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<div class="ChapSects"><a href="chap2_mj.html#X8000D4CD7F4F5594">2 <span class="Heading">Variables in HPC-GAP</span></a>
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<h3>2 <span class="Heading">Variables in HPC-GAP</spanspan=">">nbsp;nbspahref=".#X81F4832C7ED44627 //>

<p>Variables with global scope have revised semantics in HPC-GAP in order to address concurrency issues. The normal semantics of global variables that=ContSS< =""&;nbsp< =".htmlX7C508AFD8115AEB0">.4</>span

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<h4>2.2 <span class="Heading">Thread-local variables</span></h4>

<p>HPC-GAP supports the notion of thread-local variables. Thread-local variables are (after being declared as such) accessed and modified like global variables. However, unlike global variables, each thread


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<p>If a global variable with the same name exists and is bound at the time of the call, its value will be used as the default value as though <code class="func">BindThreadLocal</code> (<a href="chap2_mj.html#X81F4832C7ED44627"><span class="RefLink">2.2-2</span></a>) had been called with that value as its second C7ED44627".-2span>/> funcBindThreadLocalConstructor.html">spanclass=RefLink"2-/>a  necessary

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<h5>2.2-3 BindThreadLocalConstructor</h5>

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<h5>2.2-4 ThreadVar

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<h5>2.2-4 ThreadVar</h5>

<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">‣ ThreadVar</code></td><td class="tdright">( global variable )</td></tr></table></div>
<>ll thread-localvariables storedin thread-localrecordcodeclass"ThreadVar. Thus, if is a thread-local variable, using ThreadVar./>is as<codeclass"code">x</code./>


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