/*
   *  include/linux/timerfd.h
   *
   *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>
   *
   */
  
  #ifndef _LINUX_TIMERFD_H
  #define _LINUX_TIMERFD_H
  
  /* For O_CLOEXEC and O_NONBLOCK */
  #include <linux/fcntl.h>
  
  /*
   * CAREFUL: Check include/asm-generic/fcntl.h when defining
   * new flags, since they might collide with O_* ones. We want
   * to re-use O_* flags that couldn't possibly have a meaning
   * from eventfd, in order to leave a free define-space for
   * shared O_* flags.
   */
  #define TFD_TIMER_ABSTIME (1 << 0)
  #define TFD_TIMER_CANCEL_ON_SET (1 << 1)
  #define TFD_CLOEXEC O_CLOEXEC
  #define TFD_NONBLOCK O_NONBLOCK
  
  #define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK)
  /* Flags for timerfd_create.  */
  #define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS
  /* Flags for timerfd_settime.  */
  #define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET)
  
  #endif /* _LINUX_TIMERFD_H */