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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<div class="subTitle">com.jogamp.common.util.locks</div>
<h2 title="Interface Lock" class="title">Interface Lock</h2>
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<dt>All Known Subinterfaces:</dt>
<dd><a href="../../../../../com/jogamp/common/util/locks/RecursiveLock.html" title="interface in com.jogamp.common.util.locks">RecursiveLock</a>, <a href="../../../../../com/jogamp/common/util/locks/RecursiveThreadGroupLock.html" title="interface in com.jogamp.common.util.locks">RecursiveThreadGroupLock</a>, <a href="../../../../../com/jogamp/common/util/locks/ThreadLock.html" title="interface in com.jogamp.common.util.locks">ThreadLock</a></dd>
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<dd><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html" title="class in com.jogamp.common.util.locks">SingletonInstance</a></dd>
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<pre>public interface <span class="strong">Lock</span></pre>
<div class="block">Specifying a thread blocking lock implementation</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/Lock.html#DEBUG">DEBUG</a></strong></code>
<div class="block">Enable via the property <code>jogamp.debug.Lock</code></div>
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<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/Lock.html#DEFAULT_TIMEOUT">DEFAULT_TIMEOUT</a></strong></code>
<div class="block">The default <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT"><code>TIMEOUT</code></a> value, of 5000L ms</div>
</td>
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<tr class="altColor">
<td class="colFirst"><code>static long</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT">TIMEOUT</a></strong></code>
<div class="block">The <code>TIMEOUT</code> for <a href="../../../../../com/jogamp/common/util/locks/Lock.html#lock()"><code>lock()</code></a> in ms,
 defaults to <a href="../../../../../com/jogamp/common/util/locks/Lock.html#DEFAULT_TIMEOUT"><code>DEFAULT_TIMEOUT</code></a>.</div>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/Lock.html#TRACE_LOCK">TRACE_LOCK</a></strong></code>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/Lock.html#isLocked()">isLocked</a></strong>()</code>
<div class="block">Query if locked</div>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/Lock.html#lock()">lock</a></strong>()</code>
<div class="block">Blocking until the lock is acquired by this Thread or <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT"><code>TIMEOUT</code></a> is reached.</div>
</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/Lock.html#tryLock(long)">tryLock</a></strong>(long&nbsp;timeout)</code>
<div class="block">Blocking until the lock is acquired by this Thread or <code>maxwait</code> in ms is reached.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/Lock.html#unlock()">unlock</a></strong>()</code>
<div class="block">Release the lock.</div>
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<pre>static final&nbsp;boolean DEBUG</pre>
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<pre>static final&nbsp;boolean TRACE_LOCK</pre>
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<pre>static final&nbsp;long DEFAULT_TIMEOUT</pre>
<div class="block">The default <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT"><code>TIMEOUT</code></a> value, of 5000L ms</div>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#com.jogamp.common.util.locks.Lock.DEFAULT_TIMEOUT">Constant Field Values</a></dd></dl>
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<pre>static final&nbsp;long TIMEOUT</pre>
<div class="block">The <code>TIMEOUT</code> for <a href="../../../../../com/jogamp/common/util/locks/Lock.html#lock()"><code>lock()</code></a> in ms,
 defaults to <a href="../../../../../com/jogamp/common/util/locks/Lock.html#DEFAULT_TIMEOUT"><code>DEFAULT_TIMEOUT</code></a>.
 <p>
 It can be overridden via the system property <code>jogamp.common.utils.locks.Lock.timeout</code>.
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<h4>lock</h4>
<pre>void&nbsp;lock()
          throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></pre>
<div class="block">Blocking until the lock is acquired by this Thread or <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT"><code>TIMEOUT</code></a> is reached.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></code> - in case of <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT"><code>TIMEOUT</code></a></dd></dl>
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<h4>tryLock</h4>
<pre>boolean&nbsp;tryLock(long&nbsp;timeout)
                throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<div class="block">Blocking until the lock is acquired by this Thread or <code>maxwait</code> in ms is reached.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - Maximum time in ms to wait to acquire the lock. If this value is zero,
                the call returns immediately either without being able
                to acquire the lock, or with acquiring the lock directly while ignoring any scheduling order.</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if the lock has been acquired within <code>maxwait</code>, otherwise false</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd></dl>
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<h4>unlock</h4>
<pre>void&nbsp;unlock()
            throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></pre>
<div class="block">Release the lock.</div>
<dl><dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></code> - in case the lock is not acquired by this thread.</dd></dl>
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<pre>boolean&nbsp;isLocked()</pre>
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