- int ret = 0;
-
- signal_pipe = para_signal_init();
- PARA_NOTICE_LOG("%s", "setting up signal handlers\n");
- ret += para_install_sighandler(SIGINT);
- ret += para_install_sighandler(SIGTERM);
- ret += para_install_sighandler(SIGHUP);
- ret += para_install_sighandler(SIGCHLD);
- ret += para_install_sighandler(SIGUSR1);
- signal(SIGPIPE, SIG_IGN);
- if (ret != 5) {
- PARA_EMERG_LOG("%s", "could not install signal handlers\n");
- exit(EXIT_FAILURE);
- }
+ signal_pipe = para_signal_init(); /* always successful */
+
+ PARA_NOTICE_LOG("setting up signal handlers\n");
+ if (para_install_sighandler(SIGINT) < 0)
+ goto err;
+ if (para_install_sighandler(SIGTERM) < 0)
+ goto err;
+ if (para_install_sighandler(SIGHUP) < 0)
+ goto err;
+ if (para_install_sighandler(SIGCHLD) < 0)
+ goto err;
+ if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
+ goto err;
+ if (signal(SIGUSR1, SIG_IGN) == SIG_ERR)
+ goto err;
+ add_close_on_fork_list(signal_pipe);
+ return;
+err:
+ PARA_EMERG_LOG("could not install signal handlers\n");
+ exit(EXIT_FAILURE);