Tom Lane wrote:
> Bruce Momjian <br...@momjian.us> writes:
> > Tom Lane wrote:
> >> No.  If it goes in, it should go in as the third line.  The shmem key
> >> data is private to the server --- we do not want external programs
> >> assuming anything at all about the private part of postmaster.pid.
> 
> > OK, so you are suggesting having it as a third value on the third line?
> 
> >     10231
> >     /u/pgsql/data
> >       5432001  45481984 port_here
> >                         ^^^^^^^^^
> 
> I'm not sure why you're having such a hard time grasping this concept.
> We do not want pg_ctl looking at the shmem key information, not even to
> the extent of assuming a particular format for it.  Therefore the port
> number has to go before it not after it.  What I'm thinking of is
> 
>       pid
>       datadir
>       port
>       ... here be dragons ...
> 
> Actually, if we're going to do this at all, we should do
> 
>       pid
>       datadir
>       port
>       socketdir
>       ... here be dragons ...
> 
> so that pg_ctl doesn't have to assume the server is running with a
> default value of unix_socket_dir.  Not sure what to put in the fourth
> line on Windows though ... maybe just leave it empty?

OK.  I was hesitant to modify the existing postmaster.pid format and was
trying to just add on the end.  It is certainly easier to put it before
the shared memory stuff.  I will work on a patch.

-- 
  Bruce Momjian  <br...@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +

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