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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2017-12-29 17:03:54 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2018-01-02 02:23:24 +0900 |
| commit | 33d12153da4d3a90817cd9099962eb992f0131dd (patch) | |
| tree | 60a8bd04d04a2eb1142fa7b9fda1b1ebd889c6c8 /src/basic/signal-util.h | |
| parent | 6f90844fe29225d138ff1c286680250878ed3a0a (diff) | |
| download | systemd-33d12153da4d3a90817cd9099962eb992f0131dd.tar.gz | |
basic: introduce *_to_string_with_check() functions
They are used in later commits.
Diffstat (limited to 'src/basic/signal-util.h')
| -rw-r--r-- | src/basic/signal-util.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/basic/signal-util.h b/src/basic/signal-util.h index 76b239b1fc..f6c3396ebe 100644 --- a/src/basic/signal-util.h +++ b/src/basic/signal-util.h @@ -55,3 +55,10 @@ static inline void block_signals_reset(sigset_t *ss) { static inline bool SIGNAL_VALID(int signo) { return signo > 0 && signo < _NSIG; } + +static inline const char* signal_to_string_with_check(int n) { + if (!SIGNAL_VALID(n)) + return NULL; + + return signal_to_string(n); +} |