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authorDavid Howells2012-10-13 11:46:48 +0200
committerDavid Howells2012-10-13 11:46:48 +0200
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/socket.h
parentUAPI: Unexport linux/blk_types.h (diff)
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UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/socket.h')
-rw-r--r--include/uapi/linux/socket.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/uapi/linux/socket.h b/include/uapi/linux/socket.h
new file mode 100644
index 000000000000..76ab0c68561e
--- /dev/null
+++ b/include/uapi/linux/socket.h
@@ -0,0 +1,21 @@
+#ifndef _UAPI_LINUX_SOCKET_H
+#define _UAPI_LINUX_SOCKET_H
+
+/*
+ * Desired design of maximum size and alignment (see RFC2553)
+ */
+#define _K_SS_MAXSIZE 128 /* Implementation specific max size */
+#define _K_SS_ALIGNSIZE (__alignof__ (struct sockaddr *))
+ /* Implementation specific desired alignment */
+
+typedef unsigned short __kernel_sa_family_t;
+
+struct __kernel_sockaddr_storage {
+ __kernel_sa_family_t ss_family; /* address family */
+ /* Following field(s) are implementation specific */
+ char __data[_K_SS_MAXSIZE - sizeof(unsigned short)];
+ /* space to achieve desired size, */
+ /* _SS_MAXSIZE value minus size of ss_family */
+} __attribute__ ((aligned(_K_SS_ALIGNSIZE))); /* force desired alignment */
+
+#endif /* _UAPI_LINUX_SOCKET_H */