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Introduce symbolic names for FeBeWaitSet positions.

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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
This commit is contained in:
Thomas Munro
2021-03-01 15:16:56 +13:00
parent cf54e04b9e
commit a042ba2ba7
4 changed files with 24 additions and 7 deletions
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4
src/backend/libpq/be-secure.c
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@@ -180,7 +180,7 @@ retry:
Assert(waitfor);
ModifyWaitEvent(FeBeWaitSet, 0, waitfor, NULL);
ModifyWaitEvent(FeBeWaitSet, FeBeWaitSetSocketPos, waitfor, NULL);
WaitEventSetWait(FeBeWaitSet, -1 /* no timeout */ , &event, 1,
WAIT_EVENT_CLIENT_READ);
@@ -292,7 +292,7 @@ retry:
Assert(waitfor);
ModifyWaitEvent(FeBeWaitSet, 0, waitfor, NULL);
ModifyWaitEvent(FeBeWaitSet, FeBeWaitSetSocketPos, waitfor, NULL);
WaitEventSetWait(FeBeWaitSet, -1 /* no timeout */ , &event, 1,
WAIT_EVENT_CLIENT_WRITE);