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/* 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 */
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