mirror of https://github.com/postgres/postgres
6d660587f6
is deleted. A backend about to unlink a file now sends a "revoke fsync" request to the bgwriter to make it clean out pending fsync requests. There is still a race condition where the bgwriter may try to fsync after the unlink has happened, but we can resolve that by rechecking the fsync request queue to see if a revoke request arrived meanwhile. This eliminates the former kluge of "just assuming" that an ENOENT failure is okay, and lets us handle the fact that on Windows it might be EACCES too without introducing any questionable assumptions. After an idea of mine improved by Magnus. The HEAD patch doesn't apply cleanly to 8.2, but I'll see about a back-port later. In the meantime this could do with some testing on Windows; I've been able to force it through the code path via ENOENT, but that doesn't prove that it actually fixes the Windows problem ... |
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| config | ||
| contrib | ||
| doc | ||
| src | ||
| COPYRIGHT | ||
| GNUmakefile.in | ||
| Makefile | ||
| README | ||
| README.CVS | ||
| aclocal.m4 | ||
| configure | ||
| configure.in | ||
README
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 including some of the more common listed below: C++ - http://thaiopensource.org/development/libpqxx/ JDBC - http://jdbc.postgresql.org ODBC - http://odbc.postgresql.org Perl - http://search.cpan.org/~dbdpg/ PHP - http://www.php.net Python - http://www.initd.org/ Ruby - http://ruby.scripting.ca/postgres/ Other language binding are available from a variety of contributing parties. PostgreSQL also has a great number of procedural languages available, a short but not complete list is below: PL/pgSQL - included in PostgreSQL source distribution PL/Perl - included in PostgreSQL source distribution PL/PHP - http://projects.commandprompt.com/projects/public/plphp PL/Python - included in PostgreSQL source distribution PL/Java - http://gborg.postgresql.org/project/pljava/projdisplay.php PL/Tcl - included in PostgreSQL source distribution 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. Changes between all PostgreSQL releases are recorded in the file HISTORY. 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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.