| /* System-specific socket constants and types. Linux/MIPS version. |
| Copyright (C) 1991, 92, 1994-1999, 2000, 2001, 2004, 2005, 2006 |
| 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 |
| |
| #if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H |
| # error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." |
| #endif |
| |
| #define __need_size_t |
| #define __need_NULL |
| #include <stddef.h> |
| |
| #include <limits.h> |
| #include <sys/types.h> |
| |
| /* 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_DGRAM = 1, /* Connectionless, unreliable datagrams |
| of fixed maximum length. */ |
| #define SOCK_DGRAM SOCK_DGRAM |
| SOCK_STREAM = 2, /* Sequenced, reliable, connection-based |
| byte streams. */ |
| #define SOCK_STREAM SOCK_STREAM |
| SOCK_RAW = 3, /* Raw protocol interface. */ |
| #define SOCK_RAW SOCK_RAW |
| SOCK_RDM = 4, /* Reliably-delivered messages. */ |
| #define SOCK_RDM SOCK_RDM |
| SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based, |
| datagrams of fixed maximum length. */ |
| #define SOCK_SEQPACKET SOCK_SEQPACKET |
| SOCK_DCCP = 6, |
| #define SOCK_DCCP SOCK_DCCP /* Datagram Congestion Control Protocol. */ |
| SOCK_PACKET = 10, /* Linux specific way of getting packets |
| at the dev level. For writing rarp and |
| other similar things on the user level. */ |
| #define SOCK_PACKET SOCK_PACKET |
| /* Flags to be ORed into the type parameter of socket and socketpair and |
| used for the flags parameter of paccept. */ |
| |
| SOCK_CLOEXEC = 02000000, /* Atomically set close-on-exec flag for the |
| new descriptor(s). */ |
| #define SOCK_CLOEXEC SOCK_CLOEXEC |
| SOCK_NONBLOCK = 0200 /* Atomically mark descriptor(s) as |
| non-blocking. */ |
| #define SOCK_NONBLOCK SOCK_NONBLOCK |
| }; |
| |
| /* Protocol families. */ |
| #define PF_UNSPEC 0 /* Unspecified. */ |
| #define PF_LOCAL 1 /* Local to host (pipes and file-domain). */ |
| #define PF_UNIX PF_LOCAL /* Old BSD 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_AX25 3 /* Amateur Radio AX.25. */ |
| #define PF_IPX 4 /* Novell Internet Protocol. */ |
| #define PF_APPLETALK 5 /* Appletalk DDP. */ |
| #define PF_NETROM 6 /* Amateur radio NetROM. */ |
| #define PF_BRIDGE 7 /* Multiprotocol bridge. */ |
| #define PF_ATMPVC 8 /* ATM PVCs. */ |
| #define PF_X25 9 /* Reserved for X.25 project. */ |
| #define PF_INET6 10 /* IP version 6. */ |
| #define PF_ROSE 11 /* Amateur Radio X.25 PLP. */ |
| #define PF_DECnet 12 /* Reserved for DECnet project. */ |
| #define PF_NETBEUI 13 /* Reserved for 802.2LLC project. */ |
| #define PF_SECURITY 14 /* Security callback pseudo AF. */ |
| #define PF_KEY 15 /* PF_KEY key management API. */ |
| #define PF_NETLINK 16 |
| #define PF_ROUTE PF_NETLINK /* Alias to emulate 4.4BSD. */ |
| #define PF_PACKET 17 /* Packet family. */ |
| #define PF_ASH 18 /* Ash. */ |
| #define PF_ECONET 19 /* Acorn Econet. */ |
| #define PF_ATMSVC 20 /* ATM SVCs. */ |
| #define PF_SNA 22 /* Linux SNA Project */ |
| #define PF_IRDA 23 /* IRDA sockets. */ |
| #define PF_PPPOX 24 /* PPPoX sockets. */ |
| #define PF_WANPIPE 25 /* Wanpipe API sockets. */ |
| #define PF_LLC 26 /* Linux LLC. */ |
| #define PF_CAN 29 /* Controller Area Network. */ |
| #define PF_TIPC 30 /* TIPC sockets. */ |
| #define PF_BLUETOOTH 31 /* Bluetooth sockets. */ |
| #define PF_IUCV 32 /* IUCV sockets. */ |
| #define PF_RXRPC 33 /* RxRPC sockets. */ |
| #define PF_ISDN 34 /* mISDN sockets. */ |
| #define PF_PHONET 35 /* Phonet sockets. */ |
| #define PF_IEEE802154 36 /* IEEE 802.15.4 sockets. */ |
| #define PF_CAIF 37 /* CAIF sockets. */ |
| #define PF_ALG 38 /* Algorithm sockets. */ |
| #define PF_MAX 39 /* For now.. */ |
| |
| /* Address families. */ |
| #define AF_UNSPEC PF_UNSPEC |
| #define AF_LOCAL PF_LOCAL |
| #define AF_UNIX PF_UNIX |
| #define AF_FILE PF_FILE |
| #define AF_INET PF_INET |
| #define AF_AX25 PF_AX25 |
| #define AF_IPX PF_IPX |
| #define AF_APPLETALK PF_APPLETALK |
| #define AF_NETROM PF_NETROM |
| #define AF_BRIDGE PF_BRIDGE |
| #define AF_ATMPVC PF_ATMPVC |
| #define AF_X25 PF_X25 |
| #define AF_INET6 PF_INET6 |
| #define AF_ROSE PF_ROSE |
| #define AF_DECnet PF_DECnet |
| #define AF_NETBEUI PF_NETBEUI |
| #define AF_SECURITY PF_SECURITY |
| #define AF_KEY PF_KEY |
| #define AF_NETLINK PF_NETLINK |
| #define AF_ROUTE PF_ROUTE |
| #define AF_PACKET PF_PACKET |
| #define AF_ASH PF_ASH |
| #define AF_ECONET PF_ECONET |
| #define AF_ATMSVC PF_ATMSVC |
| #define AF_SNA PF_SNA |
| #define AF_IRDA PF_IRDA |
| #define AF_PPPOX PF_PPPOX |
| #define AF_WANPIPE PF_WANPIPE |
| #define AF_LLC PF_LLC |
| #define AF_CAN PF_CAN |
| #define AF_TIPC PF_TIPC |
| #define AF_BLUETOOTH PF_BLUETOOTH |
| #define AF_IUCV PF_IUCV |
| #define AF_RXRPC PF_RXRPC |
| #define AF_ISDN PF_ISDN |
| #define AF_PHONET PF_PHONET |
| #define AF_IEEE802154 PF_IEEE802154 |
| #define AF_CAIF PF_CAIF |
| #define AF_ALG PF_ALG |
| #define AF_MAX PF_MAX |
| |
| /* Socket level values. Others are defined in the appropriate headers. |
| |
| XXX These definitions also should go into the appropriate headers as |
| far as they are available. */ |
| #define SOL_RAW 255 |
| #define SOL_DECNET 261 |
| #define SOL_X25 262 |
| #define SOL_PACKET 263 |
| #define SOL_ATM 264 /* ATM layer (cell level). */ |
| #define SOL_AAL 265 /* ATM Adaption Layer (packet level). */ |
| #define SOL_IRDA 266 |
| |
| /* Maximum queue length specifiable by listen. */ |
| #define SOMAXCONN 128 |
| |
| /* Get the definition of the macro to define the common sockaddr members. */ |
| #include <bits/sockaddr.h> |
| |
| /* 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_aligntype unsigned long int |
| #define _SS_SIZE 128 |
| #define _SS_PADSIZE (_SS_SIZE - (2 * sizeof (__ss_aligntype))) |
| |
| struct sockaddr_storage |
| { |
| __SOCKADDR_COMMON (ss_); /* Address family, etc. */ |
| __ss_aligntype __ss_align; /* Force desired alignment. */ |
| char __ss_padding[_SS_PADSIZE]; |
| }; |
| |
| |
| /* 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_CTRUNC = 0x08, /* Control data lost before delivery. */ |
| #define MSG_CTRUNC MSG_CTRUNC |
| MSG_PROXY = 0x10, /* Supply or ask second address. */ |
| #define MSG_PROXY MSG_PROXY |
| MSG_TRUNC = 0x20, |
| #define MSG_TRUNC MSG_TRUNC |
| MSG_DONTWAIT = 0x40, /* Nonblocking IO. */ |
| #define MSG_DONTWAIT MSG_DONTWAIT |
| MSG_EOR = 0x80, /* End of record. */ |
| #define MSG_EOR MSG_EOR |
| MSG_WAITALL = 0x100, /* Wait for a full request. */ |
| #define MSG_WAITALL MSG_WAITALL |
| MSG_FIN = 0x200, |
| #define MSG_FIN MSG_FIN |
| MSG_SYN = 0x400, |
| #define MSG_SYN MSG_SYN |
| MSG_CONFIRM = 0x800, /* Confirm path validity. */ |
| #define MSG_CONFIRM MSG_CONFIRM |
| MSG_RST = 0x1000, |
| #define MSG_RST MSG_RST |
| MSG_ERRQUEUE = 0x2000, /* Fetch message from error queue. */ |
| #define MSG_ERRQUEUE MSG_ERRQUEUE |
| MSG_NOSIGNAL = 0x4000, /* Do not generate SIGPIPE. */ |
| #define MSG_NOSIGNAL MSG_NOSIGNAL |
| MSG_MORE = 0x8000, /* Sender will send more. */ |
| #define MSG_MORE MSG_MORE |
| MSG_WAITFORONE = 0x10000, /* Wait for at least one packet to return.*/ |
| #define MSG_WAITFORONE MSG_WAITFORONE |
| |
| MSG_CMSG_CLOEXEC = 0x40000000 /* Set close_on_exit for file |
| descriptor received through |
| SCM_RIGHTS. */ |
| #define MSG_CMSG_CLOEXEC MSG_CMSG_CLOEXEC |
| }; |
| |
| |
| /* Structure describing messages sent by |
| `sendmsg' and received by `recvmsg'. */ |
| /* Note: do not change these members to match glibc; these match the |
| SuSv3 spec already (e.g. msg_iovlen/msg_controllen). |
| http://www.opengroup.org/onlinepubs/009695399/basedefs/sys/socket.h.html */ |
| /* Note: linux kernel uses __kernel_size_t (which is 8bytes on 64bit |
| platforms, and 4bytes on 32bit platforms) for msg_iovlen/msg_controllen */ |
| 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. */ |
| #if __WORDSIZE == 32 |
| int msg_iovlen; /* Number of elements in the vector. */ |
| #else |
| size_t msg_iovlen; /* Number of elements in the vector. */ |
| #endif |
| |
| void *msg_control; /* Ancillary data (eg BSD filedesc passing). */ |
| #if __WORDSIZE == 32 |
| socklen_t msg_controllen; /* Ancillary data buffer length. */ |
| #else |
| size_t msg_controllen; /* Ancillary data buffer length. */ |
| #endif |
| |
| int msg_flags; /* Flags on received message. */ |
| }; |
| |
| /* Structure used for storage of ancillary data object information. */ |
| struct cmsghdr |
| { |
| size_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. */ |
| #if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L |
| __extension__ unsigned char __cmsg_data __flexarr; /* Ancillary data. */ |
| #endif |
| }; |
| |
| /* Ancillary data object manipulation macros. */ |
| #if (!defined __STRICT_ANSI__ && __GNUC__ >= 2) || __STDC_VERSION__ >= 199901L |
| # define CMSG_DATA(cmsg) ((cmsg)->__cmsg_data) |
| #else |
| # define CMSG_DATA(cmsg) ((unsigned char *) ((struct cmsghdr *) (cmsg) + 1)) |
| #endif |
| #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_ALIGN(len) (((len) + sizeof (size_t) - 1) \ |
| & (size_t) ~(sizeof (size_t) - 1)) |
| #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 level message types. This must match the definitions in |
| <linux/socket.h>. */ |
| enum |
| { |
| SCM_RIGHTS = 0x01 /* Transfer file descriptors. */ |
| #define SCM_RIGHTS SCM_RIGHTS |
| #ifdef __USE_BSD |
| , SCM_CREDENTIALS = 0x02 /* Credentials passing. */ |
| # define SCM_CREDENTIALS SCM_CREDENTIALS |
| #endif |
| }; |
| |
| /* User visible structure for SCM_CREDENTIALS message */ |
| |
| struct ucred |
| { |
| pid_t pid; /* PID of sending process. */ |
| uid_t uid; /* UID of sending process. */ |
| gid_t gid; /* GID of sending process. */ |
| }; |
| |
| /* Get socket manipulation related informations from kernel headers. */ |
| #ifndef __GLIBC__ |
| #define __GLIBC__ 2 |
| #include <asm/socket.h> |
| #undef __GLIBC__ |
| #else |
| #include <asm/socket.h> |
| #endif |
| |
| |
| /* Structure used to manipulate the SO_LINGER option. */ |
| struct linger |
| { |
| int l_onoff; /* Nonzero to linger on close. */ |
| int l_linger; /* Time to linger. */ |
| }; |
| |
| #endif /* bits/socket.h */ |