diff options
Diffstat (limited to 'include/linux/signal.h')
| -rw-r--r-- | include/linux/signal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h index 78bfb266e4f..0a98f5ec5ca 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -220,6 +220,12 @@ static inline void init_sigpending(struct sigpending *sig) INIT_LIST_HEAD(&sig->list); } +/* Test if 'sig' is valid signal. Use this instead of testing _NSIG directly */ +static inline int valid_signal(unsigned long sig) +{ + return sig <= _NSIG ? 1 : 0; +} + extern int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p); extern int __group_send_sig_info(int, struct siginfo *, struct task_struct *); extern long do_sigpending(void __user *, unsigned long); |