X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fbasic%2Fsignal-util.h;h=ee37e2726e14e686cad101ea0b0946f6eb9567e1;hb=6f2f5118f1ba06b7fd93a0ce6661530ea1f7e7ee;hp=7013c51a3d9aaa4385ec3321bd405b6a107f5e25;hpb=66ecc207e203db5434610395cd04c40ae8727b58;p=elogind.git

diff --git a/src/basic/signal-util.h b/src/basic/signal-util.h
index 7013c51a3..ee37e2726 100644
--- a/src/basic/signal-util.h
+++ b/src/basic/signal-util.h
@@ -48,9 +48,13 @@ static inline void block_signals_reset(sigset_t *ss) {
         assert_se(sigprocmask(SIG_SETMASK, ss, NULL) >= 0);
 }
 
-#define BLOCK_SIGNALS(...)                                              \
-        _cleanup_(block_signals_reset) sigset_t _saved_sigset = ({      \
-                sigset_t t;                                             \
+#define BLOCK_SIGNALS(...)                                                        \
+        _cleanup_(block_signals_reset) _unused_ sigset_t _saved_sigset = ({       \
+                sigset_t t;                                                       \
                 assert_se(sigprocmask_many(SIG_BLOCK, &t, __VA_ARGS__, -1) >= 0); \
-                t;                                                      \
+                t;                                                                \
         })
+
+static inline bool SIGNAL_VALID(int signo) {
+        return signo > 0 && signo < _NSIG;
+}