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Re: Re: [HACKERS] Re: [PORTS] pgmonitor and Solaris

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Mathijs Brands <mathijs(at)ilse(dot)nl>, Larry Rosenman <ler(at)lerctr(dot)org>, Peter Eisentraut <peter_e(at)gmx(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, PostgreSQL-ports <pgsql-ports(at)postgresql(dot)org>, PostgreSQL-Admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Re: [HACKERS] Re: [PORTS] pgmonitor and Solaris
Date: 2001-03-29 00:12:45
Message-ID: 200103290012.TAA04827@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-adminpgsql-hackerspgsql-ports
> > On Wed, Mar 28, 2001 at 05:33:05PM -0500, Bruce Momjian allegedly wrote:
> >> Sure 'ps -U' will work, but it was reported that on Solaris, plain ps
> >> can't show the postgres status display, while ucb/ps can.  I don't need
> >> specific columns.  What I need is the postgres status parameters, and if
> >> possible, a user restriction to ps for performance reasons.
> 
> Looking at the sendmail code, it seems they use SPT_REUSEARGV (what we
> call PS_USE_CLOBBER_ARGV) technique on Solaris.  Possibly the problem is
> simply that line 65 in src/backend/utils/misc/ps_status.c fails to
> cover Solaris as one of the possible options:
> 
> #elif defined(__linux__) || defined(_AIX4) || defined(_AIX3) || defined(__sgi) || (defined(sun) && !defined(BSD)) || defined(ultrix) || defined(__ksr__) || defined(__osf__) || defined(__QNX__) || defined(__svr4__) || defined(__svr5__)
> #define PS_USE_CLOBBER_ARGV
> 
> Can someone check whether adding an appropriate Solaris symbol (which
> one?) fixes the problem?
> 
> The coding technique embodied in lines 63-67 pretty much sucks anyway,
> since this platform-specific knowledge ought to be out in the port.h
> files rather than hidden in the guts of the system.  I don't want to
> touch it right now, but I think we ought to have things like
> 
> 	#define PS_STATUS_TECHNIQUE PS_USE_CLOBBER_ARGV
> 
> in the port.h files, rather than these massive #ifdefs.

Added to TODO:

  * Move platform-specific ps status display info from ps_status.c to ports

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(at)candle(dot)pha(dot)pa(dot)us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

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