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 <daniel(at)yesql(dot)se>
Discussion: https://postgr.es/m/CA%2BhUKGLafjB1uzXcy%3D%3D2L3cy7rjHkqOVn7qRYGBjk%3D%3DtMJE7Yg%40mail.gmail.com
Branch
------
REL9_6_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/996e69c1addcb96ca3cc9278142f418c3bd06c00
Modified Files
--------------
src/backend/storage/lmgr/lwlock.c | 27 +++++++++------------------
1 file changed, 9 insertions(+), 18 deletions(-)