From 8e2cfec1cdf34068f2378aae9fe8f5ec0f821e21 Mon Sep 17 00:00:00 2001 From: Denis Vlasenko 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 --- include/libbb.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include') diff --git a/include/libbb.h b/include/libbb.h index 3c53e5e..505396b 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -275,6 +275,7 @@ char *xrealloc_getcwd_or_warn(char *cwd); char *xmalloc_follow_symlinks(const char *path); + enum { /* bb_signals(BB_SIGS_FATAL, handler) catches all signals which * otherwise would kill us, except for those resulting from bugs: @@ -306,6 +307,12 @@ void bb_signals(int sigs, void (*f)(int)); * and in a way that while signal handler is run, no other signals * will be blocked: */ void bb_signals_recursive(int sigs, void (*f)(int)); +/* syscalls like read() will be interrupted with EINTR: */ +void signal_no_SA_RESTART_empty_mask(int sig, void (*handler)(int)); +/* syscalls like read() won't be interrupted (though select/poll will be): */ +void signal_SA_RESTART_empty_mask(int sig, void (*handler)(int)); +/* Will do sigaction(signum, act, NULL): */ +int sigaction_set(int signum, const struct sigaction *act); void sig_block(int); void sig_unblock(int); /* UNUSED: void sig_blocknone(void); */ -- cgit v1.1