| 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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| 2 | #ifndef _LINUX_SOCKET_H |
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| 3 | #define _LINUX_SOCKET_H |
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| 4 | |
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| 5 | /* |
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| 6 | * Desired design of maximum size and alignment (see RFC2553) |
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| 7 | */ |
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| 8 | #define _K_SS_MAXSIZE 128 /* Implementation specific max size */ |
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| 9 | |
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| 10 | typedef unsigned short __kernel_sa_family_t; |
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| 11 | |
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| 12 | /* |
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| 13 | * The definition uses anonymous union and struct in order to control the |
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| 14 | * default alignment. |
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| 15 | */ |
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| 16 | struct __kernel_sockaddr_storage { |
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| 17 | union { |
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| 18 | struct { |
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| 19 | __kernel_sa_family_t ss_family; /* address family */ |
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| 20 | /* Following field(s) are implementation specific */ |
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| 21 | char __data[_K_SS_MAXSIZE - sizeof(unsigned short)]; |
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| 22 | /* space to achieve desired size, */ |
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| 23 | /* _SS_MAXSIZE value minus size of ss_family */ |
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| 24 | }; |
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| 25 | void *__align; /* implementation specific desired alignment */ |
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| 26 | }; |
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| 27 | }; |
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| 28 | |
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| 29 | #define SOCK_SNDBUF_LOCK 1 |
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| 30 | #define SOCK_RCVBUF_LOCK 2 |
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| 31 | |
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| 32 | #define SOCK_BUF_LOCK_MASK (SOCK_SNDBUF_LOCK | SOCK_RCVBUF_LOCK) |
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| 33 | |
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| 34 | #endif /* _LINUX_SOCKET_H */ |
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| 35 | |
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