diff options
Diffstat (limited to 'src/libbasic/signal-util.h')
| -rw-r--r-- | src/libbasic/signal-util.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/libbasic/signal-util.h b/src/libbasic/signal-util.h index 72b10e8712..dfd6eb564d 100644 --- a/src/libbasic/signal-util.h +++ b/src/libbasic/signal-util.h @@ -44,9 +44,13 @@ 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; +} |