Re: errbacktrace - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: errbacktrace
Date
Msg-id 20190722193747.GA29532@alvherre.pgsql
Whole thread Raw
In response to Re: errbacktrace  (Peter Eisentraut <peter.eisentraut@2ndquadrant.com>)
List pgsql-hackers
On 2019-Jul-22, 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.

The only possibly complaint I see is that the backtrace support in
ExceptionalCondition does not work for Windows eventlog/console ... but
that seems moot since Windows does not have backtrace support anyway.

+1 to get this patch in at this stage; we can further refine (esp. add
Windows support) later, if need be.

https://stackoverflow.com/questions/26398064/counterpart-to-glibcs-backtrace-and-backtrace-symbols-on-windows

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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