[Bug symtab/30714] New: make DWARF CU expansion interruptible

[Bug symtab/30714] New: make DWARF CU expansion interruptible

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30714

            Bug ID: 30714
           Summary: make DWARF CU expansion interruptible
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: symtab
          Assignee: unassigned at sourceware dot org
          Reporter: tromey at sourceware dot org
  Target Milestone: ---

Right now, DWARF CU expansion can't really be interrupted.
There are some calls to QUIT in the various "quick" APIs,
but none in the lower levels of expansion; nor in buildsym.c.
Allowing a finer-grained quit might be nice.
If bug #30713 is implemented, then this is a pre-requisite,
so that quits from some lower level don't break things.
(Though one option there would be to temporarily block
SIGINT or to install a no-op quit handler.)

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[Bug symtab/30714] make DWARF CU expansion interruptible

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30714

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |30713


Referenced Bugs:

https://sourceware.org/bugzilla/show_bug.cgi?id=30713
[Bug 30713] do not catch 'const gdb_exception &'
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[Bug symtab/30714] make DWARF CU expansion interruptible

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=30714

--- Comment #1 from Tom Tromey <tromey at sourceware dot org> ---
There's only one spot in the DWARF code that catches
plain gdb_exception, and it is in a worker thread,
which will never see a quit anyway.  So, the link
to bug#30713 isn't needed.

We probably need to audit some of the code to make sure
it is exception-safe.  Assuming that's true we can
just add QUITs in the CU expansion code.

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