/*
   *  include/linux/signalfd.h
   *
   *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org>
   *
   */

  #ifndef _LINUX_SIGNALFD_H
  #define _LINUX_SIGNALFD_H

  #include <uapi/linux/signalfd.h>

  
  #ifdef CONFIG_SIGNALFD
  
  /*

   * Deliver the signal to listening signalfd.

   */
  static inline void signalfd_notify(struct task_struct *tsk, int sig)
  {

  	if (unlikely(waitqueue_active(&tsk->sighand->signalfd_wqh)))
  		wake_up(&tsk->sighand->signalfd_wqh);

  }

  extern void signalfd_cleanup(struct sighand_struct *sighand);

  #else /* CONFIG_SIGNALFD */

  static inline void signalfd_notify(struct task_struct *tsk, int sig) { }

  static inline void signalfd_cleanup(struct sighand_struct *sighand) { }

  #endif /* CONFIG_SIGNALFD */

  #endif /* _LINUX_SIGNALFD_H */