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* posix/glob.h (__glob_opendir_hook, __glob_readdir_hook,
__glob_closedir_hook): Remove decls. * sysdeps/generic/machine-gmon.h: Declare mcount_internal. * sysdeps/unix/inet/syscalls.list: Define __ names with weak aliases for send and connect syscalls. * socket/sys/socket.h: New file, taken from non-sysdep parts of linux/sys/socket.h; break sysdeps parts out into socketbits.h. Declare __ names for send and connect. * sysdeps/generic/socketbits.h: New file. * sysdeps/unix/sysv/linux/socketbits.h: New file. * sysdeps/unix/sysv/linux/sys/socket.h: File removed. * sysdeps/generic/sys/socket.h: File removed. * sysdeps/mach/hurd/connect.c: Define __ name and weak alias. * sysdeps/mach/hurd/send.c: Likewise.
This commit is contained in:
Roland McGrath
181
socket/sys/socket.h
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181
socket/sys/socket.h
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/* Declarations of socket constants, types, and functions.
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Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#ifndef _SYS_SOCKET_H
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#define _SYS_SOCKET_H 1
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#include <features.h>
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__BEGIN_DECLS
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#define __need_size_t
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#include <stddef.h>
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/* This operating system-specific header file defines the SOCK_*, PF_*,
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AF_*, MSG_*, SOL_*, and SO_* constants, and the `struct sockaddr',
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`struct msghdr', and `struct linger' types. */
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#include <socketbits.h>
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/* This is the type we use for generic socket address arguments.
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With GCC 2.7 and later, the funky union causes redeclarations or uses with
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any of the listed types to be allowed without complaint. */
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#if (!defined (__GNUC__) || __GNUC__ < 2 || \
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(__GNUC__ == 2 && __GNUC_MINOR__ < 7))
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#define __SOCKADDR_ARG struct sockaddr *
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#define __CONST_SOCKADDR_ARG __const struct sockaddr *
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#else
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/* Add more `struct sockaddr_AF' types here as necessary.
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These are all the ones I found on NetBSD and Linux. */
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#define __SOCKADDR_ALLTYPES \
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__SOCKADDR_ONETYPE (sockaddr) \
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__SOCKADDR_ONETYPE (sockaddr_at) \
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__SOCKADDR_ONETYPE (sockaddr_ax25) \
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__SOCKADDR_ONETYPE (sockaddr_dl) \
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__SOCKADDR_ONETYPE (sockaddr_eon) \
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__SOCKADDR_ONETYPE (sockaddr_in) \
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__SOCKADDR_ONETYPE (sockaddr_in6) \
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__SOCKADDR_ONETYPE (sockaddr_inarp) \
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__SOCKADDR_ONETYPE (sockaddr_ipx) \
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__SOCKADDR_ONETYPE (sockaddr_iso) \
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__SOCKADDR_ONETYPE (sockaddr_ns) \
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__SOCKADDR_ONETYPE (sockaddr_un) \
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__SOCKADDR_ONETYPE (sockaddr_x25)
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#define __SOCKADDR_ONETYPE(type) struct type *__##type##__;
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typedef union { __SOCKADDR_ALLTYPES
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} __SOCKADDR_ARG __attribute__ ((__transparent_union__));
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#undef __SOCKADDR_ONETYPE
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#define __SOCKADDR_ONETYPE(type) __const struct type *__##type##__;
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typedef union { __SOCKADDR_ALLTYPES
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} __CONST_SOCKADDR_ARG __attribute__ ((__transparent_union__));
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#undef __SOCKADDR_ONETYPE
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#endif
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/* Create a new socket of type TYPE in domain DOMAIN, using
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protocol PROTOCOL. If PROTOCOL is zero, one is chosen automatically.
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Returns a file descriptor for the new socket, or -1 for errors. */
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extern int socket __P ((int __domain, int __type, int __protocol));
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/* Create two new sockets, of type TYPE in domain DOMAIN and using
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protocol PROTOCOL, which are connected to each other, and put file
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descriptors for them in FDS[0] and FDS[1]. If PROTOCOL is zero,
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one will be chosen automatically. Returns 0 on success, -1 for errors. */
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extern int socketpair __P ((int __domain, int __type, int __protocol,
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int __fds[2]));
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/* Give the socket FD the local address ADDR (which is LEN bytes long). */
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extern int bind __P ((int __fd, __CONST_SOCKADDR_ARG __addr, size_t __len));
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/* Put the local address of FD into *ADDR and its length in *LEN. */
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extern int getsockname __P ((int __fd, __SOCKADDR_ARG __addr,
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size_t *__len));
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/* Open a connection on socket FD to peer at ADDR (which LEN bytes long).
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For connectionless socket types, just set the default address to send to
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and the only address from which to accept transmissions.
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Return 0 on success, -1 for errors. */
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extern int __connect __P ((int __fd,
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__CONST_SOCKADDR_ARG __addr, size_t __len));
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extern int connect __P ((int __fd,
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__CONST_SOCKADDR_ARG __addr, size_t __len));
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/* Put the address of the peer connected to socket FD into *ADDR
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(which is *LEN bytes long), and its actual length into *LEN. */
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extern int getpeername __P ((int __fd, __SOCKADDR_ARG __addr,
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size_t *__len));
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/* Send N bytes of BUF to socket FD. Returns the number sent or -1. */
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extern int __send __P ((int __fd, __ptr_t __buf, size_t __n, int __flags));
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extern int send __P ((int __fd, __ptr_t __buf, size_t __n, int __flags));
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/* Read N bytes into BUF from socket FD.
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Returns the number read or -1 for errors. */
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extern int recv __P ((int __fd, __ptr_t __buf, size_t __n, int __flags));
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/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
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ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
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extern int sendto __P ((int __fd, __ptr_t __buf, size_t __n, int __flags,
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__CONST_SOCKADDR_ARG __addr, size_t __addr_len));
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/* Read N bytes into BUF through socket FD.
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If ADDR is not NULL, fill in *ADDR_LEN bytes of it with tha address of
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the sender, and store the actual size of the address in *ADDR_LEN.
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Returns the number of bytes read or -1 for errors. */
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extern int recvfrom __P ((int __fd, __ptr_t __buf, size_t __n, int __flags,
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__SOCKADDR_ARG __addr, size_t *__addr_len));
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/* Send a message described MESSAGE on socket FD.
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Returns the number of bytes sent, or -1 for errors. */
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extern int sendmsg __P ((int __fd, __const struct msghdr *__message,
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int __flags));
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/* Receive a message as described by MESSAGE from socket FD.
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Returns the number of bytes read or -1 for errors. */
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extern int recvmsg __P ((int __fd, struct msghdr *__message, int __flags));
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/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
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into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
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actual length. Returns 0 on success, -1 for errors. */
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extern int getsockopt __P ((int __fd, int __level, int __optname,
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__ptr_t __optval, size_t *__optlen));
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/* Set socket FD's option OPTNAME at protocol level LEVEL
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to *OPTVAL (which is OPTLEN bytes long).
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Returns 0 on success, -1 for errors. */
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extern int setsockopt __P ((int __fd, int __level, int __optname,
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__ptr_t __optval, size_t __optlen));
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/* Prepare to accept connections on socket FD.
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N connection requests will be queued before further requests are refused.
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Returns 0 on success, -1 for errors. */
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extern int listen __P ((int __fd, unsigned int __n));
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/* Await a connection on socket FD.
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When a connection arrives, open a new socket to communicate with it,
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set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
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peer and *ADDR_LEN to the address's actual length, and return the
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new socket's descriptor, or -1 for errors. */
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extern int accept __P ((int __fd, __SOCKADDR_ARG __addr,
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size_t *__addr_len));
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/* Shut down all or part of the connection open on socket FD.
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HOW determines what to shut down:
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0 = No more receptions;
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1 = No more transmissions;
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2 = No more receptions or transmissions.
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Returns 0 on success, -1 for errors. */
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extern int shutdown __P ((int __fd, int __how));
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/* FDTYPE is S_IFSOCK or another S_IF* macro defined in <sys/stat.h>;
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returns 1 if FD is open on an object of the indicated type, 0 if not,
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or -1 for errors (setting errno). */
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extern int isfdtype __P ((int __fd, int __fdtype));
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__END_DECLS
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#endif /* sys/socket.h */
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