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1 /* SPDX-License-Identifier: GPL-2.0 */
3 * include/linux/signalfd.h
5 * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org>
8 #ifndef _LINUX_SIGNALFD_H
9 #define _LINUX_SIGNALFD_H
11 #include <uapi/linux/signalfd.h>
12 #include <linux/sched/signal.h>
14 #ifdef CONFIG_SIGNALFD
17 * Deliver the signal to listening signalfd.
19 static inline void signalfd_notify(struct task_struct
*tsk
, int sig
)
21 if (unlikely(waitqueue_active(&tsk
->sighand
->signalfd_wqh
)))
22 wake_up(&tsk
->sighand
->signalfd_wqh
);
25 extern void signalfd_cleanup(struct sighand_struct
*sighand
);
27 #else /* CONFIG_SIGNALFD */
29 static inline void signalfd_notify(struct task_struct
*tsk
, int sig
) { }
31 static inline void signalfd_cleanup(struct sighand_struct
*sighand
) { }
33 #endif /* CONFIG_SIGNALFD */
35 #endif /* _LINUX_SIGNALFD_H */