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<title>curl_share_setopt man page</title>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
<p class="level0">curl_share_setopt - Set options for a shared object <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
<p class="level0"><span Class="bold">#include &lt;curl/curl.h&gt;</span> 
<p class="level0">CURLSHcode curl_share_setopt(CURLSH *share, CURLSHoption option, parameter); 
<p class="level0"><a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Set the <span Class="emphasis">option</span> to <span Class="emphasis">parameter</span> for the given <span Class="emphasis">share</span>. <a name="OPTIONS"></a><h2 class="nroffsh">OPTIONS</h2>
<p class="level0">
<p class="level0"><a name="CURLSHOPTLOCKFUNC"></a><span class="nroffip">CURLSHOPT_LOCKFUNC</span> 
<p class="level1">The <span Class="emphasis">parameter</span> must be a pointer to a function matching the following prototype: 
<p class="level1">void lock_function(CURL *handle, curl_lock_data data, curl_lock_access access, void *userptr); 
<p class="level1"><span Class="emphasis">data</span> defines what data libcurl wants to lock, and you must make sure that only one lock is given at any time for each kind of data. 
<p class="level1"><span Class="emphasis">access</span> defines what access type libcurl wants, shared or single. 
<p class="level1"><span Class="emphasis">userptr</span> is the pointer you set with <a class="emphasis" href="#CURLSHOPTUSERDATA">CURLSHOPT_USERDATA</a>. 
<p class="level0"><a name="CURLSHOPTUNLOCKFUNC"></a><span class="nroffip">CURLSHOPT_UNLOCKFUNC</span> 
<p class="level1">The <span Class="emphasis">parameter</span> must be a pointer to a function matching the following prototype: 
<p class="level1">void unlock_function(CURL *handle, curl_lock_data data, void *userptr); 
<p class="level1"><span Class="emphasis">data</span> defines what data libcurl wants to unlock, and you must make sure that only one lick is given at any time for each kind of data. 
<p class="level1"><span Class="emphasis">userptr</span> is the pointer you set with <a class="emphasis" href="#CURLSHOPTUSERDATA">CURLSHOPT_USERDATA</a>. 
<p class="level0"><a name="CURLSHOPTSHARE"></a><span class="nroffip">CURLSHOPT_SHARE</span> 
<p class="level1">The <span Class="emphasis">parameter</span> specifies a type of data that should be shared. This may be set to one of the values described below. 
<p class="level2">
<p class="level1"><a name="CURLLOCKDATACOOKIE"></a><span class="nroffip">CURL_LOCK_DATA_COOKIE</span> 
<p class="level2">Cookie data will be shared across the easy handles using this shared object. 
<p class="level1"><a name="CURLLOCKDATADNS"></a><span class="nroffip">CURL_LOCK_DATA_DNS</span> 
<p class="level2">Cached DNS hosts will be shared across the easy handles using this shared object. 
<p class="level1">
<p class="level0"><a name="CURLSHOPTUNSHARE"></a><span class="nroffip">CURLSHOPT_UNSHARE</span> 
<p class="level1">This option does the opposite of <a class="emphasis" href="#CURLSHOPTSHARE">CURLSHOPT_SHARE</a>. It specifies that the specified <span Class="emphasis">parameter</span> will no longer be shared. Valid values are  the same as those for <a class="emphasis" href="#CURLSHOPTSHARE">CURLSHOPT_SHARE</a>. 
<p class="level0"><a name="CURLSHOPTUSERDATA"></a><span class="nroffip">CURLSHOPT_USERDATA</span> 
<p class="level1">The <span Class="emphasis">parameter</span> allows you to specify a pointer to data that will passed to the lock_function and unlock_function each time it is called. <a name="RETURN"></a><h2 class="nroffsh">RETURN VALUE</h2>
<p class="level0">CURLSHE_OK (zero) means that the option was set properly, non-zero means an error occurred as <span Class="emphasis">&lt;curl/curl.h&gt;</span> defines. See the <span Class="emphasis">libcurl-errors.3</span> man page for the full list with descriptions. <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
<p class="level0"><a class="manpage" href="./curl_share_cleanup.html">curl_share_cleanup (3)</a> <a class="manpage" href="./curl_share_init.html">  curl_share_init (3)</a> <p class="roffit">
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