sigaction(SIGUSR1, &action, (struct sigaction *) NULL);
sigaction(SIGPIPE, &action, (struct sigaction *) NULL);
sigaction(SIGSEGV, &action, (struct sigaction *) NULL);
sigaction(SIGUSR1, &action, (struct sigaction *) NULL);
sigaction(SIGPIPE, &action, (struct sigaction *) NULL);
sigaction(SIGSEGV, &action, (struct sigaction *) NULL);