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RE: [MI][patch] broken -target-detach
> -----Original Message-----
> From: Pedro Alves [mailto:firstname.lastname@example.org]
> Sent: Friday, November 12, 2010 11:44 AM
> To: Marc Khouzam
> Cc: 'email@example.com'; 'Tom Tromey'
> Subject: Re: [MI][patch] broken -target-detach
> On Friday 12 November 2010 16:01:20, Marc Khouzam wrote:
> > > Unfortunately, 7.2 was released accepting the PID form only,
> > > so we may be better off continue accepting it...
> > If we put this fix in the 7.2 branch, could we get rid of the
> > PID form or is it too late?
> IMO, it's too late for 7.2. Having 7.2 and 7.2.1 handle this
> command's argument incompatibly would cause pain for frontends
> already passing it an argument, and we can avoid causing that pain.
> So IMO, since it's quite easy to do so, we should continue
> handling it.
> We can consider mentioning in the manual that the PID form
> is deprecated, and that it may be removed in a later release.
> Then we can consider removing it in the future if it ever causes
> trouble. (I'm not suggesting you do that.)
> > I knew someone was going to call me on that :-). Here is the new
> > patch which still accepts PID.
> Sorry about that. :-)
> > I have to apologize, I just don't
> > have the time to get a test case for it. I hope the patch is useful
> > enough as it is.
> It sure is, thanks for persevering.
> > Good for the 7.2 branch too?
> IMO, yes.
> You've just given me a new chance to nit on formatting, though! :-)
> > + /* First see if we are dealing with a thread-group id */
> Period and double space at end of sentence, like:
> /* First see if we are dealing with a thread-group id. */
> > + if (*(argv) == 'i')
> if (*argv == 'i')
> Okay with those changes.
I committed the following to HEAD and 7_2:
2010-11-12 Marc Khouzam <firstname.lastname@example.org>
* mi/mi-main.c (mi_cmd_target_detach): Accept new
thread-group id format.
### Eclipse Workspace Patch 1.0
RCS file: /cvs/src/src/gdb/mi/mi-main.c,v
retrieving revision 188.8.131.52
diff -u -r184.108.40.206 mi-main.c
--- gdb/mi/mi-main.c 1 Sep 2010 19:16:00 -0000 220.127.116.11
+++ gdb/mi/mi-main.c 12 Nov 2010 19:00:48 -0000
@@ -418,19 +418,40 @@
mi_cmd_target_detach (char *command, char **argv, int argc)
if (argc != 0 && argc != 1)
- error ("Usage: -target-detach [thread-group]");
+ error ("Usage: -target-detach [pid | thread-group]");
if (argc == 1)
struct thread_info *tp;
char *end = argv;
- int pid = strtol (argv, &end, 10);
+ int pid;
- if (*end != '\0')
- error (_("Cannot parse thread group id '%s'"), argv);
+ /* First see if we are dealing with a thread-group id. */
+ if (*argv == 'i')
+ struct inferior *inf;
+ int id = strtoul (argv + 1, &end, 0);
+ if (*end != '\0')
+ error (_("Invalid syntax of thread-group id '%s'"), argv);
+ inf = find_inferior_id (id);
+ if (!inf)
+ error (_("Non-existent thread-group id '%d'"), id);
+ pid = inf->pid;
+ /* We must be dealing with a pid. */
+ pid = strtol (argv, &end, 10);
+ if (*end != '\0')
+ error (_("Invalid identifier '%s'"), argv);
/* Pick any thread in the desired process. Current
- target_detach deteches from the parent of inferior_ptid. */
+ target_detach detaches from the parent of inferior_ptid. */
tp = iterate_over_threads (find_thread_of_process, &pid);
error (_("Thread group is empty"));