Jacek Konieczny wrote:

>I have reported the problem once here on the list, and today again,
>on the bugtracker:
>http://gborg.postgresql.org/project/slony1/bugs/bugupdate.php?1457
>
>The patch fixes the most obvious point of failure, but it seems there
>are other places in the code where similar problem may occur ("rc",
>result from file operation, is ignored most of time).
>  
>
I have applied this to -HEAD and will add it to 1.1_STABLE.

Probably even more rc checks should be added.  At one point I intended
to go through and add them comprehensively; apparently that didn't
happen.  It needs to.