3219

Trying keeping html in the master branch:
  https://github.com/blog/2228-simpler-github-pages-publishing

Let's see if https://akkartik.github.io/mu updates after I push this
commit to just the master branch.

1 files changed, 46 insertions, 0 deletions

diff --git a/html/073wait.cc.html b/html/073wait.cc.html
index dffb1cf5..49bdd7d3 100644
--- a/html/073wait.cc.html
+++ b/html/073wait.cc.html
@@ -361,6 +361,52 @@ put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span
   <span class="Delimiter">}</span>
   <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
 <span class="Delimiter">}</span>
+
+<span class="Comment">//: helper for restarting blocking routines in tests</span>
+
+<span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
+RESTART<span class="Delimiter">,</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
+put<span class="Delimiter">(</span>Recipe_ordinal<span class="Delimiter">,</span> <span class="Constant">&quot;restart&quot;</span><span class="Delimiter">,</span> RESTART<span class="Delimiter">);</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
+<span class="Normal">case</span> RESTART: <span class="Delimiter">{</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    raise &lt;&lt; maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'restart' requires exactly one ingredient, but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+    <span class="Identifier">break</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
+  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_number<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
+    raise &lt;&lt; maybe<span class="Delimiter">(</span>get<span class="Delimiter">(</span>Recipe<span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of 'restart' should be a routine id generated by 'start-running', but got '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original_string &lt;&lt; <span class="Constant">&quot;'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+    <span class="Identifier">break</span><span class="Delimiter">;</span>
+  <span class="Delimiter">}</span>
+  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span class="Delimiter">}</span>
+<span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
+<span class="Normal">case</span> RESTART: <span class="Delimiter">{</span>
+  <span class="Normal">int</span> id = ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
+  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i &lt; SIZE<span class="Delimiter">(</span>Routines<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+    <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>id == id<span class="Delimiter">)</span> <span class="Delimiter">{</span>
+      <span class="Normal">if</span> <span class="Delimiter">(</span>Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state == WAITING<span class="Delimiter">)</span>
+        Routines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)-&gt;</span>state = RUNNING<span class="Delimiter">;</span>
+      <span class="Identifier">break</span><span class="Delimiter">;</span>
+    <span class="Delimiter">}</span>
+  <span class="Delimiter">}</span>
+  <span class="Identifier">break</span><span class="Delimiter">;</span>
+<span class="Delimiter">}</span>
+
+<span class="Delimiter">:(scenario cannot_restart_completed_routine)</span>
+<span class="Special">% Scheduling_interval = 1;</span>
+def main [
+  local-scope
+  <span class="Normal">r</span>:number/routine-id<span class="Special"> &lt;- </span>start-running f
+  <span class="Normal">x</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>  <span class="Comment"># wait for f to be scheduled</span>
+  <span class="Comment"># r is COMPLETED by this point</span>
+  restart r  <span class="Comment"># should have no effect</span>
+  <span class="Normal">x</span>:number<span class="Special"> &lt;- </span>copy <span class="Constant">0</span>  <span class="Comment"># give f time to be scheduled (though it shouldn't be)</span>
+]
+def f [
+  <span class="Constant">1</span>:number/<span class="Special">raw &lt;- </span>copy <span class="Constant">1</span>
+]
+<span class="Comment"># shouldn't crash</span>
 </pre>
 </body>
 </html>