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libbb: introduse and use signal_[no_]SA_RESTART_empty_mask and sigaction_set

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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
This commit is contained in:
Denis Vlasenko
2008-03-12 23:19:35 +00:00
parent 4cf1d08fc2
commit 8e2cfec1cd
14 changed files with 60 additions and 83 deletions
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12
shell/hush.c
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@ -699,16 +699,6 @@ static const struct built_in_command bltins[] = {
#if ENABLE_HUSH_JOB
/* move to libbb? */
static void signal_SA_RESTART(int sig, void (*handler)(int))
{
struct sigaction sa;
sa.sa_handler = handler;
sa.sa_flags = SA_RESTART;
sigemptyset(&sa.sa_mask);
sigaction(sig, &sa, NULL);
}
/* Signals are grouped, we handle them in batches */
static void set_fatal_sighandler(void (*handler)(int))
{
@ -2115,7 +2105,7 @@ static int run_list(struct pipe *pi)
#if ENABLE_FEATURE_SH_STANDALONE
nofork_save.saved = 0; /* in case we will run a nofork later */
#endif
signal_SA_RESTART(SIGTSTP, handler_ctrl_z);
signal_SA_RESTART_empty_mask(SIGTSTP, handler_ctrl_z);
signal(SIGINT, handler_ctrl_c);
}
#endif /* JOB */