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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /socket
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initial import
Diffstat (limited to 'socket')
-rw-r--r--socket/Makefile30
-rw-r--r--socket/sys/socket.h310
-rw-r--r--socket/sys/un.h33
3 files changed, 373 insertions, 0 deletions
diff --git a/socket/Makefile b/socket/Makefile
new file mode 100644
index 0000000..fa33a9d
--- /dev/null
+++ b/socket/Makefile
@@ -0,0 +1,30 @@
+# Copyright (C) 1991, 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 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.
+
+#
+# Sub-makefile for socket portion of the library.
+#
+subdir := socket
+
+headers := sys/socket.h sys/un.h sockaddrcom.h
+
+routines := accept bind connect getpeername getsockname getsockopt \
+ listen recv recvfrom recvmsg send sendmsg sendto \
+ setsockopt shutdown socket socketpair
+
+include ../Rules
diff --git a/socket/sys/socket.h b/socket/sys/socket.h
new file mode 100644
index 0000000..6521721
--- /dev/null
+++ b/socket/sys/socket.h
@@ -0,0 +1,310 @@
+/* Copyright (C) 1991, 1992, 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 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, 1992 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.
+
+ NOTE: Since this functionality is volatile, I'm disabling the use of it for
+ now.
+
+ With GCC 2.6 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__ < 6)*/ 1)
+#define __SOCKADDR_ARG struct sockaddr *
+#else
+/* Bring these names into being at top-level scope, in case they have not been
+ defined yet. Add more `struct sockaddr_AF' types here as necessary. */
+struct sockaddr_in;
+struct sockaddr_un;
+struct sockaddr_ns;
+typedef union { struct sockaddr *__sa;
+ struct sockaddr_in *__sa_in;
+ struct sockaddr_un *__sa_un;
+ struct sockaddr_ns *__sa_ns;
+ } __SOCKADDR_ARG __attribute__ ((transparent_union));
+#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, __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, __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,
+ __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 */
diff --git a/socket/sys/un.h b/socket/sys/un.h
new file mode 100644
index 0000000..022a286
--- /dev/null
+++ b/socket/sys/un.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 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 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_UN_H
+
+#define _SYS_UN_H 1
+
+/* Get the definition of the macro to define the common sockaddr members. */
+#include <sockaddrcom.h>
+
+/* Structure describing the address of an AF_LOCAL (aka AF_UNIX) socket. */
+struct sockaddr_un
+ {
+ __SOCKADDR_COMMON (sun_);
+ char sun_path[108]; /* Path name. */
+ };
+
+#endif /* sys/un.h */