1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/fcntl.h b/kernel/fcntl.h
index 44861b9..09f330a 100644
--- a/kernel/fcntl.h
+++ b/kernel/fcntl.h
@@ -3,3 +3,13 @@
 #define O_RDWR    0x002
 #define O_CREATE  0x200
 #define O_TRUNC   0x400
+
+#ifdef LAB_MMAP
+#define PROT_NONE       0x0
+#define PROT_READ       0x1
+#define PROT_WRITE      0x2
+#define PROT_EXEC       0x4
+
+#define MAP_SHARED      0x01
+#define MAP_PRIVATE     0x02
+#endif