xref: /freebsd/sys/compat/linux/linux_event.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /*-
2  * Copyright (c) 2007 Roman Divacky
3  * Copyright (c) 2014 Dmitry Chagin
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef _LINUX_EVENT_H_
31 #define	_LINUX_EVENT_H_
32 
33 #define	LINUX_EPOLLIN		0x001
34 #define	LINUX_EPOLLPRI		0x002
35 #define	LINUX_EPOLLOUT		0x004
36 #define	LINUX_EPOLLRDNORM	0x040
37 #define	LINUX_EPOLLRDBAND	0x080
38 #define	LINUX_EPOLLWRNORM	0x100
39 #define	LINUX_EPOLLWRBAND	0x200
40 #define	LINUX_EPOLLMSG		0x400
41 #define	LINUX_EPOLLERR		0x008
42 #define	LINUX_EPOLLHUP		0x010
43 #define	LINUX_EPOLLRDHUP	0x2000
44 #define	LINUX_EPOLLWAKEUP	1u<<29
45 #define	LINUX_EPOLLONESHOT	1u<<30
46 #define	LINUX_EPOLLET		1u<<31
47 
48 #define	LINUX_EPOLL_EVRD	(LINUX_EPOLLIN|LINUX_EPOLLRDNORM)
49 #define	LINUX_EPOLL_EVWR	(LINUX_EPOLLOUT|LINUX_EPOLLWRNORM)
50 #define	LINUX_EPOLL_EVSUP	(LINUX_EPOLLET|LINUX_EPOLLONESHOT	\
51 		|LINUX_EPOLLHUP|LINUX_EPOLLERR|LINUX_EPOLLPRI		\
52 		|LINUX_EPOLL_EVRD|LINUX_EPOLL_EVWR|LINUX_EPOLLRDHUP)
53 
54 #define	LINUX_EPOLL_CTL_ADD	1
55 #define	LINUX_EPOLL_CTL_DEL	2
56 #define	LINUX_EPOLL_CTL_MOD	3
57 
58 #define	LINUX_EFD_SEMAPHORE	(1 << 0)
59 
60 #define	LINUX_TFD_TIMER_ABSTIME	(1 << 0)
61 #define	LINUX_TFD_TIMER_CANCEL_ON_SET	(1 << 1)
62 #define	LINUX_TFD_CLOEXEC	LINUX_O_CLOEXEC
63 #define	LINUX_TFD_NONBLOCK	LINUX_O_NONBLOCK
64 
65 #define	LINUX_TFD_SHARED_FCNTL_FLAGS	(LINUX_TFD_CLOEXEC		\
66 		|LINUX_TFD_NONBLOCK)
67 #define	LINUX_TFD_CREATE_FLAGS	LINUX_TFD_SHARED_FCNTL_FLAGS
68 #define	LINUX_TFD_SETTIME_FLAGS	(LINUX_TFD_TIMER_ABSTIME		\
69 		|LINUX_TFD_TIMER_CANCEL_ON_SET)
70 
71 #endif	/* !_LINUX_EVENT_H_ */
72