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Re: Move the multi-forks support to the generic multi-inferiors support.
- From: Tom Tromey <tromey at redhat dot com>
- To: Pedro Alves <pedro at codesourcery dot com>
- Cc: gdb-patches at sourceware dot org
- Date: Fri, 05 Jun 2009 18:07:29 -0600
- Subject: Re: Move the multi-forks support to the generic multi-inferiors support.
- References: <200905310013.38916.pedro@codesourcery.com> <m3hbz1vw5u.fsf@fleche.redhat.com> <200905312308.04692.pedro@codesourcery.com> <m3prdouevj.fsf@fleche.redhat.com>
- Reply-to: Tom Tromey <tromey at redhat dot com>
>>>>> "Tom" == Tom Tromey <tromey@redhat.com> writes:
Pedro> If you look at head's "info inferiors" output, it's not about cleaning
Pedro> up, it's about cooking something. :-)
Tom> Actually I hadn't looked at the code, I just tried it and saw that
Tom> there were still no column headings. I'll try to update that old
Tom> patch soon.
How about this? It adds the column headings and prints something when
there are no inferiors.
Built & regtested on x86-64 (compile farm).
Tom
2009-06-05 Tom Tromey <tromey@redhat.com>
* inferior.c (print_inferior): Make a table, not a list. Emit
table headers.
diff --git a/gdb/inferior.c b/gdb/inferior.c
index e060a1b..e74c7a4 100644
--- a/gdb/inferior.c
+++ b/gdb/inferior.c
@@ -294,8 +294,31 @@ print_inferior (struct ui_out *uiout, int requested_inferior)
{
struct inferior *inf;
struct cleanup *old_chain;
+ int inf_count = 0;
- old_chain = make_cleanup_ui_out_list_begin_end (uiout, "inferiors");
+ /* Compute number of inferiors we will print. */
+ for (inf = inferior_list; inf; inf = inf->next)
+ {
+ struct cleanup *chain2;
+
+ if (requested_inferior != -1 && inf->num != requested_inferior)
+ continue;
+
+ ++inf_count;
+ }
+
+ if (inf_count == 0)
+ {
+ ui_out_message (uiout, 0, "No inferiors.\n");
+ return;
+ }
+
+ old_chain = make_cleanup_ui_out_table_begin_end (uiout, 3, inf_count,
+ "inferiors");
+ ui_out_table_header (uiout, 3, ui_right, "current", "Cur");
+ ui_out_table_header (uiout, 4, ui_right, "id", "Id");
+ ui_out_table_header (uiout, 7, ui_right, "target-id", "PID");
+ ui_out_table_body (uiout);
for (inf = inferior_list; inf; inf = inf->next)
{
@@ -307,12 +330,11 @@ print_inferior (struct ui_out *uiout, int requested_inferior)
chain2 = make_cleanup_ui_out_tuple_begin_end (uiout, NULL);
if (inf->pid == ptid_get_pid (inferior_ptid))
- ui_out_text (uiout, "* ");
+ ui_out_field_string (uiout, "current", "*");
else
- ui_out_text (uiout, " ");
+ ui_out_field_skip (uiout, "current");
ui_out_field_int (uiout, "id", inf->num);
- ui_out_text (uiout, " ");
ui_out_field_int (uiout, "target-id", inf->pid);
ui_out_text (uiout, "\n");