git.postgresql.org Git - postgresql.git/commit

git projects / postgresql.git / commit

summary | shortlog | log | commit | commitdiff | tree
(parent: 19f2d6c) | patch

Improve shm_mq portability around MAXIMUM_ALIGNOF and sizeof(Size).

Improve shm_mq portability around MAXIMUM_ALIGNOF and sizeof(Size).

Revise the original decision to expose a uint64-based interface and
use Size everywhere possible. Avoid assuming that MAXIMUM_ALIGNOF is
8, or making any assumption about the relationship between that value
and sizeof(Size). If MAXIMUM_ALIGNOF is bigger, we'll now insert
padding after the length word; if it's smaller, we are now prepared
to read and write the length word in chunks.

Per discussion with Tom Lane.

RSS Atom