sys/sys/socketvar.h

53  * Kernel structure per socket.
60 struct socket;
63  * Locking key to struct socket:
72 struct socket {
74 	short	so_type;		/* (a) generic type, see socket.h */
75 	short	so_options;		/* from socket call, see socket.h */
85  * If so_head is 0, socket is not related to an accept.
86  * For head socket so_incomp queues partially completed connections,
91  * and limit on number of queued connections for this socket.
93 	struct	socket *so_head;	/* (e) back pointer to listen socket */
94 	TAILQ_HEAD(, socket) so_incomp;	/* (e) queue of partial unaccepted connections */
95 	TAILQ_HEAD(, socket) so_comp;	/* (e) queue of complete unaccepted connections */
96 	TAILQ_ENTRY(socket) so_list;	/* (e) list of unaccepted connections */
110 	struct	label *so_label;	/* (b) MAC label for socket */
123 	 * some user-specified metadata to a socket, which then can be
127 	int so_fibnum;		/* routing domain for this socket */
149  * Per-socket mutex: we reuse the receive socket buffer mutex for space
151  * locking for the socket code.
166  * Externalized form of struct socket used by the sysctl(3) interface.
170 	struct	socket *xso_so;	/* makes a convenient handle sometimes */
192  * Macros for sockets and socket buffering.
208 /* do we have to send all at once on a socket? */
228  * soref()/sorele() ref-count the socket structure.  Note that you must
229  * still explicitly close the socket, but the last ref count will free
251  * In sorwakeup() and sowwakeup(), acquire the socket buffer lock to
287 		(struct socket *so, void *arg, int waitflag);
289 		(struct socket *so, char *arg);
291 		(struct socket *so);
315 	struct socket	*so;
333 /* 'which' values for socket upcalls. */
337 /* Return values for socket upcalls. */
347 void	soabort(struct socket *so);
348 int	soaccept(struct socket *so, struct sockaddr **nam);
352 int	socheckuid(struct socket *so, uid_t uid);
353 int	sobind(struct socket *so, struct sockaddr *nam, struct thread *td);
354 int	sobindat(int fd, struct socket *so, struct sockaddr *nam,
356 int	soclose(struct socket *so);
357 int	soconnect(struct socket *so, struct sockaddr *nam, struct thread *td);
358 int	soconnectat(int fd, struct socket *so, struct sockaddr *nam,
360 int	soconnect2(struct socket *so1, struct socket *so2);
361 int	socreate(int dom, struct socket **aso, int type, int proto,
363 int	sodisconnect(struct socket *so);
365 void	sofree(struct socket *so);
366 void	sohasoutofband(struct socket *so);
367 int	solisten(struct socket *so, int backlog, struct thread *td);
368 void	solisten_proto(struct socket *so, int backlog);
369 int	solisten_proto_check(struct socket *so);
370 struct socket *
371 	sonewconn(struct socket *head, int connstatus);
374 int	sopoll(struct socket *so, int events, struct ucred *active_cred,
376 int	sopoll_generic(struct socket *so, int events,
378 int	soreceive(struct socket *so, struct sockaddr **paddr, struct uio *uio,
380 int	soreceive_stream(struct socket *so, struct sockaddr **paddr,
383 int	soreceive_dgram(struct socket *so, struct sockaddr **paddr,
386 int	soreceive_generic(struct socket *so, struct sockaddr **paddr,
389 int	soreserve(struct socket *so, u_long sndcc, u_long rcvcc);
390 void	sorflush(struct socket *so);
391 int	sosend(struct socket *so, struct sockaddr *addr, struct uio *uio,
394 int	sosend_dgram(struct socket *so, struct sockaddr *addr,
397 int	sosend_generic(struct socket *so, struct sockaddr *addr,
400 int	soshutdown(struct socket *so, int how);
401 void	sotoxsocket(struct socket *so, struct xsocket *xso);
402 void	soupcall_clear(struct socket *so, int which);
403 void	soupcall_set(struct socket *so, int which,
404 	    int (*func)(struct socket *, void *, int), void *arg);
405 void	sowakeup(struct socket *so, struct sockbuf *sb);
406 void	sowakeup_aio(struct socket *so, struct sockbuf *sb);
407 int	selsocket(struct socket *so, int events, struct timeval *tv,