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Refactor some code related to wait events "BufferPin" and "Extension"

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The following changes are done:
- Addition of WaitEventBufferPin and WaitEventExtension, that hold a
list of wait events related to each category.
- Addition of two functions that encapsulate the list of wait events for
each category.
- Rename BUFFER_PIN to BUFFERPIN (only this wait event class used an
underscore, requiring a specific rule in the automation script).

These changes make a bit easier the automatic generation of all the code
and documentation related to wait events, as all the wait event
categories are now controlled by consistent structures and functions.

Author: Bertrand Drouvot
Discussion: https://postgr.es/m/c6f35117-4b20-4c78-1df5-d3056010dcf5@gmail.com
Discussion: https://postgr.es/m/77a86b3a-c4a8-5f5d-69b9-d70bbf2e9b98@gmail.com
This commit is contained in:
Michael Paquier
2023-07-03 11:01:02 +09:00
parent 8c12838001
commit 2aeaf80e57
11 changed files with 93 additions and 19 deletions
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4
contrib/pg_prewarm/autoprewarm.c
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@ -237,7 +237,7 @@ autoprewarm_main(Datum main_arg)
(void) WaitLatch(MyLatch,
WL_LATCH_SET | WL_EXIT_ON_PM_DEATH,
-1L,
PG_WAIT_EXTENSION);
WAIT_EVENT_EXTENSION);
}
else
{
@ -264,7 +264,7 @@ autoprewarm_main(Datum main_arg)
(void) WaitLatch(MyLatch,
WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
delay_in_ms,
PG_WAIT_EXTENSION);
WAIT_EVENT_EXTENSION);
}
/* Reset the latch, loop. */