1 files changed, 3 insertions, 0 deletions
diff --git a/tools/hi-test.c b/tools/hi-test.c
index cd0152c..85825e5 100644
--- a/tools/hi-test.c
+++ b/tools/hi-test.c
@@ -1,4 +1,7 @@
 
+#include <sys/types.h>          /* getpid() */
+#include <unistd.h>             /* read(), getpid() */
+
 #include <iostream>
 #include <stdlib.h>
 #include <string>