From 6960eb420d7b7cc18420dd68466b664867fa069d Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Thu, 10 May 2012 12:56:56 -0700 Subject: Hurd: bits/socket.h --- ChangeLog | 4 + sysdeps/mach/hurd/bits/socket.h | 362 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 366 insertions(+) create mode 100644 sysdeps/mach/hurd/bits/socket.h diff --git a/ChangeLog b/ChangeLog index 0d38d2951d..ff43445170 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2012-05-10 Thomas Schwinge + * sysdeps/mach/hurd/bits/socket.h: New file, copy from the bsd4.4 one. + (SOCK_MAX, SOCK_TYPE_MASK, SOCK_CLOEXEC, SOCK_NONBLOCK): New + definitions. + accept4 for GNU Hurd. * include/sys/socket.h (__libc_accept4): New prototype. * sysdeps/mach/hurd/accept4.c: New file, copy from accept.c. Evolve it diff --git a/sysdeps/mach/hurd/bits/socket.h b/sysdeps/mach/hurd/bits/socket.h new file mode 100644 index 0000000000..6d53599b30 --- /dev/null +++ b/sysdeps/mach/hurd/bits/socket.h @@ -0,0 +1,362 @@ +/* System-specific socket constants and types. Hurd version. + Copyright (C) 1991-2012 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; see the file COPYING.LIB. If + not, see . */ + +#ifndef __BITS_SOCKET_H +#define __BITS_SOCKET_H 1 + +#ifndef _SYS_SOCKET_H +# error "Never include directly; use instead." +#endif + +#define __need_size_t +#define __need_NULL +#include + +#include /* XXX Is this allowed? */ +#include + +/* 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 = 1, /* Sequenced, reliable, connection-based + byte streams. */ +#define SOCK_STREAM SOCK_STREAM + SOCK_DGRAM = 2, /* Connectionless, unreliable datagrams + of fixed maximum length. */ +#define SOCK_DGRAM SOCK_DGRAM + 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 + +#define SOCK_MAX (SOCK_SEQPACKET + 1) + /* Mask which covers at least up to SOCK_MASK-1. The + remaining bits are used as flags. */ +#define SOCK_TYPE_MASK 0xf + + /* Flags to be ORed into the type parameter of socket and socketpair and + used for the flags parameter of accept4. */ + + SOCK_CLOEXEC = 0x00400000, /* Atomically set close-on-exec flag for the + new descriptor(s). */ +#define SOCK_CLOEXEC SOCK_CLOEXEC + + /* Changed from the O_NONBLOCK value (0x8, which is unusable for us as it is + conflicting with the original SOCK_* flags' values) to the Linux value + (04000). TODO: is there a ``better'' value? */ + SOCK_NONBLOCK = 0x0800 /* 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 /* POSIX name for PF_LOCAL. */ +#define PF_INET 2 /* IP protocol family. */ +#define PF_IMPLINK 3 /* ARPAnet IMP protocol. */ +#define PF_PUP 4 /* PUP protocols. */ +#define PF_CHAOS 5 /* MIT Chaos protocols. */ +#define PF_NS 6 /* Xerox NS protocols. */ +#define PF_ISO 7 /* ISO protocols. */ +#define PF_OSI PF_ISO +#define PF_ECMA 8 /* ECMA protocols. */ +#define PF_DATAKIT 9 /* AT&T Datakit protocols. */ +#define PF_CCITT 10 /* CCITT protocols (X.25 et al). */ +#define PF_SNA 11 /* IBM SNA protocol. */ +#define PF_DECnet 12 /* DECnet protocols. */ +#define PF_DLI 13 /* Direct data link interface. */ +#define PF_LAT 14 /* DEC Local Area Transport protocol. */ +#define PF_HYLINK 15 /* NSC Hyperchannel protocol. */ +#define PF_APPLETALK 16 /* Don't use this. */ +#define PF_ROUTE 17 /* Internal Routing Protocol. */ +#define PF_LINK 18 /* Link layer interface. */ +#define PF_XTP 19 /* eXpress Transfer Protocol (no AF). */ +#define PF_COIP 20 /* Connection-oriented IP, aka ST II. */ +#define PF_CNT 21 /* Computer Network Technology. */ +#define PF_RTIP 22 /* Help Identify RTIP packets. **/ +#define PF_IPX 23 /* Novell Internet Protocol. */ +#define PF_SIP 24 /* Simple Internet Protocol. */ +#define PF_PIP 25 /* Help Identify PIP packets. */ +#define PF_INET6 26 /* IP version 6. */ +#define PF_MAX 27 + +/* 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_IMPLINK PF_IMPLINK +#define AF_PUP PF_PUP +#define AF_CHAOS PF_CHAOS +#define AF_NS PF_NS +#define AF_ISO PF_ISO +#define AF_OSI PF_OSI +#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_ROUTE PF_ROUTE +#define AF_LINK PF_LINK +#define pseudo_AF_XTP PF_XTP +#define AF_COIP PF_COIP +#define AF_CNT PF_CNT +#define pseudo_AF_RTIP PF_RTIP +#define AF_IPX PF_IPX +#define AF_SIP PF_SIP +#define pseudo_AF_PIP PF_PIP +#define AF_INET6 PF_INET6 +#define AF_MAX PF_MAX + +/* Maximum queue length specifiable by listen. */ +#define SOMAXCONN 128 /* 5 on the origional 4.4 BSD. */ + +/* 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. */ +#if ULONG_MAX > 0xffffffff +# define __ss_aligntype __uint64_t +#else +# define __ss_aligntype __uint32_t +#endif +#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 + MSG_EOR = 0x08, /* Data completes record. */ +#define MSG_EOR MSG_EOR + MSG_TRUNC = 0x10, /* Data discarded before delivery. */ +#define MSG_TRUNC MSG_TRUNC + MSG_CTRUNC = 0x20, /* Control data lost before delivery. */ +#define MSG_CTRUNC MSG_CTRUNC + MSG_WAITALL = 0x40, /* Wait for full request or error. */ +#define MSG_WAITALL MSG_WAITALL + MSG_DONTWAIT = 0x80, /* This message should be nonblocking. */ +#define MSG_DONTWAIT MSG_DONTWAIT + MSG_NOSIGNAL = 0x0400 /* Do not generate SIGPIPE on EPIPE. */ +#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. */ + int 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 in 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. */ +#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 NULL; + + __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 NULL; + return __cmsg; +} +#endif /* Use `extern inline'. */ + +/* Socket level message types. */ +enum + { + SCM_RIGHTS = 0x01, /* Access rights (array of int). */ +#define SCM_RIGHTS SCM_RIGHTS + SCM_TIMESTAMP = 0x02, /* Timestamp (struct timeval). */ +#define SCM_TIMESTAMP SCM_TIMESTAMP + SCM_CREDS = 0x03 /* Process creds (struct cmsgcred). */ +#define SCM_CREDS SCM_CREDS + }; + +/* Unfortunately, BSD practice dictates this structure be of fixed size. + If there are more than CMGROUP_MAX groups, the list is truncated. + (On GNU systems, the `cmcred_euid' field is just the first in the + list of effective UIDs.) */ +#define CMGROUP_MAX 16 + +/* Structure delivered by SCM_CREDS. This describes the identity of the + sender of the data simultaneously received on the socket. By BSD + convention, this is included only when a sender on a AF_LOCAL socket + sends cmsg data of this type and size; the sender's structure is + ignored, and the system fills in the various IDs of the sender process. */ +struct cmsgcred + { + __pid_t cmcred_pid; + __uid_t cmcred_uid; + __uid_t cmcred_euid; + __gid_t cmcred_gid; + int cmcred_ngroups; + __gid_t cmcred_groups[CMGROUP_MAX]; + }; + +/* Protocol number used to manipulate socket-level options + with `getsockopt' and `setsockopt'. */ +#define SOL_SOCKET 0xffff + +/* Socket-level options for `getsockopt' and `setsockopt'. */ +enum + { + SO_DEBUG = 0x0001, /* Record debugging information. */ +#define SO_DEBUG SO_DEBUG + SO_ACCEPTCONN = 0x0002, /* Accept connections on socket. */ +#define SO_ACCEPTCONN SO_ACCEPTCONN + SO_REUSEADDR = 0x0004, /* Allow reuse of local addresses. */ +#define SO_REUSEADDR SO_REUSEADDR + SO_KEEPALIVE = 0x0008, /* Keep connections alive and send + SIGPIPE when they die. */ +#define SO_KEEPALIVE SO_KEEPALIVE + SO_DONTROUTE = 0x0010, /* Don't do local routing. */ +#define SO_DONTROUTE SO_DONTROUTE + SO_BROADCAST = 0x0020, /* Allow transmission of + broadcast messages. */ +#define SO_BROADCAST SO_BROADCAST + SO_USELOOPBACK = 0x0040, /* Use the software loopback to avoid + hardware use when possible. */ +#define SO_USELOOPBACK SO_USELOOPBACK + SO_LINGER = 0x0080, /* Block on close of a reliable + socket to transmit pending data. */ +#define SO_LINGER SO_LINGER + SO_OOBINLINE = 0x0100, /* Receive out-of-band data in-band. */ +#define SO_OOBINLINE SO_OOBINLINE + SO_REUSEPORT = 0x0200, /* Allow local address and port reuse. */ +#define SO_REUSEPORT SO_REUSEPORT + SO_SNDBUF = 0x1001, /* Send buffer size. */ +#define SO_SNDBUF SO_SNDBUF + SO_RCVBUF = 0x1002, /* Receive buffer. */ +#define SO_RCVBUF SO_RCVBUF + SO_SNDLOWAT = 0x1003, /* Send low-water mark. */ +#define SO_SNDLOWAT SO_SNDLOWAT + SO_RCVLOWAT = 0x1004, /* Receive low-water mark. */ +#define SO_RCVLOWAT SO_RCVLOWAT + SO_SNDTIMEO = 0x1005, /* Send timeout. */ +#define SO_SNDTIMEO SO_SNDTIMEO + SO_RCVTIMEO = 0x1006, /* Receive timeout. */ +#define SO_RCVTIMEO SO_RCVTIMEO + SO_ERROR = 0x1007, /* Get and clear error status. */ +#define SO_ERROR SO_ERROR + SO_STYLE = 0x1008, /* Get socket connection style. */ +#define SO_STYLE SO_STYLE + SO_TYPE = SO_STYLE /* Compatible name for SO_STYLE. */ +#define SO_TYPE SO_TYPE + }; + +/* 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 */ -- cgit 1.4.1