Re: errbacktrace - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: errbacktrace
Date
Msg-id 35beac83-bf15-9d79-05c4-2dccd0834993@2ndquadrant.com
Whole thread Raw
In response to Re: errbacktrace  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
Responses Re: errbacktrace  (Alvaro Herrera <alvherre@2ndquadrant.com>)
Re: errbacktrace  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
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

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