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<h3>
Sven Tennie pushed to branch wip/ghc-debug
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1589e28f72298023c15915792408bd26ba9f61bc">1589e28f</a></strong>
<div>
<span>by Sven Tennie</span>
<i>at 2020-05-21T16:44:14+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Add comments to RtsApi functions
</pre>
</li>
</ul>
<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#52cbed6d5a31a2e77e689138af4477c2a62f413b">
rts/RtsAPI.c
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</li>
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<h4>Changes:</h4>
<li id="52cbed6d5a31a2e77e689138af4477c2a62f413b">
<a href="https://gitlab.haskell.org/ghc/ghc/-/commit/1589e28f72298023c15915792408bd26ba9f61bc#52cbed6d5a31a2e77e689138af4477c2a62f413b"><strong>rts/RtsAPI.c</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="660" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -660,14 +660,18 @@ RtsPaused rts_pause (void)</td>
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<pre style="margin: 0;"> <span id="LC660" class="line" lang="c">    <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">paused</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC661" class="line" lang="c"><span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC662" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC663" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">rts_unpause</span> <span class="p">(</span><span class="n" style="color: #333;">RtsPaused</span>  <span class="n" style="color: #333;">paused</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC663" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// Counterpart of rts_pause: Continue from a pause.</span></span>
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<pre style="margin: 0;">+<span id="LC664" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">rts_unpause</span> <span class="p">(</span><span class="n" style="color: #333;">RtsPaused</span> <span class="n" style="color: #333;">paused</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC665" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC666" class="line" lang="c">    <span class="n" style="color: #333;">rts_paused</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">false</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC667" class="line" lang="c">    <span class="n" style="color: #333;">releaseAllCapabilities</span><span class="p">(</span><span class="n" style="color: #333;">n_capabilities</span><span class="p">,</span> <span class="n" style="color: #333;">paused</span><span class="p">.</span><span class="n" style="color: #333;">capabilities</span><span class="p">,</span> <span class="n" style="color: #333;">paused</span><span class="p">.</span><span class="n" style="color: #333;">pausing_task</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC668" class="line" lang="c">    <span class="n" style="color: #333;">freeTask</span><span class="p">(</span><span class="n" style="color: #333;">paused</span><span class="p">.</span><span class="n" style="color: #333;">pausing_task</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC669" class="line" lang="c"><span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC670" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC670" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC671" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// Call cb for all StgTSOs. *user is a user defined payload to cb. It's not</span></span>
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<pre style="margin: 0;">+<span id="LC672" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// used by the RTS.</span></span>
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<pre style="margin: 0;">+<span id="LC673" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// rts_listThreads should only be called when the RTS is paused, i.e. rts_pause</span></span>
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<pre style="margin: 0;">+<span id="LC674" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// was called before.</span></span>
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<pre style="margin: 0;"> <span id="LC675" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">rts_listThreads</span><span class="p">(</span><span class="n" style="color: #333;">ListThreadsCb</span> <span class="n" style="color: #333;">cb</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">user</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC676" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC677" class="line" lang="c">    <span class="n" style="color: #333;">ASSERT</span><span class="p">(</span><span class="n" style="color: #333;">rts_paused</span><span class="p">);</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="691" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -691,6 +695,11 @@ static void list_roots_helper(void *user, StgClosure **p) {</td>
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<pre style="margin: 0;"> <span id="LC695" class="line" lang="c">    <span class="n" style="color: #333;">ctx</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">cb</span><span class="p">(</span><span class="n" style="color: #333;">ctx</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">user</span><span class="p">,</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">p</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC696" class="line" lang="c"><span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC697" class="line" lang="c"></span>
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<td class="diff-line-num new old_line" data-linenumber="694" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC698" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// Call cb for all StgClosures reachable from threadStableNameTable and</span></span>
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<td class="diff-line-num new old_line" data-linenumber="694" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0;">+<span id="LC699" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// threadStablePtrTable. *user is a user defined payload to cb. It's not</span></span>
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<pre style="margin: 0;">+<span id="LC700" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// used by the RTS.</span></span>
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<pre style="margin: 0;">+<span id="LC701" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// rts_listMiscRoots should only be called when the RTS is paused, i.e.</span></span>
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<pre style="margin: 0;">+<span id="LC702" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// rts_pause was called before.</span></span>
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<pre style="margin: 0;"> <span id="LC703" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">rts_listMiscRoots</span> <span class="p">(</span><span class="n" style="color: #333;">ListRootsCb</span> <span class="n" style="color: #333;">cb</span><span class="p">,</span> <span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">user</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC704" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC705" class="line" lang="c">    <span class="k" style="font-weight: 600;">struct</span> <span class="n" style="color: #333;">list_roots_ctx</span> <span class="n" style="color: #333;">ctx</span><span class="p">;</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="713" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -713,7 +722,7 @@ RtsPaused rts_pause (void)</td>
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<pre style="margin: 0;"> <span id="LC722" class="line" lang="c">    <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">paused</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC723" class="line" lang="c"><span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC724" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC716" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">rts_unpause</span> <span class="p">(</span><span class="n" style="color: #333;">RtsPaused</span> <span class="idiff left right"> </span><span class="n" style="color: #333;">paused</span> <span class="n" style="color: #333;">STG_UNUSED</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="717" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
725
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<pre style="margin: 0;">+<span id="LC725" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">rts_unpause</span> <span class="p">(</span><span class="n" style="color: #333;">RtsPaused</span> <span class="n" style="color: #333;">paused</span> <span class="n" style="color: #333;">STG_UNUSED</span><span class="p">)</span></span>
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717
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<td class="diff-line-num new_line" data-linenumber="726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
726
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<pre style="margin: 0;"> <span id="LC726" class="line" lang="c"><span class="p">{</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="718" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
718
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<td class="diff-line-num new_line" data-linenumber="727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
727
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<pre style="margin: 0;"> <span id="LC727" class="line" lang="c">    <span class="n" style="color: #333;">errorBelch</span><span class="p">(</span><span class="s" style="color: #d14;">"Warning: Unpausing the RTS is only possible for "</span></span>
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<td class="diff-line-num old_line" data-linenumber="719" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
719
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728
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<pre style="margin: 0;"> <span id="LC728" class="line" lang="c">               <span class="s" style="color: #d14;">"multithreaded RTS."</span><span class="p">);</span></span>
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