add some missing macros to sys/shm.h

these are not specified in the standard, but in the reserved
namespace, so there is no problem with defining them unconditionally.

diff --git a/include/sys/shm.h b/include/sys/shm.h
index ce3029f545367974cc17ce5c819950caadae2d16..bca6ed62c33990269573f00ed5e4f51b08ebccac 100644 (file)
--- a/include/sys/shm.h
+++ b/include/sys/shm.h
@@ -16,6 +16,9 @@ extern "C" {
 #include <sys/ipc.h>
 #include <bits/shm.h>
 
+#define SHM_R 0400
+#define SHM_W 0200
+
 #define SHM_RDONLY 010000
 #define SHM_RND    020000
 #define SHM_REMAP  040000