compilable on ubuntu

1 files changed, 1 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 8d06550..41309fe 100644
--- a/src/main.c
+++ b/src/main.c
@@ -4,6 +4,7 @@
 #include <unistd.h>
 #include <limits.h>
 #include <math.h>
+#include <signal.h>
 #include <sys/time.h>
 #include <sys/ioctl.h>