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gdb: define convenience function 'exists_non_stop_target'

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Define a predicate function that returns true if there exists an
inferior with a non-stop target.

gdb/ChangeLog:
2020-04-01  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	* target.h (exists_non_stop_target): New function declaration.
	* target.c (exists_non_stop_target): New function.
This commit is contained in:
Tankut Baris Aktemur
2020-04-01 21:33:05 +02:00
parent 3ce23ca1de
commit a0714d305f
3 changed files with 28 additions and 0 deletions
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20
gdb/target.c
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@@ -3931,6 +3931,26 @@ target_is_non_stop_p (void)
&& target_always_non_stop_p ()));
}
/* See target.h. */
bool
exists_non_stop_target ()
{
if (target_is_non_stop_p ())
return true;
scoped_restore_current_thread restore_thread;
for (inferior *inf : all_inferiors ())
{
switch_to_inferior_no_thread (inf);
if (target_is_non_stop_p ())
return true;
}
return false;
}
/* Controls if targets can report that they always run in non-stop
mode. This is just for maintainers to use when debugging gdb. */
enum auto_boolean target_non_stop_enabled = AUTO_BOOLEAN_AUTO;