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[RFA] Include thread ID in target_wait debugging output.


Hi.

Printing the result of target_wait when "set debug infrun 1" is great,
but I've found I've needed the thread ID.

The output line was getting a bit long, so I split it up.
There are other ways to split it up, but this works for me.

Ok to check in?

2009-02-26  Doug Evans  <dje@google.com>

	Include thread ID in target_wait debugging output.
	* infrun.c (print_target_wait_results): New function.
	(wait_for_inferior,fetch_inferior_event): Call it.

Index: infrun.c
===================================================================
RCS file: /cvs/src/src/gdb/infrun.c,v
retrieving revision 1.360
diff -u -p -r1.360 infrun.c
--- infrun.c	25 Feb 2009 02:14:22 -0000	1.360
+++ infrun.c	26 Feb 2009 18:34:57 -0000
@@ -1737,6 +1737,30 @@ delete_step_thread_step_resume_breakpoin
   delete_step_thread_step_resume_breakpoint ();
 }
 
+/* Pretty print the results of target_wait, for debugging purposes.  */
+
+static void
+print_target_wait_results (ptid_t waiton_ptid, ptid_t result_ptid,
+			   const struct target_waitstatus *ws)
+{
+  char *status_string = target_waitstatus_to_string (ws);
+
+  fprintf_unfiltered (gdb_stdlog,
+		      "infrun: target_wait (%d", PIDGET (waiton_ptid));
+  if (PIDGET (waiton_ptid) != -1)
+    fprintf_unfiltered (gdb_stdlog,
+			" [%s]", target_pid_to_str (waiton_ptid));
+  fprintf_unfiltered (gdb_stdlog, ", status) =\n");
+  fprintf_unfiltered (gdb_stdlog,
+		      "infrun:   %d [%s],\n",
+		      PIDGET (result_ptid), target_pid_to_str (result_ptid));
+  fprintf_unfiltered (gdb_stdlog,
+		      "infrun:   %s\n",
+		      status_string);
+
+  xfree (status_string);
+}
+
 /* Wait for control to return from inferior to debugger.
 
    If TREAT_EXEC_AS_SIGTRAP is non-zero, then handle EXEC signals
@@ -1790,14 +1814,7 @@ wait_for_inferior (int treat_exec_as_sig
 	ecs->ptid = target_wait (waiton_ptid, &ecs->ws);
 
       if (debug_infrun)
-	{
-	  char *status_string = target_waitstatus_to_string (&ecs->ws);
-	  fprintf_unfiltered (gdb_stdlog,
-			      "infrun: target_wait (%d, status) = %d, %s\n",
-			      PIDGET (waiton_ptid), PIDGET (ecs->ptid),
-			      status_string);
-	  xfree (status_string);
-	}
+	print_target_wait_results (waiton_ptid, ecs->ptid, &ecs->ws);
 
       if (treat_exec_as_sigtrap && ecs->ws.kind == TARGET_WAITKIND_EXECD)
         {
@@ -1875,14 +1892,7 @@ fetch_inferior_event (void *client_data)
     ecs->ptid = target_wait (waiton_ptid, &ecs->ws);
 
   if (debug_infrun)
-    {
-      char *status_string = target_waitstatus_to_string (&ecs->ws);
-      fprintf_unfiltered (gdb_stdlog,
-			  "infrun: target_wait (%d, status) = %d, %s\n",
-			  PIDGET (waiton_ptid), PIDGET (ecs->ptid),
-			  status_string);
-      xfree (status_string);
-    }
+    print_target_wait_results (waiton_ptid, ecs->ptid, &ecs->ws);
 
   if (non_stop
       && ecs->ws.kind != TARGET_WAITKIND_IGNORE


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