grub/grub-core/commands/sleep.c
Carles Pina i Estany 1a9130dd3f Add keyboard layouts support.
* Makefile.util.def (grub-mklayout): New file.
	(grub-kbdcomp): New script.
	* grub-core/Makefile.am (KERNEL_HEADER_FILES) [COND_mips_yeeloong]:
	Add keyboard_layouts.h.
	* grub-core/Makefile.core.def (kernel): Add commands/keylayouts.c and
	commands/boot.c on yeeloong.
	(keylayouts): New module.
	* grub-core/bus/usb/ohci.c
	* grub-core/bus/usb/uhci.c
	* grub-core/bus/usb/usbhub.c (rescan): New variable.
	(grub_usb_add_hub): Poll interrupt pipe for device handling.
	(attach_root_port): Likewise.
	(poll_nonroot_hub): Likewise.
	(grub_usb_poll_devices): Likewise.
	(detach_device): Close transfer.
	* grub-core/bus/usb/usbtrans.c (grub_usb_execute_and_wait_transfer): New
	function.
	(grub_usb_bulk_setup_readwrite): Likewise.
	(grub_usb_bulk_finish_readwrite): Likewise.
	* grub-core/commands/keylayouts.c: New file.
	* grub-core/commands/keystatus.c (grub_getkeystatus): New function.
	* grub-core/commands/menuentry.c (hotkey_aliases): All several new
	aliases.
	* grub-core/term/at_keyboard.c: Restructured to use keylayouts and
	support scancode 2.
	* grub-core/term/usb_keyboard.c: Restructured to use keylayouts.
	* include/grub/keyboard_layouts.h: New file.
	* util/grub-mklayout.c: New file.
	* util/grub-kbdcomp.in: Likewise.

	Also-By: Aleš Nesrsta <starous@volny.cz>

	Also-By: Vladimir Serbinenko <phcoder@gmail.com>
2010-09-19 01:01:35 +02:00

112 lines
2.6 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* sleep.c - Command to wait a specified number of seconds. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/dl.h>
#include <grub/term.h>
#include <grub/time.h>
#include <grub/types.h>
#include <grub/misc.h>
#include <grub/extcmd.h>
#include <grub/i18n.h>
static const struct grub_arg_option options[] =
{
{"verbose", 'v', 0, N_("Verbose countdown."), 0, 0},
{"interruptible", 'i', 0, N_("Interruptible with ESC."), 0, 0},
{0, 0, 0, 0, 0, 0}
};
static grub_uint16_t *pos;
static void
do_print (int n)
{
grub_term_restore_pos (pos);
/* NOTE: Do not remove the trailing space characters.
They are required to clear the line. */
grub_printf ("%d ", n);
}
/* Based on grub_millisleep() from kern/generic/millisleep.c. */
static int
grub_interruptible_millisleep (grub_uint32_t ms)
{
grub_uint64_t start;
start = grub_get_time_ms ();
while (grub_get_time_ms () - start < ms)
if (grub_checkkey () >= 0 && grub_getkey () == GRUB_TERM_ESC)
return 1;
return 0;
}
static grub_err_t
grub_cmd_sleep (grub_extcmd_context_t ctxt, int argc, char **args)
{
struct grub_arg_list *state = ctxt->state;
int n;
if (argc != 1)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "missing operand");
n = grub_strtoul (args[0], 0, 10);
if (n == 0)
{
/* Either `0' or broken input. */
return 0;
}
pos = grub_term_save_pos ();
for (; n; n--)
{
if (state[0].set)
do_print (n);
if (state[1].set)
{
if (grub_interruptible_millisleep (1000))
return 1;
}
else
grub_millisleep (1000);
}
if (state[0].set)
do_print (0);
return 0;
}
static grub_extcmd_t cmd;
GRUB_MOD_INIT(sleep)
{
cmd = grub_register_extcmd ("sleep", grub_cmd_sleep, 0,
N_("NUMBER_OF_SECONDS"),
N_("Wait for a specified number of seconds."),
options);
}
GRUB_MOD_FINI(sleep)
{
grub_unregister_extcmd (cmd);
}