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e42a21b9e6
Since we have chosen to report socket EOF and error conditions via the WL_SOCKET_READABLE flag bit, it's unsafe to wait only for WL_SOCKET_WRITEABLE; the caller would never be notified of the socket condition, and in some of these implementations WaitLatchOrSocket would busy-wait until something else happens. Add this restriction to the API specification, and add Asserts to check that callers don't try to do that. At some point we might want to consider adjusting the API to relax this restriction, but until we have an actual use case for waiting on a write-only socket, it seems premature to design a solution. |
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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. 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/.