pgsql: Cleanup comments/docs around the new shmem request callbacks

Heikki Linnakangas <heikki.linnakangas@iki.fi>

From: Heikki Linnakangas <heikki.linnakangas@iki.fi>

To: pgsql-committers@lists.postgresql.org

Date: 2026-07-07T19:40:07Z

Lists: pgsql-hackers

Cleanup comments/docs around the new shmem request callbacks

Make it explicit in the docs that the shmem initialization callbacks
are called while holding ShmemIndexLock.

Reviewed-by: Ashutosh Bapat <ashutosh.bapat.oss@gmail.com>
Discussion: https://www.postgresql.org/message-id/CAExHW5sHs+eSiTDOd14buayc6JbBX=Hm5ssFMBK0Ki9sTGEOuA@mail.gmail.com
Backpatch-through: 19

Branch
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REL_19_STABLE

Details
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https://git.postgresql.org/pg/commitdiff/a53d6d8aea8fe703d86dd2bdc0a3d86800eca7c3

Modified Files
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doc/src/sgml/xfunc.sgml         | 4 ++--
src/backend/storage/ipc/shmem.c | 7 +++++--
2 files changed, 7 insertions(+), 4 deletions(-)