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Some frontend code like e.g. pg_xlogdump or pg_resetxlog, has to use backend headers. Unfortunately until now that code includes most of the locking code. It's generally not nice to expose such low level details, but de6fd1c898 made that a hard problem. We fall back to defining 'inline' away if the compiler doesn't support it - that can cause linker errors like on buildfarm animal pademelon if a inline function references backend only code. To fix that problem separate definitions from lock.h that are required from frontend code into lockdefs.h and use it in the relevant places. I've only removed the minimal amount of necessary definitions for now - it might turn out that we want more for other reasons. To avoid such details being exposed again put some checks against being included from frontend code into atomics.h, lock.h, lwlock.h and s_lock.h. It's otherwise fairly easy to indirectly include these headers. Discussion: 20150806070902.GE12214@awork2.anarazel.de
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: http://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 http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.