[RFA] use gdb_usleep instead of sleep in remote-mips.c (was Missing sleep function for mingw hosts)

["Pierre Muller" <pierre.muller@ics-cnrs.unistra.fr>]

> I have no clue why that `sleep' is necessary, but in any case, can't
> we use already existing `gdb_usleep' function instead and be done
> with it?

  Simply because I didn't know that gdb_usleep even existed...
This makes things much easier indeed.

Is the patch below OK?

Pierre


2011-03-29  Pierre Muller  <muller@ics.u-strasbg.fr>

	Fix mingw compilation with --enable-targets=all.
	* remote-mips.c (gdb_usleep.h): Include header.
	(mips_enter_debug): Use gdb_usleep instead of sleep.

Index: remote-mips.c
===================================================================
RCS file: /cvs/src/src/gdb/remote-mips.c,v
retrieving revision 1.120
diff -u -p -r1.120 remote-mips.c
--- remote-mips.c	16 Mar 2011 17:59:02 -0000	1.120
+++ remote-mips.c	29 Mar 2011 14:52:12 -0000
@@ -33,6 +33,7 @@
 #include "exceptions.h"
 #include "gdb_string.h"
 #include "gdb_stat.h"
+#include "gdb_usleep.h"
 #include "regcache.h"
 #include <ctype.h>
 #include "mips-tdep.h"
@@ -1350,7 +1351,7 @@ mips_enter_debug (void)
   else				/* Assume IDT monitor by default.  */
     mips_send_command ("db tty0\r", 0);
 
-  sleep (1);
+  gdb_usleep (1000000);
   serial_write (mips_desc, "\r", sizeof "\r" - 1);
 
   /* We don't need to absorb any spurious characters here, since the