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1 | /* |
2 | * include/linux/signalfd.h | |
3 | * | |
4 | * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> | |
5 | * | |
6 | */ | |
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7 | #ifndef _LINUX_SIGNALFD_H |
8 | #define _LINUX_SIGNALFD_H | |
9 | ||
607ca46e | 10 | #include <uapi/linux/signalfd.h> |
fba2afaa | 11 | |
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12 | |
13 | #ifdef CONFIG_SIGNALFD | |
14 | ||
15 | /* | |
b8fceee1 | 16 | * Deliver the signal to listening signalfd. |
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17 | */ |
18 | static inline void signalfd_notify(struct task_struct *tsk, int sig) | |
19 | { | |
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20 | if (unlikely(waitqueue_active(&tsk->sighand->signalfd_wqh))) |
21 | wake_up(&tsk->sighand->signalfd_wqh); | |
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22 | } |
23 | ||
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24 | extern void signalfd_cleanup(struct sighand_struct *sighand); |
25 | ||
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26 | #else /* CONFIG_SIGNALFD */ |
27 | ||
b8fceee1 | 28 | static inline void signalfd_notify(struct task_struct *tsk, int sig) { } |
fba2afaa | 29 | |
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30 | static inline void signalfd_cleanup(struct sighand_struct *sighand) { } |
31 | ||
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32 | #endif /* CONFIG_SIGNALFD */ |
33 | ||
fba2afaa | 34 | #endif /* _LINUX_SIGNALFD_H */ |