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#ifndef _LINUX_TIMES_H
#define _LINUX_TIMES_H

#ifdef __KERNEL__
#include <asm/div64.h>
#include <asm/types.h>
#include <asm/param.h>

#if (HZ % USER_HZ)==0
# define jiffies_to_clock_t(x) ((x) / (HZ / USER_HZ))
#else
# define jiffies_to_clock_t(x) ((clock_t) jiffies_64_to_clock_t((u64) x))
#endif

static inline unsigned long clock_t_to_jiffies(unsigned long x)
{
#if (HZ % USER_HZ)==0
        if (x >= ~0UL / (HZ / USER_HZ))
                return ~0UL;
        return x * (HZ / USER_HZ);
#else
        u64 jif;

        /* Don't worry about loss of precision here .. */
        if (x >= ~0UL / HZ * USER_HZ)
                return ~0UL;

        /* .. but do try to contain it here */
        jif = x * (u64) HZ;
        do_div(jif, USER_HZ);
        return jif;
#endif
}

static inline u64 jiffies_64_to_clock_t(u64 x)
{
#if (HZ % USER_HZ)==0
        do_div(x, HZ / USER_HZ);
#else
        /*
         * There are better ways that don't overflow early,
         * but even this doesn't overflow in hundreds of years
         * in 64 bits, so..
         */
        x *= USER_HZ;
        do_div(x, HZ);
#endif
        return x;
}
#endif

struct tms {
        clock_t tms_utime;
        clock_t tms_stime;
        clock_t tms_cutime;
        clock_t tms_cstime;
};

#endif