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…ro backup 2 for ENT" This reverts commit 98863ae
This patch adds compatibility changes for PostgreSQL 18:
- Updated signal handler initialization in pgut.c to use sigaction()
instead of pqsignal(), as pqsignal() now returns void.
- Updated process_block_change() in backup.c to handle the new
RelPathStr structure returned by relpathperm() in v18.
- Updated CreateReplicationSlot_compat() in stream.c to support the
new CreateReplicationSlot() signature introduced in v18.
These changes ensure successful build and runtime behavior with
PostgreSQL 18 while preserving backward compatibility with earlier
versions.
In commit 760162f user-callable CRC functions were added. Since pg_probackup uses pg_crc.c from the PostgreSQL source, this change is leading to the undefined reference to pg_detoast_datum_packed errors during the build. See also https://www.postgresql.org/message-id/flat/ME0P300MB0445018F5C924B2D88983F45B66CA%40ME0P300MB0445.AUSP300.PROD.OUTLOOK.COM
Unfortunately remote mode needs to extend ssh agent protocol, that will broke backward compatibility.
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