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// -*- IDL -*-
/**
* @file TimeBase.pidl
*/
#ifndef TIME_BASE_PIDL
#define TIME_BASE_PIDL
#pragma prefix "omg.org"
/**
* @brief COS Time Service basic types.
*
*
* The standard CORBA Time Service defines a number of data structures
* to manipulate and express time.
* Over time these data structures have found their way into core
* components of CORBA, such as CORBA Messaging, RT CORBA, etc.
*/
module TimeBase
{
/// Time in TimeT is expressed in units of 100 nano seconds
/**
* In other words each TimeT is 10^-7 seconds.
* When used for absolute time 0 is to October 15, 1582. Please read
* the spec for further details.
*/
typedef unsigned long long TimeT;
/// To express an error estimate for time.
typedef TimeT InaccuracyT;
/// Minutes of displacement from the Greenwich time.
typedef short TdfT;
/**
* @brief A timestamp in UTC time
*
* The inaccuracy is packed into inacclo & inacchi.
* tdf holds the time displacement factor.
*
* There are a total of 16 octets in this struct.
*
* @todo What is exactly the range of time here?
* Is it [time-inacclo,time+inacchi]?
*/
struct UtcT
{
/// The actual time
TimeT time;
/// The lowest bound for innacuracy
unsigned long inacclo;
/// The upper bound for the innacuracy
unsigned short inacchi;
/// @todo please document
TdfT tdf;
};
/**
* @brief An UTC time interval
*
*/
struct IntervalT
{
/// Lower bound of the interval.
TimeT lower_bound;
/// Upper bound of the interval.
TimeT upper_bound;
};
};
#endif /* TIME_BASE_PIDL */
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