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

Alvaro Herrera                      
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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