62 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| /*
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|  * Common syscall restarting data
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|  */
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| #ifndef __LINUX_RESTART_BLOCK_H
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| #define __LINUX_RESTART_BLOCK_H
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| 
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| #include <linux/compiler.h>
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| #include <linux/types.h>
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| 
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| struct __kernel_timespec;
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| struct timespec;
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| struct old_timespec32;
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| struct pollfd;
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| 
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| enum timespec_type {
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| 	TT_NONE		= 0,
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| 	TT_NATIVE	= 1,
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| 	TT_COMPAT	= 2,
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| };
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| 
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| /*
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|  * System call restart block.
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|  */
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| struct restart_block {
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| 	unsigned long arch_data;
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| 	long (*fn)(struct restart_block *);
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| 	union {
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| 		/* For futex_wait and futex_wait_requeue_pi */
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| 		struct {
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| 			u32 __user *uaddr;
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| 			u32 val;
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| 			u32 flags;
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| 			u32 bitset;
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| 			u64 time;
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| 			u32 __user *uaddr2;
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| 		} futex;
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| 		/* For nanosleep */
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| 		struct {
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| 			clockid_t clockid;
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| 			enum timespec_type type;
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| 			union {
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| 				struct __kernel_timespec __user *rmtp;
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| 				struct old_timespec32 __user *compat_rmtp;
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| 			};
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| 			u64 expires;
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| 		} nanosleep;
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| 		/* For poll */
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| 		struct {
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| 			struct pollfd __user *ufds;
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| 			int nfds;
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| 			int has_timeout;
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| 			unsigned long tv_sec;
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| 			unsigned long tv_nsec;
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| 		} poll;
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| 	};
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| };
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| 
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| extern long do_no_restart_syscall(struct restart_block *parm);
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| 
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| #endif /* __LINUX_RESTART_BLOCK_H */
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