Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/opts/CURLOPT_TCP_NODELAY.3 @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .\"
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23 .TH CURLOPT_TCP_NODELAY 3 "30 Jun 2016" "libcurl 7.50.0" "curl_easy_setopt options"
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24 .SH NAME
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25 CURLOPT_TCP_NODELAY \- set the TCP_NODELAY option
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26 .SH SYNOPSIS
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27 #include <curl/curl.h>
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28
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29 CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_NODELAY, long nodelay);
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30 .SH DESCRIPTION
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31 Pass a long specifying whether the TCP_NODELAY option is to be set or cleared
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32 (1L = set, 0 = clear). The option is set by default. This will have no effect
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33 after the connection has been established.
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34
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35 Setting this option to 1L will disable TCP's Nagle algorithm on this
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36 connection. The purpose of this algorithm is to try to minimize the number of
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37 small packets on the network (where "small packets" means TCP segments less
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38 than the Maximum Segment Size (MSS) for the network).
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39
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40 Maximizing the amount of data sent per TCP segment is good because it
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41 amortizes the overhead of the send. However, in some cases small segments may
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42 need to be sent without delay. This is less efficient than sending larger
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43 amounts of data at a time, and can contribute to congestion on the network if
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44 overdone.
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45 .SH DEFAULT
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46 1
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47 .SH PROTOCOLS
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48 All
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49 .SH EXAMPLE
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50 .nf
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51 CURL *curl = curl_easy_init();
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52 if(curl) {
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53 curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
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54 /* disable Nagle */
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55 curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 0);
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56 curl_easy_perform(curl);
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57 }
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58 .fi
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59 .SH AVAILABILITY
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60 Always. The default was changed to 1 from 0 in 7.50.2.
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61 .SH RETURN VALUE
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62 Returns CURLE_OK
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63 .SH "SEE ALSO"
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64 .BR CURLOPT_SOCKOPTFUNCTION "(3), " CURLOPT_TCP_KEEPALIVE "(3), "