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#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)
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 */
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