--- /dev/null
+#define IPC_CREAT 01000
+#define IPC_EXCL 02000
+#define IPC_NOWAIT 04000
+
+#define IPC_RMID 0
+#define IPC_SET 1
+#define IPC_STAT 2
+#ifdef _GNU_SOURCE
+# define IPC_INFO 3 /* See ipcs. */
+#endif
+
+#define IPC_PRIVATE ((key_t) 0)
+
+struct ipc_perm
+{
+ key_t key;
+ uid_t uid;
+ gid_t gid;
+ uid_t cuid;
+ gid_t cgid;
+ mode_t mode;
+ int seq;
+ long __pad1;
+ long __pad2;
+};