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On some platforms, fsync() returns EBADFD when opening a file descriptor with O_RDONLY (read-only), leading ultimately now to a PANIC to prevent data corruption. This commit adds a new sanity check in pg_fsync() based on fcntl() to make sure that we don't repeat again mistakes with incorrectly-set file descriptors so as problems are detected at an early stage. Without that, such errors could only be detected after running Postgres on a specific supported platform for the culprit code path, which could take some time before being found. |
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aclocal.m4 | ||
configure | ||
configure.in | ||
COPYRIGHT | ||
GNUmakefile.in | ||
HISTORY | ||
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README | ||
README.git |
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/.