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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-81333] Make the GlobalLock and DBLock RAII types aware of yields</title>
                <link>https://jira.mongodb.org/browse/SERVER-81333</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/b9b56f2c93adb25f12e7868e2d0cbd0a237ed1ad/src/mongo/db/concurrency/d_concurrency.h#L219&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Both&lt;/a&gt; &lt;a href=&quot;https://github.com/10gen/mongo/blob/b9b56f2c93adb25f12e7868e2d0cbd0a237ed1ad/src/mongo/db/concurrency/d_concurrency.h#L343&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;classes&lt;/a&gt;&#160;expose an isLocked() method that returns true if the lock acquisition had succeeded during object construction.&lt;/p&gt;

&lt;p&gt;These isLocked() methods are unaware of lock yields and return true even if &lt;a href=&quot;https://github.com/10gen/mongo/blob/b9b56f2c93adb25f12e7868e2d0cbd0a237ed1ad/src/mongo/db/concurrency/locker.h#L393-L408&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;the lock has been rescinded&lt;/a&gt;.&lt;br/&gt;
I am unaware of an existing bug due to this behaviour, however this has been a source of confusion when investigating &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-79761&quot; title=&quot;GlobalLock can segfault due to not actually holding lock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-79761&quot;&gt;&lt;del&gt;SERVER-79761&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;We should make these two methods aware of yields by having them consult the lock manager.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2448786">SERVER-81333</key>
            <summary>Make the GlobalLock and DBLock RAII types aware of yields</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</priority>
                        <status id="1" iconUrl="https://jira.mongodb.org/images/icons/statuses/open.png" description="">Open</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="josef.ahmad@mongodb.com">Josef Ahmad</assignee>
                                    <reporter username="josef.ahmad@mongodb.com">Josef Ahmad</reporter>
                        <labels>
                            <label>techdebt</label>
                    </labels>
                <created>Fri, 22 Sep 2023 05:55:13 +0000</created>
                <updated>Tue, 6 Feb 2024 14:01:42 +0000</updated>
                                                                                                <votes>0</votes>
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