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kernel/linux-imx6_3.14.28/include/linux/signalfd.h 747 Bytes
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  /*
   *  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 */