minix/nbsd_include/sys/socket.h
2011-02-21 13:13:55 +00:00

301 lines
8.9 KiB
C

#ifndef _SYS_SOCKET_H_
#define _SYS_SOCKET_H_
#include <sys/featuretest.h>
/*
* Definitions related to sockets: types, address families, options.
*/
/*
* Data types.
*/
#include <sys/ansi.h>
#ifndef sa_family_t
typedef __sa_family_t sa_family_t;
#define sa_family_t __sa_family_t
#endif
#ifndef socklen_t
typedef __socklen_t socklen_t;
#define socklen_t __socklen_t
#endif
#include <machine/ansi.h>
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
#ifdef _BSD_SSIZE_T_
typedef _BSD_SSIZE_T_ ssize_t;
#undef _BSD_SSIZE_T_
#endif
#include <sys/uio.h>
/*
* Socket types.
*/
#define SOCK_STREAM 1 /* stream socket */
#define SOCK_DGRAM 2 /* datagram socket */
#define SOCK_RAW 3 /* raw-protocol interface */
#define SOCK_RDM 4 /* reliably-delivered message */
#define SOCK_SEQPACKET 5 /* sequenced packet stream */
/*
* Option flags per-socket.
*/
#define SO_DEBUG 0x0001 /* turn on debugging info recording */
#define SO_REUSEADDR 0x0004 /* allow local address reuse */
#define SO_KEEPALIVE 0x0008 /* keep connections alive */
#define SO_TYPE 0x0010 /* get socket type */
#define SO_PASSCRED 0x0012
#define SO_PEERCRED 0x0014
#define SO_SNDBUF 0x1001 /* send buffer size */
#define SO_RCVBUF 0x1002 /* receive buffer size */
#define SO_ERROR 0x1007 /* get error status and clear */
/*
* Level number for (get/set)sockopt() to apply to socket itself.
*/
#define SOL_SOCKET 0xffff /* options for socket level */
/*
* Address families.
*/
#define AF_UNSPEC 0 /* unspecified */
#define AF_LOCAL 1 /* local to host */
#define AF_UNIX AF_LOCAL /* backward compatibility */
#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
#define AF_IMPLINK 3 /* arpanet imp addresses */
#define AF_PUP 4 /* pup protocols: e.g. BSP */
#define AF_CHAOS 5 /* mit CHAOS protocols */
#define AF_NS 6 /* XEROX NS protocols */
#define AF_ISO 7 /* ISO protocols */
#define AF_OSI AF_ISO
#define AF_ECMA 8 /* european computer manufacturers */
#define AF_DATAKIT 9 /* datakit protocols */
#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
#define AF_SNA 11 /* IBM SNA */
#define AF_DECnet 12 /* DECnet */
#define AF_DLI 13 /* DEC Direct data link interface */
#define AF_LAT 14 /* LAT */
#define AF_HYLINK 15 /* NSC Hyperchannel */
#define AF_APPLETALK 16 /* Apple Talk */
#define AF_ROUTE 17 /* Internal Routing Protocol */
#define AF_LINK 18 /* Link layer interface */
#if defined(_NETBSD_SOURCE)
#define pseudo_AF_XTP 19 /* eXpress Transfer Protocol (no AF) */
#endif
#define AF_COIP 20 /* connection-oriented IP, aka ST II */
#define AF_CNT 21 /* Computer Network Technology */
#if defined(_NETBSD_SOURCE)
#define pseudo_AF_RTIP 22 /* Help Identify RTIP packets */
#endif
#define AF_IPX 23 /* Novell Internet Protocol */
#define AF_INET6 24 /* IP version 6 */
#if defined(_NETBSD_SOURCE)
#define pseudo_AF_PIP 25 /* Help Identify PIP packets */
#endif
#define AF_ISDN 26 /* Integrated Services Digital Network*/
#define AF_E164 AF_ISDN /* CCITT E.164 recommendation */
#define AF_NATM 27 /* native ATM access */
#define AF_ARP 28 /* (rev.) addr. res. prot. (RFC 826) */
#if defined(_NETBSD_SOURCE)
#define pseudo_AF_KEY 29 /* Internal key management protocol */
#define pseudo_AF_HDRCMPLT 30 /* Used by BPF to not rewrite hdrs
in interface output routine */
#endif
#define AF_BLUETOOTH 31 /* Bluetooth: HCI, SCO, L2CAP, RFCOMM */
#define AF_IEEE80211 32 /* IEEE80211 */
#define AF_MAX 33
#ifndef gid_t
typedef __gid_t gid_t; /* group id */
#define gid_t __gid_t
#endif
#ifndef uid_t
typedef __uid_t uid_t; /* user id */
#define uid_t __uid_t
#endif
#include <sys/ucred.h>
/*
* Structure used by kernel to store most
* addresses.
*/
struct sockaddr
{
sa_family_t sa_family;
char sa_data[8]; /* Big enough for sockaddr_in */
};
/*
* RFC 2553: protocol-independent placeholder for socket addresses
*/
#define _SS_MAXSIZE 128
#define _SS_ALIGNSIZE (sizeof(__int64_t))
#define _SS_PAD1SIZE (_SS_ALIGNSIZE - 1)
#define _SS_PAD2SIZE (_SS_MAXSIZE - 1 - \
_SS_PAD1SIZE - _SS_ALIGNSIZE)
#if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
struct sockaddr_storage {
sa_family_t ss_family; /* address family */
char __ss_pad1[_SS_PAD1SIZE];
__int64_t __ss_align;/* force desired structure storage alignment */
char __ss_pad2[_SS_PAD2SIZE];
};
#define sstosa(__ss) ((struct sockaddr *)(__ss))
#define sstocsa(__ss) ((const struct sockaddr *)(__ss))
#endif /* _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
/*
* Protocol families, same as address families for now.
*/
#define PF_UNSPEC AF_UNSPEC
#define PF_LOCAL AF_LOCAL
#define PF_UNIX PF_LOCAL /* backward compatibility */
#define PF_FILE PF_LOCAL /* Minix compatibility */
#define PF_INET AF_INET
#define PF_IMPLINK AF_IMPLINK
#define PF_PUP AF_PUP
#define PF_CHAOS AF_CHAOS
#define PF_NS AF_NS
#define PF_ISO AF_ISO
#define PF_OSI AF_ISO
#define PF_ECMA AF_ECMA
#define PF_DATAKIT AF_DATAKIT
#define PF_CCITT AF_CCITT
#define PF_SNA AF_SNA
#define PF_DECnet AF_DECnet
#define PF_DLI AF_DLI
#define PF_LAT AF_LAT
#define PF_HYLINK AF_HYLINK
#define PF_APPLETALK AF_APPLETALK
#define PF_ROUTE AF_ROUTE
#define PF_LINK AF_LINK
#if defined(_NETBSD_SOURCE)
#define PF_XTP pseudo_AF_XTP /* really just proto family, no AF */
#endif
#define PF_COIP AF_COIP
#define PF_CNT AF_CNT
#define PF_INET6 AF_INET6
#define PF_IPX AF_IPX /* same format as AF_NS */
#if defined(_NETBSD_SOURCE)
#define PF_RTIP pseudo_AF_RTIP /* same format as AF_INET */
#define PF_PIP pseudo_AF_PIP
#endif
#define PF_ISDN AF_ISDN /* same as E164 */
#define PF_E164 AF_E164
#define PF_NATM AF_NATM
#define PF_ARP AF_ARP
#if defined(_NETBSD_SOURCE)
#define PF_KEY pseudo_AF_KEY /* like PF_ROUTE, only for key mgmt */
#endif
#define PF_BLUETOOTH AF_BLUETOOTH
#define PF_MAX AF_MAX
/*
* Message header for recvmsg and sendmsg calls.
* Used value-result for recvmsg, value only for sendmsg.
*/
struct msghdr {
void *msg_name; /* optional address */
socklen_t msg_namelen; /* size of address */
struct iovec *msg_iov; /* scatter/gather array */
int msg_iovlen; /* # elements in msg_iov */
void *msg_control; /* ancillary data, see below */
socklen_t msg_controllen; /* ancillary data buffer len */
int msg_flags; /* flags on received message */
};
/*
* Header for ancillary data objects in msg_control buffer.
* Used for additional information with/about a datagram
* not expressible by flags. The format is a sequence
* of message elements headed by cmsghdr structures.
*/
struct cmsghdr {
socklen_t cmsg_len; /* data byte count, including hdr */
int cmsg_level; /* originating protocol */
int cmsg_type; /* protocol-specific type */
/* followed by u_char cmsg_data[]; */
};
#define CMSG_FIRSTHDR(mhdr) \
( (mhdr)->msg_controllen >= sizeof(struct cmsghdr) ? \
(struct cmsghdr *)(mhdr)->msg_control : \
(struct cmsghdr *)NULL )
#define CMSG_ALIGN(len) \
( (len % sizeof(long) == 0) ? \
len : \
len + sizeof(long) - (len % sizeof(long)) )
#define CMSG_NXTHDR(mhdr, cmsg) \
( ((cmsg) == NULL) ? CMSG_FIRSTHDR(mhdr) : \
(((unsigned char *)(cmsg) + CMSG_ALIGN((cmsg)->cmsg_len) \
+ CMSG_ALIGN(sizeof(struct cmsghdr)) > \
(unsigned char *)((mhdr)->msg_control) + \
(mhdr)->msg_controllen) ? \
(struct cmsghdr *)NULL : \
(struct cmsghdr *)((unsigned char *)(cmsg) + \
CMSG_ALIGN((cmsg)->cmsg_len))) )
#define CMSG_DATA(cmsg) \
( (unsigned char *)(cmsg) + CMSG_ALIGN(sizeof(struct cmsghdr)) )
#define CMSG_SPACE(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l))
#define CMSG_LEN(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l))
/* "Socket"-level control message types: */
#define SCM_RIGHTS 0x01
#define SCM_CREDENTIALS 0x02
#define SCM_SECURITY 0x04
/*
* Types of socket shutdown(2).
*/
#define SHUT_RD 0 /* Disallow further receives. */
#define SHUT_WR 1 /* Disallow further sends. */
#define SHUT_RDWR 2 /* Disallow further sends/receives. */
#include <sys/cdefs.h>
__BEGIN_DECLS
int accept(int, struct sockaddr * __restrict, socklen_t * __restrict);
int bind(int, const struct sockaddr *, socklen_t);
int connect(int, const struct sockaddr *, socklen_t);
int getpeername(int, struct sockaddr * __restrict, socklen_t * __restrict);
int getsockname(int, struct sockaddr * __restrict, socklen_t * __restrict);
int getsockopt(int, int, int, void *__restrict, socklen_t * __restrict);
int listen(int, int);
ssize_t recv(int, void *, size_t, int);
ssize_t recvfrom(int, void *__restrict, size_t, int,
struct sockaddr * __restrict, socklen_t * __restrict);
ssize_t recvmsg(int, struct msghdr *, int);
ssize_t send(int, const void *, size_t, int);
ssize_t sendto(int, const void *,
size_t, int, const struct sockaddr *, socklen_t);
ssize_t sendmsg(int, const struct msghdr *, int);
int setsockopt(int, int, int, const void *, socklen_t);
int shutdown(int, int);
int sockatmark(int);
int socket(int, int, int);
int socketpair(int, int, int, int *);
__END_DECLS
#endif /* !_SYS_SOCKET_H_ */