diff --git a/contrib/openbsm/bin/auditd/auditd.c b/contrib/openbsm/bin/auditd/auditd.c index 00d38149e580..a165cf314e08 100644 --- a/contrib/openbsm/bin/auditd/auditd.c +++ b/contrib/openbsm/bin/auditd/auditd.c @@ -415,27 +415,35 @@ close_all(void) static int register_daemon(void) { + struct sigaction action; FILE * pidfile; int fd; pid_t pid; /* Set up the signal hander. */ - if (signal(SIGTERM, auditd_relay_signal) == SIG_ERR) { + action.sa_handler = auditd_relay_signal; + /* + * sa_flags must not include SA_RESTART, so that read(2) will be + * interruptible in auditd_wait_for_events + */ + action.sa_flags = 0; + sigemptyset(&action.sa_mask); + if (sigaction(SIGTERM, &action, NULL) != 0) { auditd_log_err( "Could not set signal handler for SIGTERM"); fail_exit(); } - if (signal(SIGCHLD, auditd_relay_signal) == SIG_ERR) { + if (sigaction(SIGCHLD, &action, NULL) != 0) { auditd_log_err( "Could not set signal handler for SIGCHLD"); fail_exit(); } - if (signal(SIGHUP, auditd_relay_signal) == SIG_ERR) { + if (sigaction(SIGHUP, &action, NULL) != 0) { auditd_log_err( "Could not set signal handler for SIGHUP"); fail_exit(); } - if (signal(SIGALRM, auditd_relay_signal) == SIG_ERR) { + if (sigaction(SIGALRM, &action, NULL) != 0) { auditd_log_err( "Could not set signal handler for SIGALRM"); fail_exit();