E"
>contrib/pgstattuple</TT
> functions respond to cancel
      interrupts promptly (Tatsuhito Kasahara)
     </P
></LI
><LI
><P
>      Make server startup deal properly with the case that
      <CODE
CLASS="FUNCTION"
>shmget()</CODE
> returns <TT
CLASS="LITERAL"
>EINVAL</TT
> for an existing
      shared memory segment (Tom)
     </P
><P
>      This behavior has been observed on BSD-derived kernels including OS X.
      It resulted in an entirely-misleading startup failure complaining that
      the shared