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807b45375b
Since we start the worker threads with _beginthreadex(), we should use _endthreadex() to terminate them. We got this right in the normal-exit code path, but not so much during an error exit from a worker. In addition, be sure to apply CloseHandle to the thread handle after each thread exits. It's not clear that these oversights cause any user-visible problems, since the pg_dump run is about to terminate anyway. Still, it's clearly better to follow Microsoft's API specifications than ignore them. Also a few cosmetic cleanups in WaitForTerminatingWorkers(), including being a bit less random about where to cast between uintptr_t and HANDLE, and being sure to clear the worker identity field for each dead worker (not that false matches should be possible later, but let's be careful). Original observation and patch by Armin Schöffmann, cosmetic improvements by Michael Paquier and me. (Armin's patch also included closing sockets in ShutdownWorkersHard(), but that's been dealt with already in commit df8d2d8c4.) Back-patch to 9.3 where parallel pg_dump was introduced. Discussion: <zarafa.570306bd.3418.074bf1420d8f2ba2@root.aegaeon.de> |
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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: 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/.