2015-09-13 22:07:05 +08:00
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.\" **************************************************************************
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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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.\" * Copyright (C) 1998 - 2015, 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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.\"
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.TH CURLOPT_STREAM_DEPENDS 3 "13 Sep 2015" "libcurl 7.46.0" "curl_easy_setopt options"
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.SH NAME
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CURLOPT_STREAM_DEPENDS \- set stream this transfer depends on
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.SH SYNOPSIS
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_STREAM_DEPENDS, CURL *dephandle);
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.SH DESCRIPTION
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Pass a CURL * pointer in \fIdephandle\fP to identify the stream within the
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same connection that this stream is depending upon. This option clears the
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exclusive it and is mutually exclusive to the
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\fICURLOPT_STREAM_DEPENDS_E(3)\fP option.
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The spec says "Including a dependency expresses a preference to allocate
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resources to the identified stream rather than to the dependent stream."
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This option can be set during transfer.
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\fIdephandle\fP must not be the same as \fIhandle\fP, that will cause this
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function to return an error. It must be another easy handle, and it also needs
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to be a handle of a transfer that will be sent over the same HTTP/2 connection
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for this option to have an actual effect.
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.SH DEFAULT
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NULL
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.SH PROTOCOLS
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HTTP/2
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.SH EXAMPLE
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TODO
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.SH AVAILABILITY
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Added in 7.46.0
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH "SEE ALSO"
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2015-10-22 04:47:24 +08:00
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.BR CURLOPT_STREAM_WEIGHT "(3), " CURLOPT_STREAM_DEPENDS_E "(3), "
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