> -----Original Message----- > From: pgsql-hackers-ow...@postgresql.org [mailto:pgsql-hackers- > ow...@postgresql.org] On Behalf Of Rayson Ho > Sent: Tuesday, February 16, 2010 9:39 AM > To: David Fetter > Cc: Andrew Dunstan; PG Hackers > Subject: Re: [HACKERS] OpenVMS? > > On Tue, Feb 16, 2010 at 11:22 AM, David Fetter wrote: > > * Shell access from several accounts > > * Git or cvs client > > * Compiler tools > > * Perl of a fairly recent vintage > > * Outbound http access > > I had access to the HP testdrive before they closed it down (the Unix > servers were down in Sept 08, but the VMS cluster was running till Jan > 2010). They blocked all outbound internet access to the testdrive > servers -- only telnet and ftp were allowed. > > Count me in for the OpenVMS porting effort (but I guess I will apply > for an account seperately as I might port other things to OpenVMS in > the future). I believe the porting effort is larger than a new Unix > port but smaller than the Windows port, as most of the Unix and POSIX > functions and system calls are supported on OpenVMS. > > MySQL has around 10 functions changed or written specifically for > OpenVMS, most of those are related to utime(), $UMASK & $UMASKDIR, > open(), and Unix pathnames. (I think utime() support was added a few > years ago to OpenVMS 7.3 & 8.0 -- so may be the code was added to > MySQL for earlier VMS versions.) > > PostgreSQL uses fork(), which is not supported on OpenVMS. However, > the techniques used by the WIN32 version of internal_forkexec() in > src/backend/postmaster/postmaster.c give the VMS version a good > starting point.
For PostgreSQL, you will probably want to use LIB$SPAWN() as a rough equivalent to CreateProcess() on Windows http://www.sysworks.com.au/disk$vaxdocsep002/opsys/vmsos721/5932/5932pro_041.html > Lastly, are we going to support ODS-2 disks?? And are we going to > require GNV installed for building and running PostgreSQL on OpenVMS?? -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
