl_c_handling() {
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
    struct sigaction sigint_action;
    sigint_action.sa_handler = sigint_handler;
    sigemptyset(&sigint_action.sa_mask);
    sigint_action.sa_flags = 0;