diff options
Diffstat (limited to 'sysdeps/generic')
| -rw-r--r-- | sysdeps/generic/confname.h | 30 | ||||
| -rw-r--r-- | sysdeps/generic/fdatasync.c | 28 | ||||
| -rw-r--r-- | sysdeps/generic/netinet/in.h | 209 | ||||
| -rw-r--r-- | sysdeps/generic/schedbits.h | 35 | ||||
| -rw-r--r-- | sysdeps/generic/sys/socket.h | 324 |
5 files changed, 625 insertions, 1 deletions
diff --git a/sysdeps/generic/confname.h b/sysdeps/generic/confname.h index df4800e408..da189fb5c4 100644 --- a/sysdeps/generic/confname.h +++ b/sysdeps/generic/confname.h @@ -1,5 +1,5 @@ /* `sysconf', `pathconf', and `confstr' NAME values. Generic version. -Copyright (C) 1993, 1995 Free Software Foundation, Inc. +Copyright (C) 1993, 1995, 1996 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 @@ -60,6 +60,34 @@ enum #define _SC_JOB_CONTROL _SC_JOB_CONTROL _SC_SAVED_IDS, #define _SC_SAVED_IDS _SC_SAVED_IDS + _SC_REALTIME_SIGNALS, +#define _SC_REALTIME_SIGNALS _SC_REALTIME_SIGNALS + _SC_PRIORITY_SCHEDULING, +#define _SC_PRIORITY_SCHEDULING _SC_PRIORITY_SCHEDULING + _SC_TIMERS, +#define _SC_TIMERS _SC_TIMERS + _SC_ASYNCHRONOUS_IO, +#define _SC_ASYNCHRONOUS_IO _SC_ASYNCHRONOUS_IO + _SC_PRIORITIZED_IO, +#define _SC_PRIORITIZED_IO _SC_PRIORITIZED_IO + _SC_SYNCHRONIZED_IO, +#define _SC_SYNCHRONIZED_IO _SC_SYNCHRONIZED_IO + _SC_FSYNC, +#define _SC_FSYNC _SC_FSYNC + _SC_MAPPED_FILES, +#define _SC_MAPPED_FILES _SC_MAPPED_FILES + _SC_MEMLOCK, +#define _SC_MEMLOCK _SC_MEMLOCK + _SC_MEMLOCK_RANGE, +#define _SC_MEMLOCK_RANGE _SC_MEMLOCK_RANGE + _SC_MEMORY_PROTECTION, +#define _SC_MEMORY_PROTECTION _SC_MEMORY_PROTECTION + _SC_MESSAGE_PASSING, +#define _SC_MESSAGE_PASSING _SC_MESSAGE_PASSING + _SC_SEMAPHORES, +#define _SC_SEMAPHORES _SC_SEMAPHORES + _SC_SHARED_MEMORY_OBJECTS, +#define _SC_SHARED_MEMORY_OBJECTS _SC_SHARED_MEMORY_OBJECTS _SC_VERSION, #define _SC_VERSION _SC_VERSION _SC_PAGESIZE, diff --git a/sysdeps/generic/fdatasync.c b/sysdeps/generic/fdatasync.c new file mode 100644 index 0000000000..f664d01692 --- /dev/null +++ b/sysdeps/generic/fdatasync.c @@ -0,0 +1,28 @@ +/* Copyright (C) 1996 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include <unistd.h> + + +/* Synchronize at least the data part of a file with the underlying + media. */ +int +fdatasync (int fildes) +{ + return fsync (fildes); +} diff --git a/sysdeps/generic/netinet/in.h b/sysdeps/generic/netinet/in.h new file mode 100644 index 0000000000..a135cf25b2 --- /dev/null +++ b/sysdeps/generic/netinet/in.h @@ -0,0 +1,209 @@ +/* Copyright (C) 1991, 1992, 1993, 1994, 1995 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 General Public License as published by +the Free Software Foundation; either version 2, 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 General Public License for more details. + +You should have received a copy of the GNU General Public License +along with the GNU C Library; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef _NETINET_IN_H + +#define _NETINET_IN_H 1 +#include <features.h> + +#include <sys/socket.h> + + +/* Standard well-defined IP protocols. */ +enum + { + IPPROTO_IP = 0, /* Dummy protocol for TCP. */ + IPPROTO_ICMP = 1, /* Internet Control Message Protocol. */ + IPPROTO_IGMP = 2, /* Internet Group Management Protocol. */ + IPPROTO_TCP = 6, /* Transmission Control Protocol. */ + IPPROTO_EGP = 8, /* Exterior Gateway Protocol. */ + IPPROTO_PUP = 12, /* PUP protocol. */ + IPPROTO_UDP = 17, /* User Datagram Protocol. */ + IPPROTO_IDP = 22, /* XNS IDP protocol. */ + + IPPROTO_RAW = 255, /* Raw IP packets. */ + IPPROTO_MAX, + }; + +/* Standard well-known ports. */ +enum + { + IPPORT_ECHO = 7, /* Echo service. */ + IPPORT_DISCARD = 9, /* Discard transmissions service. */ + IPPORT_SYSTAT = 11, /* System status service. */ + IPPORT_DAYTIME = 13, /* Time of day service. */ + IPPORT_NETSTAT = 15, /* Network status service. */ + IPPORT_FTP = 21, /* File Transfer Protocol. */ + IPPORT_TELNET = 23, /* Telnet protocol. */ + IPPORT_SMTP = 25, /* Simple Mail Transfer Protocol. */ + IPPORT_TIMESERVER = 37, /* Timeserver service. */ + IPPORT_NAMESERVER = 42, /* Domain Name Service. */ + IPPORT_WHOIS = 43, /* Internet Whois service. */ + IPPORT_MTP = 57, + + IPPORT_TFTP = 69, /* Trivial File Transfer Protocol. */ + IPPORT_RJE = 77, + IPPORT_FINGER = 79, /* Finger service. */ + IPPORT_TTYLINK = 87, + IPPORT_SUPDUP = 95, /* SUPDUP protocol. */ + + + IPPORT_EXECSERVER = 512, /* execd service. */ + IPPORT_LOGINSERVER = 513, /* rlogind service. */ + IPPORT_CMDSERVER = 514, + IPPORT_EFSSERVER = 520, + + /* UDP ports. */ + IPPORT_BIFFUDP = 512, + IPPORT_WHOSERVER = 513, + IPPORT_ROUTESERVER = 520, + + /* Ports less than this value are reserved for privileged processes. */ + IPPORT_RESERVED = 1024, + + /* Ports greater this value are reserved for (non-privileged) servers. */ + IPPORT_USERRESERVED = 5000, + }; + + +/* Link numbers. */ +#define IMPLINK_IP 155 +#define IMPLINK_LOWEXPER 156 +#define IMPLINK_HIGHEXPER 158 + + +/* Internet address. */ +struct in_addr + { + unsigned int s_addr; + }; + + +/* Definitions of the bits in an Internet address integer. + + On subnets, host and network parts are found according to + the subnet mask, not these masks. */ + +#define IN_CLASSA(a) ((((unsigned) (a)) & 0x80000000) == 0) +#define IN_CLASSA_NET 0xff000000 +#define IN_CLASSA_NSHIFT 24 +#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET) +#define IN_CLASSA_MAX 128 + +#define IN_CLASSB(a) ((((unsigned) (a)) & 0xc0000000) == 0x80000000) +#define IN_CLASSB_NET 0xffff0000 +#define IN_CLASSB_NSHIFT 16 +#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET) +#define IN_CLASSB_MAX 65536 + +#define IN_CLASSC(a) ((((unsigned) (a)) & 0xc0000000) == 0xc0000000) +#define IN_CLASSC_NET 0xffffff00 +#define IN_CLASSC_NSHIFT 8 +#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET) + +#define IN_CLASSD(a) ((((unsigned) (a)) & 0xf0000000) == 0xe0000000) +#define IN_MULTICAST(a) IN_CLASSD(a) + +#define IN_EXPERIMENTAL(a) ((((unsigned) (a)) & 0xe0000000) == 0xe0000000) +#define IN_BADCLASS(a) ((((unsigned) (a)) & 0xf0000000) == 0xf0000000) + +/* Address to accept any incoming messages. */ +#define INADDR_ANY ((unsigned) 0x00000000) +/* Address to send to all hosts. */ +#define INADDR_BROADCAST ((unsigned) 0xffffffff) +/* Address indicating an error return. */ +#define INADDR_NONE 0xffffffff + +/* Network number for local host loopback. */ +#define IN_LOOPBACKNET 127 +/* Address to loopback in software to local host. */ +#ifndef INADDR_LOOPBACK +#define INADDR_LOOPBACK 0x7f000001 /* Internet address 127.0.0.1. */ +#endif + + +/* Get the definition of the macro to define the common sockaddr members. */ +#include <sockaddrcom.h> + + +/* Structure describing an Internet socket address. */ +struct sockaddr_in + { + __SOCKADDR_COMMON (sin_); + unsigned short int sin_port; /* Port number. */ + struct in_addr sin_addr; /* Internet address. */ + + /* Pad to size of `struct sockaddr'. */ + unsigned char sin_zero[sizeof(struct sockaddr) - + __SOCKADDR_COMMON_SIZE - + sizeof(unsigned short int) - + sizeof(struct in_addr)]; + }; + + +/* Options for use with `getsockopt' and `setsockopt' at the IP level. + The first word in the comment at the right is the data type used; + "bool" means a boolean value stored in an `int'. */ +#define IP_OPTIONS 1 /* ip_opts; IP per-packet options. */ +#define IP_HDRINCL 2 /* int; Header is included with data. */ +#define IP_TOS 3 /* int; IP type of service and precedence. */ +#define IP_TTL 4 /* int; IP time to live. */ +#define IP_RECVOPTS 5 /* bool; Receive all IP options w/datagram. */ +#define IP_RECVRETOPTS 6 /* bool; Receive IP options for response. */ +#define IP_RECVDSTADDR 7 /* bool; Receive IP dst addr w/datagram. */ +#define IP_RETOPTS 8 /* ip_opts; Set/get IP per-packet options. */ +#define IP_MULTICAST_IF 9 /* in_addr; set/get IP multicast i/f */ +#define IP_MULTICAST_TTL 10 /* u_char; set/get IP multicast ttl */ +#define IP_MULTICAST_LOOP 11 /* i_char; set/get IP multicast loopback */ +#define IP_ADD_MEMBERSHIP 12 /* ip_mreq; add an IP group membership */ +#define IP_DROP_MEMBERSHIP 13 /* ip_mreq; drop an IP group membership */ + +/* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS. + The `ip_dst' field is used for the first-hop gateway when using a + source route (this gets put into the header proper). */ +struct ip_opts + { + struct in_addr ip_dst; /* First hop; zero without source route. */ + char ip_opts[40]; /* Actually variable in size. */ + }; + +/* Structure used for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP. */ +struct ip_mreq +{ + struct in_addr imr_multiaddr; /* IP multicast address of group */ + struct in_addr imr_interface; /* local IP address of interface */ +}; + +/* Functions to convert between host and network byte order. */ + +extern unsigned long int ntohl __P ((unsigned long int)); +extern unsigned short int ntohs __P ((unsigned short int)); +extern unsigned long int htonl __P ((unsigned long int)); +extern unsigned short int htons __P ((unsigned short int)); + +#include <endian.h> + +#if __BYTE_ORDER == __BIG_ENDIAN +/* The host byte order is the same as network byte order, + so these functions are all just identity. */ +#define ntohl(x) (x) +#define ntohs(x) (x) +#define htonl(x) (x) +#define htons(x) (x) +#endif + +#endif /* netinet/in.h */ diff --git a/sysdeps/generic/schedbits.h b/sysdeps/generic/schedbits.h new file mode 100644 index 0000000000..21ea377995 --- /dev/null +++ b/sysdeps/generic/schedbits.h @@ -0,0 +1,35 @@ +/* Definitions of constants and data structure for POSIX 1003.1b-1993 + scheduling interface. +Copyright (C) 1996 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#ifndef _SCHEDBITS_H +#define _SCHEDBITS_H 1 + +/* Scheduling algorithms. */ +#define SCHED_OTHER 0 +#define SCHED_FIFO 1 +#define SCHED_RR 2 + +/* Data structure to describe a process' schedulability. */ +struct sched_params +{ + int sched_priority; +}; + +#endif /* schedbits.h */ diff --git a/sysdeps/generic/sys/socket.h b/sysdeps/generic/sys/socket.h new file mode 100644 index 0000000000..43a2a6444f --- /dev/null +++ b/sysdeps/generic/sys/socket.h @@ -0,0 +1,324 @@ +/* Copyright (C) 1991, 92, 94, 95, 96 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#ifndef _SYS_SOCKET_H + +#define _SYS_SOCKET_H 1 +#include <features.h> + +__BEGIN_DECLS + +#define __need_size_t +#include <stddef.h> + + +/* Types of sockets. */ +enum __socket_type +{ + SOCK_STREAM = 1, /* Sequenced, reliable, connection-based + byte streams. */ + SOCK_DGRAM = 2, /* Connectionless, unreliable datagrams + of fixed maximum length. */ + SOCK_RAW = 3, /* Raw protocol interface. */ + SOCK_RDM = 4, /* Reliably-delivered messages. */ + SOCK_SEQPACKET = 5, /* Sequenced, reliable, connection-based, + datagrams of fixed maximum length. */ +}; + +/* 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_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_MAX 26 + +/* Address families. */ +#define AF_UNSPEC PF_UNSPEC +#define AF_LOCAL PF_LOCAL +#define AF_UNIX PF_UNIX +#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_MAX PF_MAX + + +/* Get the definition of the macro to define the common sockaddr members. */ +#include <sockaddrcom.h> + +/* Structure describing a generic socket address. */ +struct sockaddr + { + __SOCKADDR_COMMON (sa_); /* Common data: address family and length. */ + char sa_data[14]; /* Address data. */ + }; + +/* This is the type we use for generic socket address arguments. + + With GCC 2.7 and later, the funky union causes redeclarations or uses with + any of the listed types to be allowed without complaint. */ +#if (!defined (__GNUC__) || __GNUC__ < 2 || \ + (__GNUC__ == 2 && __GNUC_MINOR__ < 7)) +#define __SOCKADDR_ARG struct sockaddr * +#define __CONST_SOCKADDR_ARG __const struct sockaddr * +#else +/* Add more `struct sockaddr_AF' types here as necessary. + These are all the ones I found on NetBSD and Linux. */ +#define __SOCKADDR_ALLTYPES \ + __SOCKADDR_ONETYPE (sockaddr) \ + __SOCKADDR_ONETYPE (sockaddr_at) \ + __SOCKADDR_ONETYPE (sockaddr_ax25) \ + __SOCKADDR_ONETYPE (sockaddr_dl) \ + __SOCKADDR_ONETYPE (sockaddr_eon) \ + __SOCKADDR_ONETYPE (sockaddr_in) \ + __SOCKADDR_ONETYPE (sockaddr_in6) \ + __SOCKADDR_ONETYPE (sockaddr_inarp) \ + __SOCKADDR_ONETYPE (sockaddr_ipx) \ + __SOCKADDR_ONETYPE (sockaddr_iso) \ + __SOCKADDR_ONETYPE (sockaddr_ns) \ + __SOCKADDR_ONETYPE (sockaddr_un) \ + __SOCKADDR_ONETYPE (sockaddr_x25) + +#define __SOCKADDR_ONETYPE(type) struct type *__##type##__; +typedef union { __SOCKADDR_ALLTYPES + } __SOCKADDR_ARG __attribute__ ((__transparent_union__)); +#undef __SOCKADDR_ONETYPE +#define __SOCKADDR_ONETYPE(type) __const struct type *__##type##__; +typedef union { __SOCKADDR_ALLTYPES + } __CONST_SOCKADDR_ARG __attribute__ ((__transparent_union__)); +#undef __SOCKADDR_ONETYPE +#endif + + +/* Create a new socket of type TYPE in domain DOMAIN, using + protocol PROTOCOL. If PROTOCOL is zero, one is chosen automatically. + Returns a file descriptor for the new socket, or -1 for errors. */ +extern int socket __P ((int __domain, enum __socket_type __type, + int __protocol)); + +/* Create two new sockets, of type TYPE in domain DOMAIN and using + protocol PROTOCOL, which are connected to each other, and put file + descriptors for them in FDS[0] and FDS[1]. If PROTOCOL is zero, + one will be chosen automatically. Returns 0 on success, -1 for errors. */ +extern int socketpair __P ((int __domain, enum __socket_type __type, + int __protocol, int __fds[2])); + +/* Give the socket FD the local address ADDR (which is LEN bytes long). */ +extern int bind __P ((int __fd, __CONST_SOCKADDR_ARG __addr, size_t __len)); + +/* Put the local address of FD into *ADDR and its length in *LEN. */ +extern int getsockname __P ((int __fd, __SOCKADDR_ARG __addr, + size_t *__len)); + +/* Open a connection on socket FD to peer at ADDR (which LEN bytes long). + For connectionless socket types, just set the default address to send to + and the only address from which to accept transmissions. + Return 0 on success, -1 for errors. */ +extern int connect __P ((int __fd, + __CONST_SOCKADDR_ARG __addr, size_t __len)); + +/* Put the address of the peer connected to socket FD into *ADDR + (which is *LEN bytes long), and its actual length into *LEN. */ +extern int getpeername __P ((int __fd, __SOCKADDR_ARG __addr, + size_t *__len)); + + +/* Bits in the FLAGS argument to `send', `recv', et al. */ +enum + { + MSG_OOB = 0x01, /* Process out-of-band data. */ + MSG_PEEK = 0x02, /* Peek at incoming messages. */ + MSG_DONTROUTE = 0x04, /* Don't use local routing. */ + MSG_EOR = 0x08, /* Data completes record. */ + MSG_TRUNC = 0x10, /* Data discarded before delivery. */ + MSG_CTRUNC = 0x20, /* Control data lost before delivery. */ + MSG_WAITALL = 0x40, /* Wait for full request or error. */ + MSG_DONTWAIT = 0x80, /* This message should be nonblocking. */ + }; + +/* Send N bytes of BUF to socket FD. Returns the number sent or -1. */ +extern int send __P ((int __fd, __ptr_t __buf, size_t __n, int __flags)); + +/* Read N bytes into BUF from socket FD. + Returns the number read or -1 for errors. */ +extern int recv __P ((int __fd, __ptr_t __buf, size_t __n, int __flags)); + +/* Send N bytes of BUF on socket FD to peer at address ADDR (which is + ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */ +extern int sendto __P ((int __fd, __ptr_t __buf, size_t __n, int __flags, + __CONST_SOCKADDR_ARG __addr, size_t __addr_len)); + +/* Read N bytes into BUF through socket FD. + If ADDR is not NULL, fill in *ADDR_LEN bytes of it with tha address of + the sender, and store the actual size of the address in *ADDR_LEN. + Returns the number of bytes read or -1 for errors. */ +extern int recvfrom __P ((int __fd, __ptr_t __buf, size_t __n, int __flags, + __SOCKADDR_ARG __addr, size_t *__addr_len)); + + + +/* Structure describing messages sent by + `sendmsg' and received by `recvmsg'. */ +struct msghdr + { + __ptr_t msg_name; /* Address to send to/receive from. */ + size_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. */ + + __ptr_t msg_accrights; /* Access rights information. */ + size_t msg_accrightslen; /* Length of access rights information. */ + }; + +/* Send a message described MESSAGE on socket FD. + Returns the number of bytes sent, or -1 for errors. */ +extern int sendmsg __P ((int __fd, __const struct msghdr *__message, + int __flags)); + +/* Receive a message as described by MESSAGE from socket FD. + Returns the number of bytes read or -1 for errors. */ +extern int recvmsg __P ((int __fd, struct msghdr *__message, int __flags)); + + +/* 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. */ + SO_ACCEPTCONN = 0x0002, /* Accept connections on socket. */ + SO_REUSEADDR = 0x0004, /* Allow reuse of local addresses. */ + SO_KEEPALIVE = 0x0008, /* Keep connections alive and send + SIGPIPE when they die. */ + SO_DONTROUTE = 0x0010, /* Don't do local routing. */ + SO_BROADCAST = 0x0020, /* Allow transmission of + broadcast messages. */ + SO_USELOOPBACK = 0x0040, /* Use the software loopback to avoid + hardware use when possible. */ + SO_LINGER = 0x0080, /* Block on close of a reliable + socket to transmit pending data. */ + SO_OOBINLINE = 0x0100, /* Receive out-of-band data in-band. */ + + SO_REUSEPORT = 0x0200, /* Allow local address and port reuse. */ + + SO_SNDBUF = 0x1001, /* Send buffer size. */ + SO_RCVBUF = 0x1002, /* Receive buffer. */ + SO_SNDLOWAT = 0x1003, /* Send low-water mark. */ + SO_RCVLOWAT = 0x1004, /* Receive low-water mark. */ + SO_SNDTIMEO = 0x1005, /* Send timeout. */ + SO_RCVTIMEO = 0x1006, /* Receive timeout. */ + + SO_ERROR = 0x1007, /* Get and clear error status. */ + SO_STYLE = 0x1008, /* Get socket connection style. */ + SO_TYPE = SO_STYLE, /* Compatible name for SO_STYLE. */ + }; + +/* Structure used to manipulate the SO_LINGER option. */ +struct linger + { + int l_onoff; /* Nonzero to linger on close. */ + int l_linger; /* Time to linger. */ + }; + + +/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL + into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's + actual length. Returns 0 on success, -1 for errors. */ +extern int getsockopt __P ((int __fd, int __level, int __optname, + __ptr_t __optval, size_t *__optlen)); + +/* Set socket FD's option OPTNAME at protocol level LEVEL + to *OPTVAL (which is OPTLEN bytes long). + Returns 0 on success, -1 for errors. */ +extern int setsockopt __P ((int __fd, int __level, int __optname, + __ptr_t __optval, size_t __optlen)); + + +/* Prepare to accept connections on socket FD. + N connection requests will be queued before further requests are refused. + Returns 0 on success, -1 for errors. */ +extern int listen __P ((int __fd, unsigned int __n)); + +/* Await a connection on socket FD. + When a connection arrives, open a new socket to communicate with it, + set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting + peer and *ADDR_LEN to the address's actual length, and return the + new socket's descriptor, or -1 for errors. */ +extern int accept __P ((int __fd, __SOCKADDR_ARG __addr, + size_t *__addr_len)); + +/* Shut down all or part of the connection open on socket FD. + HOW determines what to shut down: + 0 = No more receptions; + 1 = No more transmissions; + 2 = No more receptions or transmissions. + Returns 0 on success, -1 for errors. */ +extern int shutdown __P ((int __fd, int __how)); + + +__END_DECLS + +#endif /* sys/socket.h */ |