Remove more obsolete comments about semaphores.
authorThomas Munro <[email protected]>
Fri, 9 Jul 2021 05:51:48 +0000 (17:51 +1200)
committerThomas Munro <[email protected]>
Fri, 9 Jul 2021 06:07:30 +0000 (18:07 +1200)
commit996e69c1addcb96ca3cc9278142f418c3bd06c00
tree6d94d2e3a9caccc5130fd962018cebbcb640f2b0
parent3e474a7087cf65c45b88b459bd5aa7a8aa70df72
Remove more obsolete comments about semaphores.

Commit 6753333f stopped using semaphores as the sleep/wake mechanism for
heavyweight locks, but some obsolete references to that scheme remained
in comments.  As with similar commit 25b93a29, back-patch all the way.

Reviewed-by: Daniel Gustafsson <[email protected]>
Discussion: https://postgr.es/m/CA%2BhUKGLafjB1uzXcy%3D%3D2L3cy7rjHkqOVn7qRYGBjk%3D%3DtMJE7Yg%40mail.gmail.com
src/backend/storage/lmgr/lwlock.c