Re: Wait free LW_SHARED acquisition - v0.2

On Wed, Oct 8, 2014 at 2:04 PM, Andres Freund <andres@2ndquadrant.com> wrote:
> So, what makes it work for me (among other unrelated stuff) seems to be
> the following in .gdbinit, defineing away some things that gdb doesn't
> handle:
> macro define __builtin_offsetof(T, F) ((int) &(((T *) 0)->F))
> macro define __extension__
> macro define AssertVariableIsOfTypeMacro(x, y) ((void)0)
>
> Additionally I have "-ggdb -g3" in CFLAGS. That way gdb knows about
> postgres' macros. At least if you're in the right scope.
>
> As an example, the following works:
> (gdb) p dlist_is_empty(&BackendList) ? NULL : dlist_head_element(Backend, elem, &BackendList)

Ah, cool.  I'll try that.

-- 
Robert Haas
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