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Use ProcNumbers instead of direct Latch pointers to address other procs

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This is in preparation for replacing Latches with a new abstraction.
That's still work in progress, but this seems a little tidier anyway,
so let's get this refactoring out of the way already.

Discussion: https://www.postgresql.org/message-id/391abe21-413e-4d91-a650-b663af49500c%40iki.fi
This commit is contained in:
Heikki Linnakangas
2024-11-01 13:47:20 +02:00
parent e819bbb7c8
commit a9c546a5a3
11 changed files with 72 additions and 55 deletions
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6
src/backend/postmaster/walwriter.c
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@@ -208,10 +208,10 @@ WalWriterMain(char *startup_data, size_t startup_data_len)
SetWalWriterSleeping(false);
/*
* Advertise our latch that backends can use to wake us up while we're
* sleeping.
* Advertise our proc number that backends can use to wake us up while
* we're sleeping.
*/
ProcGlobal->walwriterLatch = &MyProc->procLatch;
ProcGlobal->walwriterProc = MyProcNumber;
/*
* Loop forever