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authorRichard Lowe <richlowe@richlowe.net>2011-03-14 14:05:30 -0400
committerRichard Lowe <richlowe@richlowe.net>2011-03-14 14:05:30 -0400
commitc10c16dec587a0662068f6e2991c29ed3a9db943 (patch)
treef414286f4bba41d75683ed4fbbaa6bfa4bf7fabd /usr/src/man/man3socket/connect.3socket
parent68caef18a23a498d9e3017b983562c0f4fd8ab23 (diff)
downloadillumos-joyent-c10c16dec587a0662068f6e2991c29ed3a9db943.tar.gz
243 system manual pages should live with the software
Reviewed by: garrett@nexenta.com Reviewed by: gwr@nexenta.com Reviewed by: trisk@opensolaris.org Approved by: gwr@nexenta.com --HG-- extra : rebase_source : 0c599d0bec0dc8865fbba67721a7a6cd6b1feefb
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+'\" te
+.\" Copyright (C) 2005, Sun Microsystems, Inc.
+.\" All Rights Reserved
+.\" Copyright 1989 AT&T All Rights Reserved
+.\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
+.\" You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License.
+.\" When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
+.TH connect 3SOCKET "08 Mar 2005" "SunOS 5.11" "Sockets Library Functions"
+.SH NAME
+connect \- initiate a connection on a socket
+.SH SYNOPSIS
+.LP
+.nf
+\fBcc\fR [ \fIflag\fR ... ] \fIfile\fR ... \fB-lsocket\fR \fB -lnsl \fR [ \fIlibrary\fR ... ]
+#include <sys/types.h>
+#include <sys/socket.h>
+
+
+
+\fBint\fR \fBconnect\fR(\fBint\fR \fIs\fR, \fBconst struct sockaddr *\fR\fIname\fR, \fBint\fR \fInamelen\fR);
+.fi
+
+.SH DESCRIPTION
+.sp
+.LP
+The parameter \fIs\fR is a socket. If it is of type \fBSOCK_DGRAM\fR,
+\fBconnect()\fR specifies the peer with which the socket is to be associated.
+This address is the address to which datagrams are to be sent if a receiver is
+not explicitly designated. This address is the only address from which
+datagrams are to be received. If the socket \fIs\fR is of type
+\fBSOCK_STREAM\fR, \fBconnect()\fR attempts to make a connection to another
+socket. The other socket is specified by \fIname\fR. \fIname\fR is an address
+in the communication space of the socket. Each communication space interprets
+the \fIname\fR parameter in its own way. If \fIs\fR is not bound, then \fIs\fR
+will be bound to an address selected by the underlying transport provider.
+Generally, stream sockets can successfully \fBconnect()\fR only once. Datagram
+sockets can use \fBconnect()\fR multiple times to change their association.
+Datagram sockets can dissolve the association by connecting to a null address.
+.SH RETURN VALUES
+.sp
+.LP
+If the connection or binding succeeds, \fB0\fR is returned. Otherwise,
+\fB\(mi1\fR is returned and sets \fBerrno\fR to indicate the error.
+.SH ERRORS
+.sp
+.LP
+The call fails if:
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEACCES\fR\fR
+.ad
+.RS 17n
+.rt
+Search permission is denied for a component of the path prefix of the pathname
+in \fIname\fR.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEADDRINUSE\fR\fR
+.ad
+.RS 17n
+.rt
+The address is already in use.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEADDRNOTAVAIL\fR\fR
+.ad
+.RS 17n
+.rt
+The specified address is not available on the remote machine.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEAFNOSUPPORT\fR\fR
+.ad
+.RS 17n
+.rt
+Addresses in the specified address family cannot be used with this socket.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEALREADY\fR\fR
+.ad
+.RS 17n
+.rt
+The socket is non-blocking, and a previous connection attempt has not yet been
+completed.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEBADF\fR\fR
+.ad
+.RS 17n
+.rt
+\fIs\fR is not a valid descriptor.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBECONNREFUSED\fR\fR
+.ad
+.RS 17n
+.rt
+The attempt to connect was forcefully rejected. The calling program should
+\fBclose\fR(2) the socket descriptor, and issue another \fBsocket\fR(3SOCKET)
+call to obtain a new descriptor before attempting another \fBconnect()\fR call.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEINPROGRESS\fR\fR
+.ad
+.RS 17n
+.rt
+The socket is non-blocking, and the connection cannot be completed immediately.
+You can use \fBselect\fR(3C) to complete the connection by selecting the
+socket for writing.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEINTR\fR\fR
+.ad
+.RS 17n
+.rt
+The connection attempt was interrupted before any data arrived by the delivery
+of a signal. The connection, however, will be established asynchronously.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEINVAL\fR\fR
+.ad
+.RS 17n
+.rt
+\fInamelen\fR is not the size of a valid address for the specified address
+family.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEIO\fR\fR
+.ad
+.RS 17n
+.rt
+An I/O error occurred while reading from or writing to the file system.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEISCONN\fR\fR
+.ad
+.RS 17n
+.rt
+The socket is already connected.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBELOOP\fR\fR
+.ad
+.RS 17n
+.rt
+Too many symbolic links were encountered in translating the pathname in
+\fIname\fR.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBENETUNREACH\fR\fR
+.ad
+.RS 17n
+.rt
+The network is not reachable from this host.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEHOSTUNREACH\fR\fR
+.ad
+.RS 17n
+.rt
+The remote host is not reachable from this host.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBENOENT\fR\fR
+.ad
+.RS 17n
+.rt
+A component of the path prefix of the pathname in \fIname\fR does not exist.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBENOENT\fR\fR
+.ad
+.RS 17n
+.rt
+The socket referred to by the pathname in \fIname\fR does not exist.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBENOSR\fR\fR
+.ad
+.RS 17n
+.rt
+There were insufficient \fBSTREAMS\fR resources available to complete the
+operation.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBENXIO\fR\fR
+.ad
+.RS 17n
+.rt
+The server exited before the connection was complete.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBETIMEDOUT\fR\fR
+.ad
+.RS 17n
+.rt
+Connection establishment timed out without establishing a connection.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEWOULDBLOCK\fR\fR
+.ad
+.RS 17n
+.rt
+The socket is marked as non-blocking, and the requested operation would block.
+.RE
+
+.sp
+.LP
+The following errors are specific to connecting names in the UNIX domain.
+These errors might not apply in future versions of the UNIX \fBIPC\fR domain.
+.sp
+.ne 2
+.mk
+.na
+\fB\fBENOTDIR\fR\fR
+.ad
+.RS 14n
+.rt
+A component of the path prefix of the pathname in \fIname\fR is not a
+directory.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBENOTSOCK\fR\fR
+.ad
+.RS 14n
+.rt
+\fIs\fR is not a socket.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBENOTSOCK\fR\fR
+.ad
+.RS 14n
+.rt
+\fIname\fR is not a socket.
+.RE
+
+.sp
+.ne 2
+.mk
+.na
+\fB\fBEPROTOTYPE\fR\fR
+.ad
+.RS 14n
+.rt
+The file that is referred to by \fIname\fR is a socket of a type other than
+type \fIs\fR. For example, \fIs\fR is a \fBSOCK_DGRAM\fR socket, while
+\fIname\fR refers to a \fBSOCK_STREAM\fR socket.
+.RE
+
+.SH ATTRIBUTES
+.sp
+.LP
+See \fBattributes\fR(5) for descriptions of the following attributes:
+.sp
+
+.sp
+.TS
+tab() box;
+cw(2.75i) |cw(2.75i)
+lw(2.75i) |lw(2.75i)
+.
+ATTRIBUTE TYPEATTRIBUTE VALUE
+_
+MT-LevelSafe
+.TE
+
+.SH SEE ALSO
+.sp
+.LP
+\fBclose\fR(2), \fBaccept\fR(3SOCKET), \fBgetsockname\fR(3SOCKET),
+\fBselect\fR(3C), \fBsocket\fR(3SOCKET), \fBsocket.h\fR(3HEAD),
+\fBattributes\fR(5)