linux/conf/iptables/ipt-stop.sh

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<a href='https://github.com/akkartik/mu/blob/master/channel.mu'>https://github.com/akkartik/mu/blob/master/channel.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="Comment"># example program: communicating between routines using channels</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="muRecipe">def</span> <a href='channel.mu.html#L3'>producer</a> <a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char<span class="muRecipe"> -&gt; </span><a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char [
<span id="L4" class="LineNr"> 4 </span>  <span class="Comment"># produce characters 1 to 5 on a channel</span>
<span id="L5" class="LineNr"> 5 </span>  <span class="Constant">local-scope</span>
<span id="L6" class="LineNr"> 6 </span>  <span class="Constant">load-inputs</span>
<span id="L7" class="LineNr"> 7 </span>  <span class="Comment"># n = 0</span>
<span id="L8" class="LineNr"> 8 </span>  n:char <span class="Special">&lt;-</span> copy<span class="Constant"> 0</span>
<span id="L9" class="LineNr"> 9 </span>  <span class="Delimiter">{</span>
<span id="L10" class="LineNr">10 </span>    done?:bool <span class="Special">&lt;-</span> lesser-than n,<span class="Constant"> 5</span>
<span id="L11" class="LineNr">11 </span>    <span class="muControl">break-unless</span> done?
<span id="L12" class="LineNr">12 </span>    <span class="Comment"># other threads might get between these prints</span>
<span id="L13" class="LineNr">13 </span>    $print <span class="Constant">[produce: ]</span>, n, <span class="Constant">[ </span>
<span id="L14" class="LineNr">14 </span><span class="Constant">]</span>
<span id="L15" class="LineNr">15 </span>    <a href='075channel.mu.html#L40'>sink</a> <span class="Special">&lt;-</span> <a href='075channel.mu.html#L60'>write</a> <a href='075channel.mu.html#L40'>sink</a>, n
<span id="L16" class="LineNr">16 </span>    n <span class="Special">&lt;-</span> add n,<span class="Constant"> 1</span>
<span id="L17" class="LineNr">17 </span>   <span class="muControl"> loop</span>
<span id="L18" class="LineNr">18 </span>  <span class="Delimiter">}</span>
<span id="L19" class="LineNr">19 </span>  close <a href='075channel.mu.html#L40'>sink</a>
<span id="L20" class="LineNr">20 </span>]
<span id="L21" class="LineNr">21 </span>
<span id="L22" class="LineNr">22 </span><span class="muRecipe">def</span> <a href='channel.mu.html#L22'>consumer</a> <a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char<span class="muRecipe"> -&gt; </span><a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char [
<span id="L23" class="LineNr">23 </span>  <span class="Comment"># consume and print integers from a channel</span>
<span id="L24" class="LineNr">24 </span>  <span class="Constant">local-scope</span>
<span id="L25" class="LineNr">25 </span>  <span class="Constant">load-inputs</span>
<span id="L26" class="LineNr">26 </span>  <span class="Delimiter">{</span>
<span id="L27" class="LineNr">27 </span>    <span class="Comment"># read an integer from the channel</span>
<span id="L28" class="LineNr">28 </span>    n:char, eof?:bool, <a href='075channel.mu.html#L36'>source</a> <span class="Special">&lt;-</span> read <a href='075channel.mu.html#L36'>source</a>
<span id="L29" class="LineNr">29 </span>    <span class="muControl">break-if</span> eof?
<span id="L30" class="LineNr">30 </span>    <span class="Comment"># other threads might get between these prints</span>
<span id="L31" class="LineNr">31 </span>    $print <span class="Constant">[consume: ]</span>, n:char, <span class="Constant">[ </span>
<span id="L32" class="LineNr">32 </span><span class="Constant">]</span>
<span id="L33" class="LineNr">33 </span>   <span class="muControl"> loop</span>
<span id="L34" class="LineNr">34 </span>  <span class="Delimiter">}</span>
<span id="L35" class="LineNr">35 </span>]
<span id="L36" class="LineNr">36 </span>
<span id="L37" class="LineNr">37 </span><span class="muRecipe">def</span> <a href='channel.mu.html#L37'>main</a> [
<span id="L38" class="LineNr">38 </span>  <span class="Constant">local-scope</span>
<span id="L39" class="LineNr">39 </span>  <a href='075channel.mu.html#L36'>source</a>:&amp;:<a href='075channel.mu.html#L36'>source</a>:char, <a href='075channel.mu.html#L40'>sink</a>:&amp;:<a href='075channel.mu.html#L40'>sink</a>:char <span class="Special">&lt;-</span> <a href='075channel.mu.html#L44'>new-channel</a> <span class="Constant">3/capacity</span>
<span id="L40" class="LineNr">40 </span>  <span class="Comment"># create two background 'routines' that communicate by a channel</span>
<span id="L41" class="LineNr">41 </span>  routine1:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='channel.mu.html#L3'>producer</a>, <a href='075channel.mu.html#L40'>sink</a>
<span id="L42" class="LineNr">42 </span>  routine2:num <span class="Special">&lt;-</span> <span class="muControl">start-running</span> <a href='channel.mu.html#L22'>consumer</a>, <a href='075channel.mu.html#L36'>source</a>
<span id="L43" class="LineNr">43 </span>  wait-for-routine routine1
<span id="L44" class="LineNr">44 </span>  wait-for-routine routine2
<span id="L45" class="LineNr">45 </span>]
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