116 struct socket {  struct
123 	struct	socket *so_head;	/* back pointer to accept socket */  argument
130 	TAILQ_HEAD(, socket) so_incomp;	/* in-progress, incomplete */  argument
131 	TAILQ_HEAD(, socket) so_comp;	/* completed but not yet accepted */
132 	TAILQ_ENTRY(socket) so_list;	/* list of unaccepted connections */
150 	void	(*so_upcall) (struct socket *, void *, int);  argument
209 	struct	socket *xso_so;	/* makes a convenient handle sometimes */
367 		(struct socket *so, void *arg, int waitflag);
369 		(struct socket *so, char *arg);
371 		(struct socket *so);
416 void	ssb_release (struct signalsockbuf *ssb, struct socket *so);
417 int	ssb_reserve (struct signalsockbuf *ssb, u_long cc, struct socket *so,
423 void	soabort_async (struct socket *so, boolean_t clr_head);
424 void	soabort_direct (struct socket *so);
425 int	soaccept (struct socket *so, struct sockaddr **nam);
426 void	soaccept_generic (struct socket *so);
427 struct	socket *soalloc (int waitok, struct protosw *);
428 int	sobind (struct socket *so, struct sockaddr *nam, struct thread *td);
429 void	socantrcvmore (struct socket *so);
430 void	socantsendmore (struct socket *so);
431 void	soroverflow(struct socket *so);
432 int	socket_wait (struct socket *so, struct timespec *ts, int *res);
433 int	soclose (struct socket *so, int fflags);
434 int	soconnect (struct socket *so, struct sockaddr *nam, struct thread *td,
436 int	soconnect2 (struct socket *so1, struct socket *so2, struct ucred *cred);
437 int	socreate (int dom, struct socket **aso, int type, int proto,
439 int	sodisconnect (struct socket *so);
440 void	sodiscard (struct socket *so);
441 void	sofree (struct socket *so);
442 int	sogetopt (struct socket *so, struct sockopt *sopt);
443 void	sohasoutofband (struct socket *so);
444 void	soisconnected (struct socket *so);
445 void	soisconnecting (struct socket *so);
446 void	soisdisconnected (struct socket *so);
447 void	soisdisconnecting (struct socket *so);
448 void	soisreconnected (struct socket *so);
449 void	soisreconnecting (struct socket *so);
450 void	sosetport (struct socket *so, struct lwkt_port *port);
451 int	solisten (struct socket *so, int backlog, struct thread *td);
452 struct socket *sonewconn (struct socket *head, int connstatus);
453 struct socket *sonewconn_faddr (struct socket *head, int connstatus,
455 void	soinherit(struct socket *so, struct socket *so_inh);
470 int	soreceive (struct socket *so, struct sockaddr **paddr,
473 int	sorecvtcp (struct socket *so, struct sockaddr **paddr,
476 int	soreserve (struct socket *so, u_long sndcc, u_long rcvcc,
478 void	sorflush (struct socket *so);
479 int	sosend (struct socket *so, struct sockaddr *addr, struct uio *uio,
482 int	sosendudp (struct socket *so, struct sockaddr *addr, struct uio *uio,
485 int	sosendtcp (struct socket *so, struct sockaddr *addr, struct uio *uio,
488 int	sosetopt (struct socket *so, struct sockopt *sopt);
489 int	soshutdown (struct socket *so, int how);
490 void	sotoxsocket (struct socket *so, struct xsocket *xso);
491 void	sowakeup (struct socket *so, struct signalsockbuf *sb);