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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-39961] Update proxy scope to use two condvars</title>
                <link>https://jira.mongodb.org/browse/SERVER-39961</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Our proxyscope type currently uses one condition variable to wait/notify from the caller and the callee threads.  It&apos;s been pointed out that this may not be safe on older versions of glibc, as there used to be a different understanding of whether or not it was acceptable for a condvar notify to notify the thread which called notify (if it later called wait).&lt;/p&gt;

&lt;p&gt;See &lt;a href=&quot;http://austingroupbugs.net/view.php?id=609&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://austingroupbugs.net/view.php?id=609&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="709659">SERVER-39961</key>
            <summary>Update proxy scope to use two condvars</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="mira.carey@mongodb.com">Mira Carey</assignee>
                                    <reporter username="mira.carey@mongodb.com">Mira Carey</reporter>
                        <labels>
                    </labels>
                <created>Tue, 5 Mar 2019 14:31:36 +0000</created>
                <updated>Sun, 29 Oct 2023 22:23:17 +0000</updated>
                            <resolved>Wed, 6 Mar 2019 17:02:08 +0000</resolved>
                                                    <fixVersion>4.1.9</fixVersion>
                                    <component>Internal Code</component>
                    <component>JavaScript</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="2172856" author="xgen-internal-githook" created="Wed, 6 Mar 2019 17:01:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jason Carey&apos;, &apos;username&apos;: &apos;hanumantmk&apos;, &apos;email&apos;: &apos;jcarey@argv.me&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39961&quot; title=&quot;Update proxy scope to use two condvars&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39961&quot;&gt;&lt;del&gt;SERVER-39961&lt;/del&gt;&lt;/a&gt; Update proxy scope to use two cvs&lt;/p&gt;

&lt;p&gt;Our proxyscope type currently uses one condition variable to wait/notify&lt;br/&gt;
from the caller and the callee threads. It&apos;s been pointed out that this&lt;br/&gt;
may not be safe on older versions of glibc, as there used to be a&lt;br/&gt;
different understanding of whether or not it was acceptable for a&lt;br/&gt;
condvar notify to notify the thread which called notify (if it later&lt;br/&gt;
called wait).&lt;/p&gt;

&lt;p&gt;See &lt;a href=&quot;http://austingroupbugs.net/view.php?id=609&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://austingroupbugs.net/view.php?id=609&lt;/a&gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ef78ad0b398dbf4a891c18cd32881b12f91da794&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ef78ad0b398dbf4a891c18cd32881b12f91da794&lt;/a&gt;&lt;/p&gt;</comment>
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