[linux-block.git] / include / linux / sem.h

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

#include <uapi/linux/sem.h>
#include <linux/sem_types.h>

struct task_struct;

#ifdef CONFIG_SYSVIPC

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

#else

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 */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef _LINUX_SEM_H
	3	#define _LINUX_SEM_H
	4
607ca46e	5	#include <uapi/linux/sem.h>
e034d49e	6	#include <linux/sem_types.h>
1da177e4	7
8c65b4a6	8	struct task_struct;
1da177e4	9
f567a185 MS	10	#ifdef CONFIG_SYSVIPC
f567a185 MS	11
1da177e4 LT	12	extern int copy_semundo(unsigned long clone_flags, struct task_struct *tsk);
	13	extern void exit_sem(struct task_struct *tsk);
	14
	15	#else
f567a185	16
1da177e4 LT	17	static inline int copy_semundo(unsigned long clone_flags, struct task_struct *tsk)
	18	{
	19	return 0;
	20	}
	21
	22	static inline void exit_sem(struct task_struct *tsk)
	23	{
	24	return;
	25	}
	26	#endif
	27
1da177e4	28	#endif /* _LINUX_SEM_H */