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a73d083195
At least as far back as the 2008 spec, POSIX has defined strsignal(3) for looking up descriptive strings for signal numbers. We hadn't gotten the word though, and were still using the crufty old sys_siglist array, which is in no standard even though most Unixen provide it. Aside from not being formally standards-compliant, this was just plain ugly because it involved #ifdef's at every place using the code. To eliminate the #ifdef's, create a portability function pg_strsignal, which wraps strsignal(3) if available and otherwise falls back to sys_siglist[] if available. The set of Unixen with neither API is probably empty these days, but on any platform with neither, you'll just get "unrecognized signal". All extant callers print the numeric signal number too, so no need to work harder than that. Along the way, upgrade pg_basebackup's child-error-exit reporting to match the rest of the system. Discussion: https://postgr.es/m/25758.1544983503@sss.pgh.pa.us |
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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/.