From 8e2cfec1cdf34068f2378aae9fe8f5ec0f821e21 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Wed, 12 Mar 2008 23:19:35 +0000
Subject: 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
---
loginutils/vlock.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)
(limited to 'loginutils')
diff --git a/loginutils/vlock.c b/loginutils/vlock.c
index 846733ea8..ff60d78ff 100644
--- a/loginutils/vlock.c
+++ b/loginutils/vlock.c
@@ -34,7 +34,6 @@ static void acquire_vt(int signo)
int vlock_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int vlock_main(int argc, char **argv)
{
- struct sigaction sa;
struct vt_mode vtm;
struct termios term;
struct termios oterm;
@@ -63,17 +62,11 @@ int vlock_main(int argc, char **argv)
/* We will use SIGUSRx for console switch control: */
/* 1: set handlers */
- sigemptyset(&sa.sa_mask);
- sa.sa_flags = SA_RESTART;
- sa.sa_handler = release_vt;
- sigaction(SIGUSR1, &sa, NULL);
- sa.sa_handler = acquire_vt;
- sigaction(SIGUSR2, &sa, NULL);
+ signal_SA_RESTART_empty_mask(SIGUSR1, release_vt);
+ signal_SA_RESTART_empty_mask(SIGUSR2, acquire_vt);
/* 2: unmask them */
- sigprocmask(SIG_SETMASK, NULL, &sa.sa_mask);
- sigdelset(&sa.sa_mask, SIGUSR1);
- sigdelset(&sa.sa_mask, SIGUSR2);
- sigprocmask(SIG_SETMASK, &sa.sa_mask, NULL);
+ sig_unblock(SIGUSR1);
+ sig_unblock(SIGUSR2);
/* Revert stdin/out to our controlling tty
* (or die if we have none) */
--
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