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31 * @(#)socketvar.h 8.3 (Berkeley) 2/19/95
35 #ifndef _SYS_SOCKOPT_H_
36 #define _SYS_SOCKOPT_H_
39 #error "no user-serviceable parts inside"
46 * Argument structure for sosetopt et seq. This is in the KERNEL
47 * section because it will never be visible to user code.
49 enum sopt_dir { SOPT_GET, SOPT_SET };
52 enum sopt_dir sopt_dir; /* is this a get or a set? */
53 int sopt_level; /* second arg of [gs]etsockopt */
54 int sopt_name; /* third arg of [gs]etsockopt */
55 void *sopt_val; /* fourth arg of [gs]etsockopt */
56 size_t sopt_valsize; /* (almost) fifth arg of [gs]etsockopt */
57 struct thread *sopt_td; /* calling thread or null if kernel */
60 int sosetopt(struct socket *so, struct sockopt *sopt);
61 int sogetopt(struct socket *so, struct sockopt *sopt);
62 int sooptcopyin(struct sockopt *sopt, void *buf, size_t len, size_t minlen);
63 int sooptcopyout(struct sockopt *sopt, const void *buf, size_t len);
64 int soopt_getm(struct sockopt *sopt, struct mbuf **mp);
65 int soopt_mcopyin(struct sockopt *sopt, struct mbuf *m);
66 int soopt_mcopyout(struct sockopt *sopt, struct mbuf *m);
67 int accept_filt_getopt(struct socket *, struct sockopt *);
68 int accept_filt_setopt(struct socket *, struct sockopt *);
69 int so_setsockopt(struct socket *so, int level, int optname,
70 void *optval, size_t optlen);
72 #endif /* _SYS_SOCKOPT_H_ */