https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238212
Bug ID: 238212
Summary: [Witness] Errors are reported when taking a recursive
lock
Product: Base System
Version: 11.2-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 204696
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=204696&action=edit
Add a check in witness to allow taking a lock recursively
When using a recursive lock, witness trigger an errors if the lock is taken
twice although it is an expected case.
This was observed when using a rm_lock created with the RM_RECURSE flag.
So I add a check in witness to check is the class of the lock have the
LC_RECURSABLE flag set before triggering the error.
Note that this is a quick fix which could probably be enhanced.
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