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Re: [commit] Follow forks on HP-UX 10.20
- From: Daniel Jacobowitz <drow at false dot org>
- To: Mark Kettenis <mark dot kettenis at xs4all dot nl>
- Cc: gdb-patches at sourceware dot org
- Date: Mon, 25 Jul 2005 18:19:44 -0400
- Subject: Re: [commit] Follow forks on HP-UX 10.20
- References: <200507252212.j6PMCS3j015796@elgar.sibelius.xs4all.nl>
On Tue, Jul 26, 2005 at 12:12:28AM +0200, Mark Kettenis wrote:
> Finally, the goal of this excercise. The code is also going to be
> used on OpenBSD when I get the necessary kernel stuff committed. It
> doesn't do follow-vfork yet. HP-UX 10.20 doesn't really allow you to
> do anything with a vforked child until it execs. So follow-vfork
> isn't useful until follow-exec is properly implemented.
>
> Committed,
I'm not really sure this is in the right place. Good, you're going to
implement the HP/UX ptrace interface on OpenBSD also. But even then
it'll be HP/UX and OpenBSD specific. Why can't they inherit from
inf-ptrace.c instead of adding ifdefs to this file? Isn't that the
point of target inheritance - to avoid having code in the "base
classes" which is only useful on a few targets?
> P.S. Daniel, I'm going to remove the messages from inf-ttrace.c such
> that things behaves the same way on HP-UX 11.xx as they do on HP-UX
> 10.20.
Sounds good.
> @@ -471,6 +588,9 @@ inf_ptrace_target (void)
> t->to_files_info = inf_ptrace_files_info;
> t->to_kill = inf_ptrace_kill;
> t->to_create_inferior = inf_ptrace_create_inferior;
> +#ifdef PT_GET_PROCESS_STATE
> + t->to_follow_fork = inf_ptrace_follow_fork;
> +#endif
> t->to_mourn_inferior = inf_ptrace_mourn_inferior;
> t->to_thread_alive = inf_ptrace_thread_alive;
> t->to_pid_to_str = normal_pid_to_str;
This in particular makes me think it's in the wrong place.
--
Daniel Jacobowitz
CodeSourcery, LLC