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./configure --host=i686-w64-mingw32 \ --prefix=$HOME/devel/games/doom3-libs/i686-w64-mingw32
63 lines
2.9 KiB
Groff
63 lines
2.9 KiB
Groff
.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * / __| | | | |_) | |
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.\" * | (__| |_| | _ <| |___
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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.\" * are also available at http://curl.haxx.se/docs/copyright.html.
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.\" *
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.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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.\" * copies of the Software, and permit persons to whom the Software is
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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.TH curl_multi_assign 3 "9 Jul 2006" "libcurl 7.16.0" "libcurl Manual"
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.SH NAME
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curl_multi_assign \- set data to association with an internal socket
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLMcode curl_multi_assign(CURLM *multi_handle, curl_socket_t sockfd,
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void *sockptr);
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.SH DESCRIPTION
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This function assigns an association in the multi handle between the given
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socket and a private pointer of the application. This is (only) useful for
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\fIcurl_multi_socket(3)\fP uses.
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When set, the \fIsockptr\fP pointer will be passed to all future socket
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callbacks for the specific \fIsockfd\fP socket.
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If the given \fIsockfd\fP isn't already in use by libcurl, this function will
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return an error.
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libcurl only keeps one single pointer associated with a socket, so calling
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this function several times for the same socket will make the last set pointer
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get used.
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The idea here being that this association (socket to private pointer) is
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something that just about every application that uses this API will need and
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then libcurl can just as well do it since it already has an internal hash
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table lookup for this.
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.SH "RETURN VALUE"
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The standard CURLMcode for multi interface error codes.
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.SH "TYPICAL USAGE"
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In a typical application you allocate a struct or at least use some kind of
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semi-dynamic data for each socket that we must wait for action on when using
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the \fIcurl_multi_socket(3)\fP approach.
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When our socket-callback gets called by libcurl and we get to know about yet
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another socket to wait for, we can use \fIcurl_multi_assign(3)\fP to point out
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the particular data so that when we get updates about this same socket again,
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we don't have to find the struct associated with this socket by ourselves.
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.SH AVAILABILITY
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This function was added in libcurl 7.15.5, although not deemed stable yet.
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.SH "SEE ALSO"
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.BR curl_multi_setopt "(3), " curl_multi_socket "(3) "
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