31 struct sock {  struct
32 	sockid_t sock_id;		/* socket identifier */  argument
33 	unsigned char sock_events;	/* pending events (SEV_) */  argument
34 	unsigned char sock_flags;	/* internal flags (SFL_) */  argument
35 	unsigned char sock_domain;	/* domain, address family (PF_, AF_) */  argument
36 	int sock_type;			/* type: stream, datagram.. (SOCK_) */  argument
37 	int sock_err;			/* pending error code < 0, 0 if none */  argument
38 	unsigned int sock_opt;		/* generic option flags (SO_) */  argument
39 	clock_t sock_linger;		/* SO_LINGER value, in ticks or time */  argument
40 	clock_t sock_stimeo;		/* SO_SNDTIMEO value, in clock ticks */  argument
41 	clock_t sock_rtimeo;		/* SO_RCVTIMEO value, in clock ticks */  argument
42 	size_t sock_slowat;		/* SO_SNDLOWAT value, in bytes */  argument
43 	size_t sock_rlowat;		/* SO_RCVLOWAT value, in bytes */  argument
44 	const struct sockevent_ops *sock_ops;	/* socket operations table */  argument
48 	struct sockevent_proc *sock_proc;	/* list of suspended calls */  argument
49 	struct sockdriver_select sock_select;	/* pending select query */  argument
50 	unsigned int sock_selops;	/* pending select operations, or 0 */  argument
113 #define sockevent_get_domain(sock)	((int)((sock)->sock_domain))  argument
114 #define sockevent_get_type(sock)	((sock)->sock_type)  argument
115 #define sockevent_get_opt(sock)		((sock)->sock_opt)  argument
116 #define sockevent_is_listening(sock)	(!!((sock)->sock_opt & SO_ACCEPTCONN))  argument
117 #define sockevent_is_shutdown(sock, mask)	((sock)->sock_flags & (mask))  argument
118 #define sockevent_is_closing(sock)	(!!((sock)->sock_flags & SFL_CLOSING))  argument