refactor: restructure the user space stuff.

[lunaix-os.git] / lunaix-os / includes / usr / lunaix / mann_flags.h

diff --git a/lunaix-os/includes/usr/lunaix/mann_flags.h b/lunaix-os/includes/usr/lunaix/mann_flags.h
new file mode 100644 (file)
index 0000000..479c60b
--- /dev/null
+++ b/lunaix-os/includes/usr/lunaix/mann_flags.h
@@ -0,0 +1,31 @@
+#ifndef __LUNAIX_SYS_MANN_FLAGS_H
+#define __LUNAIX_SYS_MANN_FLAGS_H
+
+// POSIX compliant.
+
+// identity mapped to region attributes
+#define PROT_READ (1 << 2)
+#define PROT_WRITE (1 << 3)
+#define PROT_EXEC (1 << 4)
+
+// identity mapped to region attributes
+
+#define MAP_WSHARED 0x2
+#define MAP_RSHARED 0x1
+#define MAP_SHARED MAP_WSHARED
+#define MAP_PRIVATE MAP_RSHARED
+#define MAP_EXCLUSIVE 0x0
+#define MAP_ANON (1 << 5)
+#define MAP_STACK 0 // no effect in Lunaix
+
+// other MAP_* goes should beyond 0x20
+
+#define MAP_FIXED 0x40
+#define MAP_FIXED_NOREPLACE 0x80
+
+#define MS_ASYNC 0x1
+#define MS_SYNC 0x2
+#define MS_INVALIDATE 0x4
+#define MS_INVALIDATE_ALL 0x8
+
+#endif /* __LUNAIX_MANN_FLAGS_H */