SystemClock Class Reference

Provides an abstract interface to the system clock. More...

#include <SystemClock.h>

Public Types
enum	Result { Success, IOError }
	Result codes. More...

Public Member Functions
	SystemClock ()
	Constructor. More...
void	value (struct timeval &val) const
	Get time value. More...
Result	now ()
	Get the current time. More...
void	printDiff (const SystemClock &clock) const
	Print difference between two clocks to stdout. More...
void	printDiff (const struct timeval &stamp) const
	Print difference between to timestamps to stdout. More...

Private Attributes
struct timeval	m_timeval
	Time value. More...

Detailed Description

Provides an abstract interface to the system clock.

Definition at line 34 of file SystemClock.h.

Member Enumeration Documentation

Result

enum SystemClock::Result

Result codes.

Enumerator
Success
IOError

Definition at line 41 of file SystemClock.h.

Constructor & Destructor Documentation

SystemClock()

SystemClock::SystemClock

(

)

Constructor.

Definition at line 23 of file SystemClock.cpp.

References m_timeval, timeval::tv_sec, and timeval::tv_usec.

Member Function Documentation

now()

SystemClock::Result SystemClock::now

(

)

Get the current time.

Returns

Result code

Definition at line 35 of file SystemClock.cpp.

References gettimeofday(), IOError, m_timeval, and Success.

Referenced by MpiPrime::exec(), TimeCommand::execute(), and MpiPrime::searchParallel().

printDiff() [1/2]

void SystemClock::printDiff

(

const struct timeval &

stamp

)

const

Print difference between to timestamps to stdout.

Parameters

stamp

Timestamp to compare with

Definition at line 54 of file SystemClock.cpp.

References m_timeval, printf(), timeval::tv_sec, and timeval::tv_usec.

printDiff() [2/2]

void SystemClock::printDiff

(

const SystemClock &

clock

)

const

Print difference between two clocks to stdout.

Parameters

clock

Clock to compare with

Definition at line 49 of file SystemClock.cpp.

References m_timeval.

Referenced by MpiPrime::exec(), TimeCommand::execute(), and MpiPrime::searchParallel().

value()

void SystemClock::value

(

struct timeval &

val

)

const

Get time value.

Parameters

val	Timeval struct

Definition at line 29 of file SystemClock.cpp.

References m_timeval, timeval::tv_sec, and timeval::tv_usec.

Field Documentation

m_timeval

struct timeval SystemClock::m_timeval

private

Time value.

Definition at line 85 of file SystemClock.h.

Referenced by now(), printDiff(), SystemClock(), and value().

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The documentation for this class was generated from the following files:

• lib/libapp/SystemClock.h
• lib/libapp/SystemClock.cpp