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<title>Class Grant - Class Grant</title>
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<h1 class="faldoc_title">Class Grant<span class="faldoc_belong"><a href="./module_feathers_threading.html">[in Threading]</a></p></h1>
<p class="faldoc_brief">Grant for exclusive access to shared resources. </p>
<p class="faldoc_funcdecl">
<b>class</b> Grant \
<b>from</b> <a href="./class_Waitable.html">Waitable</a>
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<h3 class="faldoc_title">Inherited methods</h3>
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<tr><td><a href="./class_Waitable.html#release">release</a> from Waitable </td><td>Releases a structure acquired by a waiting function. </td></tr>
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<a name="more"><h2 class="faldoc_title">Detailed description</h2></a>
<p class="faldoc_funcdecl">
<b>class</b> Grant \
<b>from</b> <a href="./class_Waitable.html">Waitable</a>
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<p class="item_brief">Grant for exclusive access to shared resources. </p>
<p class="faldoc_text"> This class can be sucessfully waited only by a thread at a time. When a thread acquires it, other threads will have to wait for the acquirer to release this with <a href="./class_Waitable.html#release">Waitable.release</a>. </p>
<p class="faldoc_text">If the grant is currently available, waiting functions return immediately with the Grant acquired. </p>
<p class="faldoc_text">This structure can be seen as a sort of a "reverse heavy weight mutex". </p>
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