From 6eb7c172b58d81a5f6c3998ce304a7324fc65050 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 8 Apr 2016 11:27:28 +0200
Subject: tree-wide: add new SIGNAL_VALID() macro-like function that validates
 signal numbers

And port all code over to use it.
---
 src/basic/signal-util.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/basic/signal-util.h')

diff --git a/src/basic/signal-util.h b/src/basic/signal-util.h
index a7322ff26a..dfd6eb564d 100644
--- a/src/basic/signal-util.h
+++ b/src/basic/signal-util.h
@@ -50,3 +50,7 @@ static inline void block_signals_reset(sigset_t *ss) {
                 assert_se(sigprocmask_many(SIG_BLOCK, &t, __VA_ARGS__, -1) >= 0); \
                 t;                                                                \
         })
+
+static inline bool SIGNAL_VALID(int signo) {
+        return signo > 0 && signo < _NSIG;
+}
-- 
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