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_317vep6fub31...@mail.gmail.com Reviewed-by: Andres Freund Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/c3a8e2a7cb16d55e3b757934b538cb8b8a0eab02 Modified Files -------------- src/backend/access/transam/xlog.c | 40 +++++++++++++++++++-------------------- 1 file changed, 19 insertions(+), 21 deletions(-)
