Introduce symbolic names for FeBeWaitSet positions.
authorThomas Munro <tmunro@postgresql.org>
Mon, 1 Mar 2021 02:16:56 +0000 (15:16 +1300)
committerThomas Munro <tmunro@postgresql.org>
Mon, 1 Mar 2021 03:10:16 +0000 (16:10 +1300)
commita042ba2ba7bb44f191f6f9398da27f04a958a0db
treef949be47931ef00d2de100192c4ab3583c5ed574
parentcf54e04b9e29a13c5e7c2386c5e2ff785e830414
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
src/backend/libpq/be-secure.c
src/backend/libpq/pqcomm.c
src/backend/utils/init/miscinit.c
src/include/libpq/libpq.h