iPXE
null_time.c
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1/*
2 * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17 * 02110-1301, USA.
18 *
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
22 */
23
24FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25
26/** @file
27 *
28 * Nonexistent time source
29 *
30 */
31
32#include <ipxe/time.h>
33#include <ipxe/timer.h>
34
35/**
36 * Get current time in seconds
37 *
38 * @ret time Time, in seconds
39 */
40static time_t null_now ( void ) {
41
42 /* Provide a non-absolute timer bassed on currticks() */
43 return ( currticks() / TICKS_PER_SEC );
44}
45
#define FILE_LICENCE(_licence)
Declare a particular licence as applying to a file.
Definition compiler.h:896
Time source.
#define PROVIDE_TIME(_subsys, _api_func, _func)
Provide a time API implementation.
Definition time.h:34
time_t time_now(void)
Get current time in seconds (ignoring system clock offset)
iPXE timers
#define TICKS_PER_SEC
Number of ticks per second.
Definition timer.h:16
int64_t time_t
Seconds since the Epoch.
Definition time.h:19
static time_t null_now(void)
Get current time in seconds.
Definition null_time.c:40
unsigned long currticks(void)
Get current system time in ticks.
Definition timer.c:43