Differential D15706 Diff 43472 head/sys/sys/socketvar.h

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head/sys/sys/socketvar.h

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/*		/*
* Kernel structure per socket.		* Kernel structure per socket.
* Contains send and receive buffer queues,		* Contains send and receive buffer queues,
* handle on protocol and pointer to protocol		* handle on protocol and pointer to protocol
* private data and error information.		* private data and error information.
*/		*/
typedef int so_upcall_t(struct socket , void , int);		typedef int so_upcall_t(struct socket , void , int);
		typedef void so_dtor_t(struct socket *);

struct socket;		struct socket;

/*-		/*-
* Locking key to struct socket:		* Locking key to struct socket:
* (a) constant after allocation, no locking required.		* (a) constant after allocation, no locking required.
* (b) locked by SOCK_LOCK(so).		* (b) locked by SOCK_LOCK(so).
* (cr) locked by SOCKBUF_LOCK(&so->so_rcv).		* (cr) locked by SOCKBUF_LOCK(&so->so_rcv).
Show All 20 Lines	struct socket {
u_short so_error; /* (f) error affecting connection */		u_short so_error; /* (f) error affecting connection */
struct sigio so_sigio; / [sg] information for async I/O or		struct sigio so_sigio; / [sg] information for async I/O or
out of band data (SIGURG) */		out of band data (SIGURG) */
struct ucred so_cred; / (a) user credentials */		struct ucred so_cred; / (a) user credentials */
struct label so_label; / (b) MAC label for socket */		struct label so_label; / (b) MAC label for socket */
/* NB: generation count must not be first. */		/* NB: generation count must not be first. */
so_gen_t so_gencnt; /* (h) generation count */		so_gen_t so_gencnt; /* (h) generation count */
void so_emuldata; / (b) private data for emulators */		void so_emuldata; / (b) private data for emulators */
		so_dtor_t so_dtor; / (b) optional destructor */
struct osd osd; /* Object Specific extensions */		struct osd osd; /* Object Specific extensions */
/*		/*
* so_fibnum, so_user_cookie and friends can be used to attach		* so_fibnum, so_user_cookie and friends can be used to attach
* some user-specified metadata to a socket, which then can be		* some user-specified metadata to a socket, which then can be
* used by the kernel for various actions.		* used by the kernel for various actions.
* so_user_cookie is used by ipfw/dummynet.		* so_user_cookie is used by ipfw/dummynet.
*/		*/
int so_fibnum; /* routing domain for this socket */		int so_fibnum; /* routing domain for this socket */
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int soclose(struct socket *so);		int soclose(struct socket *so);
int soconnect(struct socket so, struct sockaddr nam, struct thread *td);		int soconnect(struct socket so, struct sockaddr nam, struct thread *td);
int soconnectat(int fd, struct socket so, struct sockaddr nam,		int soconnectat(int fd, struct socket so, struct sockaddr nam,
struct thread *td);		struct thread *td);
int soconnect2(struct socket so1, struct socket so2);		int soconnect2(struct socket so1, struct socket so2);
int socreate(int dom, struct socket **aso, int type, int proto,		int socreate(int dom, struct socket **aso, int type, int proto,
struct ucred cred, struct thread td);		struct ucred cred, struct thread td);
int sodisconnect(struct socket *so);		int sodisconnect(struct socket *so);
		void sodtor_set(struct socket , so_dtor_t );
struct sockaddr sodupsockaddr(const struct sockaddr sa, int mflags);		struct sockaddr sodupsockaddr(const struct sockaddr sa, int mflags);
void sofree(struct socket *so);		void sofree(struct socket *so);
void sohasoutofband(struct socket *so);		void sohasoutofband(struct socket *so);
int solisten(struct socket so, int backlog, struct thread td);		int solisten(struct socket so, int backlog, struct thread td);
void solisten_proto(struct socket *so, int backlog);		void solisten_proto(struct socket *so, int backlog);
int solisten_proto_check(struct socket *so);		int solisten_proto_check(struct socket *so);
int solisten_dequeue(struct socket , struct socket *, int);		int solisten_dequeue(struct socket , struct socket *, int);
struct socket *		struct socket *
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