Eliminate some sleep usage.

* gdb.mi/basics.c (do_nothing): New.
        (main): Use do_nothing instead of printf, so that
        not to introduce race condition between output of
        inferiour and output of gdb. Do not use sleep as it
        is not generally available on embedded targets.

gdb/testsuite/ChangeLog

@@ -1,3 +1,13 @@
+2009-04-03  Vladimir Prus  <vladimir@codesourcery.com>
+
+	Eliminate some sleep usage.
+
+        * gdb.mi/basics.c (do_nothing): New.
+        (main): Use do_nothing instead of printf, so that
+        not to introduce race condition between output of
+        inferiour and output of gdb. Do not use sleep as it
+        is not generally available on embedded targets.
+
 2009-04-02  Pedro Alves  <pedro@codesourcery.com>
 
 	* gdb.server/ext-attach.exp: Expect an optional process id after

gdb/testsuite/gdb.mi/basics.c

@@ -57,13 +57,16 @@ int return_1 ()
   return 1;
 }
 
+void do_nothing (void)
+{
+}
+
 main ()
 {
   callee1 (2, "A string argument.", 3.5);
   callee1 (2, "A string argument.", 3.5);
 
-  sleep (1);
-  printf ("Hello, World!");
+  do_nothing (); /* Hello, World! */
 
   callme (1);
   callme (2);