summaryrefslogtreecommitdiff
path: root/include/uapi/linux/socket.h
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2019-08-07 04:44:57 +0300
committerDavid S. Miller <davem@davemloft.net>2019-08-07 04:44:57 +0300
commit13dfb3fa494361ea9a5950f27c9cd8b06d28c04f (patch)
tree1bf30874f57c6c6b21160a10282191fcd0868055 /include/uapi/linux/socket.h
parent05bb520376af2c5146d3c44832c22ec3bb54d778 (diff)
parent33920f1ec5bf47c5c0a1d2113989bdd9dfb3fae9 (diff)
downloadlinux-13dfb3fa494361ea9a5950f27c9cd8b06d28c04f.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Just minor overlapping changes in the conflicts here. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi/linux/socket.h')
-rw-r--r--include/uapi/linux/socket.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/include/uapi/linux/socket.h b/include/uapi/linux/socket.h
index 8eb96021709c..c3409c8ec0dd 100644
--- a/include/uapi/linux/socket.h
+++ b/include/uapi/linux/socket.h
@@ -6,17 +6,24 @@
* 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;
+/*
+ * The definition uses anonymous union and struct in order to control the
+ * default alignment.
+ */
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)];
+ union {
+ struct {
+ __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 */
+ };
+ void *__align; /* implementation specific desired alignment */
+ };
+};
#endif /* _UAPI_LINUX_SOCKET_H */