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#ifndef _LINUX_TIME_H

#define _LINUX_TIME_H

#include <linux/types.h>

#ifndef _STRUCT_TIMESPEC

#define _STRUCT_TIMESPEC

struct timespec {

        __kernel_time_t tv_sec;                 /* seconds */

        long            tv_nsec;                /* nanoseconds */

};

#endif

struct timeval {

        __kernel_time_t         tv_sec;         /* seconds */

        __kernel_suseconds_t    tv_usec;        /* microseconds */

};

struct timezone {

        int     tz_minuteswest; /* minutes west of Greenwich */

        int     tz_dsttime;     /* type of dst correction */

};

/*

 * Names of the interval timers, and structure

 * defining a timer setting:

 */

#define ITIMER_REAL             0

#define ITIMER_VIRTUAL          1

#define ITIMER_PROF             2

struct itimerspec {

        struct timespec it_interval;    /* timer period */

        struct timespec it_value;       /* timer expiration */

};

struct itimerval {

        struct timeval it_interval;     /* timer interval */

        struct timeval it_value;        /* current value */

};

/*

 * The IDs of the various system clocks (for POSIX.1b interval timers):

 */

#define CLOCK_REALTIME                  0

#define CLOCK_MONOTONIC                 1

#define CLOCK_PROCESS_CPUTIME_ID        2

#define CLOCK_THREAD_CPUTIME_ID         3

#define CLOCK_MONOTONIC_RAW             4

#define CLOCK_REALTIME_COARSE           5

#define CLOCK_MONOTONIC_COARSE          6

#define CLOCK_BOOTTIME                  7

#define CLOCK_REALTIME_ALARM            8

#define CLOCK_BOOTTIME_ALARM            9

#define CLOCK_SGI_CYCLE                 10      /* Hardware specific */

#define CLOCK_TAI                       11

#define MAX_CLOCKS                      16

#define CLOCKS_MASK                     (CLOCK_REALTIME | CLOCK_MONOTONIC)

#define CLOCKS_MONO                     CLOCK_MONOTONIC

/*

 * The various flags for setting POSIX.1b interval timers:

 */

#define TIMER_ABSTIME                   0x01

#endif /* _LINUX_TIME_H */