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authorThomas Munro <tmunro@postgresql.org>2021-03-01 15:16:56 +1300
committerThomas Munro <tmunro@postgresql.org>2021-03-01 16:10:16 +1300
commita042ba2ba7bb44f191f6f9398da27f04a958a0db (patch)
treef949be47931ef00d2de100192c4ab3583c5ed574 /src/backend/utils/init/miscinit.c
parentcf54e04b9e29a13c5e7c2386c5e2ff785e830414 (diff)
downloadpostgresql-a042ba2ba7bb44f191f6f9398da27f04a958a0db.tar.gz
postgresql-a042ba2ba7bb44f191f6f9398da27f04a958a0db.zip
Introduce symbolic names for FeBeWaitSet positions.
Previously we used 0 and 1 to refer to the socket and latch in far flung parts of the tree, without any explanation. Also use PGINVALID_SOCKET rather than -1 in a couple of places that didn't already do that. Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com> Discussion: https://postgr.es/m/CA%2BhUKGJAC4Oqao%3DqforhNey20J8CiG2R%3DoBPqvfR0vOJrFysGw%40mail.gmail.com
Diffstat (limited to 'src/backend/utils/init/miscinit.c')
-rw-r--r--src/backend/utils/init/miscinit.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/utils/init/miscinit.c b/src/backend/utils/init/miscinit.c
index e6550f99eec..8b73850d0df 100644
--- a/src/backend/utils/init/miscinit.c
+++ b/src/backend/utils/init/miscinit.c
@@ -202,7 +202,8 @@ SwitchToSharedLatch(void)
MyLatch = &MyProc->procLatch;
if (FeBeWaitSet)
- ModifyWaitEvent(FeBeWaitSet, 1, WL_LATCH_SET, MyLatch);
+ ModifyWaitEvent(FeBeWaitSet, FeBeWaitSetLatchPos, WL_LATCH_SET,
+ MyLatch);
/*
* Set the shared latch as the local one might have been set. This
@@ -221,7 +222,8 @@ SwitchBackToLocalLatch(void)
MyLatch = &LocalLatchData;
if (FeBeWaitSet)
- ModifyWaitEvent(FeBeWaitSet, 1, WL_LATCH_SET, MyLatch);
+ ModifyWaitEvent(FeBeWaitSet, FeBeWaitSetLatchPos, WL_LATCH_SET,
+ MyLatch);
SetLatch(MyLatch);
}