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phunix/include/sys/socket.h
Ben Gras 2fe8fb192f Full switch to clang/ELF. Drop ack. Simplify. 
There is important information about booting non-ack images in
docs/UPDATING. ack/aout-format images can't be built any more, and
booting clang/ELF-format ones is a little different. Updating to the
new boot monitor is recommended.

Changes in this commit:

	. drop boot monitor -> allowing dropping ack support
	. facility to copy ELF boot files to /boot so that old boot monitor
	  can still boot fairly easily, see UPDATING
	. no more ack-format libraries -> single-case libraries
	. some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases
	. drop several ack toolchain commands, but not all support
	  commands (e.g. aal is gone but acksize is not yet).
	. a few libc files moved to netbsd libc dir
	. new /bin/date as minix date used code in libc/
	. test compile fix
	. harmonize includes
	. /usr/lib is no longer special: without ack, /usr/lib plays no
	  kind of special bootstrapping role any more and bootstrapping
	  is done exclusively through packages, so releases depend even
	  less on the state of the machine making them now.
	. rename nbsd_lib* to lib*
	. reduce mtree
2012-02-14 14:52:02 +01:00

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#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 __cmsg_alignbytes(void);
__END_DECLS
__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
#define MSG_OOB 0x0001 /* process out-of-band data */
#define MSG_PEEK 0x0002 /* peek at incoming message */
#define MSG_DONTROUTE 0x0004 /* send without using routing tables */
#define MSG_EOR 0x0008 /* complete record */
#endif /* !_SYS_SOCKET_H_ */
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