postgres

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Tom Lane 29213636e6 Make safeguard against incorrect flags for fsync more portable.

The existing code assumed that O_RDONLY is defined as 0, but this is
not required by POSIX and is not true on GNU Hurd.  We can avoid
the assumption by relying on O_ACCMODE to mask the fcntl() result.
(Hopefully, all supported platforms define that.)

Author: Michael Banck <mbanck@gmx.net>
Co-authored-by: Samuel Thibault
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://postgr.es/m/6862e8d1.050a0220.194b8d.76fa@mx.google.com
Discussion: https://postgr.es/m/68480868.5d0a0220.1e214d.68a6@mx.google.com
Backpatch-through: 13

2025-07-01 12:08:20 -04:00

aio

aio: Add missing memory barrier when waiting for IO handle

2025-06-16 12:36:01 -04:00

buffer

Fix incorrect format placeholders

2025-06-03 21:38:04 +02:00

file

Make safeguard against incorrect flags for fsync more portable.

2025-07-01 12:08:20 -04:00

freespace

doc: Correct description of values used in FSM for indexes