[PATCH 1/2] [Ada] Add ada-tasks.c:iterate_over_live_ada_tasks

Joel Brobecker
2010-09-23T18:43:20Z

This new function is needed by the ravenscar-thread layer.

gdb/ChangeLog:

* ada-tasks.c (iterate_over_live_ada_tasks): New function.
* ada-lang.h (iterate_over_live_ada_tasks): Declare.
---
gdb/ada-lang.h | 4 ++++
gdb/ada-tasks.c | 21 +++++++++++++++++++++
2 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/gdb/ada-lang.h b/gdb/ada-lang.h
index d1e8ca5..935c2e1 100644
--- a/gdb/ada-lang.h
+++ b/gdb/ada-lang.h
@@ -378,6 +378,10 @@ extern int valid_task_id (int);

extern int ada_get_task_number (ptid_t);

+typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task);
+extern void iterate_over_live_ada_tasks
+ (ada_task_list_iterator_ftype *iterator);
+
extern int ada_build_task_list (int warn_if_null);

extern int ada_exception_catchpoint_p (struct breakpoint *b);
diff --git a/gdb/ada-tasks.c b/gdb/ada-tasks.c
index 8e42252..3cbcc4f 100644
--- a/gdb/ada-tasks.c
+++ b/gdb/ada-tasks.c
@@ -212,6 +212,27 @@ ada_task_is_alive (struct ada_task_info *task_info)
return (task_info->state != Terminated);
}

+/* Call the ITERATOR function once for each Ada task that hasn't been
+ terminated yet. */
+
+void
+iterate_over_live_ada_tasks (ada_task_list_iterator_ftype *iterator)
+{
+ int i, nb_tasks;
+ struct ada_task_info *task;
+
+ ada_build_task_list (0);
+ nb_tasks = VEC_length (ada_task_info_s, task_list);
+
+ for (i = 0; i < nb_tasks; i++)
+ {
+ task = VEC_index (ada_task_info_s, task_list, i);
+ if (!ada_task_is_alive (task))
+ continue;
+ iterator (task);
+ }
+}
+
/* Extract the contents of the value as a string whose length is LENGTH,
and store the result in DEST. */

--
1.7.1