Signal Handler Done Right


volatile sig_atomic_t    quit = 0, reconfig = 0, sigchld = 0;

void
sighdlr(int sig)   
{
        switch (sig) {
        case SIGTERM:
        case SIGINT:
                quit = 1;
                break;
        case SIGCHLD:
                sigchld = 1;
                break;
        case SIGHUP:
                reconfig = 1;
                break;
        }
}

        signal(SIGCHLD, sighdlr);
        signal(SIGTERM, sighdlr);
        signal(SIGINT, sighdlr);
        signal(SIGHUP, sighdlr);