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/* cygwin/socket.h
Copyright 1999, 2000, 2001, 2005, 2006, 2007 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifndef _CYGWIN_SOCKET_H
#define _CYGWIN_SOCKET_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <stdint.h>
/* Not unsigned for backward compatibility. Keep #define for backward
compatibility. */
#ifndef socklen_t
typedef int socklen_t;
#define socklen_t socklen_t
#endif
typedef uint16_t sa_family_t;
struct sockaddr {
sa_family_t sa_family; /* address family, AF_xxx */
char sa_data[14]; /* 14 bytes of protocol address */
};
/* Definition of sockaddr_storage according to SUSv3. */
#define _SS_MAXSIZE 128 /* Maximum size. */
#define _SS_ALIGNSIZE (sizeof (int64_t))/* Desired alignment. */
#define _SS_PAD1SIZE (_SS_ALIGNSIZE - sizeof (sa_family_t))
#define _SS_PAD2SIZE (_SS_MAXSIZE - (sizeof (sa_family_t) \
+ _SS_PAD1SIZE + _SS_ALIGNSIZE))
struct sockaddr_storage {
sa_family_t ss_family;
char _ss_pad1[_SS_PAD1SIZE];
int64_t __ss_align;
char _ss_pad2[_SS_PAD2SIZE];
};
#include <asm/socket.h> /* arch-dependent defines */
#include <cygwin/sockios.h> /* the SIOCxxx I/O controls */
#include <sys/uio.h> /* iovec support */
#include <sys/types.h>
struct ucred {
pid_t pid;
__uid32_t uid;
__gid32_t gid;
};
struct linger {
unsigned short l_onoff; /* Linger active */
unsigned short l_linger; /* How long to linger for */
};
struct msghdr
{
void * msg_name; /* Socket name */
socklen_t msg_namelen; /* Length of name */
struct iovec * msg_iov; /* Data blocks */
int msg_iovlen; /* Number of blocks */
void * msg_control; /* Ancillary data */
socklen_t msg_controllen; /* Ancillary data buffer length */
int msg_flags; /* Received flags on recvmsg */
};
struct cmsghdr
{
socklen_t cmsg_len; /* Length of cmsghdr + data */
int cmsg_level; /* Protocol */
int cmsg_type; /* Protocol type */
};
#define CMSG_ALIGN(len) \
(((len) + sizeof (size_t) - 1) & ~(sizeof (size_t) - 1))
#define CMSG_LEN(len) \
(CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
#define CMSG_SPACE(len) \
(CMSG_ALIGN (sizeof (struct cmsghdr)) + CMSG_ALIGN(len))
#define CMSG_FIRSTHDR(mhdr) \
({ \
struct msghdr *_m = (struct msghdr *) mhdr; \
(unsigned) (_m)->msg_controllen >= sizeof (struct cmsghdr) \
? (struct cmsghdr *) (_m)->msg_control \
: (struct cmsghdr *) NULL; \
})
#define CMSG_NXTHDR(mhdr,cmsg) \
({ \
struct msghdr *_m = (struct msghdr *) mhdr; \
struct cmsghdr *_c = (struct cmsghdr *) cmsg; \
((char *) _c + CMSG_SPACE (_c->cmsg_len) \
> (char *) _m->msg_control + _m->msg_controllen) \
? (struct cmsghdr *) NULL \
: (struct cmsghdr *) ((char *) _c + CMSG_ALIGN (_c->cmsg_len)); \
})
#define CMSG_DATA(cmsg) \
((unsigned char *) ((struct cmsghdr *)(cmsg) + 1))
/* "Socket"-level control message types: */
#define SCM_RIGHTS 0x01 /* access rights (array of int) */
#ifdef __INSIDE_CYGWIN__
/* Definition of struct msghdr up to release 1.5.18 */
struct OLD_msghdr
{
void * msg_name; /* Socket name */
int msg_namelen; /* Length of name */
struct iovec * msg_iov; /* Data blocks */
int msg_iovlen; /* Number of blocks */
void * msg_accrights; /* Per protocol magic */
/* (eg BSD descriptor passing) */
int msg_accrightslen; /* Length of rights list */
};
#endif
/* Socket types. */
#define SOCK_STREAM 1 /* stream (connection) socket */
#define SOCK_DGRAM 2 /* datagram (conn.less) socket */
#define SOCK_RAW 3 /* raw socket */
#define SOCK_RDM 4 /* reliably-delivered message */
#define SOCK_SEQPACKET 5 /* sequential packet socket */
/* Supported address families. */
/*
* Address families.
*/
#define AF_UNSPEC 0 /* unspecified */
#define AF_UNIX 1 /* local to host (pipes, portals) */
#define AF_LOCAL 1 /* POSIX name for AF_UNIX */
#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 /* OSI is 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 /* Direct data link interface */
#define AF_LAT 14 /* LAT */
#define AF_HYLINK 15 /* NSC Hyperchannel */
#define AF_APPLETALK 16 /* AppleTalk */
#define AF_NETBIOS 17 /* NetBios-style addresses */
#define AF_INET6 23 /* IP version 6 */
#define AF_MAX 32
/*
* Protocol families, same as address families for now.
*/
#define PF_UNSPEC AF_UNSPEC
#define PF_UNIX AF_UNIX
#define PF_LOCAL AF_LOCAL
#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_OSI
#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_NETBIOS AF_NETBIOS
#define PF_INET6 AF_INET6
#define PF_MAX AF_MAX
/* Maximum queue length specificable by listen. */
#define SOMAXCONN 0x7fffffff
/* Flags we can use with send/ and recv. */
#define MSG_OOB 0x1 /* process out-of-band data */
#define MSG_PEEK 0x2 /* peek at incoming message */
#define MSG_DONTROUTE 0x4 /* send without using routing tables */
#define MSG_WAITALL 0x8 /* wait for all requested bytes */
#define MSG_NOSIGNAL 0x20 /* Don't raise SIGPIPE */
#define MSG_TRUNC 0x0100 /* Normal data truncated */
#define MSG_CTRUNC 0x0200 /* Control data truncated */
/* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
#define SOL_IP 0
#define SOL_IPX 256
#define SOL_AX25 257
#define SOL_ATALK 258
#define SOL_NETROM 259
#define SOL_TCP 6
#define SOL_UDP 17
/* IP options */
#ifndef IPTOS_LOWDELAY
#define IPTOS_LOWDELAY 0x10
#define IPTOS_THROUGHPUT 0x08
#define IPTOS_RELIABILITY 0x04
#endif
/* These need to appear somewhere around here */
#define IP_DEFAULT_MULTICAST_TTL 1
#define IP_DEFAULT_MULTICAST_LOOP 1
#define IP_MAX_MEMBERSHIPS 20
/* IP options for use with getsockopt/setsockopt */
#define IP_OPTIONS 1
#define IP_HDRINCL 2
#define IP_TOS 3
#define IP_TTL 4
#define IP_MULTICAST_IF 9
#define IP_MULTICAST_TTL 10
#define IP_MULTICAST_LOOP 11
#define IP_ADD_MEMBERSHIP 12
#define IP_DROP_MEMBERSHIP 13
#define IP_DONTFRAGMENT 14
#define IP_ADD_SOURCE_MEMBERSHIP 15
#define IP_DROP_SOURCE_MEMBERSHIP 16
#define IP_BLOCK_SOURCE 17
#define IP_UNBLOCK_SOURCE 18
#define IP_PKTINFO 19
/* IPv6 options for use with getsockopt/setsockopt */
#define IPV6_HOPOPTS 1
#define IPV6_UNICAST_HOPS 4
#define IPV6_MULTICAST_IF 9
#define IPV6_MULTICAST_HOPS 10
#define IPV6_MULTICAST_LOOP 11
#define IPV6_ADD_MEMBERSHIP 12
#define IPV6_DROP_MEMBERSHIP 13
#define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP
#define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP
#define IPV6_DONTFRAG 14
#define IPV6_PKTINFO 19
#define IPV6_HOPLIMIT 21
#define IPV6_CHECKSUM 26
#define IPV6_V6ONLY 27
#define IPV6_RTHDR 32
#define IPV6_RECVRTHDR 38
/* IP agnostic options for use with getsockopt/setsockopt */
#define MCAST_JOIN_GROUP 41
#define MCAST_LEAVE_GROUP 42
#define MCAST_BLOCK_SOURCE 43
#define MCAST_UNBLOCK_SOURCE 44
#define MCAST_JOIN_SOURCE_GROUP 45
#define MCAST_LEAVE_SOURCE_GROUP 46
#define MCAST_EXCLUDE 0
#define MCAST_INCLUDE 1
/* Old WinSock1 values, needed internally */
#ifdef __INSIDE_CYGWIN__
#define _WS1_IP_OPTIONS 1
#define _WS1_IP_MULTICAST_IF 2
#define _WS1_IP_MULTICAST_TTL 3
#define _WS1_IP_MULTICAST_LOOP 4
#define _WS1_IP_ADD_MEMBERSHIP 5
#define _WS1_IP_DROP_MEMBERSHIP 6
#define _WS1_IP_TTL 7
#define _WS1_IP_TOS 8
#define _WS1_IP_DONTFRAGMENT 9
#endif
/* IPX options */
#define IPX_TYPE 1
/* TCP options - this way around because someone left a set in the c library includes */
#ifndef TCP_NODELAY
#define TCP_NODELAY 0x0001
#define TCP_MAXSEG 2
#endif
/* The various priorities. */
#define SOPRI_INTERACTIVE 0
#define SOPRI_NORMAL 1
#define SOPRI_BACKGROUND 2
#ifdef __cplusplus
};
#endif /* __cplusplus */
#endif /* _CYGWIN_SOCKET_H */
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