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This reverts commits 24c35ec and 57169ad. PreRestoreCommand() and PostRestoreCommand() need to be put closer to the system() call calling a restore_command, as they enable in_restore_command for the startup process which would in turn trigger an immediate proc_exit() in the SIGTERM handler. Perhaps we could get rid of this behavior entirely, but 24c35ec has made the window where the flag is enabled much larger than it was, and any Postgres-like actions (palloc, etc.) taken by code paths while the flag is enabled could lead to more severe issues in the shutdown processing. Note that curculio has showed that there are much more problems in this area, unrelated to this change, actually, hence the issues related to that had better be addressed first. Keeping the code of HEAD in line with the stable branches should make that a bit easier. Per discussion with Andres Freund and Nathan Bossart. Discussion: https://postgr.es/m/Y979NR3U5VnWrTwB@paquier.xyz |
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PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: https://www.postgresql.org/download/ See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.