sys/emulation/linux/linux_epoll.h

   1 /*-
   2  * Copyright (c) 2007 Roman Divacky
   3  * All rights reserved.
   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_EPOLL_H_
  30 #define _LINUX_EPOLL_H_
  31
  32 #ifdef __amd64__
  33 #define EPOLL_PACKED    __packed
  34 #else
  35 #define EPOLL_PACKED
  36 #endif
  37
  38 struct linux_epoll_event {
  39         uint32_t        events;
  40         uint64_t        data;
  41 } EPOLL_PACKED;
  42
  43 #define LINUX_EPOLLIN           0x001
  44 #define LINUX_EPOLLPRI          0x002
  45 #define LINUX_EPOLLOUT          0x004
  46 #define LINUX_EPOLLONESHOT      (1 << 30)
  47 #define LINUX_EPOLLET           (1 << 31)
  48
  49 #define LINUX_EPOLL_CTL_ADD     1
  50 #define LINUX_EPOLL_CTL_DEL     2
  51 #define LINUX_EPOLL_CTL_MOD     3
  52
  53 #define LINUX_MAX_EVENTS        (INT_MAX / sizeof(struct linux_epoll_event))
  54
  55 #endif  /* !_LINUX_EPOLL_H_ */