libbb: introduse and use signal_[no_]SA_RESTART_empty_mask and sigaction_set
signal_SA_RESTART_empty_mask - 65 +65
signal_no_SA_RESTART_empty_mask - 54 +54
dd_main 1325 1369 +44
sigaction_set - 19 +19
dname_enc 373 377 +4
UNSPEC_print 64 66 +2
setsignal 296 294 -2
bb_signals_recursive 95 92 -3
bb_askpass 367 361 -6
inetd_main 1810 1797 -13
rx_main 912 883 -29
sigdelset 32 - -32
__sigdelset 32 - -32
__GI_sigdelset 32 - -32
sighup_handler 84 37 -47
arping_main 1844 1797 -47
fsck_main 1869 1807 -62
run_list 1917 1844 -73
vlock_main 492 409 -83
progressmeter 883 798 -85
handle_incoming_and_exit 2737 2651 -86
------------------------------------------------------------------------------
(add/remove: 3/3 grow/shrink: 3/12 up/down: 188/-632) Total: -444 bytes
diff --git a/networking/inetd.c b/networking/inetd.c
index 463c7cf..196f6d2 100644
--- a/networking/inetd.c
+++ b/networking/inetd.c
@@ -1179,15 +1179,15 @@
sigaddset(&sa.sa_mask, SIGCHLD);
sigaddset(&sa.sa_mask, SIGHUP);
sa.sa_handler = retry_network_setup;
- sigaction(SIGALRM, &sa, NULL);
+ sigaction_set(SIGALRM, &sa);
sa.sa_handler = reread_config_file;
- sigaction(SIGHUP, &sa, NULL);
+ sigaction_set(SIGHUP, &sa);
sa.sa_handler = reap_child;
- sigaction(SIGCHLD, &sa, NULL);
+ sigaction_set(SIGCHLD, &sa);
sa.sa_handler = clean_up_and_exit;
- sigaction(SIGTERM, &sa, NULL);
+ sigaction_set(SIGTERM, &sa);
sa.sa_handler = clean_up_and_exit;
- sigaction(SIGINT, &sa, NULL);
+ sigaction_set(SIGINT, &sa);
sa.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &sa, &saved_pipe_handler);
@@ -1382,7 +1382,7 @@
* for nowait stream children */
for (sep2 = serv_list; sep2; sep2 = sep2->se_next)
maybe_close(sep2->se_fd);
- sigaction(SIGPIPE, &saved_pipe_handler, NULL);
+ sigaction_set(SIGPIPE, &saved_pipe_handler);
unblock_sigs(&omask);
BB_EXECVP(sep->se_program, sep->se_argv);
bb_perror_msg("exec %s", sep->se_program);