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69 lines
2.7 KiB
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69 lines
2.7 KiB
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<title>Logtalk built-in predicate: threaded_call/1</title>
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<div class="top-left">Logtalk reference manual</div>
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<div class="top-right">Built-in predicate: threaded_call/1</div>
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<div class="bottom-left"><span class="page"/></div>
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<div class="bottom-right"><span class="page"/></div>
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<div class="navtop"><a href="../../index.html">contents</a> > <a href="../index.html">reference manual</a> > <a href="../index.html#builtins">built-in predicates</a></div>
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<h2 id="builtins_threaded_call1" class="codenp">threaded_call/1</h2>
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<h4>Description</h4>
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<pre>threaded_call(Goal)</pre>
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<p>
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Proves <code>Goal</code> asynchronously using a new thread. The argument can be a message sending goal. Calls to this predicate always succeeds and return immediately. The results (success, failure, or exception) are sent back to the message queue of the object containing the call (<em>this</em>); they can be retrieved by calling the <a title="Consult reference manual" href="threaded_exit1.html"><code>threaded_exit/1</code></a> predicate.
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</p>
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<h4>Template and modes</h4>
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<pre>threaded_call(@callable)</pre>
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<h4>Errors</h4>
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<dl>
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<dt>Goal is a variable:</dt>
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<dd><code>instantiation_error</code></dd>
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<dt>Goal is neither a variable nor a callable term:</dt>
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<dd><code>type_error(callable, Goal)</code></dd>
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</dl>
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<h4>Examples</h4>
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<dl>
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<dt>Prove <code>Goal</code> asynchronously in a new thread:</dt>
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<dd><code>threaded_call(Goal)</code></dd>
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<dt>Prove <code>::Message</code> asynchronously in a new thread:</dt>
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<dd><code>threaded_call(::Message)</code></dd>
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<dt>Prove <code>Object::Message</code> asynchronously in a new thread:</dt>
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<dd><code>threaded_call(Object::Message)</code></dd>
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</dl>
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<span>Copyright © <a href="mailto:pmoura@logtalk.org">Paulo Moura</a> — <a href="http://logtalk.org">Logtalk.org</a></span><br/>
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<span>Last updated on: June 19, 2007</span>
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<span><a href="../index.html#builtins">previous</a> | <a href="../../glossary.html">glossary</a> | <a href="threaded_once1.html">next</a></span><br/>
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