public inbox for [email protected]  
help / color / mirror / Atom feed
From: Bryan Green <[email protected]>
To: Álvaro Herrera <[email protected]>
Cc: Euler Taveira <[email protected]>
Cc: Jakub Wartak <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: pgsql-hackers <[email protected]>
Subject: Re: [PATCH] Add Windows support for backtrace_functions (MSVC only)
Date: Mon, 23 Feb 2026 14:32:55 -0600
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

On 2/23/2026 2:16 PM, Álvaro Herrera wrote:
> Hello, thanks for following up.
> 
> However, I was going over the commit message one final time after your
> reply, and I noticed that SymInitialize()'s documentation says quite
> explicitly:
> 
> "Do not use the handle returned by GetCurrentProcess"
> https://learn.microsoft.com/en-us/windows/win32/api/dbghelp/nf-dbghelp-syminitialize
> 
> which is exactly what we do with this patch.
> 
> I think we should DuplicateHandle() on the GetCurrentProcess() handle
> (which then obviously needs CloseHandle afterwards).  Would you agree?
> 
> Here's the whole thing again with edited commit message and some trivial
> stylistic changes.
> 
> 
> I was amused to discover that Solaris, macOS and FreeBSD all copied the
> backtrace() interface from glibc, and the only platform in the buildfarm
> other than Windows that seems to lack support for backtraces is Alpine
> Linux.
> 
> Regards
> 
Ok, yeah, we should use DuplicateHandle().

-- 
Bryan Green
EDB: https://www.enterprisedb.com






view thread (2+ messages)

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected], [email protected], [email protected]
  Subject: Re: [PATCH] Add Windows support for backtrace_functions (MSVC only)
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox