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-rw-r--r--kernel/fcntl.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/fcntl.h b/kernel/fcntl.h
index d7bb43b..832894c 100644
--- a/kernel/fcntl.h
+++ b/kernel/fcntl.h
@@ -4,3 +4,13 @@
#define O_NOFOLLOW 0x010
#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