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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/29581] New: [gdb/debuginfod] Improve cancelling multiple
 downloads
Date: Sun, 18 Sep 2022 03:25:29 +0000
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X-Bugzilla-Component: gdb
X-Bugzilla-Version: HEAD
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29581

            Bug ID: 29581
           Summary: [gdb/debuginfod] Improve cancelling multiple downloads
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

When loading an exec into gdb, and libdebuginfod is enabled and available, a
single download of debug info is done.

But after starting the exec, shares libs will be loaded, and downloads will=
 be
issued for each of them, which can be many.

If you want to cancel a single download, you press ^C, and gdb will continue
with downloading the debuginfo for the next shared lib.

But if you want to cancel all following downloads, there's no option but to=
 ^C
repeatedly, all he way to the eventual gdb prompt.

IWBN if this process was streamlined somewhat.

A simple idea to improve on this would be to upon ^C present the user with a
choice prompt:
...
Download cancelled, continue downloading more debug info (y/n)?
...

If n is replied, the downloading of further debug info for other shared libs
would be cancelled.

The question is what scope that choice would have.  We could simply interpr=
et
it to mean "set debuginfod enabled off".

Alternatively, we could define a download session, and have it be valid for=
 the
length of the download session, which could last till for instance the next=
 gdb
prompt.

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