cython

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# https://pubs.opengroup.org/onlinepubs/009695399/basedefs/sys/time.h.html
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from posix.types cimport suseconds_t, time_t, clockid_t, timer_t
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from posix.signal cimport sigevent
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cdef extern from "<sys/time.h>" nogil:
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    enum: CLOCK_REALTIME
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    enum: TIMER_ABSTIME
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    enum: CLOCK_MONOTONIC
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    # FreeBSD-specific clocks
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    enum: CLOCK_UPTIME
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    enum: CLOCK_UPTIME_PRECISE
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    enum: CLOCK_UPTIME_FAST
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    enum: CLOCK_REALTIME_PRECISE
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    enum: CLOCK_REALTIME_FAST
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    enum: CLOCK_MONOTONIC_PRECISE
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    enum: CLOCK_MONOTONIC_FAST
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    enum: CLOCK_SECOND
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    # Linux-specific clocks
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    enum: CLOCK_PROCESS_CPUTIME_ID
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    enum: CLOCK_THREAD_CPUTIME_ID
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    enum: CLOCK_MONOTONIC_RAW
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    enum: CLOCK_REALTIME_COARSE
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    enum: CLOCK_MONOTONIC_COARSE
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    enum: CLOCK_BOOTTIME
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    enum: CLOCK_REALTIME_ALARM
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    enum: CLOCK_BOOTTIME_ALARM
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    enum: ITIMER_REAL
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    enum: ITIMER_VIRTUAL
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    enum: ITIMER_PROF
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    cdef struct timezone:
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        int tz_minuteswest
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        int dsttime
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    cdef struct timeval:
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        time_t      tv_sec
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        suseconds_t tv_usec
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    cdef struct timespec:
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        time_t tv_sec
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        long   tv_nsec
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    cdef struct itimerval:
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        timeval it_interval
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        timeval it_value
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    cdef struct itimerspec:
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        timespec it_interval
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        timespec it_value
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    int nanosleep(const timespec *, timespec *)
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    int getitimer(int, itimerval *)
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    int gettimeofday(timeval *tp, timezone *tzp)
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    int setitimer(int, const itimerval *, itimerval *)
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    int clock_getcpuclockid(pid_t, clockid_t *)
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    int clock_getres(clockid_t, timespec *)
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    int clock_gettime(clockid_t, timespec *)
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    int clock_nanosleep(clockid_t, int, const timespec *, timespec *)
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    int clock_settime(clockid_t, const timespec *)
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    int timer_create(clockid_t, sigevent *, timer_t *)
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    int timer_delete(timer_t)
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    int timer_gettime(timer_t, itimerspec *)
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    int timer_getoverrun(timer_t)
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    int timer_settime(timer_t, int, const itimerspec *, itimerspec *)
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