X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=include%2Fsparse%2Fsys%2Fsocket.h;h=13f61e5082ccc9dff45254e6d61652d76982c27b;hb=6ec5f0c5f0e0b8e5827364a3f1b8b46da8b650ad;hp=89e3c2dc2822220fc062af0892e37c0a5cec8802;hpb=b2fda3effc787f265b5ad5dfa967ac00627bd075;p=openvswitch

diff --git a/include/sparse/sys/socket.h b/include/sparse/sys/socket.h
index 89e3c2dc..13f61e50 100644
--- a/include/sparse/sys/socket.h
+++ b/include/sparse/sys/socket.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011 Nicira Networks.
+ * Copyright (c) 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -47,6 +47,37 @@ struct msghdr {
     int            msg_flags;
 };
 
+struct cmsghdr {
+    size_t cmsg_len;
+    int cmsg_level;
+    int cmsg_type;
+    unsigned char cmsg_data[];
+};
+
+#define __CMSG_ALIGNTO sizeof(size_t)
+#define CMSG_ALIGN(LEN) \
+        (((LEN) + __CMSG_ALIGNTO - 1) / __CMSG_ALIGNTO * __CMSG_ALIGNTO)
+#define CMSG_DATA(CMSG) ((CMSG)->cmsg_data)
+#define CMSG_LEN(LEN) (sizeof(struct cmsghdr) + (LEN))
+#define CMSG_SPACE(LEN) CMSG_ALIGN(CMSG_LEN(LEN))
+#define CMSG_FIRSTHDR(MSG) \
+    ((MSG)->msg_controllen ? (struct cmsghdr *) (MSG)->msg_control : NULL)
+#define CMSG_NXTHDR(MSG, CMSG) __cmsg_nxthdr(MSG, CMSG)
+
+static inline struct cmsghdr *
+__cmsg_nxthdr(struct msghdr *msg, struct cmsghdr *cmsg)
+{
+    size_t ofs = (char *) cmsg - (char *) msg->msg_control;
+    size_t next_ofs = ofs + CMSG_ALIGN(cmsg->cmsg_len);
+    return (next_ofs < msg->msg_controllen
+            ? (void *) ((char *) msg->msg_control + next_ofs)
+            : NULL);
+}
+
+enum {
+    SCM_RIGHTS = 1
+};
+
 enum {
     SOCK_DGRAM,
     SOCK_RAW,
@@ -74,7 +105,8 @@ enum {
     SO_SNDBUF,
     SO_SNDLOWAT,
     SO_SNDTIMEO,
-    SO_TYPE
+    SO_TYPE,
+    SO_RCVBUFFORCE
 };
 
 enum {