linux-stable/include/linux/sem.h
Eric W. Biederman 1a5c1349d1 sem: Move struct sem and struct sem_array into ipc/sem.c
All of the users are now in ipc/sem.c so make the definitions
local to that file to make code maintenance easier.  AKA
to prevent rebuilding the entire kernel when one of these
files is changed.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2018-03-22 21:30:56 -05:00

36 lines
599 B
C

/* 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 */