20 lines
		
	
	
		
			639 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			20 lines
		
	
	
		
			639 B
		
	
	
	
		
			C
		
	
	
	
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __LINUX_NSFS_H
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#define __LINUX_NSFS_H
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#include <linux/ioctl.h>
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#define NSIO	0xb7
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/* Returns a file descriptor that refers to an owning user namespace */
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#define NS_GET_USERNS		_IO(NSIO, 0x1)
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/* Returns a file descriptor that refers to a parent namespace */
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#define NS_GET_PARENT		_IO(NSIO, 0x2)
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/* Returns the type of namespace (CLONE_NEW* value) referred to by
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   file descriptor */
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#define NS_GET_NSTYPE		_IO(NSIO, 0x3)
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/* Get owner UID (in the caller's user namespace) for a user namespace */
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#define NS_GET_OWNER_UID	_IO(NSIO, 0x4)
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#endif /* __LINUX_NSFS_H */
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