Xenomai 3.3.2
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time.h
1/*
2 * Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
17 */
18#ifndef _COBALT_UAPI_TIME_H
19#define _COBALT_UAPI_TIME_H
20
21#ifndef CLOCK_MONOTONIC_RAW
22#define CLOCK_MONOTONIC_RAW 4
23#endif
24
25/*
26 * Additional clock ids we manage are supposed not to collide with any
27 * of the POSIX and Linux kernel definitions so that no ambiguities
28 * arise when porting applications in both directions.
29 *
30 * 0 .. 31 regular POSIX/linux clock ids.
31 * 32 .. 63 statically reserved Cobalt clocks
32 * 64 .. 127 dynamically registered Cobalt clocks (external)
33 *
34 * CAUTION: clock ids must fit within a 7bit value, see
35 * include/cobalt/uapi/thread.h (e.g. cobalt_condattr).
36 */
37#define __COBALT_CLOCK_STATIC(nr) ((clockid_t)(nr + 32))
38
39#define CLOCK_HOST_REALTIME __COBALT_CLOCK_STATIC(0)
40
41#define COBALT_MAX_EXTCLOCKS 64
42
43#define __COBALT_CLOCK_EXT(nr) ((clockid_t)(nr) | (1 << 6))
44#define __COBALT_CLOCK_EXT_P(id) ((int)(id) >= 64 && (int)(id) < 128)
45#define __COBALT_CLOCK_EXT_INDEX(id) ((int)(id) & ~(1 << 6))
46
47/*
48 * Additional timerfd defines
49 *
50 * when passing TFD_WAKEUP to timer_settime, any timer expiration
51 * unblocks the thread having issued timer_settime.
52 */
53#define TFD_WAKEUP (1 << 2)
54
55#endif /* !_COBALT_UAPI_TIME_H */