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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>209981</bug_id>
          
          <creation_ts>2020-04-03 12:33:57 -0700</creation_ts>
          <short_desc>[Cocoa] Update MESSAGE_CHECK macros used in WebProcessProxy::didCreateSleepDisabler/WebProcessProxy::didDestroySleepDisabler</short_desc>
          <delta_ts>2020-04-03 13:19:27 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebKit Misc.</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          <dependson>209676</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="David Kilzer (:ddkilzer)">ddkilzer</reporter>
          <assigned_to name="David Kilzer (:ddkilzer)">ddkilzer</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>darin</cc>
    
    <cc>ggaren</cc>
    
    <cc>pvollan</cc>
    
    <cc>useafterfree</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1637490</commentid>
    <comment_count>0</comment_count>
    <who name="David Kilzer (:ddkilzer)">ddkilzer</who>
    <bug_when>2020-04-03 12:33:57 -0700</bug_when>
    <thetext>Update MESSAGE_CHECK macros used in WebProcessProxy::didCreateSleepDisabler/WebProcessProxy::didDestroySleepDisabler.

&lt;rdar://problem/61237674&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1637491</commentid>
    <comment_count>1</comment_count>
      <attachid>395402</attachid>
    <who name="David Kilzer (:ddkilzer)">ddkilzer</who>
    <bug_when>2020-04-03 12:38:03 -0700</bug_when>
    <thetext>Created attachment 395402
Patch v1</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1637503</commentid>
    <comment_count>2</comment_count>
      <attachid>395402</attachid>
    <who name="Darin Adler">darin</who>
    <bug_when>2020-04-03 13:10:50 -0700</bug_when>
    <thetext>Comment on attachment 395402
Patch v1

So decoding always checks for both invalid hash table values for identifiers?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1637504</commentid>
    <comment_count>3</comment_count>
      <attachid>395402</attachid>
    <who name="Darin Adler">darin</who>
    <bug_when>2020-04-03 13:11:32 -0700</bug_when>
    <thetext>Comment on attachment 395402
Patch v1

View in context: https://bugs.webkit.org/attachment.cgi?id=395402&amp;action=review

&gt; Source/WebKit/ChangeLog:12
&gt; +        - Remove MESSAGE_CHECK for `identifier` since decoding detects
&gt; +          invalid values.

Both the empty and deleted values for identifiers as hash table keys are prohibited/checked?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1637506</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2020-04-03 13:13:46 -0700</bug_when>
    <thetext>Committed r259505: &lt;https://trac.webkit.org/changeset/259505&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 395402.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1637508</commentid>
    <comment_count>5</comment_count>
    <who name="Geoffrey Garen">ggaren</who>
    <bug_when>2020-04-03 13:19:27 -0700</bug_when>
    <thetext>&gt; &gt; Source/WebKit/ChangeLog:12
&gt; &gt; +        - Remove MESSAGE_CHECK for `identifier` since decoding detects
&gt; &gt; +          invalid values.
&gt; 
&gt; Both the empty and deleted values for identifiers as hash table keys are
&gt; prohibited/checked?

Looks like it:

    template&lt;typename Decoder&gt; static Optional&lt;ObjectIdentifier&gt; decode(Decoder&amp; decoder)
    {
        Optional&lt;uint64_t&gt; identifier;
        decoder &gt;&gt; identifier;
        if (!identifier || !isValidIdentifier(*identifier))
            return WTF::nullopt;
        return ObjectIdentifier { *identifier };
    }

    static bool isValidIdentifier(uint64_t identifier) { return identifier &amp;&amp; identifier != hashTableDeletedValue(); }</thetext>
  </long_desc>
      
          <attachment
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            <attachid>395402</attachid>
            <date>2020-04-03 12:38:03 -0700</date>
            <delta_ts>2020-04-03 13:13:47 -0700</delta_ts>
            <desc>Patch v1</desc>
            <filename>bug-209981-20200403123933.patch</filename>
            <type>text/plain</type>
            <size>2159</size>
            <attacher name="David Kilzer (:ddkilzer)">ddkilzer</attacher>
            
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