/winsup/cygwin/include/cygwin/socket.h
C Header | 326 lines | 246 code | 37 blank | 43 comment | 0 complexity | a0e217616546ffb17a5936f6cdbfb5fb MD5 | raw file
- /* cygwin/socket.h
- Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2009, 2010, 2012,
- 2013, 2014, 2015 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;
- #ifndef __INSIDE_CYGWIN_NET__
- 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];
- };
- #endif
- #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;
- uid_t uid;
- gid_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
- {
- /* Amazing but true: The type of cmsg_len should be socklen_t but, just
- as on Linux, the definition of the kernel is incompatible with this,
- so the Windows socket headers define cmsg_len as SIZE_T. */
- size_t cmsg_len; /* Length of cmsghdr + data */
- int cmsg_level; /* Protocol */
- int cmsg_type; /* Protocol type */
- };
- #define CMSG_ALIGN(len) \
- (((len) + __alignof__ (struct cmsghdr) - 1) \
- & ~(__alignof__ (struct cmsghdr) - 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 */
- /* GNU extension flags. Or them to the type parameter in calls to
- socket(2) to mark socket as nonblocking and/or close-on-exec. */
- #define SOCK_NONBLOCK 0x01000000
- #define SOCK_CLOEXEC 0x02000000
- #ifdef __INSIDE_CYGWIN__
- #define _SOCK_FLAG_MASK 0xff000000 /* Bits left for more extensions */
- #endif
- /* 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_DONTWAIT 0x10 /* selective non-blocking operation */
- #define MSG_NOSIGNAL 0x20 /* Don't raise SIGPIPE */
- #define MSG_TRUNC 0x0100 /* Normal data truncated */
- #define MSG_CTRUNC 0x0200 /* Control data truncated */
- /* Windows-specific flag values returned by recvmsg. */
- #define MSG_BCAST 0x0400 /* Broadcast datagram */
- #define MSG_MCAST 0x0800 /* Multicast datagram */
- /* Setsockoptions(2) level. Thanks to BSD these must match IPPROTO_xxx */
- #define SOL_IP 0
- #define SOL_IPV6 41
- #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
- #define IP_UNICAST_IF 31
- /* 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_UNICAST_IF 31
- #define IPV6_RTHDR 32
- #define IPV6_RECVRTHDR 38
- #define IPV6_TCLASS 39
- #define IPV6_RECVTCLASS 40
- /* 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
- #ifndef __INSIDE_CYGWIN_NET__
- #define MCAST_INCLUDE 0
- #define MCAST_EXCLUDE 1
- #endif
- /* 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
- /* SUS symbolic values for the second parm to shutdown(2) */
- #define SHUT_RD 0 /* == Win32 SD_RECEIVE */
- #define SHUT_WR 1 /* == Win32 SD_SEND */
- #define SHUT_RDWR 2 /* == Win32 SD_BOTH */
- /* The various priorities. */
- #define SOPRI_INTERACTIVE 0
- #define SOPRI_NORMAL 1
- #define SOPRI_BACKGROUND 2
- #ifdef __cplusplus
- };
- #endif /* __cplusplus */
- #endif /* _CYGWIN_SOCKET_H */