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Hallvard Furuseth 1878213092 Fix mdb_reader_pid().
Treat unexpected errors as "don't know".  Invert Pidcheck return
value, so nonzero including error codes = "the process may exist".

On Windows: Catch exited but still existing processes.  Handle
undefined PROCESS_QUERY_LIMITED_INFORMATION.
On Unix: don't trust F_GETLK error to leave the input alone,
the fcntl() doc seems unclear.
2013-08-08 19:43:04 +02:00
libraries/liblmdb Fix mdb_reader_pid(). 2013-08-08 19:43:04 +02:00