| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Peter Geoghegan <pg(at)heroku(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Wait free LW_SHARED acquisition - v0.2 |
| Date: | 2014-10-09 00:07:35 |
| Message-ID: | CA+TgmoYT-WS9t_E2+n=omY3dCQXO2KzkTQkoJhJq7+zzJtaiPA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Oct 8, 2014 at 2:04 PM, Andres Freund <andres(at)2ndquadrant(dot)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
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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