37 lines
		
	
	
		
			599 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			599 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef _LINUX_SEM_H
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| #define _LINUX_SEM_H
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| 
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| #include <uapi/linux/sem.h>
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| 
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| struct task_struct;
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| struct sem_undo_list;
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| 
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| #ifdef CONFIG_SYSVIPC
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| 
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| struct sysv_sem {
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| 	struct sem_undo_list *undo_list;
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| };
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| 
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| extern int copy_semundo(unsigned long clone_flags, struct task_struct *tsk);
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| extern void exit_sem(struct task_struct *tsk);
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| 
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| #else
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| 
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| struct sysv_sem {
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| 	/* empty */
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| };
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| 
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| static inline int copy_semundo(unsigned long clone_flags, struct task_struct *tsk)
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| {
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| 	return 0;
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| }
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| 
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| static inline void exit_sem(struct task_struct *tsk)
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| {
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| 	return;
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| }
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| #endif
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| 
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| #endif /* _LINUX_SEM_H */
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