diff options
| author | Tony Lindgren <tony@atomide.com> | 2019-09-23 10:38:20 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2019-09-23 10:38:20 -0700 |
| commit | c01f5120ca7cf2994336c42b8a9cae697121ffb3 (patch) | |
| tree | d0ac4ed8e3bc4c11203f31b984d300b0f4127978 /include/uapi/linux/socket.h | |
| parent | a4c8723a162e6244fb01944fbf446750575dba59 (diff) | |
| parent | f1f028ff89cb0d37db299d48e7b2ce19be040d52 (diff) | |
Merge branch 'fixes-merge-window-pt2' into fixes
Diffstat (limited to 'include/uapi/linux/socket.h')
| -rw-r--r-- | include/uapi/linux/socket.h | 19 |
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 */ |
