Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt

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От Nathan Bossart
Тема Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt
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Msg-id aH7qsdN7s6eqHTcn@nathan
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Ответ на Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt  (Michael Paquier <michael@paquier.xyz>)
Ответы Re: Verify predefined LWLocks tranches have entries in wait_event_names.txt
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On Tue, Jul 22, 2025 at 08:02:52AM +0900, Michael Paquier wrote:
> Ah, you mean removing the need to have to maintain BuiltinTrancheIds.
> This structure depends on NUM_INDIVIDUAL_LWLOCKS for the start value.
> Not really an objection per-se, but trying to automate everything may
> impact the readability of this area of the code.

I bet we could maintain a decent level of readability with some extra
commentary.  IMHO it's worth it to avoid maintaining duplicate lists.  But
that's not something I feel terribly strong about, if others disagree.
FWIW I was imagining something like this:

    typedef enum BuiltinTrancheIds
    {
        LWTRANCHE_INVALID = NUM_INDIVIDUAL_LWLOCKS - 1,
    #define PG_BUILTIN_LWTRANCHE(id, name) id,
    #include "storage/lwlocktranchelist.h"
    #undef PG_BUILTIN_LWTRANCHE
        LWTRANCHE_FIRST_USER_DEFINED,
    }           BuiltinTrancheIds;

-- 
nathan



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