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Commit 8e19a8264 changed the SIGQUIT handlers of almost all server processes not to run atexit callbacks. The archiver process was skipped, perhaps because it's not connected to shared memory; but it's just as true here that running atexit callbacks in a signal handler is unsafe. So let's make it work like the rest. In HEAD and v13, we can use the common SignalHandlerForCrashExit handler. Before that, just tweak pgarch_exit to use _exit(2) explicitly. Like the previous commit, back-patch to all supported branches. Kyotaro Horiguchi, back-patching by me Discussion: https://postgr.es/m/1850884.1599601164@sss.pgh.pa.us
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/.