xref: /freebsd/sys/compat/linux/linux_event.h (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
1 /*-
2  * Copyright (c) 2007 Roman Divacky
3  * Copyright (c) 2014 Dmitry Chagin <dchagin@FreeBSD.org>
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _LINUX_EVENT_H_
30 #define	_LINUX_EVENT_H_
31 
32 #define	LINUX_EPOLLIN		0x001
33 #define	LINUX_EPOLLPRI		0x002
34 #define	LINUX_EPOLLOUT		0x004
35 #define	LINUX_EPOLLRDNORM	0x040
36 #define	LINUX_EPOLLRDBAND	0x080
37 #define	LINUX_EPOLLWRNORM	0x100
38 #define	LINUX_EPOLLWRBAND	0x200
39 #define	LINUX_EPOLLMSG		0x400
40 #define	LINUX_EPOLLERR		0x008
41 #define	LINUX_EPOLLHUP		0x010
42 #define	LINUX_EPOLLRDHUP	0x2000
43 #define	LINUX_EPOLLWAKEUP	1u<<29
44 #define	LINUX_EPOLLONESHOT	1u<<30
45 #define	LINUX_EPOLLET		1u<<31
46 
47 #define	LINUX_EPOLL_EVRD	(LINUX_EPOLLIN|LINUX_EPOLLRDNORM)
48 #define	LINUX_EPOLL_EVWR	(LINUX_EPOLLOUT|LINUX_EPOLLWRNORM)
49 #define	LINUX_EPOLL_EVSUP	(LINUX_EPOLLET|LINUX_EPOLLONESHOT	\
50 		|LINUX_EPOLLHUP|LINUX_EPOLLERR|LINUX_EPOLLPRI		\
51 		|LINUX_EPOLL_EVRD|LINUX_EPOLL_EVWR|LINUX_EPOLLRDHUP)
52 
53 #define	LINUX_EPOLL_CTL_ADD	1
54 #define	LINUX_EPOLL_CTL_DEL	2
55 #define	LINUX_EPOLL_CTL_MOD	3
56 
57 #define	LINUX_EFD_SEMAPHORE	(1 << 0)
58 
59 #define	LINUX_TFD_TIMER_ABSTIME	(1 << 0)
60 #define	LINUX_TFD_TIMER_CANCEL_ON_SET	(1 << 1)
61 #define	LINUX_TFD_CLOEXEC	LINUX_O_CLOEXEC
62 #define	LINUX_TFD_NONBLOCK	LINUX_O_NONBLOCK
63 
64 #define	LINUX_TFD_SHARED_FCNTL_FLAGS	(LINUX_TFD_CLOEXEC		\
65 		|LINUX_TFD_NONBLOCK)
66 #define	LINUX_TFD_CREATE_FLAGS	LINUX_TFD_SHARED_FCNTL_FLAGS
67 #define	LINUX_TFD_SETTIME_FLAGS	(LINUX_TFD_TIMER_ABSTIME		\
68 		|LINUX_TFD_TIMER_CANCEL_ON_SET)
69 
70 #endif	/* !_LINUX_EVENT_H_ */
71