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Re: pgsql on Solaris 10

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: vodhner(at)cox(dot)net
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: pgsql on Solaris 10
Date: 2006-09-14 20:11:56
Message-ID: 200609142011.k8EKBu828058@momjian.us (view raw or flat)
Thread:
Lists: pgsql-bugs
Based on the date of the posting, I think this will be fixed when we
release 8.1.5 soon.  If you want, use CVS to pull the 8_1 tag and try
that.

---------------------------------------------------------------------------

vodhner(at)cox(dot)net wrote:
> Compiling PostgreSQL 8.1.4 under Solaris 10, I ran into a problem documented back on 2006-05-30.  Apparently in order to compile successfully, one has to remove an unreferenced function pqsignalinquire()  in src/interfaces/libpq/pqsignal.c.
> 
> Since I stepped into this hole, is there anything I can do to help ensure that nobody else has to get lost on Google for several hours tracking down the same problem?  I have been a Free Software user for some time but am not familiar with ways of feeding back into the process.
> 
> Thanks,
> 
> Victor Odhner
>  
> ----- 
> 
> Details of the problem:
> 
> Removing the function eliminated the following error when linking "initdb":
> 
>   Undefined symbol    --    first referenced in file
> 
>   sigmask                      --    ../../../src/interfaces/libpq/libpq.so
> 
>   sigblock                      --    ../../../src/interfaces/libpq/libpq.so
> 
>   ld: fatal: Symbol referencing errors. No output written to initdb
> 
> My guidance came from a posting by Tom Lane, 2006-05-30 --
>    http://archive.netbsd.se/?ml=pgsql-admin&a=2006-05&t=2058700 dated 2006-05-30
> 
> The rest of this message digests that posting.
> 
> Tom Lane Quoted Bruce Momjian from another discussion:
>  2004-01-08 21:02  momjian
> 
>     * doc/src/sgml/libpq.sgml, src/backend/nodes/read.c,
>     src/interfaces/libpq/fe-connect.c, src/interfaces/libpq/fe-print.c,
>     src/interfaces/libpq/fe-secure.c, src/interfaces/libpq/libpq-fe.h,
>     src/interfaces/libpq/libpq-int.h, src/interfaces/libpq/pqsignal.c,
>     src/interfaces/libpq/pqsignal.h: Allow libpq to do thread-safe
>     SIGPIPE handling.  This allows it to ignore SIGPIPE from send() in
>     libpq, but terminate on any other SIGPIPE, unless the user installs
>     their own signal handler.
>       
>     This is a minor fix because the only time you get SIGPIPE from
>     libpq's send() is when the backend dies.
> 
>   The code appears to unconditionally assume that sigmask() and sigblock() exist.
>   Not a   good assumption.
> 
> (End of Momjian quote; Tom Lane continued . . .)
> 
> AFAICS pqsignalinquire() isn't even used anywhere (at least not in
> HEAD), so the simplest answer may be to remove it rather than try to
> fix it.  It's in src/interfaces/libpq/pqsignal.c.
> 
> (V.Odhner comment:  This worked for the person who started that discussion, and it seems to have worked for me.)
> 
> -----
> 
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster

-- 
  Bruce Momjian   bruce(at)momjian(dot)us
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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