| | 1 | /* |
| | 2 | * include/linux/signalfd.h |
| | 3 | * |
| | 4 | * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> |
| | 5 | * |
| | 6 | */ |
| | 7 | #ifndef _LINUX_SIGNALFD_H |
| | 8 | #define _LINUX_SIGNALFD_H |
| | 9 | |
| | 10 | #include <uapi/linux/signalfd.h> |
| | 11 | |
| | 12 | |
| | 13 | #ifdef CONFIG_SIGNALFD |
| | 14 | |
| | 15 | /* |
| | 16 | * Deliver the signal to listening signalfd. |
| | 17 | */ |
| | 18 | static inline void signalfd_notify(struct task_struct *tsk, int sig) |
| | 19 | { |
| | 20 | if (unlikely(waitqueue_active(&tsk->sighand->signalfd_wqh))) |
| | 21 | wake_up(&tsk->sighand->signalfd_wqh); |
| | 22 | } |
| | 23 | |
| | 24 | extern void signalfd_cleanup(struct sighand_struct *sighand); |
| | 25 | |
| | 26 | #else /* CONFIG_SIGNALFD */ |
| | 27 | |
| | 28 | static inline void signalfd_notify(struct task_struct *tsk, int sig) { } |
| | 29 | |
| | 30 | static inline void signalfd_cleanup(struct sighand_struct *sighand) { } |
| | 31 | |
| | 32 | #endif /* CONFIG_SIGNALFD */ |
| | 33 | |
| | 34 | #endif /* _LINUX_SIGNALFD_H */ |
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