#ifndef _LINUX_COMPAT_H#define _LINUX_COMPAT_H/* * These are the type definitions for the architecture specific * syscall compatibility layer. */#include <linux/config.h> #ifdef CONFIG_COMPAT #include <linux/stat.h>#include <linux/param.h>	/* for HZ */#include <linux/sem.h> #include <asm/compat.h>#include <asm/siginfo.h> #define compat_jiffies_to_clock_t(x)	\		(((unsigned long)(x) * COMPAT_USER_HZ) / HZ) typedef __compat_uid32_t	compat_uid_t;typedef __compat_gid32_t	compat_gid_t; struct rusage; struct compat_itimerspec { 	struct compat_timespec it_interval;	struct compat_timespec it_value;}; struct compat_utimbuf {	compat_time_t		actime;	compat_time_t		modtime;}; struct compat_itimerval {	struct compat_timeval	it_interval;	struct compat_timeval	it_value;}; struct compat_tms {	compat_clock_t		tms_utime;	compat_clock_t		tms_stime;	compat_clock_t		tms_cutime;	compat_clock_t		tms_cstime;}; #define _COMPAT_NSIG_WORDS	(_COMPAT_NSIG / _COMPAT_NSIG_BPW) typedef struct {	compat_sigset_word	sig[_COMPAT_NSIG_WORDS];} compat_sigset_t; extern int cp_compat_stat(struct kstat *, struct compat_stat __user *);extern int get_compat_timespec(struct timespec *, const struct compat_timespec __user *);extern int put_compat_timespec(const struct timespec *, struct compat_timespec __user *); struct compat_iovec {	compat_uptr_t	iov_base;	compat_size_t	iov_len;}; struct compat_rlimit {	compat_ulong_t	rlim_cur;	compat_ulong_t	rlim_max;}; struct compat_rusage {	struct compat_timeval ru_utime;	struct compat_timeval ru_stime;	compat_long_t	ru_maxrss;	compat_long_t	ru_ixrss;	compat_long_t	ru_idrss;	compat_long_t	ru_isrss;	compat_long_t	ru_minflt;	compat_long_t	ru_majflt;	compat_long_t	ru_nswap;	compat_long_t	ru_inblock;	compat_long_t	ru_oublock;	compat_long_t	ru_msgsnd;	compat_long_t	ru_msgrcv;	compat_long_t	ru_nsignals;	compat_long_t	ru_nvcsw;	compat_long_t	ru_nivcsw;}; extern int put_compat_rusage(const struct rusage *, struct compat_rusage __user *); struct compat_siginfo; extern asmlinkage long compat_sys_waitid(int, compat_pid_t,		struct compat_siginfo __user *, int,		struct compat_rusage __user *); struct compat_dirent {	u32		d_ino;	compat_off_t	d_off;	u16		d_reclen;	char		d_name[256];}; typedef union compat_sigval {	compat_int_t	sival_int;	compat_uptr_t	sival_ptr;} compat_sigval_t; #define COMPAT_SIGEV_PAD_SIZE	((SIGEV_MAX_SIZE/sizeof(int)) - 3) typedef struct compat_sigevent {	compat_sigval_t sigev_value;	compat_int_t sigev_signo;	compat_int_t sigev_notify;	union {		compat_int_t _pad[COMPAT_SIGEV_PAD_SIZE];		compat_int_t _tid; 		struct {			compat_uptr_t _function;			compat_uptr_t _attribute;		} _sigev_thread;	} _sigev_un;} compat_sigevent_t;  long compat_sys_semctl(int first, int second, int third, void __user *uptr);long compat_sys_msgsnd(int first, int second, int third, void __user *uptr);long compat_sys_msgrcv(int first, int second, int msgtyp, int third,		int version, void __user *uptr);long compat_sys_msgctl(int first, int second, void __user *uptr);long compat_sys_shmat(int first, int second, compat_uptr_t third, int version,		void __user *uptr);long compat_sys_shmctl(int first, int second, void __user *uptr);long compat_sys_semtimedop(int semid, struct sembuf __user *tsems,		unsigned nsems, const struct compat_timespec __user *timeout);asmlinkage long compat_sys_keyctl(u32 option,			      u32 arg2, u32 arg3, u32 arg4, u32 arg5); asmlinkage ssize_t compat_sys_readv(unsigned long fd,		const struct compat_iovec __user *vec, unsigned long vlen);asmlinkage ssize_t compat_sys_writev(unsigned long fd,		const struct compat_iovec __user *vec, unsigned long vlen); int compat_do_execve(char * filename, compat_uptr_t __user *argv,	        compat_uptr_t __user *envp, struct pt_regs * regs); asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,		compat_ulong_t __user *outp, compat_ulong_t __user *exp,		struct compat_timeval __user *tvp); #define BITS_PER_COMPAT_LONG    (8*sizeof(compat_long_t)) #define BITS_TO_COMPAT_LONGS(bits) \	(((bits)+BITS_PER_COMPAT_LONG-1)/BITS_PER_COMPAT_LONG) long compat_get_bitmap(unsigned long *mask, compat_ulong_t __user *umask,		       unsigned long bitmap_size);long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask,		       unsigned long bitmap_size);int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);int get_compat_sigevent(struct sigevent *event,		const struct compat_sigevent __user *u_event); #endif /* CONFIG_COMPAT */#endif /* _LINUX_COMPAT_H */