1 files changed, 1 insertions, 0 deletions
diff --git a/tcp.c b/tcp.c
index 8e8d653..96ca5c7 100644
--- a/tcp.c
+++ b/tcp.c
@@ -267,6 +267,7 @@
 #include <sched.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <errno.h>
 #include <limits.h>