Re: errbacktrace

Peter Eisentraut <peter.eisentraut@2ndquadrant.com>

From: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
To: pgsql-hackers <pgsql-hackers@postgresql.org>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>, Dmitry Dolgov <9erthalion6@gmail.com>, Thomas Munro <thomas.munro@gmail.com>
Date: 2019-08-13T08:12:10Z
Lists: pgsql-hackers

Attachments

On 2019-07-22 20:19, Peter Eisentraut wrote:
> On 2019-07-09 11:43, Peter Eisentraut wrote:
>> After further research I'm thinking about dropping the libunwind
>> support.  The backtrace()/backtrace_symbols() API is more widely
>> available: darwin, freebsd, linux, netbsd, openbsd (via port), solaris,
>> and of course it's built-in, whereas libunwind is only available for
>> linux, freebsd, hpux, solaris, and requires an external dependency.
> 
> Here is an updated patch without the libunwind support, some minor
> cleanups, documentation, and automatic back traces from assertion failures.

Another updated version.

I have changed the configuration setting to backtrace_functions plural,
so that you can debug more than one location at once.  I had originally
wanted to do that but using existing functions like
SplitIdentifierString() resulted in lots of complications with error
handling (inside error handling!).  So here I just hand-coded the list
splitting.  Seems simple enough.

I think this patch is now good to go from my perspective.

-- 
Peter Eisentraut              http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Remove debugging aid