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-rw-r--r--sys/compat/linux/linux_signal.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_signal.h b/sys/compat/linux/linux_signal.h
index edb7c66..5f6d5bd 100644
--- a/sys/compat/linux/linux_signal.h
+++ b/sys/compat/linux/linux_signal.h
@@ -35,4 +35,6 @@ void linux_to_bsd_sigset(l_sigset_t *, sigset_t *);
void bsd_to_linux_sigset(sigset_t *, l_sigset_t *);
int linux_do_sigaction(struct thread *, int, l_sigaction_t *, l_sigaction_t *);
+#define LINUX_SIG_VALID(sig) ((sig) <= LINUX_NSIG && (sig) > 0)
+
#endif /* _LINUX_SIGNAL_H_ */
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