/* System-specific socket constants and types. OpenSolaris version. Copyright (C) 1991, 1992, 1994-2001, 2004, 2006, 2007, 2008 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef __BITS_SOCKET_H #define __BITS_SOCKET_H #ifndef _SYS_SOCKET_H # error "Never include directly; use instead." #endif #define __need_size_t #define __need_NULL #include #include #include #define __SOCKADDR_IN6_EXTRA_FIELDS \ __uint32_t __sin6_src_id; /* Type for length arguments in socket calls. */ #ifndef __socklen_t_defined typedef __socklen_t socklen_t; # define __socklen_t_defined #endif /* Types of sockets. */ enum __socket_type { SOCK_STREAM = 2, /* Sequenced, reliable, connection-based byte streams. */ #define SOCK_STREAM SOCK_STREAM SOCK_DGRAM = 1, /* Connectionless, unreliable datagrams of fixed maximum length. */ #define SOCK_DGRAM SOCK_DGRAM SOCK_RAW = 4, /* Raw protocol interface. */ #define SOCK_RAW SOCK_RAW SOCK_RDM = 5, /* Reliably-delivered messages. */ #define SOCK_RDM SOCK_RDM SOCK_SEQPACKET = 6 /* Sequenced, reliable, connection-based, datagrams of fixed maximum length. */ #define SOCK_SEQPACKET SOCK_SEQPACKET }; /* Protocol families. */ #define PF_UNSPEC 0 /* Unspecified. */ #define PF_LOCAL 1 /* Local to host (pipes and file-domain). */ #define PF_UNIX PF_LOCAL /* POSIX name for PF_LOCAL. */ #define PF_FILE PF_LOCAL /* Another non-standard name for PF_LOCAL. */ #define PF_INET 2 /* IP protocol family. */ #define PF_IMPLINK 3 /* Arpanet imp addresses. */ #define PF_PUP 4 /* PUP protocols: e.g. BSP. */ #define PF_CHAOS 5 /* MIT CHAOS protocols. */ #define PF_NS 6 /* XEROX NS protocols. */ #define PF_NBS 7 /* NBS protocols. */ #define PF_ECMA 8 /* European Computer Manufacturers. */ #define PF_DATAKIT 9 /* Datakit protocols. */ #define PF_CCITT 10 /* CCITT protocols, X.25 etc. */ #define PF_SNA 11 /* Linux SNA Project */ #define PF_DECnet 12 /* Reserved for DECnet project. */ #define PF_DLI 13 /* Direct data link interface. */ #define PF_LAT 14 /* LAT. */ #define PF_HYLINK 15 /* NSC Hyperchannel. */ #define PF_APPLETALK 16 /* Appletalk DDP. */ #define PF_NIT 17 /* Network Interface Tap. */ #define PF_802 18 /* IEEE 802.2, also ISO 8802. */ #define PF_OSI 19 /* Umbrella for all families used. */ #define PF_X25 20 /* Reserved for X.25 project. */ #define PF_OSINET 21 /* AFI = 47, IDI = 4. */ #define PF_GOSIP 22 /* U.S. Government OSI. */ #define PF_IPX 23 /* Novell Internet Protocol. */ #define PF_ROUTE 24 /* Internal Routing Protocol. */ #define PF_LINK 25 /* Link-layer interface. */ #define PF_INET6 26 /* IP version 6. */ #define PF_KEY 27 /* PF_KEY key management API. */ #define PF_NCA 28 /* NCA socket. */ #define PF_POLICY 29 /* Security Policy DB socket. */ #define PF_INET_OFFLOAD 30 /* Sun private; do not use. */ #define PF_MAX 30 /* For now.. */ /* Address families. */ #define AF_UNSPEC PF_UNSPEC #define AF_UNIX PF_UNIX #define AF_LOCAL PF_LOCAL #define AF_INET PF_INET #define AF_IMPLINK PF_IMPLINK #define AF_PUP PF_PUP #define AF_CHAOS PF_CHAOS #define AF_NS PF_NBS #define AF_NBS PF_NBS #define AF_ECMA PF_ECMA #define AF_DATAKIT PF_DATAKIT #define AF_CCITT PF_CCITT #define AF_SNA PF_SNA #define AF_DECnet PF_DECnet #define AF_DLI PF_DLI #define AF_LAT PF_LAT #define AF_HYLINK PF_HYLINK #define AF_APPLETALK PF_APPLETALK #define AF_NIT PF_NIT #define AF_802 PF_802 #define AF_X25 PF_X25 #define AF_OSINET PF_OSINET #define AF_GOSIP PF_GOSIP #define AF_IPX PF_IPX #define AF_ROUTE PF_ROUTE #define AF_LINK PF_LINK #define AF_INET6 PF_INET6 #define AF_KEY PF_X25 #define AF_NCA PF_X25 #define AF_POLICY PF_POLICY #define AF_INET_OFFLOAD PF_INET_OFFLOAD #define AF_MAX PF_MAX /* Socket level values. */ #define SOL_SOCKET 0xFFFF #define SOL_IP 0 /* IPPROTO_IP */ #define SOL_ICMP 1 /* IPPROTO_ICMP */ #define SOL_TCP 6 /* IPPROTO_TCP */ #define SOL_UDP 17 /* IPPROTO_UDP */ #define SOL_IPV6 41 /* IPPROTO_IPV6 */ #define SOL_ICMPV6 58 /* IPPROTO_ICMPV6 */ #define SOL_SCTP 132 /* IPPROTO_SCTP */ #define SOL_RAW 255 /* IPPROTO_RAW */ /* Maximum queue length specifiable by listen. */ #define SOMAXCONN 128 /* Get the definition of the macro to define the common sockaddr members. */ #include /* Structure describing a generic socket address. */ struct sockaddr { __SOCKADDR_COMMON (sa_); /* Common data: address family and length. */ char sa_data[14]; /* Address data. */ }; /* Structure large enough to hold any socket address (with the historical exception of AF_UNIX). We reserve 128 bytes. */ #define _SS_MAXSIZE 256 #define _SS_ALIGNSIZE (sizeof (sockaddr_maxalign_t)) typedef double sockaddr_maxalign_t; #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 { __SOCKADDR_COMMON (ss_); /* Address family, etc. */ char _ss_pad1[_SS_PAD1SIZE]; sockaddr_maxalign_t __ss_align; /* Force desired alignment. */ char _ss_pad2[_SS_PAD2SIZE]; }; /* Bits in the FLAGS argument to `send', `recv', et al. */ enum { MSG_OOB = 0x01, /* Process out-of-band data. */ #define MSG_OOB MSG_OOB MSG_PEEK = 0x02, /* Peek at incoming messages. */ #define MSG_PEEK MSG_PEEK MSG_DONTROUTE = 0x04, /* Don't use local routing. */ #define MSG_DONTROUTE MSG_DONTROUTE #ifdef __USE_GNU /* DECnet uses a different name. */ MSG_TRYHARD = MSG_DONTROUTE, # define MSG_TRYHARD MSG_DONTROUTE #endif MSG_EOR = 0x08, /* End of record. */ #define MSG_EOR MSG_EOR MSG_CTRUNC = 0x10, /* Control data lost before delivery. */ #define MSG_CTRUNC MSG_CTRUNC MSG_TRUNC = 0x20, #define MSG_TRUNC MSG_TRUNC MSG_WAITALL = 0x40, /* Wait for a full request. */ #define MSG_WAITALL MSG_WAITALL MSG_DONTWAIT = 0x80, /* Nonblocking IO. */ #define MSG_DONTWAIT MSG_DONTWAIT MSG_NOTIFICATION = 0x100, /* Notification, not data. */ #define MSG_NOTIFICATION MSG_NOTIFICICATION MSG_XPG4_2 = 0x8000, /* Private: XPG4.2 flag. */ #define MSG_XPG4_2 MSG_XPG4_2 /* The following are not supported by the OpenSolaris kernel. */ MSG_NOSIGNAL = 0x4000, /* Do not generate SIGPIPE. */ #define MSG_NOSIGNAL MSG_NOSIGNAL }; /* Structure describing messages sent by `sendmsg' and received by `recvmsg'. */ struct msghdr { void *msg_name; /* Address to send to/receive from. */ socklen_t msg_namelen; /* Length of address data. */ struct iovec *msg_iov; /* Vector of data to send/receive into. */ size_t msg_iovlen; /* Number of elements in the vector. */ void *msg_control; /* Ancillary data (eg BSD filedesc passing). */ socklen_t msg_controllen; /* Ancillary data buffer length. */ int msg_flags; /* Flags on received message. */ }; /* Structure used for storage of ancillary data object information. */ struct cmsghdr { socklen_t cmsg_len; /* Length of data in cmsg_data plus length of cmsghdr structure. */ int cmsg_level; /* Originating protocol. */ int cmsg_type; /* Protocol specific type. */ }; /* Ancillary data object manipulation macros. */ #if defined(__sparc__) # define _CMSG_HDR_ALIGNMENT 8 #else # define _CMSG_HDR_ALIGNMENT 4 #endif #define CMSG_ALIGN(len) (((uintptr_t)(len) + _CMSG_HDR_ALIGNMENT - 1) \ & ~(_CMSG_HDR_ALIGNMENT - 1)) #define _CMSG_HDR_ALIGN(x) CMSG_ALIGN(x) #define CMSG_DATA(cmsg) ((unsigned char *) CMSG_ALIGN((struct cmsghdr *) (cmsg) + 1)) #define CMSG_NXTHDR(mhdr, cmsg) __cmsg_nxthdr (mhdr, cmsg) #define CMSG_FIRSTHDR(mhdr) \ ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr) \ ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) NULL) #define CMSG_SPACE(len) (CMSG_ALIGN (len) \ + CMSG_ALIGN (sizeof (struct cmsghdr))) #define CMSG_LEN(len) (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len)) extern struct cmsghdr *__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg) __THROW; #ifdef __USE_EXTERN_INLINES # ifndef _EXTERN_INLINE # define _EXTERN_INLINE __extern_inline # endif _EXTERN_INLINE struct cmsghdr * __NTH (__cmsg_nxthdr (struct msghdr *__mhdr, struct cmsghdr *__cmsg)) { if ((size_t) __cmsg->cmsg_len < sizeof (struct cmsghdr)) /* The kernel header does this so there may be a reason. */ return 0; __cmsg = (struct cmsghdr *) ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len)); if ((unsigned char *) (__cmsg + 1) > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen) || ((unsigned char *) __cmsg + CMSG_ALIGN (__cmsg->cmsg_len) > ((unsigned char *) __mhdr->msg_control + __mhdr->msg_controllen))) /* No more entries. */ return 0; return __cmsg; } #endif /* Use `extern inline'. */ /* Socket options. */ #define SO_DEBUG 0x0001 /* Turn on debugging info recording. */ #define SO_ACCEPTCONN 0x0002 /* Socket has had listen(). */ #define SO_REUSEADDR 0x0004 /* Allow local address reuse. */ #define SO_KEEPALIVE 0x0008 /* Keep connections alive. */ #define SO_DONTROUTE 0x0010 /* Just use interface addresses. */ #define SO_BROADCAST 0x0020 /* Permit sending of broadcast msgs. */ #define SO_USELOOPBACK 0x0040 /* Bypass hardware when possible. */ #define SO_LINGER 0x0080 /* Linger on close if data present. */ #define SO_OOBINLINE 0x0100 /* Leave received OOB data in line. */ #define SO_DGRAM_ERRIND 0x0200 /* Application wants delayed error. */ #define SO_RECVUCRED 0x0400 /* Application wants ucred of sender. */ /* Socket options not kept in so_options. */ #define SO_SNDBUF 0x1001 /* Send buffer size. */ #define SO_RCVBUF 0x1002 /* Receive buffer size. */ #define SO_SNDLOWAT 0x1003 /* Send low-water mark. */ #define SO_RCVLOWAT 0x1004 /* Receive low-water mark. */ #define SO_SNDTIMEO 0x1005 /* Send timeout. */ #define SO_RCVTIMEO 0x1006 /* Receive timeout. */ #define SO_ERROR 0x1007 /* Get error status and clear. */ #define SO_TYPE 0x1008 /* Get socket type. */ #define SO_PROTOTYPE 0x1009 /* Get/set protocol type. */ #define SO_ANON_MLP 0x100a /* Create MLP on anonymous bind. */ #define SO_MAC_EXEMPT 0x100b /* Allow dominated unlabeled peers. */ #define SO_DOMAIN 0x100c /* Get socket domain. */ /* SCM_RIGHTS = 0x1010 */ #define SO_SECATTR 0x1011 /* Socket's security attributes. */ /* SCM_UCRED = 0x1012 */ #define SO_TIMESTAMP 0x1013 /* Sender's ucred. */ #define SO_ALLZONES 0x1014 /* Bind in all zones. */ #define SO_EXCLBIND 0x1015 /* Exclusive binding. */ /* Socket level message types. */ enum { SCM_RIGHTS = 0x1010, /* Transfer file descriptors. */ #define SCM_RIGHTS SCM_RIGHTS SCM_UCRED = 0x1012, #define SCM_UCRED SCM_UCRED SCM_TIMESTAMP = SO_TIMESTAMP #define SCM_TIMESTAMP SCM_TIMESTAMP }; /* Structure used to manipulate the SO_LINGER option. */ struct linger { int l_onoff; /* Nonzero to linger on close. */ int l_linger; /* Time to linger. */ }; /* Socket versions. */ #define SOV_STREAM 0 /* Not a socket - just a stream. */ #define SOV_DEFAULT 1 /* Select based on so_default_version. */ #define SOV_SOCKSTREAM 2 /* Socket plus streams operations. */ #define SOV_SOCKBSD 3 /* Socket with no streams operations. */ #define SOV_XPG4_2 4 /* Xnet socket. */ #endif /* bits/socket.h */