#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMESPEC_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMESPEC_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_

struct timespec {
  int64_t tv_sec;
  int64_t tv_nsec; /* nanoseconds */
};

int clock_getres(int, struct timespec *) libcesque;
int clock_gettime(int, struct timespec *) libcesque;
int clock_settime(int, const struct timespec *) libcesque;
int clock_nanosleep(int, int, const struct timespec *, struct timespec *);
int futimens(int, const struct timespec[2]) libcesque;
int nanosleep(const struct timespec *, struct timespec *) libcesque;
int utimensat(int, const char *, const struct timespec[2], int) libcesque;
int timespec_getres(struct timespec *, int) libcesque;
int timespec_get(struct timespec *, int) libcesque;

#ifdef _COSMO_SOURCE
int sys_clock_nanosleep(int, int, const struct timespec *, struct timespec *);
int cosmo_clock_nanosleep(int, int, const struct timespec *, struct timespec *);
#define timespec_zero ((struct timespec){0})
#define timespec_max  ((struct timespec){0x7fffffffffffffff, 999999999})
libcesque int timespec_cmp(struct timespec, struct timespec) pureconst;
libcesque int64_t timespec_tomicros(struct timespec) pureconst;
libcesque int64_t timespec_tomillis(struct timespec) pureconst;
libcesque int64_t timespec_tonanos(struct timespec) pureconst;
libcesque struct timespec timespec_add(struct timespec,
                                       struct timespec) pureconst;
libcesque struct timespec timespec_fromnanos(int64_t) pureconst;
libcesque struct timespec timespec_frommicros(int64_t) pureconst;
libcesque struct timespec timespec_frommillis(int64_t) pureconst;
libcesque struct timespec timespec_real(void) libcesque;
libcesque struct timespec timespec_mono(void) libcesque;
libcesque struct timespec timespec_sleep(struct timespec) libcesque;
libcesque int timespec_sleep_until(struct timespec) libcesque;
libcesque struct timespec timespec_sub(struct timespec,
                                       struct timespec) pureconst;
libcesque struct timespec timespec_subz(struct timespec,
                                        struct timespec) pureconst;
int sys_futex(int *, int, int, const struct timespec *, int *);
static inline struct timespec timespec_fromseconds(int64_t __x) {
  return (struct timespec){__x};
}
static inline int timespec_iszero(struct timespec __ts) {
  return !(__ts.tv_sec | __ts.tv_nsec);
}
static inline int timespec_isvalid(struct timespec __ts) {
  return __ts.tv_sec >= 0 && __ts.tv_nsec + 0ull < 1000000000ull;
}
#endif /* _COSMO_SOURCE */

COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_TIMESPEC_H_ */