Chris Marcellino wrote: > Tom, that is a definitely valid point and thanks for the feedback. I > assume that the 'more modern' string segment naming gave the POSIX > methods an edge in avoiding collision between other apps. > As far as detecting a) whether anyone else is currently attached to > that segment and b) whether an earlier existence of the current > backend was still attached to a segment, I presumed that checking the > pid's of the backend that owns the shared memory segment and checking > the data directory (both which the SysV code already does) would > suffice?
Is there an API call to list all PIDs that are connected to a particular segment? -- Alvaro Herrera http://www.CommandPrompt.com/ PostgreSQL Replication, Consulting, Custom Development, 24x7 support ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
