Cregit: Linux 5.16: sem.h

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Linus Torvalds	79	80.61%	1	14.29%
Manfred Spraul	11	11.22%	2	28.57%
Tim Schmielau	3	3.06%	1	14.29%
Eric W. Biedermann	3	3.06%	1	14.29%
Greg Kroah-Hartman	1	1.02%	1	14.29%
David Howells	1	1.02%	1	14.29%
Total	98		7

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SEM_H
#define _LINUX_SEM_H

#include <uapi/linux/sem.h>

struct task_struct;
struct sem_undo_list;

#ifdef CONFIG_SYSVIPC

struct sysv_sem {
	struct sem_undo_list *undo_list;
};

extern int copy_semundo(unsigned long clone_flags, struct task_struct *tsk);
extern void exit_sem(struct task_struct *tsk);

#else

struct sysv_sem {
	/* empty */
};

static inline int copy_semundo(unsigned long clone_flags, struct task_struct *tsk)
{
	return 0;
}

static inline void exit_sem(struct task_struct *tsk)
{
	return;
}
#endif

#endif /* _LINUX_SEM_H */