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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>threads</title><meta name="generator" content="DocBook XSL Stylesheets V1.60.1"><meta xmlns="http://www.w3.org/TR/xhtml1/transitional" name="generator" content="GTK-Doc V1.0 (XML mode)"></meta><style xmlns="http://www.w3.org/TR/xhtml1/transitional" type="text/css">
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</style><link rel="home" href="index.html" title="[Insert name here] Reference Manual"><link rel="up" href="ch01.html" title="[Insert title here]"><link rel="previous" href="libxml-schemasInternals.html" title="schemasInternals"><link rel="next" href="libxml-parser.html" title="parser"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libxml-schemasInternals.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></img></a></td><td><a accesskey="u" href="ch01.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></img></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></img></a></td><th width="100%" align="center">[Insert name here] Reference Manual</th><td><a accesskey="n" href="libxml-parser.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></img></a></td></tr></table><div class="refentry" lang="en"><a name="libxml-threads"></a><div class="titlepage"><div></div><div></div></div><div class="refnamediv"><h2><span class="refentrytitle">threads</span></h2><p>threads — </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
struct <a href="libxml-threads.html#xmlMutex">xmlMutex</a>;
typedef <a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a>;
struct <a href="libxml-threads.html#xmlRMutex">xmlRMutex</a>;
typedef <a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a>;
<a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a> <a href="libxml-threads.html#xmlNewMutex">xmlNewMutex</a> (void);
void <a href="libxml-threads.html#xmlMutexLock">xmlMutexLock</a> (<a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok);
void <a href="libxml-threads.html#xmlMutexUnlock">xmlMutexUnlock</a> (<a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok);
void <a href="libxml-threads.html#xmlFreeMutex">xmlFreeMutex</a> (<a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok);
<a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> <a href="libxml-threads.html#xmlNewRMutex">xmlNewRMutex</a> (void);
void <a href="libxml-threads.html#xmlRMutexLock">xmlRMutexLock</a> (<a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok);
void <a href="libxml-threads.html#xmlRMutexUnlock">xmlRMutexUnlock</a> (<a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok);
void <a href="libxml-threads.html#xmlFreeRMutex">xmlFreeRMutex</a> (<a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok);
void <a href="libxml-threads.html#xmlInitThreads">xmlInitThreads</a> (void);
void <a href="libxml-threads.html#xmlLockLibrary">xmlLockLibrary</a> (void);
void <a href="libxml-threads.html#xmlUnlockLibrary">xmlUnlockLibrary</a> (void);
int <a href="libxml-threads.html#xmlGetThreadId">xmlGetThreadId</a> (void);
int <a href="libxml-threads.html#xmlIsMainThread">xmlIsMainThread</a> (void);
void <a href="libxml-threads.html#xmlCleanupThreads">xmlCleanupThreads</a> (void);
<a href="libxml-globals.html#xmlGlobalStatePtr">xmlGlobalStatePtr</a> <a href="libxml-threads.html#xmlGetGlobalState">xmlGetGlobalState</a> (void);
</pre></div><div class="refsect1" lang="en"><h2>Description</h2><p>
</p></div><div class="refsect1" lang="en"><h2>Details</h2><div class="refsect2" lang="en"><h3><a name="xmlMutex"></a>struct xmlMutex</h3><pre class="programlisting">struct xmlMutex;</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlMutexPtr"></a>xmlMutexPtr</h3><pre class="programlisting">typedef xmlMutex *xmlMutexPtr;
</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlRMutex"></a>struct xmlRMutex</h3><pre class="programlisting">struct xmlRMutex;</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlRMutexPtr"></a>xmlRMutexPtr</h3><pre class="programlisting">typedef xmlRMutex *xmlRMutexPtr;
</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlNewMutex"></a>xmlNewMutex ()</h3><pre class="programlisting"><a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a> xmlNewMutex (void);</pre><p>
<a href="libxml-threads.html#xmlNewMutex">xmlNewMutex</a>() is used to allocate a libxml2 token struct for use in
synchronizing access to data.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>a new simple mutex pointer or NULL in case of error
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlMutexLock"></a>xmlMutexLock ()</h3><pre class="programlisting">void xmlMutexLock (<a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok);</pre><p>
<a href="libxml-threads.html#xmlMutexLock">xmlMutexLock</a>() is used to lock a libxml2 token.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>tok</tt></i> :</span></td><td> the simple mutex
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlMutexUnlock"></a>xmlMutexUnlock ()</h3><pre class="programlisting">void xmlMutexUnlock (<a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok);</pre><p>
<a href="libxml-threads.html#xmlMutexUnlock">xmlMutexUnlock</a>() is used to unlock a libxml2 token.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>tok</tt></i> :</span></td><td> the simple mutex
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlFreeMutex"></a>xmlFreeMutex ()</h3><pre class="programlisting">void xmlFreeMutex (<a href="libxml-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok);</pre><p>
<a href="libxml-threads.html#xmlFreeMutex">xmlFreeMutex</a>() is used to reclaim resources associated with a libxml2 token
struct.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>tok</tt></i> :</span></td><td> the simple mutex
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlNewRMutex"></a>xmlNewRMutex ()</h3><pre class="programlisting"><a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> xmlNewRMutex (void);</pre><p>
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlRNewMutex">xmlRNewMutex</GTKDOCLINK>() is used to allocate a reentrant mutex for use in
synchronizing access to data. token_r is a re-entrant lock and thus useful
for synchronizing access to data structures that may be manipulated in a
recursive fashion.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the new reentrant mutex pointer or NULL in case of error
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlRMutexLock"></a>xmlRMutexLock ()</h3><pre class="programlisting">void xmlRMutexLock (<a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok);</pre><p>
<a href="libxml-threads.html#xmlRMutexLock">xmlRMutexLock</a>() is used to lock a libxml2 token_r.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>tok</tt></i> :</span></td><td> the reentrant mutex
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlRMutexUnlock"></a>xmlRMutexUnlock ()</h3><pre class="programlisting">void xmlRMutexUnlock (<a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok);</pre><p>
<a href="libxml-threads.html#xmlRMutexUnlock">xmlRMutexUnlock</a>() is used to unlock a libxml2 token_r.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>tok</tt></i> :</span></td><td> the reentrant mutex
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlFreeRMutex"></a>xmlFreeRMutex ()</h3><pre class="programlisting">void xmlFreeRMutex (<a href="libxml-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok);</pre><p>
<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="xmlRFreeMutex">xmlRFreeMutex</GTKDOCLINK>() is used to reclaim resources associated with a
reentrant mutex.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i class="parameter"><tt>tok</tt></i> :</span></td><td> the reentrant mutex
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlInitThreads"></a>xmlInitThreads ()</h3><pre class="programlisting">void xmlInitThreads (void);</pre><p>
<a href="libxml-threads.html#xmlInitThreads">xmlInitThreads</a>() is used to to initialize all the thread related
data of the libxml2 library.</p><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlLockLibrary"></a>xmlLockLibrary ()</h3><pre class="programlisting">void xmlLockLibrary (void);</pre><p>
<a href="libxml-threads.html#xmlLockLibrary">xmlLockLibrary</a>() is used to take out a re-entrant lock on the libxml2
library.</p><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlUnlockLibrary"></a>xmlUnlockLibrary ()</h3><pre class="programlisting">void xmlUnlockLibrary (void);</pre><p>
<a href="libxml-threads.html#xmlUnlockLibrary">xmlUnlockLibrary</a>() is used to release a re-entrant lock on the libxml2
library.</p><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlGetThreadId"></a>xmlGetThreadId ()</h3><pre class="programlisting">int xmlGetThreadId (void);</pre><p>
<a href="libxml-threads.html#xmlGetThreadId">xmlGetThreadId</a>() find the current thread ID number</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the current thread ID number
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlIsMainThread"></a>xmlIsMainThread ()</h3><pre class="programlisting">int xmlIsMainThread (void);</pre><p>
<a href="libxml-threads.html#xmlIsMainThread">xmlIsMainThread</a>() check whether the current thread is the main thread.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>1 if the current thread is the main thread, 0 otherwise
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlCleanupThreads"></a>xmlCleanupThreads ()</h3><pre class="programlisting">void xmlCleanupThreads (void);</pre><p>
<a href="libxml-threads.html#xmlCleanupThreads">xmlCleanupThreads</a>() is used to to cleanup all the thread related
data of the libxml2 library once processing has ended.</p><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlGetGlobalState"></a>xmlGetGlobalState ()</h3><pre class="programlisting"><a href="libxml-globals.html#xmlGlobalStatePtr">xmlGlobalStatePtr</a> xmlGetGlobalState (void);</pre><p>
<a href="libxml-threads.html#xmlGetGlobalState">xmlGetGlobalState</a>() is called to retrieve the global state for a thread.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the thread global state or NULL in case of error
</td></tr></tbody></table></div></div></div></div><table xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libxml-schemasInternals.html"><b><< schemasInternals</b></a></td><td align="right"><a accesskey="n" href="libxml-parser.html"><b>parser >></b></a></td></tr></table></body></html>
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