folly::chrono Namespace Reference

Namespaces
	detail

Classes
struct	coarse_steady_clock

Functions
template<typename To , typename Rep , typename Period , typename = typename std::enable_if<detail::is_duration<To>::value>::type>
constexpr To	ceil (std::chrono::duration< Rep, Period > const &d)
template<typename To , typename Clock , typename Duration , typename = typename std::enable_if<detail::is_duration<To>::value>::type>
constexpr std::chrono::time_point< Clock, To >	ceil (std::chrono::time_point< Clock, Duration > const &tp)
template<typename To , typename Rep , typename Period , typename = typename std::enable_if<detail::is_duration<To>::value>::type>
constexpr To	floor (std::chrono::duration< Rep, Period > const &d)
template<typename To , typename Clock , typename Duration , typename = typename std::enable_if<detail::is_duration<To>::value>::type>
constexpr std::chrono::time_point< Clock, To >	floor (std::chrono::time_point< Clock, Duration > const &tp)
template<typename To , typename Rep , typename Period , typename = typename std::enable_if< detail::is_duration<To>::value && !std::chrono::treat_as_floating_point<typename To::rep>::value>::type>
constexpr To	round (std::chrono::duration< Rep, Period > const &d)
template<typename To , typename Clock , typename Duration , typename = typename std::enable_if< detail::is_duration<To>::value && !std::chrono::treat_as_floating_point<typename To::rep>::value>::type>
constexpr std::chrono::time_point< Clock, To >	round (std::chrono::time_point< Clock, Duration > const &tp)
static int64_t	clock_gettime_ns_fallback (clockid_t clock)

Variables
int(*	clock_gettime )(clockid_t, timespec *ts) = &::clock_gettime
int64_t(*	clock_gettime_ns )(clockid_t) = &clock_gettime_ns_fallback

Function Documentation

template<typename To , typename Rep , typename Period , typename = typename std::enable_if<detail::is_duration<To>::value>::type>

constexpr To folly::chrono::ceil

(

std::chrono::duration< Rep, Period > const &

d

)

Definition at line 91 of file Chrono.h.

References folly::chrono::detail::ceil_impl(), type, and value.

Referenced by proxygen::HeaderTable::add().

                                                           {
  return detail::ceil_impl(d, std::chrono::duration_cast<To>(d));
}

template<typename To , typename Clock , typename Duration , typename = typename std::enable_if<detail::is_duration<To>::value>::type>

constexpr std::chrono::time_point<Clock, To> folly::chrono::ceil

(

std::chrono::time_point< Clock, Duration > const &

tp

)

Definition at line 102 of file Chrono.h.

References type, and value.

                                                    {
  return std::chrono::time_point<Clock, To>{ceil<To>(tp.time_since_epoch())};
}

static int64_t folly::chrono::clock_gettime_ns_fallback ( clockid_t  clock )

static

Definition at line 33 of file ClockGettimeWrappers.cpp.

References clock_gettime, and UNLIKELY.

                                                          {
  struct timespec ts;
  int r = clock_gettime(clock, &ts);
  if (UNLIKELY(r != 0)) {
    // Mimic what __clock_gettime_ns does (even though this can be a legit
    // value).
    return -1;
  }
  std::chrono::nanoseconds result =
      std::chrono::seconds(ts.tv_sec) + std::chrono::nanoseconds(ts.tv_nsec);
  return result.count();
}

template<typename To , typename Rep , typename Period , typename = typename std::enable_if<detail::is_duration<To>::value>::type>

constexpr To folly::chrono::floor

(

std::chrono::duration< Rep, Period > const &

d

)

Definition at line 114 of file Chrono.h.

References folly::chrono::detail::floor_impl(), type, and value.

Referenced by fizz::test::chunkIOBuf().

                                                            {
  return detail::floor_impl(d, std::chrono::duration_cast<To>(d));
}

template<typename To , typename Clock , typename Duration , typename = typename std::enable_if<detail::is_duration<To>::value>::type>

constexpr std::chrono::time_point<Clock, To> folly::chrono::floor

(

std::chrono::time_point< Clock, Duration > const &

tp

)

Definition at line 125 of file Chrono.h.

References type, and value.

                                                    {
  return std::chrono::time_point<Clock, To>{floor<To>(tp.time_since_epoch())};
}

template<typename To , typename Rep , typename Period , typename = typename std::enable_if< detail::is_duration<To>::value && !std::chrono::treat_as_floating_point<typename To::rep>::value>::type>

constexpr To folly::chrono::round

(

std::chrono::duration< Rep, Period > const &

d

)

Definition at line 139 of file Chrono.h.

References folly::chrono::detail::round_impl(), type, and value.

Referenced by folly::constexpr_ceil(), fizz::HkdfImpl< Hash >::expand(), Run(), folly::TEST(), and TEST_F().

                                                            {
  return detail::round_impl(d, floor<To>(d));
}

template<typename To , typename Clock , typename Duration , typename = typename std::enable_if< detail::is_duration<To>::value && !std::chrono::treat_as_floating_point<typename To::rep>::value>::type>

constexpr std::chrono::time_point<Clock, To> folly::chrono::round

(

std::chrono::time_point< Clock, Duration > const &

tp

)

Definition at line 152 of file Chrono.h.

References chrono.

                                                    {
  return std::chrono::time_point<Clock, To>{round<To>(tp.time_since_epoch())};
}

Variable Documentation

int(* folly::chrono::clock_gettime)(clockid_t, timespec *ts) = &::clock_gettime

Definition at line 48 of file ClockGettimeWrappers.cpp.

Referenced by clock_gettime_ns_fallback(), duration_to_ts(), GetClockTickCount(), folly::chrono::coarse_steady_clock::now(), run_steady_clock_test(), and run_system_clock_test().

int64_t(* folly::chrono::clock_gettime_ns)(clockid_t) = &clock_gettime_ns_fallback

Definition at line 49 of file ClockGettimeWrappers.cpp.