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Use WaitLatch() instead of pg_usleep() at the end of backups

Michael Paquier <michael@paquier.xyz>

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Commit: 2aca19f2989aa938ece7306678f5494a984ece3f
Author: Michael Paquier <michael@paquier.xyz>
Date: 2021-07-05T23:10:59Z
Releases: 15.0 
Use WaitLatch() instead of pg_usleep() at the end of backups

This concerns pg_stop_backup() and BASE_BACKUP, when waiting for the
WAL segments required for a backup to be archived.  This simplifies a
bit the handling of the wait event used in this code path.

Author: Bharath Rupireddy
Reviewed-by: Michael Paquier, Stephen Frost
Discussion: https://postgr.es/m/CALj2ACU4AdPCq6NLfcA-ZGwX7pPCK5FgEj-CAU0xCKzkASSy_A@mail.gmail.com

Files

PathChange+/−
src/backend/access/transam/xlog.c modified +5 −3

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