| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * 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> |
| #include <linux/sched/signal.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 */ |
