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(parent: 1301c80) | patch
Use 64-bit atomics for xlblocks array elements.
authorJeff Davis <jdavis@postgresql.org>
Wed, 20 Dec 2023 01:35:42 +0000 (17:35 -0800)
committerJeff Davis <jdavis@postgresql.org>
Wed, 20 Dec 2023 01:35:42 +0000 (17:35 -0800)
commitc3a8e2a7cb16d55e3b757934b538cb8b8a0eab02
treed22d792b0b99be09bb267399ede72c5f16419de8tree
parent1301c80b2167feb658a738fa4ceb1c23d0991e23commit | diff
Use 64-bit atomics for xlblocks array elements.

In preparation for reading the contents of WAL buffers without a
lock. Also, avoids the previously-needed comment in GetXLogBuffer()
explaining why it's safe from torn reads.

Author: Bharath Rupireddy
Discussion: https://postgr.es/m/CALj2ACVfFMfqD5oLzZSQQZWfXiJqd-NdX0_317veP6FuB31QWA@mail.gmail.com
Reviewed-by: Andres Freund
src/backend/access/transam/xlog.c diff | blob | blame | history
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