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-rw-r--r--jim-signal.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/jim-signal.c b/jim-signal.c
index c539aa3..7520aac 100644
--- a/jim-signal.c
+++ b/jim-signal.c
@@ -68,7 +68,9 @@ const char *Jim_SignalId(int sig)
CHECK_SIG(SIGHUP);
CHECK_SIG(SIGILL);
CHECK_SIG(SIGINT);
+#ifdef SIGIO
CHECK_SIG(SIGIO);
+#endif
CHECK_SIG(SIGKILL);
CHECK_SIG(SIGPIPE);
CHECK_SIG(SIGPROF);