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Rename assorted LWLock tranches.

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Choose names that fit into the conventions for wait event names
(particularly, that multi-word names are in the style MultiWordName)
and hopefully convey more information to non-hacker users than the
previous names did.

Also rename SerializablePredicateLockListLock to
SerializablePredicateListLock; the old name was long enough to cause
table formatting problems, plus the double occurrence of "Lock" seems
confusing/error-prone.

Also change a couple of particularly opaque LWLock field names.

Discussion: https://postgr.es/m/28683.1589405363@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2020-05-15 18:11:03 -04:00
parent a0ab4f4909
commit 36ac359d36
15 changed files with 311 additions and 267 deletions
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4
src/backend/storage/lmgr/proc.c
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@@ -221,7 +221,7 @@ InitProcGlobal(void)
/* Common initialization for all PGPROCs, regardless of type. */
/*
* Set up per-PGPROC semaphore, latch, and backendLock. Prepared xact
* Set up per-PGPROC semaphore, latch, and fpInfoLock. Prepared xact
* dummy PGPROCs don't need these though - they're never associated
* with a real process
*/
@@ -229,7 +229,7 @@ InitProcGlobal(void)
{
procs[i].sem = PGSemaphoreCreate();
InitSharedLatch(&(procs[i].procLatch));
LWLockInitialize(&(procs[i].backendLock), LWTRANCHE_PROC);
LWLockInitialize(&(procs[i].fpInfoLock), LWTRANCHE_LOCK_FASTPATH);
}
procs[i].pgprocno = i;