postgres-github.git / summary / log / commit / refs

commit    f10b6be2581f879f24a4830443bab356ec6d71c5
Author:   Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date:     Sun Apr 05 18:05:20 2026 +0000

    Check that the tranche name is unique in RequestNamedLWLockTranche
    
    You could request two tranches with same name, but things would get
    confusing when you called GetNamedLWLockTranche() to get the LWLocks
    allocated for them; it would always return the first tranche with the
    name. That doesn't make sense, so forbid duplicates.
    
    We still allow duplicates with LWLockNewTrancheId(). That works better
    as you don't use the name to look up the tranche ID later. It's still
    confusing in wait events, for example, but it's not dangerous in the
    same way.
    
    Reviewed-by: Sami Imseih <samimseih@gmail.com>
    Discussion: https://www.postgresql.org/message-id/463a28db-0c0b-4af6-bac6-3891828bbbfe@iki.fi

[parent: 92a685e4070d]