linux_timer.h revision 293565 
1/*-
2 * Copyright (c) 2014 Bjoern A. Zeeb
3 * All rights reserved.
4 *
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
7 * ("MRC2"), as part of the DARPA MRC research programme.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD: stable/10/sys/compat/linux/linux_timer.h 293565 2016-01-09 17:11:25Z dchagin $
31 */
32
33#ifndef	_LINUX_TIMER_H
34#define	_LINUX_TIMER_H
35
36#ifndef	__LINUX_ARCH_SIGEV_PREAMBLE_SIZE
37#define	__LINUX_ARCH_SIGEV_PREAMBLE_SIZE	\
38	(sizeof(l_int) * 2 + sizeof(l_sigval_t))
39#endif
40
41#define	LINUX_SIGEV_MAX_SIZE			64
42#define	LINUX_SIGEV_PAD_SIZE			\
43	((LINUX_SIGEV_MAX_SIZE - __LINUX_ARCH_SIGEV_PREAMBLE_SIZE) / \
44	sizeof(l_int))
45
46#define	LINUX_CLOCK_REALTIME			0
47#define	LINUX_CLOCK_MONOTONIC			1
48#define	LINUX_CLOCK_PROCESS_CPUTIME_ID		2
49#define	LINUX_CLOCK_THREAD_CPUTIME_ID		3
50#define	LINUX_CLOCK_MONOTONIC_RAW		4
51#define	LINUX_CLOCK_REALTIME_COARSE		5
52#define	LINUX_CLOCK_MONOTONIC_COARSE		6
53#define	LINUX_CLOCK_BOOTTIME			7
54#define	LINUX_CLOCK_REALTIME_ALARM		8
55#define	LINUX_CLOCK_BOOTTIME_ALARM		9
56#define	LINUX_CLOCK_SGI_CYCLE			10
57#define	LINUX_CLOCK_TAI				11
58
59#define	LINUX_CPUCLOCK_PERTHREAD_MASK		4
60#define	LINUX_CPUCLOCK_MASK			3
61#define	LINUX_CPUCLOCK_WHICH(clock)		\
62	((clock) & (clockid_t) LINUX_CPUCLOCK_MASK)
63#define	LINUX_CPUCLOCK_PROF			0
64#define	LINUX_CPUCLOCK_VIRT			1
65#define	LINUX_CPUCLOCK_SCHED			2
66#define	LINUX_CPUCLOCK_MAX			3
67#define	LINUX_CLOCKFD				LINUX_CPUCLOCK_MAX
68#define	LINUX_CLOCKFD_MASK			\
69	(LINUX_CPUCLOCK_PERTHREAD_MASK|LINUX_CPUCLOCK_MASK)
70
71#define	LINUX_CPUCLOCK_ID(clock)		((pid_t) ~((clock) >> 3))
72#define	LINUX_CPUCLOCK_PERTHREAD(clock)		\
73	(((clock) & (clockid_t) LINUX_CPUCLOCK_PERTHREAD_MASK) != 0)
74
75
76#define	L_SIGEV_SIGNAL				0
77#define	L_SIGEV_NONE				1
78#define	L_SIGEV_THREAD				2
79#define	L_SIGEV_THREAD_ID			4
80
81#define	TS_CP(src,dst,fld) do {			\
82	CP((src).fld,(dst).fld,tv_sec);		\
83	CP((src).fld,(dst).fld,tv_nsec);	\
84} while (0)
85
86#define	ITS_CP(src, dst) do {			\
87	TS_CP((src), (dst), it_interval);	\
88	TS_CP((src), (dst), it_value);		\
89} while (0)
90
91struct l_sigevent {
92	l_sigval_t sigev_value;
93	l_int sigev_signo;
94	l_int sigev_notify;
95	union {
96		l_int _pad[LINUX_SIGEV_PAD_SIZE];
97		l_int _tid;
98		struct {
99			l_uintptr_t _function;
100			l_uintptr_t _attribute;
101		} _l_sigev_thread;
102	} _l_sigev_un;
103}
104#if defined(__amd64__) && defined(COMPAT_LINUX32)
105__packed
106#endif
107;
108
109struct l_itimerspec {
110	struct l_timespec it_interval;
111	struct l_timespec it_value;
112};
113
114void native_to_linux_timespec(struct l_timespec *,
115				     struct timespec *);
116int linux_to_native_timespec(struct timespec *,
117				     struct l_timespec *);
118
119#endif	/* _LINUX_TIMER_H */
120