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- #ifndef _SYS_SOCKET_H
- #define _SYS_SOCKET_H
- #include <features.h>
- #include <errno.h>
- #include <sys/types.h>
- #include <linux/socket.h>
- #ifdef _MIT_POSIX_THREADS
- #include <pthread/mit/posix.h>
- #endif
- __BEGIN_DECLS
- /* struct msghdr is not defined in linux 1.2. This will allow sendmsg
- and recvmsg in libc 5.2.9 to compile under 1.2.x and shouldn't cause
- any problem for 1.3.x */
- struct msghdr;
- /* Create a new socket of type TYPE in domain DOMAIN, using
- protocol PROTOCOL. If PROTOCOL is zero, one is chosen
- automatically. Returns a file descriptor for the new socket,
- or -1 for errors. */
- int socket __P ((int __family, int __type, int __protocol));
- /* Create two new sockets, of type TYPE in domain DOMAIN and using
- protocol PROTOCOL, which are connected to each other, and put file
- descriptors for them in FDS[0] and FDS[1]. If PROTOCOL is zero,
- one will be chosen automatically. Returns 0 on success, -1
- for errors. */
- int socketpair __P ((int __family, int __type, int __protocol,
- int __sockvec[2]));
- /* Give the socket FD the local address ADDR (which is LEN bytes
- long). */
- int bind __P ((int __sockfd, __const struct sockaddr *__my_addr,
- int __addrlen));
- /* Open a connection on socket FD to peer at ADDR (which LEN bytes
- long). For connectionless socket types, just set the default
- address to send to and the only address from which to accept
- transmissions. Return 0 on success, -1 for errors. */
- int connect __P ((int __sockfd, __const struct sockaddr *__serv_addr,
- int __addrlen));
- /* Prepare to accept connections on socket FD.
- N connection requests will be queued before further requests are
- refused. Returns 0 on success, -1 for errors. */
- int listen __P ((int __sockfd, int __n));
- /* Await a connection on socket FD.
- When a connection arrives, open a new socket to communicate with it,
- set *ADDR (which is *ADDR_LEN bytes long) to the address of the
- connecting peer and *ADDR_LEN to the address's actual length, and
- return the new socket's descriptor, or -1 for errors. */
- int accept __P ((int __sockfd, __const struct sockaddr *__peer,
- int *__paddrlen));
- /* Put the current value for socket FD's option OPTNAME at protocol
- level LEVEL into OPTVAL (which is *OPTLEN bytes long), and set
- *OPTLEN to the value's actual length. Returns 0 on success, -1 for
- errors. */
- int getsockopt __P ((int __s, int __level, int __optname,
- void *__optval, int *__optlen));
- /* Set socket FD's option OPTNAME at protocol level LEVEL
- to *OPTVAL (which is OPTLEN bytes long).
- Returns 0 on success, -1 for errors. */
- int setsockopt __P ((int __s, int __level, int __optname,
- __const void *__optval, int optlen));
- /* Put the local address of FD into *ADDR and its length in *LEN. */
- int getsockname __P ((int __sockfd, struct sockaddr *__addr,
- int *__paddrlen));
- /* Put the address of the peer connected to socket FD into *ADDR
- (which is *LEN bytes long), and its actual length into *LEN. */
- int getpeername __P ((int __sockfd, struct sockaddr *__peer,
- int *__paddrlen));
- /* Send N bytes of BUF to socket FD. Returns the number sent or -1. */
- int send __P ((int __sockfd, __const void *__buff, size_t __len,
- unsigned int __flags));
- /* Read N bytes into BUF from socket FD.
- Returns the number read or -1 for errors. */
- int recv __P ((int __sockfd, void *__buff, size_t __len,
- unsigned int __flags));
- /* Send N bytes of BUF on socket FD to peer at address ADDR (which is
- ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
- int sendto __P ((int __sockfd, __const void *__buff, size_t __len,
- unsigned int __flags, __const struct sockaddr *__to,
- int __tolen));
- /* Read N bytes into BUF through socket FD.
- If ADDR is not NULL, fill in *ADDR_LEN bytes of it with tha address
- of the sender, and store the actual size of the address in
- *ADDR_LEN. Returns the number of bytes read or -1 for errors. */
- int recvfrom __P ((int __sockfd, void *__buff, size_t __len,
- unsigned int __flags, struct sockaddr *__from,
- int *__fromlen));
- /* Send a message described MESSAGE on socket FD.
- Returns the number of bytes sent, or -1 for errors. */
- extern int sendmsg __P ((int __fd, __const struct msghdr *__message,
- unsigned int __flags));
- /* Receive a message as described by MESSAGE from socket FD.
- Returns the number of bytes read or -1 for errors. */
- extern int recvmsg __P ((int __fd, struct msghdr *__message,
- unsigned int __flags));
-
- /* Shut down all or part of the connection open on socket FD.
- HOW determines what to shut down:
- 0 = No more receptions;
- 1 = No more transmissions;
- 2 = No more receptions or transmissions.
- Returns 0 on success, -1 for errors. */
- int shutdown __P ((int __sockfd, int __how));
- /* belongs here or elsewhere? */
- int rcmd __P ((char **__ahost, unsigned short __inport,
- __const char *__locuser, __const char *__remuser,
- __const char *__cmd, int *__fd2p));
- int rresvport __P ((int *__port));
- int ruserok __P ((__const char *__rhost, int __superuser,
- __const char *__ruser, __const char *__luser));
- int rexec __P ((char **__ahost, int __inport, __const char *__user,
- __const char *__passwd, __const char *__cmd,
- int *__fd2p));
- __END_DECLS
- #endif /* _SYS_SOCKET_H */
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