xref: /freebsd/sys/compat/linux/linux_time.h (revision 577b62c2bacc7dfa228591ca3da361e1bc398301)
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