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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>161929</bug_id>
          
          <creation_ts>2016-09-13 14:51:12 -0700</creation_ts>
          <short_desc>Promises aren&apos;t resolved properly when making a ObjC API callback</short_desc>
          <delta_ts>2016-09-13 19:31:28 -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>JavaScriptCore</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>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Michael Saboff">msaboff</reporter>
          <assigned_to name="Michael Saboff">msaboff</assigned_to>
          <cc>benjamin</cc>
    
    <cc>cdumez</cc>
    
    <cc>cmarcelo</cc>
    
    <cc>commit-queue</cc>
    
    <cc>dbates</cc>
    
    <cc>keith_miller</cc>
    
    <cc>mark.lam</cc>
    
    <cc>saam</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1229318</commentid>
    <comment_count>0</comment_count>
    <who name="Michael Saboff">msaboff</who>
    <bug_when>2016-09-13 14:51:12 -0700</bug_when>
    <thetext>If a promise is resolved or rejected and the resolution handler is queue but hasn&apos;t been processed when an ObjC function callback is invoked, the promise resolution internal builtins may not compile properly.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1229319</commentid>
    <comment_count>1</comment_count>
    <who name="Michael Saboff">msaboff</who>
    <bug_when>2016-09-13 14:51:38 -0700</bug_when>
    <thetext>rdar://problem/27992169</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1229329</commentid>
    <comment_count>2</comment_count>
      <attachid>288735</attachid>
    <who name="Michael Saboff">msaboff</who>
    <bug_when>2016-09-13 15:17:10 -0700</bug_when>
    <thetext>Created attachment 288735
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1229333</commentid>
    <comment_count>3</comment_count>
      <attachid>288735</attachid>
    <who name="Geoffrey Garen">ggaren</who>
    <bug_when>2016-09-13 15:21:42 -0700</bug_when>
    <thetext>Comment on attachment 288735
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=288735&amp;action=review

r=me

It occurs to me that it is also a bug that we drain the micro task queue at all when calling out to ObjC. That should only happen when we exit the VM.

&gt; Source/JavaScriptCore/ChangeLog:3
&gt; +        Promises aren&apos;t resolved properly when making a ObcC API callback

ObjC

&gt; Source/JavaScriptCore/ChangeLog:8
&gt; +        When we go to call out to an Objective C functions registered via the API,

function</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1229422</commentid>
    <comment_count>4</comment_count>
    <who name="Michael Saboff">msaboff</who>
    <bug_when>2016-09-13 19:30:37 -0700</bug_when>
    <thetext>(In reply to comment #3)
&gt; Comment on attachment 288735 [details]
&gt; Patch
&gt; 
&gt; View in context:
&gt; https://bugs.webkit.org/attachment.cgi?id=288735&amp;action=review
&gt; 
&gt; r=me
&gt; 
&gt; It occurs to me that it is also a bug that we drain the micro task queue at
&gt; all when calling out to ObjC. That should only happen when we exit the VM.

I filed https://bugs.webkit.org/show_bug.cgi?id=161942 to track this.

&gt; &gt; Source/JavaScriptCore/ChangeLog:3
&gt; &gt; +        Promises aren&apos;t resolved properly when making a ObcC API callback
&gt; 
&gt; ObjC

Fixed.

&gt; &gt; Source/JavaScriptCore/ChangeLog:8
&gt; &gt; +        When we go to call out to an Objective C functions registered via the API,
&gt; 
&gt; function

Fixed.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1229423</commentid>
    <comment_count>5</comment_count>
    <who name="Michael Saboff">msaboff</who>
    <bug_when>2016-09-13 19:31:28 -0700</bug_when>
    <thetext>Committed r205895: &lt;http://trac.webkit.org/changeset/205895&gt;</thetext>
  </long_desc>
      
          <attachment
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          >
            <attachid>288735</attachid>
            <date>2016-09-13 15:17:10 -0700</date>
            <delta_ts>2016-09-13 15:21:42 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>161929.patch</filename>
            <type>text/plain</type>
            <size>4981</size>
            <attacher name="Michael Saboff">msaboff</attacher>
            
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    </bug>

</bugzilla>