etlegacy-libs/curl/docs/libcurl/opts/CURLOPT_TCP_KEEPIDLE.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_KEEPIDLE - set TCP keep-alive idle time wait <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_KEEPIDLE, long delay); <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass a long. Sets the <span Class="emphasis">delay</span>, in seconds, that the operating system will wait while the connection is idle before sending keepalive probes. Not all operating systems support this option. <a name="DEFAULT"></a><h2 class="nroffsh">DEFAULT</h2>
<p class="level0">? <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"><pre class="level0">
CURL *curl = curl_easy_init();
if(curl) {
&nbsp; curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
&nbsp;
&nbsp; /* enable TCP keep-alive for this transfer */
&nbsp; curl_easy_setopt(curl, CURLOPT_TCP_KEEPALIVE, 1L);
&nbsp;
&nbsp; /* set keep-alive idle time to 120 seconds */
&nbsp; curl_easy_setopt(curl, CURLOPT_TCP_KEEPIDLE, 120L);
&nbsp;
&nbsp; /* interval time between keep-alive probes: 60 seconds */
&nbsp; curl_easy_setopt(curl, CURLOPT_TCP_KEEPINTVL, 60L);
&nbsp;
&nbsp; curl_easy_perform(curl);
}
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<p class="level0"><a name="AVAILABILITY"></a><h2 class="nroffsh">AVAILABILITY</h2>
<p class="level0">Added in 7.25.0 <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
<p class="level0">Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
<p class="level0"><a Class="manpage" href="./CURLOPT_TCP_KEEPALIVE.html">CURLOPT_TCP_KEEPALIVE</a>, <a Class="manpage" href="./CURLOPT_TCP_KEEPINTVL.html">CURLOPT_TCP_KEEPINTVL</a><p class="roffit">
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