release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/sysroot/usr/include/linux/eventpoll.h

   1 /*
   2  *  include/linux/eventpoll.h ( Efficent event polling implementation )
   3  *  Copyright (C) 2001,...,2006  Davide Libenzi
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  Davide Libenzi <davidel@xmailserver.org>
  11  *
  12  */
  13
  14 #ifndef _LINUX_EVENTPOLL_H
  15 #define _LINUX_EVENTPOLL_H
  16
  17 /* For O_CLOEXEC */
  18 #include <linux/fcntl.h>
  19 #include <linux/types.h>
  20
  21 /* Flags for epoll_create1.  */
  22 #define EPOLL_CLOEXEC O_CLOEXEC
  23
  24 /* Valid opcodes to issue to sys_epoll_ctl() */
  25 #define EPOLL_CTL_ADD 1
  26 #define EPOLL_CTL_DEL 2
  27 #define EPOLL_CTL_MOD 3
  28
  29 /* Set the One Shot behaviour for the target file descriptor */
  30 #define EPOLLONESHOT (1 << 30)
  31
  32 /* Set the Edge Triggered behaviour for the target file descriptor */
  33 #define EPOLLET (1 << 31)
  34
  35 /*
  36  * On x86-64 make the 64bit structure have the same alignment as the
  37  * 32bit structure. This makes 32bit emulation easier.
  38  *
  39  * UML/x86_64 needs the same packing as x86_64
  40  */
  41 #ifdef __x86_64__
  42 #define EPOLL_PACKED __attribute__((packed))
  43 #else
  44 #define EPOLL_PACKED
  45 #endif
  46
  47 struct epoll_event {
  48         __u32 events;
  49         __u64 data;
  50 } EPOLL_PACKED;
  51
  52
  53 #endif /* #ifndef _LINUX_EVENTPOLL_H */
  54