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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>68111</bug_id>
          
          <creation_ts>2011-09-14 13:25:37 -0700</creation_ts>
          <short_desc>Address lifetime issues in OfflineAudioDestinationNode (take 2)</short_desc>
          <delta_ts>2011-09-14 14:38:37 -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>New Bugs</component>
          <version>528+ (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></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Chris Rogers">crogers</reporter>
          <assigned_to name="Chris Rogers">crogers</assigned_to>
          <cc>kbr</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>467284</commentid>
    <comment_count>0</comment_count>
    <who name="Chris Rogers">crogers</who>
    <bug_when>2011-09-14 13:25:37 -0700</bug_when>
    <thetext>Address Address lifetime issues in OfflineAudioDestinationNode (take 2)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>467286</commentid>
    <comment_count>1</comment_count>
      <attachid>107384</attachid>
    <who name="Chris Rogers">crogers</who>
    <bug_when>2011-09-14 13:27:32 -0700</bug_when>
    <thetext>Created attachment 107384
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>467289</commentid>
    <comment_count>2</comment_count>
    <who name="Chris Rogers">crogers</who>
    <bug_when>2011-09-14 13:31:42 -0700</bug_when>
    <thetext>my previous patch was incorrect:
http://trac.webkit.org/changeset/94984

It&apos;s too late to call waitForThreadCompletion() in the destructor, since there&apos;s could still be a pending callOnMainThread() using this object.

The object must stay alive longer.  The approach taken with this new patch is to take a reference just before the worker thread is created, then release the reference once the callOnMainThread() handler has finished.  Then we can avoid calling waitForThreadCompletion()</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>467303</commentid>
    <comment_count>3</comment_count>
      <attachid>107388</attachid>
    <who name="Chris Rogers">crogers</who>
    <bug_when>2011-09-14 13:43:59 -0700</bug_when>
    <thetext>Created attachment 107388
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>467339</commentid>
    <comment_count>4</comment_count>
      <attachid>107388</attachid>
    <who name="Kenneth Russell">kbr</who>
    <bug_when>2011-09-14 14:20:30 -0700</bug_when>
    <thetext>Comment on attachment 107388
Patch

Looks good to me.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>467348</commentid>
    <comment_count>5</comment_count>
    <who name="Chris Rogers">crogers</who>
    <bug_when>2011-09-14 14:38:37 -0700</bug_when>
    <thetext>Committed r95124: &lt;http://trac.webkit.org/changeset/95124&gt;</thetext>
  </long_desc>
      
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            <date>2011-09-14 13:27:32 -0700</date>
            <delta_ts>2011-09-14 13:43:54 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-68111-20110914132731.patch</filename>
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            <date>2011-09-14 13:43:59 -0700</date>
            <delta_ts>2011-09-14 14:20:30 -0700</delta_ts>
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    </bug>

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