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-rw-r--r--include/sys/socket.h261
1 files changed, 166 insertions, 95 deletions
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 3a898ee13..7642e7502 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -1,136 +1,207 @@
-#ifndef _SYS_SOCKET_H
-#define _SYS_SOCKET_H
+/* Declarations of socket constants, types, and functions.
+ Copyright (C) 1991,92,94,95,96,97,98,99 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 _SYS_SOCKET_H
+#define _SYS_SOCKET_H 1
#include <features.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <linux/socket.h>
-#ifdef _MIT_POSIX_THREADS
-#include <pthread/mit/posix.h>
+__BEGIN_DECLS
+
+#define __need_size_t
+#include <stddef.h>
+
+
+/* This operating system-specific header file defines the SOCK_*, PF_*,
+ AF_*, MSG_*, SOL_*, and SO_* constants, and the `struct sockaddr',
+ `struct msghdr', and `struct linger' types. */
+#include <bits/socket.h>
+
+#ifdef __USE_BSD
+/* This is the 4.3 BSD `struct sockaddr' format, which is used as wire
+ format in the grotty old 4.3 `talk' protocol. */
+struct osockaddr
+ {
+ unsigned short int sa_family;
+ unsigned char sa_data[14];
+ };
#endif
-__BEGIN_DECLS
+/* The following constants should be used for the second parameter of
+ `shutdown'. */
+enum
+{
+ SHUT_RD = 0, /* No more receptions. */
+#define SHUT_RD SHUT_RD
+ SHUT_WR, /* No more transmissions. */
+#define SHUT_WR SHUT_WR
+ SHUT_RDWR /* No more receptions or transmissions. */
+#define SHUT_RDWR SHUT_RDWR
+};
+
+/* 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.
+ G++ 2.7 does not support transparent unions so there we want the
+ old-style declaration, too. */
+#if (!defined __GNUC__ || __GNUC__ < 2 || defined __cplusplus || \
+ (__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
-/* struct msghdr is not defined in linux 1.2. This will allow sendmsg
- and recvmsg in libc 5.2.9 to compile under 1.2.x and shouldn't cause
- any problem for 1.3.x */
-struct msghdr;
/* 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. */
-int socket __P ((int __family, int __type, int __protocol));
+ 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, int __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. */
-int socketpair __P ((int __family, int __type, int __protocol,
- int __sockvec[2]));
-
-/* Give the socket FD the local address ADDR (which is LEN bytes
- long). */
-int bind __P ((int __sockfd, __const struct sockaddr *__my_addr,
- int __addrlen));
-
-/* 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. */
-int connect __P ((int __sockfd, __const struct sockaddr *__serv_addr,
- int __addrlen));
+ one will be chosen automatically. Returns 0 on success, -1 for errors. */
+extern int socketpair __P ((int __domain, int __type, int __protocol,
+ int __fds[2]));
-/* 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. */
-int listen __P ((int __sockfd, 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. */
-int accept __P ((int __sockfd, __const struct sockaddr *__peer,
- int *__paddrlen));
-
-/* 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. */
-int getsockopt __P ((int __s, int __level, int __optname,
- void *__optval, int *__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. */
-int setsockopt __P ((int __s, int __level, int __optname,
- __const void *__optval, int optlen));
+/* Give the socket FD the local address ADDR (which is LEN bytes long). */
+extern int bind __P ((int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len));
/* Put the local address of FD into *ADDR and its length in *LEN. */
-int getsockname __P ((int __sockfd, struct sockaddr *__addr,
- int *__paddrlen));
+extern int getsockname __P ((int __fd, __SOCKADDR_ARG __addr,
+ socklen_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, socklen_t __len));
+extern int connect __P ((int __fd,
+ __CONST_SOCKADDR_ARG __addr, socklen_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. */
-int getpeername __P ((int __sockfd, struct sockaddr *__peer,
- int *__paddrlen));
+extern int getpeername __P ((int __fd, __SOCKADDR_ARG __addr,
+ socklen_t *__len));
+
-/* Send N bytes of BUF to socket FD. Returns the number sent or -1. */
-int send __P ((int __sockfd, __const void *__buff, size_t __len,
- unsigned int __flags));
+/* Send N bytes of BUF to socket FD. Returns the number sent or -1. */
+extern int __send __P ((int __fd, __const __ptr_t __buf, size_t __n,
+ int __flags));
+extern int send __P ((int __fd, __const __ptr_t __buf, size_t __n,
+ int __flags));
/* Read N bytes into BUF from socket FD.
Returns the number read or -1 for errors. */
-int recv __P ((int __sockfd, void *__buff, size_t __len,
- unsigned int __flags));
+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. */
-int sendto __P ((int __sockfd, __const void *__buff, size_t __len,
- unsigned int __flags, __const struct sockaddr *__to,
- int __tolen));
+ ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
+extern int sendto __P ((int __fd, __const __ptr_t __buf, size_t __n,
+ int __flags, __CONST_SOCKADDR_ARG __addr,
+ socklen_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. */
-int recvfrom __P ((int __sockfd, void *__buff, size_t __len,
- unsigned int __flags, struct sockaddr *__from,
- int *__fromlen));
+ 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, socklen_t *__addr_len));
+
/* 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,
- unsigned int __flags));
+ 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,
- unsigned int __flags));
-
+extern int recvmsg __P ((int __fd, struct msghdr *__message, int __flags));
+
+
+/* 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, socklen_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,
+ __const __ptr_t __optval, socklen_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,
+ socklen_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.
+ SHUT_RD = No more receptions;
+ SHUT_WR = No more transmissions;
+ SHUT_RDWR = No more receptions or transmissions.
Returns 0 on success, -1 for errors. */
-int shutdown __P ((int __sockfd, int __how));
+extern int shutdown __P ((int __fd, int __how));
-/* belongs here or elsewhere? */
-int rcmd __P ((char **__ahost, unsigned short __inport,
- __const char *__locuser, __const char *__remuser,
- __const char *__cmd, int *__fd2p));
-int rresvport __P ((int *__port));
-int ruserok __P ((__const char *__rhost, int __superuser,
- __const char *__ruser, __const char *__luser));
-int rexec __P ((char **__ahost, int __inport, __const char *__user,
- __const char *__passwd, __const char *__cmd,
- int *__fd2p));
+/* FDTYPE is S_IFSOCK or another S_IF* macro defined in <sys/stat.h>;
+ returns 1 if FD is open on an object of the indicated type, 0 if not,
+ or -1 for errors (setting errno). */
+extern int isfdtype __P ((int __fd, int __fdtype));
__END_DECLS
-#endif /* _SYS_SOCKET_H */
+#endif /* sys/socket.h */