etlegacy-libs/curl/docs/libcurl/opts/CURLOPT_TCP_FASTOPEN.html
2016-09-16 06:35:46 +02:00

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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
<p class="level0">CURLOPT_TCP_FASTOPEN - enable TCP Fast Open <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
<p class="level0">&#35;include &lt;curl/curl.h&gt;
<p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_TCP_FASTOPEN, long enable); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass a long as parameter set to 1 to enable or 0 to disable.
<p class="level0">TCP Fast Open (RFC7413) is a mechanism that allows data to be carried in the SYN and SYN-ACK packets and consumed by the receiving end during the initial connection handshake, saving up to one full round-trip time (RTT). <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
<p class="level0">0 <a name="PROTOCOLS"></a><h2 class="nroffsh">PROTOCOLS</h2>
<p class="level0">All <a name="EXAMPLE"></a><h2 class="nroffsh">EXAMPLE</h2>
<p class="level0">TODO <a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
<p class="level0">Added in 7.49.0. This option is currently only supported on Linux and OS X El Capitan. <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
<p class="level0">Returns CURLE_OK if fast open is supported by the operating system, otherwise returns CURLE_NOT_BUILT_IN. <p class="roffit">
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