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| <h2> |
| <span class="refentrytitle">threads</span> |
| </h2> |
| <p>threads - interfaces for thread handling</p> |
| <p>set of generic threading related routines should work with pthreads, Windows native or TLS threads </p> |
| <p>Author(s): Daniel Veillard </p> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <pre class="synopsis">typedef struct _xmlMutex <a href="#xmlMutex">xmlMutex</a>; |
| typedef struct _xmlRMutex <a href="#xmlRMutex">xmlRMutex</a>; |
| typedef <a href="libxml2-threads.html#xmlRMutex">xmlRMutex</a> * <a href="#xmlRMutexPtr">xmlRMutexPtr</a>; |
| typedef <a href="libxml2-threads.html#xmlMutex">xmlMutex</a> * <a href="#xmlMutexPtr">xmlMutexPtr</a>; |
| void <a href="#xmlFreeRMutex">xmlFreeRMutex</a> (<a href="libxml2-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok); |
| int <a href="#xmlGetThreadId">xmlGetThreadId</a> (void); |
| void <a href="#xmlMutexUnlock">xmlMutexUnlock</a> (<a href="libxml2-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok); |
| void <a href="#xmlCleanupThreads">xmlCleanupThreads</a> (void); |
| void <a href="#xmlLockLibrary">xmlLockLibrary</a> (void); |
| <a href="libxml2-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> <a href="#xmlNewRMutex">xmlNewRMutex</a> (void); |
| void <a href="#xmlMutexLock">xmlMutexLock</a> (<a href="libxml2-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok); |
| int <a href="#xmlIsMainThread">xmlIsMainThread</a> (void); |
| void <a href="#xmlRMutexUnlock">xmlRMutexUnlock</a> (<a href="libxml2-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok); |
| <a href="libxml2-globals.html#xmlGlobalStatePtr">xmlGlobalStatePtr</a> <a href="#xmlGetGlobalState">xmlGetGlobalState</a> (void); |
| <a href="libxml2-threads.html#xmlMutexPtr">xmlMutexPtr</a> <a href="#xmlNewMutex">xmlNewMutex</a> (void); |
| void <a href="#xmlRMutexLock">xmlRMutexLock</a> (<a href="libxml2-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok); |
| void <a href="#xmlInitThreads">xmlInitThreads</a> (void); |
| void <a href="#xmlUnlockLibrary">xmlUnlockLibrary</a> (void); |
| void <a href="#xmlFreeMutex">xmlFreeMutex</a> (<a href="libxml2-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok); |
| </pre> |
| </div> |
| <div class="refsect1" lang="en"> |
| <h2>Description</h2> |
| </div> |
| <div class="refsect1" lang="en"> |
| <h2>Details</h2> |
| <div class="refsect2" lang="en"> |
| <div class="refsect2" lang="en"><h3><a name="xmlMutex">Structure </a>xmlMutex</h3><pre class="programlisting">struct _xmlMutex { |
| The content of this structure is not made public by the API. |
| } xmlMutex; |
| </pre><p/> |
| </div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlMutexPtr">Typedef </a>xmlMutexPtr</h3><pre class="programlisting"><a href="libxml2-threads.html#xmlMutex">xmlMutex</a> * xmlMutexPtr; |
| </pre><p/> |
| </div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlRMutex">Structure </a>xmlRMutex</h3><pre class="programlisting">struct _xmlRMutex { |
| The content of this structure is not made public by the API. |
| } xmlRMutex; |
| </pre><p/> |
| </div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlRMutexPtr">Typedef </a>xmlRMutexPtr</h3><pre class="programlisting"><a href="libxml2-threads.html#xmlRMutex">xmlRMutex</a> * xmlRMutexPtr; |
| </pre><p/> |
| </div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlCleanupThreads"/>xmlCleanupThreads ()</h3><pre class="programlisting">void xmlCleanupThreads (void)<br/> |
| </pre><p>xmlCleanupThreads() is used to to cleanup all the thread related data of the libxml2 library once processing has ended.</p> |
| </div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlFreeMutex"/>xmlFreeMutex ()</h3><pre class="programlisting">void xmlFreeMutex (<a href="libxml2-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok)<br/> |
| </pre><p>xmlFreeMutex() is used to reclaim resources associated with a libxml2 token struct.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>tok</tt></i>:</span></td><td>the simple mutex</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlFreeRMutex"/>xmlFreeRMutex ()</h3><pre class="programlisting">void xmlFreeRMutex (<a href="libxml2-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok)<br/> |
| </pre><p>xmlRFreeMutex() is used to reclaim resources associated with a reentrant mutex.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>tok</tt></i>:</span></td><td>the reentrant mutex</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlGetGlobalState"/>xmlGetGlobalState ()</h3><pre class="programlisting"><a href="libxml2-globals.html#xmlGlobalStatePtr">xmlGlobalStatePtr</a> xmlGetGlobalState (void)<br/> |
| </pre><p>xmlGetGlobalState() is called to retrieve the global state for a thread.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the thread global state or NULL in case of error</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlGetThreadId"/>xmlGetThreadId ()</h3><pre class="programlisting">int xmlGetThreadId (void)<br/> |
| </pre><p>xmlGetThreadId() find the current thread ID number</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the current thread ID number</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlInitThreads"/>xmlInitThreads ()</h3><pre class="programlisting">void xmlInitThreads (void)<br/> |
| </pre><p>xmlInitThreads() is used to to initialize all the thread related data of the libxml2 library.</p> |
| </div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlIsMainThread"/>xmlIsMainThread ()</h3><pre class="programlisting">int xmlIsMainThread (void)<br/> |
| </pre><p>xmlIsMainThread() check whether the current thread is the main thread.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>1 if the current thread is the main thread, 0 otherwise</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlLockLibrary"/>xmlLockLibrary ()</h3><pre class="programlisting">void xmlLockLibrary (void)<br/> |
| </pre><p>xmlLockLibrary() is used to take out a re-entrant lock on the libxml2 library.</p> |
| </div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlMutexLock"/>xmlMutexLock ()</h3><pre class="programlisting">void xmlMutexLock (<a href="libxml2-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok)<br/> |
| </pre><p>xmlMutexLock() is used to lock a libxml2 token.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>tok</tt></i>:</span></td><td>the simple mutex</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlMutexUnlock"/>xmlMutexUnlock ()</h3><pre class="programlisting">void xmlMutexUnlock (<a href="libxml2-threads.html#xmlMutexPtr">xmlMutexPtr</a> tok)<br/> |
| </pre><p>xmlMutexUnlock() is used to unlock a libxml2 token.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>tok</tt></i>:</span></td><td>the simple mutex</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlNewMutex"/>xmlNewMutex ()</h3><pre class="programlisting"><a href="libxml2-threads.html#xmlMutexPtr">xmlMutexPtr</a> xmlNewMutex (void)<br/> |
| </pre><p>xmlNewMutex() is used to allocate a libxml2 token struct for use in synchronizing access to data.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new simple mutex pointer or NULL in case of error</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlNewRMutex"/>xmlNewRMutex ()</h3><pre class="programlisting"><a href="libxml2-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> xmlNewRMutex (void)<br/> |
| </pre><p>xmlRNewMutex() 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> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the new reentrant mutex pointer or NULL in case of error</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlRMutexLock"/>xmlRMutexLock ()</h3><pre class="programlisting">void xmlRMutexLock (<a href="libxml2-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok)<br/> |
| </pre><p>xmlRMutexLock() is used to lock a libxml2 token_r.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>tok</tt></i>:</span></td><td>the reentrant mutex</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlRMutexUnlock"/>xmlRMutexUnlock ()</h3><pre class="programlisting">void xmlRMutexUnlock (<a href="libxml2-threads.html#xmlRMutexPtr">xmlRMutexPtr</a> tok)<br/> |
| </pre><p>xmlRMutexUnlock() is used to unlock a libxml2 token_r.</p> |
| <div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>tok</tt></i>:</span></td><td>the reentrant mutex</td></tr></tbody></table></div></div> |
| <hr/> |
| <div class="refsect2" lang="en"><h3><a name="xmlUnlockLibrary"/>xmlUnlockLibrary ()</h3><pre class="programlisting">void xmlUnlockLibrary (void)<br/> |
| </pre><p>xmlUnlockLibrary() is used to release a re-entrant lock on the libxml2 library.</p> |
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