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<title>Class Poco::SynchronizedObject</title>
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<meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/>
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<h1 class="namespace"><a href="Poco.html" class="namespace">Poco</a></h1>
<h1 class="symbol">class SynchronizedObject</h1>
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<p>
<b>Library:</b> Foundation<br />
<b>Package:</b> Threading<br />
<b>Header:</b> Poco/SynchronizedObject.h</p>
<h2>Description</h2>
<div class="description">
<p>This class aggregates a <a href="Poco.Mutex.html" title="class Poco::Mutex">Mutex</a> and an <a href="Poco.Event.html" title="class Poco::Event">Event</a> and can act as a base class for all objects requiring synchronization in a multithreaded scenario. </p>
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<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.SynchronizedObject.html#10487" title="Poco::SynchronizedObject::lock()">lock</a>, <a href="Poco.SynchronizedObject.html#10490" title="Poco::SynchronizedObject::notify()">notify</a>, <a href="Poco.SynchronizedObject.html#10488" title="Poco::SynchronizedObject::tryLock()">tryLock</a>, <a href="Poco.SynchronizedObject.html#10494" title="Poco::SynchronizedObject::tryWait()">tryWait</a>, <a href="Poco.SynchronizedObject.html#10489" title="Poco::SynchronizedObject::unlock()">unlock</a>, <a href="Poco.SynchronizedObject.html#10491" title="Poco::SynchronizedObject::wait()">wait</a></p>
<h2>Types</h2>
<h3><a name="10484">ScopedLock</a></h3>
<p class="decl">typedef <a href="Poco.ScopedLock.html" title="class Poco::ScopedLock">Poco::ScopedLock</a> < <a href="Poco.SynchronizedObject.html" title="class Poco::SynchronizedObject">SynchronizedObject</a> > <a href="Poco.SynchronizedObject.html#10484" title="Poco::SynchronizedObject::ScopedLock">ScopedLock</a>;</p>
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<p></p>
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<h2>Constructors</h2>
<h3><a name="10485">SynchronizedObject</a></h3>
<p class="decl"><a href="Poco.SynchronizedObject.html" title="class Poco::SynchronizedObject">SynchronizedObject</a>();</p>
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<p>Creates the object. </p>
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<h2>Destructor</h2>
<h3><a name="10486">~SynchronizedObject</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">virtual ~<a href="Poco.SynchronizedObject.html" title="class Poco::SynchronizedObject">SynchronizedObject</a>();</p>
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<p>Destroys the object. </p>
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<h2>Member Functions</h2>
<h3><a name="10487">lock</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">void lock() const;</p>
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<p>Locks the object. Blocks if the object is locked by another thread. </p>
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<h3><a name="10490">notify</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">void notify() const;</p>
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<p>Signals the object. Exactly only one thread waiting for the object can resume execution. </p>
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<h3><a name="10488">tryLock</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">bool tryLock() const;</p>
<div class="description">
<p>Tries to lock the object. Returns false immediately if the object is already locked by another thread Returns true if the object was successfully locked. </p>
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<h3><a name="10494">tryWait</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">bool tryWait(<br /> long milliseconds<br />) const;</p>
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<p>Waits for the object to become signalled. Returns true if the object became signalled within the specified time interval, false otherwise. </p>
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<h3><a name="10489">unlock</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">void unlock() const;</p>
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<p>Unlocks the object so that it can be locked by other threads. </p>
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<h3><a name="10491">wait</a> <img src="images/inline.gif" alt="inline" title="inline" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">void wait() const;</p>
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<p>Waits for the object to become signalled. </p>
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<h3><a name="10492">wait</a></h3>
<p class="decl">void wait(<br /> long milliseconds<br />) const;</p>
<div class="description">
<p>Waits for the object to become signalled. Throws a <a href="Poco.TimeoutException.html" title="class Poco::TimeoutException">TimeoutException</a> if the object does not become signalled within the specified time interval. </p>
</div>
<p class="footer">POCO C++ Libraries 1.3.6-all<br />
Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p>
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