diff options
Diffstat (limited to 'include/linux/sem.h')
-rw-r--r-- | include/linux/sem.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/sem.h b/include/linux/sem.h new file mode 100644 index 000000000..5608a500c --- /dev/null +++ b/include/linux/sem.h @@ -0,0 +1,36 @@ +/* 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 */ |