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      <para>A thread that causes the condition become true signals this event
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      <para>A thread that causes the condition become true signals this event
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      like this:</para>
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      like this:</para>
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      <example>
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      <example>
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        <title>Use of <code>condvar_signal</code>.</title>
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        <title>Use of <code>condvar_signal()</code>.</title>
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        <programlisting language="C"><function>mutex_lock</function>(<varname>mtx</varname>);
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        <programlisting language="C"><function>mutex_lock</function>(<varname>mtx</varname>);
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<varname>condition</varname> = <constant>true</constant>;
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<varname>condition</varname> = <constant>true</constant>;
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<function>condvar_signal</function>(<varname>cv</varname>);  /* <remark>condvar_broadcast(cv);</remark> */
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<function>condvar_signal</function>(<varname>cv</varname>);  /* <remark>condvar_broadcast(cv);</remark> */
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<function>mutex_unlock</function>(<varname>mtx</varname>);</programlisting>
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<function>mutex_unlock</function>(<varname>mtx</varname>);</programlisting>