Cregit: Linux 5.19: signalfd.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Davide Libenzi	75	72.12%	2	28.57%
Oleg Nesterov	22	21.15%	1	14.29%
Ingo Molnar	3	2.88%	1	14.29%
Jaswinder Singh Rajput	2	1.92%	1	14.29%
Greg Kroah-Hartman	1	0.96%	1	14.29%
David Howells	1	0.96%	1	14.29%
Total	104		7

/* 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 */