xref: /freebsd/sys/compat/linux/linux_time.h (revision ee97f198b42d50437f87aa4111d478eca2a5be16)
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   * $FreeBSD$
31   */
32  
33  #ifndef	_LINUX_TIME_H
34  #define	_LINUX_TIME_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  #define	LINUX_TIMER_ABSTIME			0x01
76  
77  #define	L_SIGEV_SIGNAL				0
78  #define	L_SIGEV_NONE				1
79  #define	L_SIGEV_THREAD				2
80  #define	L_SIGEV_THREAD_ID			4
81  
82  struct l_sigevent {
83  	l_sigval_t sigev_value;
84  	l_int sigev_signo;
85  	l_int sigev_notify;
86  	union {
87  		l_int _pad[LINUX_SIGEV_PAD_SIZE];
88  		l_int _tid;
89  		struct {
90  			l_uintptr_t _function;
91  			l_uintptr_t _attribute;
92  		} _l_sigev_thread;
93  	} _l_sigev_un;
94  }
95  #if defined(__amd64__) && defined(COMPAT_LINUX32)
96  __packed
97  #endif
98  ;
99  
100  struct l_itimerspec {
101  	struct l_timespec it_interval;
102  	struct l_timespec it_value;
103  };
104  
105  #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
106  struct l_itimerspec64 {
107  	struct l_timespec64 it_interval;
108  	struct l_timespec64 it_value;
109  };
110  #endif
111  
112  int native_to_linux_timespec(struct l_timespec *,
113  				     struct timespec *);
114  int linux_to_native_timespec(struct timespec *,
115  				     struct l_timespec *);
116  int linux_put_timespec(struct timespec *,
117  				     struct l_timespec *);
118  int linux_get_timespec(struct timespec *,
119  				     const struct l_timespec *);
120  #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
121  int native_to_linux_timespec64(struct l_timespec64 *,
122  				     struct timespec *);
123  int linux_to_native_timespec64(struct timespec *,
124  				     struct l_timespec64 *);
125  int linux_put_timespec64(struct timespec *,
126  				     struct l_timespec64 *);
127  int linux_get_timespec64(struct timespec *,
128  				    const  struct l_timespec64 *);
129  #endif
130  int linux_to_native_clockid(clockid_t *, clockid_t);
131  int native_to_linux_itimerspec(struct l_itimerspec *,
132  				     struct itimerspec *);
133  int linux_to_native_itimerspec(struct itimerspec *,
134  				     struct l_itimerspec *);
135  #if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
136  int native_to_linux_itimerspec64(struct l_itimerspec64 *,
137  				     struct itimerspec *);
138  int linux_to_native_itimerspec64(struct itimerspec *,
139  				     struct l_itimerspec64 *);
140  #endif
141  
142  int linux_to_native_timerflags(int *, int);
143  
144  #endif	/* _LINUX_TIME_H */
145