ripple::UptimeClock Class Reference

Tracks program uptime to seconds precision. More...

Collaboration diagram for ripple::UptimeClock:

Classes
struct	update_thread

Public Types
using	rep = int
using	period = std::ratio< 1 >
using	duration = std::chrono::duration< rep, period >
using	time_point = std::chrono::time_point< UptimeClock >

Public Member Functions
	UptimeClock ()=default

Static Public Member Functions
static time_point	now ()

Static Public Attributes
static constexpr bool	is_steady = std::chrono::system_clock::is_steady

Static Private Member Functions
static update_thread	start_clock ()

Static Private Attributes
static std::atomic< rep >	now_ {0}
static std::atomic< bool >	stop_ {false}

Detailed Description

Tracks program uptime to seconds precision.

The timer caches the current time as a performance optimization. This allows clients to query the current time thousands of times per second.

Definition at line 37 of file UptimeClock.h.

Member Typedef Documentation

rep

using ripple::UptimeClock::rep = int

Definition at line 40 of file UptimeClock.h.

period

using ripple::UptimeClock::period = std::ratio<1>

Definition at line 41 of file UptimeClock.h.

duration

using ripple::UptimeClock::duration = std::chrono::duration<rep, period>

Definition at line 42 of file UptimeClock.h.

time_point

using ripple::UptimeClock::time_point = std::chrono::time_point<UptimeClock>

Definition at line 43 of file UptimeClock.h.

Constructor & Destructor Documentation

UptimeClock()

ripple::UptimeClock::UptimeClock ( )

explicitdefault

Member Function Documentation

now()

UptimeClock::time_point ripple::UptimeClock::now ( )

static

Definition at line 63 of file UptimeClock.cpp.

start_clock()

UptimeClock::update_thread ripple::UptimeClock::start_clock ( )

staticprivate

Definition at line 41 of file UptimeClock.cpp.

Member Data Documentation

is_steady

constexpr bool ripple::UptimeClock::is_steady = std::chrono::system_clock::is_steady

staticconstexpr

Definition at line 44 of file UptimeClock.h.

now_

std::atomic< UptimeClock::rep > ripple::UptimeClock::now_ {0}

staticprivate

Definition at line 52 of file UptimeClock.h.

stop_

std::atomic< bool > ripple::UptimeClock::stop_ {false}

staticprivate

Definition at line 53 of file UptimeClock.h.