* target.h (struct target_ops) <to_has_execution>: Add ptid_t

	parameter.
	(target_has_execution_1): Update.
	(target_has_execution_current): Declare.
	(target_has_execution): Call target_has_execution_current.
	(default_child_has_execution): Update.
	* target.c (default_child_has_execution): Add 'the_ptid'
	parameter.
	(target_has_execution_1): Likewise.
	(target_has_execution_current): New function.
	(add_target): Update.
	(init_dummy_target): Update.
	* remote-m32r-sdi.c (m32r_has_execution): New function.
	(init_m32r_ops): Use it.
	* record.c (record_core_has_execution): Now static.  Add
	'the_ptid' parameter.
	* inferior.c (have_live_inferiors): Don't save current thread.
	Use target_has_execution_1.

1 files changed, 2 insertions, 12 deletions

diff --git a/gdb/inferior.c b/gdb/inferior.c
index 76f81c36b0..eb33b9a376 100644
--- a/gdb/inferior.c
+++ b/gdb/inferior.c
@@ -462,28 +462,18 @@ have_inferiors (void)
 int
 have_live_inferiors (void)
 {
-  struct cleanup *old_chain;
   struct inferior *inf;
 
-  old_chain = make_cleanup_restore_current_thread ();
-
   for (inf = inferior_list; inf; inf = inf->next)
     if (inf->pid != 0)
       {
 	struct thread_info *tp;
 	
 	tp = any_thread_of_process (inf->pid);
-	if (tp)
-	  {
-	    switch_to_thread (tp->ptid);
-
-	    if (target_has_execution)
-	      break;
-	  }
+	if (tp && target_has_execution_1 (tp->ptid))
+	  break;
       }
 
-  do_cleanups (old_chain);
-
   return inf != NULL;
 }