SEI CERT Oracle Coding Standard for Java

Space shortcuts

Page tree

Title: Rule 09. Locking (LCK)  
Author: Dhruv Mohindra Jul 20, 2008
Last Changed by: David Svoboda Aug 07, 2025
Tiny Link: (useful for email) https://wiki.sei.cmu.edu/confluence/x/8jZGBQ
Export As: Word · PDF  
Incoming Links
SEI CERT Oracle Coding Standard for Java (7)
    Page: LCK07-J. Avoid deadlock by requesting and releasing locks in the same order
    Page: LCK06-J. Do not use an instance lock to protect shared static data
    Page: LCK00-J. Use private final lock objects to synchronize classes that may interact with untrusted code
    Page: LCK05-J. Synchronize access to static fields that can be modified by untrusted code
    Page: LCK02-J. Do not synchronize on the class object returned by getClass()
    Page: LCK03-J. Do not synchronize on the intrinsic locks of high-level concurrency objects
    Page: LCK11-J. Avoid client-side locking when using classes that do not commit to their locking strategy
Hierarchy
Parent Page
    Page: 2 Rules
Children (12)
    Page: LCK00-J. Use private final lock objects to synchronize classes that may interact with untrusted code
    Page: LCK01-J. Do not synchronize on objects that may be reused
    Page: LCK02-J. Do not synchronize on the class object returned by getClass()
    Page: LCK03-J. Do not synchronize on the intrinsic locks of high-level concurrency objects
    Page: LCK04-J. Do not synchronize on a collection view if the backing collection is accessible
    Page: LCK05-J. Synchronize access to static fields that can be modified by untrusted code
    Page: LCK06-J. Do not use an instance lock to protect shared static data
    Page: LCK07-J. Avoid deadlock by requesting and releasing locks in the same order
    Page: LCK08-J. Ensure actively held locks are released on exceptional conditions
    Page: LCK09-J. Do not perform operations that can block while holding a lock
Labels
Global Labels (4)
Recent Changes
Time Editor  
Aug 07, 2025 08:17 David Svoboda View Changes
Aug 06, 2025 18:07 David Svoboda View Changes
Aug 06, 2025 17:26 David Svoboda View Changes
Aug 06, 2025 17:21 David Svoboda View Changes
REM cost reform
Mar 15, 2022 09:46 David Svoboda  
Outgoing Links
External Links (3)
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
    https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…
SEI CERT Oracle Coding Standard for Java (1)     Home page: SEI CERT Oracle Coding Standard for Java