diff options
| author | Denis Vlasenko <vda.linux@googlemail.com> | 2008-03-12 23:19:35 +0000 |
|---|---|---|
| committer | Denis Vlasenko <vda.linux@googlemail.com> | 2008-03-12 23:19:35 +0000 |
| commit | 8e2cfec1cdf34068f2378aae9fe8f5ec0f821e21 (patch) | |
| tree | cf328e6b8bbdc608228da528f661124e364edb85 /libbb/signals.c | |
| parent | 4cf1d08fc2e50f9abda999d468c5e972ff4995c2 (diff) | |
| download | busybox-8e2cfec1cdf34068f2378aae9fe8f5ec0f821e21.tar.gz | |
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
Diffstat (limited to 'libbb/signals.c')
| -rw-r--r-- | libbb/signals.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/libbb/signals.c b/libbb/signals.c index a327e87c8..719beab63 100644 --- a/libbb/signals.c +++ b/libbb/signals.c @@ -11,6 +11,12 @@ #include "libbb.h" +/* Saves 2 bytes on x86! Oh my... */ +int sigaction_set(int signum, const struct sigaction *act) +{ + return sigaction(signum, act, NULL); +} + void bb_signals(int sigs, void (*f)(int)) { int sig_no = 0; @@ -40,7 +46,7 @@ void bb_signals_recursive(int sigs, void (*f)(int)) while (sigs) { if (sigs & bit) { sigs &= ~bit; - sigaction(sig_no, &sa, NULL); + sigaction_set(sig_no, &sa); } sig_no++; bit <<= 1; @@ -87,3 +93,23 @@ void kill_myself_with_sig(int sig) raise(sig); _exit(1); /* Should not reach it */ } + +void signal_SA_RESTART_empty_mask(int sig, void (*handler)(int)) +{ + struct sigaction sa; + memset(&sa, 0, sizeof(sa)); + /*sigemptyset(&sa.sa_mask);*/ + sa.sa_flags = SA_RESTART; + sa.sa_handler = handler; + sigaction_set(sig, &sa); +} + +void signal_no_SA_RESTART_empty_mask(int sig, void (*handler)(int)) +{ + struct sigaction sa; + memset(&sa, 0, sizeof(sa)); + /*sigemptyset(&sa.sa_mask);*/ + /*sa.sa_flags = 0;*/ + sa.sa_handler = handler; + sigaction_set(sig, &sa); +} |