freebsd-skq/sys/compat/linux/linux_event.h
Vladimir Kondratyev 335fe0afb8 Linux epoll: Register events with zero event mask
Such an events are legal and should be interpreted as EPOLLERR | EPOLLHUP.
Register a disabled kqueue event in that case as we do not support EPOLLHUP yet.

Required by Linux Steam client.

PR:		240590
Reported by:	Alex S <iwtcex@gmail.com>
Reviewed by:	emaste
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D22516
2019-11-24 20:47:40 +00:00

72 lines
2.7 KiB
C

/*-
* Copyright (c) 2007 Roman Divacky
* Copyright (c) 2014 Dmitry Chagin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _LINUX_EVENT_H_
#define _LINUX_EVENT_H_
#define LINUX_EPOLLIN 0x001
#define LINUX_EPOLLPRI 0x002
#define LINUX_EPOLLOUT 0x004
#define LINUX_EPOLLRDNORM 0x040
#define LINUX_EPOLLRDBAND 0x080
#define LINUX_EPOLLWRNORM 0x100
#define LINUX_EPOLLWRBAND 0x200
#define LINUX_EPOLLMSG 0x400
#define LINUX_EPOLLERR 0x008
#define LINUX_EPOLLHUP 0x010
#define LINUX_EPOLLRDHUP 0x2000
#define LINUX_EPOLLWAKEUP 1u<<29
#define LINUX_EPOLLONESHOT 1u<<30
#define LINUX_EPOLLET 1u<<31
#define LINUX_EPOLL_EVRD (LINUX_EPOLLIN|LINUX_EPOLLRDNORM)
#define LINUX_EPOLL_EVWR (LINUX_EPOLLOUT|LINUX_EPOLLWRNORM)
#define LINUX_EPOLL_EVSUP (LINUX_EPOLLET|LINUX_EPOLLONESHOT \
|LINUX_EPOLLHUP|LINUX_EPOLLERR|LINUX_EPOLLPRI \
|LINUX_EPOLL_EVRD|LINUX_EPOLL_EVWR|LINUX_EPOLLRDHUP)
#define LINUX_EPOLL_CTL_ADD 1
#define LINUX_EPOLL_CTL_DEL 2
#define LINUX_EPOLL_CTL_MOD 3
#define LINUX_EFD_SEMAPHORE (1 << 0)
#define LINUX_TFD_TIMER_ABSTIME (1 << 0)
#define LINUX_TFD_TIMER_CANCEL_ON_SET (1 << 1)
#define LINUX_TFD_CLOEXEC LINUX_O_CLOEXEC
#define LINUX_TFD_NONBLOCK LINUX_O_NONBLOCK
#define LINUX_TFD_SHARED_FCNTL_FLAGS (LINUX_TFD_CLOEXEC \
|LINUX_TFD_NONBLOCK)
#define LINUX_TFD_CREATE_FLAGS LINUX_TFD_SHARED_FCNTL_FLAGS
#define LINUX_TFD_SETTIME_FLAGS (LINUX_TFD_TIMER_ABSTIME \
|LINUX_TFD_TIMER_CANCEL_ON_SET)
#endif /* !_LINUX_EVENT_H_ */