libbb: correctness/size tweaks in signal-related helpers

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 4 insertions, 4 deletions

diff --git a/libbb/signals.c b/libbb/signals.c
index cdc37b1ef..56512473a 100644
--- a/libbb/signals.c
+++ b/libbb/signals.c
@@ -39,7 +39,7 @@ void FAST_FUNC bb_signals(int sigs, void (*f)(int))
 
         while (sigs) {
                 if (sigs & bit) {
-                        sigs &= ~bit;
+                        sigs -= bit;
                         signal(sig_no, f);
                 }
                 sig_no++;
@@ -60,7 +60,7 @@ void FAST_FUNC bb_signals_recursive_norestart(int sigs, void (*f)(int))
 
         while (sigs) {
                 if (sigs & bit) {
-                        sigs &= ~bit;
+                        sigs -= bit;
                         sigaction_set(sig_no, &sa);
                 }
                 sig_no++;
@@ -97,7 +97,7 @@ void FAST_FUNC kill_myself_with_sig(int sig)
         signal(sig, SIG_DFL);
         sig_unblock(sig);
         raise(sig);
-        _exit(EXIT_FAILURE); /* Should not reach it */
+        _exit(sig | 128); /* Should not reach it */
 }
 
 void FAST_FUNC signal_SA_RESTART_empty_mask(int sig, void (*handler)(int))
diff --git a/procps/top.c b/procps/top.c
index 1977fcafc..b08444a76 100644
--- a/procps/top.c
+++ b/procps/top.c
@@ -727,7 +727,7 @@ static void reset_term(void)
         }
 }
 
-static void sig_catcher(int sig UNUSED_PARAM)
+static void sig_catcher(int sig)
 {
         reset_term();
         kill_myself_with_sig(sig);