feat: msync(2)

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

diff --git a/lunaix-os/includes/usr/sys/mann_flags.h b/lunaix-os/includes/usr/sys/mann_flags.h
index 3168d635ec19f62aa8048e552081213a6832ec85..26274303be58eea60a258f0a88b9c3b4d29e43bb 100644 (file)
--- a/lunaix-os/includes/usr/sys/mann_flags.h
+++ b/lunaix-os/includes/usr/sys/mann_flags.h
@@ -9,14 +9,19 @@
 #define PROT_EXEC (1 << 4)
 
 // identity mapped to region attributes
+
 #define MAP_WSHARED 0x2
 #define MAP_RSHARED 0x1
-#define MAP_SHARED (MAP_WSHARED | MAP_RSHARED)
-#define MAP_PRIVATE 0x0
+#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 MS_ASYNC 0x1
 #define MS_SYNC 0x2
 #define MS_INVALIDATE 0x4