[PATCH] fix PR-12417

[Agovic, Sanimir]

Some comments below. 

 -Sanimir

> -----Original Message-----
> From: gdb-patches-owner@sourceware.org [mailto:gdb-patches-owner@sourceware.org] On Behalf
> Of Mohsan Saleem
> Sent: Wednesday, September 04, 2013 10:20 AM
> To: gdb-patches@sourceware.org
> Subject: Re: [PATCH] fix PR-12417
> 
> 
> Index: ./gdb/thread.c
> ===================================================================
> RCS file: /cvs/src/src/gdb/thread.c,v
> retrieving revision 1.155
> diff -u -p -r1.155 thread.c
> --- ./gdb/thread.c    15 Jul 2013 11:14:32 -0000    1.155
> +++ ./gdb/thread.c    3 Sep 2013 02:36:11 -0000
> @@ -64,6 +64,7 @@ static void info_threads_command (char *
>   static void thread_apply_command (char *, int);
>   static void restore_current_thread (ptid_t);
>   static void prune_threads (void);
> +static const char *thread_name (struct thread_info *);
> 
>   /* Data to cleanup thread array.  */
> 
> @@ -78,6 +79,14 @@ struct thread_array_cleanup
>   };
> 
> 
> +const char *
> +thread_name (struct thread_info *ti)
>
Constify TI if possible.

> +{
> +  const char *name;
>
Newline between variable decl and first statement.

> +  name = ti->name != NULL ? ti->name : target_thread_name (ti);
>
A matter of taste, but I prefer explicit if/else
name = ti->name;
if (name == NULL) name = target_thread_name (ti);
if (name == NULL) name = "";


> @@ -251,7 +260,7 @@ add_thread_with_info (ptid_t ptid, struc
>     result->private = private;
> 
>     if (print_thread_events)
> -    printf_unfiltered (_("[New %s]\n"), target_pid_to_str (ptid));
> +    printf_unfiltered (_("[New %s \"%s\"\n"), target_pid_to_str (ptid), thread_name
>
This will print [New 1234 ""] in case a thread name is not available, not sure if we
should omit thread name instead.

> @@ -1456,7 +1466,9 @@ do_captured_thread_select (struct ui_out
> 
>     ui_out_text (uiout, "[Switching to thread ");
>     ui_out_field_int (uiout, "new-thread-id", pid_to_thread_id (inferior_ptid));
> -  ui_out_text (uiout, " (");
> +  ui_out_text (uiout, " \"");
> +  ui_out_text (uiout, thread_name (tp));
> +  ui_out_text (uiout, "\" (");
>     ui_out_text (uiout, target_pid_to_str (inferior_ptid));
>     ui_out_text (uiout, ")]");
> 
Is the thread name exposed via the MI protocol in some way?

 -Sanimir
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