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authorDenis Vlasenko2008-03-12 23:19:35 +0000
committerDenis Vlasenko2008-03-12 23:19:35 +0000
commit8e2cfec1cdf34068f2378aae9fe8f5ec0f821e21 (patch)
treecf328e6b8bbdc608228da528f661124e364edb85 /include/libbb.h
parent4cf1d08fc2e50f9abda999d468c5e972ff4995c2 (diff)
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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 'include/libbb.h')
-rw-r--r--include/libbb.h7
1 files changed, 7 insertions, 0 deletions
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); */