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Macros | Functions
globus_time.h File Reference

Time Types and Macros. More...

#include "globus_types.h"
#include <time.h>

Go to the source code of this file.

Macros

#define GlobusTimeAbstimeSet(Abstime, Sec, USec)
 
#define GlobusTimeAbstimeGet(Abstime, Sec, USec)
 
#define GlobusTimeReltimeSet(Reltime, Sec, USec)
 
#define GlobusTimeAbstimeDiff(Reltime, T1, T2)
 
#define GlobusTimeReltimeToUSec(SlpInt, Reltime)
 
#define GlobusTimeReltimeToMilliSec(Milliseconds, Reltime)
 
#define GlobusTimeAbstimeInc(Abstime, Reltime)
 
#define GlobusTimeAbstimeGetCurrent(Abstime)
 
#define GlobusTimeAbstimeCopy(Dest, Src)
 
#define GlobusTimeReltimeCopy(Dest, Src)
 
#define GlobusTimeReltimeMultiply(Reltime, Factor)
 
#define GlobusTimeReltimeDivide(Reltime, Factor)
 

Functions

globus_bool_t globus_time_has_expired (const globus_abstime_t *abstime)
 
globus_bool_t globus_time_abstime_is_infinity (const globus_abstime_t *abstime)
 
globus_bool_t globus_time_reltime_is_infinity (const globus_reltime_t *reltime)
 
int globus_abstime_cmp (const globus_abstime_t *abstime_1, const globus_abstime_t *abstime_2)
 
int globus_reltime_cmp (const globus_reltime_t *reltime_1, const globus_reltime_t *reltime_2)
 

Detailed Description

Time Types and Macros.

Macro Definition Documentation

#define GlobusTimeAbstimeCopy (   Dest,
  Src 
)
Value:
{ \
(Dest).tv_sec = (Src).tv_sec; \
(Dest).tv_nsec = (Src).tv_nsec; \
}

Copy the absolute time

#define GlobusTimeAbstimeDiff (   Reltime,
  T1,
  T2 
)
Value:
{ \
int __res = globus_abstime_cmp(&(T1), &(T2)); \
if(__res < 0) \
{ \
(Reltime).tv_sec = (T2).tv_sec - (T1).tv_sec; \
(Reltime).tv_usec = \
(((T2).tv_nsec - (T1).tv_nsec) / 1000); \
if((Reltime).tv_usec < 0) \
{ \
(Reltime).tv_sec--; \
(Reltime).tv_usec += 1000000; \
} \
} \
else if(__res > 0) \
{ \
(Reltime).tv_sec = (T1).tv_sec - (T2).tv_sec; \
(Reltime).tv_usec = \
(((T1).tv_nsec - (T2).tv_nsec) / 1000); \
if((Reltime).tv_usec < 0) \
{ \
(Reltime).tv_sec--; \
(Reltime).tv_usec += 1000000; \
} \
} \
else \
{ \
(Reltime).tv_sec = 0; \
(Reltime).tv_usec = 0; \
} \
}
int globus_abstime_cmp(const globus_abstime_t *abstime_1, const globus_abstime_t *abstime_2)
Definition: globus_time.c:88

Find the difference between the 2 absolute times.

#define GlobusTimeAbstimeGet (   Abstime,
  Sec,
  USec 
)
Value:
{ \
Sec = (Abstime).tv_sec; \
USec = ((Abstime).tv_nsec / 1000); \
}

Separates abstime structure into its components, sec and usec.

#define GlobusTimeAbstimeGetCurrent (   Abstime)
Value:
{ \
struct timeval __time; \
\
gettimeofday(&__time, GLOBUS_NULL); \
(Abstime).tv_sec = __time.tv_sec; \
(Abstime).tv_nsec = (__time.tv_usec * 1000); \
}
#define GLOBUS_NULL
NULL value.
Definition: globus_types.h:119

Get the current time

#define GlobusTimeAbstimeInc (   Abstime,
  Reltime 
)
Value:
{ \
(Abstime).tv_nsec += ((Reltime).tv_usec * 1000); \
if((Abstime).tv_nsec >= 1000000000) \
{ \
(Abstime).tv_sec++; \
(Abstime).tv_nsec -= 1000000000; \
} \
(Abstime).tv_sec += (Reltime).tv_sec; \
}

Add reltime to abstime

#define GlobusTimeAbstimeSet (   Abstime,
  Sec,
  USec 
)
Value:
{ \
(Abstime).tv_nsec += (USec * 1000); \
if((Abstime).tv_nsec >= 1000000000) \
{ \
(Abstime).tv_sec += ((Abstime).tv_nsec / 1000000000);\
(Abstime).tv_nsec = (Abstime).tv_nsec % 1000000000; \
} \
(Abstime).tv_sec += Sec; \
}
#define GlobusTimeAbstimeGetCurrent(Abstime)
Definition: globus_time.h:227

Set the abstime structure to the sec and usec parameter values.

#define GlobusTimeReltimeCopy (   Dest,
  Src 
)
Value:
{ \
(Dest).tv_sec = (Src).tv_sec; \
(Dest).tv_usec = (Src).tv_usec; \
}

Copy the relative time

#define GlobusTimeReltimeDivide (   Reltime,
  Factor 
)
Value:
{ \
(Reltime).tv_usec /= Factor; \
(Reltime).tv_sec /= Factor; \
}

divide the reltime by factor

#define GlobusTimeReltimeMultiply (   Reltime,
  Factor 
)
Value:
{ \
(Reltime).tv_usec *= Factor; \
(Reltime).tv_sec *= Factor; \
\
if((Reltime).tv_usec >= 1000000) \
{ \
(Reltime).tv_sec += ((Reltime).tv_usec / 1000000);\
(Reltime).tv_usec = (Reltime).tv_usec % 1000000; \
} \
}

Multiple the reltime by factor

#define GlobusTimeReltimeSet (   Reltime,
  Sec,
  USec 
)
Value:
{ \
(Reltime).tv_usec = (USec); \
(Reltime).tv_sec = Sec; \
if((Reltime).tv_usec >= 1000000) \
{ \
(Reltime).tv_sec += ((Reltime).tv_usec / 1000000);\
(Reltime).tv_usec = (Reltime).tv_usec % 1000000; \
} \
}

Set the reltime structure to the sec and usec parameter values.

#define GlobusTimeReltimeToMilliSec (   Milliseconds,
  Reltime 
)
Value:
{ \
Milliseconds = ((Reltime).tv_sec * 1000) + \
((Reltime).tv_usec)/ 1000; \
}

Convert a relative time into a long in millisec units

#define GlobusTimeReltimeToUSec (   SlpInt,
  Reltime 
)
Value:
{ \
SlpInt = ((Reltime).tv_sec * 1000000) + \
((Reltime).tv_usec); \
}

Convert a relitive time into a long in usec units

Function Documentation

int globus_abstime_cmp ( const globus_abstime_t *  abstime_1,
const globus_abstime_t *  abstime_2 
)

Compare two absolute times.

This function returns an integer that reflects the comparison of two abstimes in the following way.

0 : values are the same. -1 : the first value is less than the second. 1 : the first value is greater than the second.

int globus_reltime_cmp ( const globus_reltime_t *  reltime_1,
const globus_reltime_t *  reltime_2 
)

Compare two absolute times.

This function returns an integer that reflects the comparison of two reltimes in the following way.

0 : values are the same. -1 : the first value is less than the second. 1 : the first value is greater than the second.

globus_bool_t globus_time_abstime_is_infinity ( const globus_abstime_t *  abstime)

Returns a boolean that reflects whether or not abstime is infinity.

globus_bool_t globus_time_has_expired ( const globus_abstime_t *  abstime)

Has abstime expired

Returns a boolean that reflects whether or not abstime is less than the current time.

globus_bool_t globus_time_reltime_is_infinity ( const globus_reltime_t *  reltime)

Returns a boolean that reflects whether or not reltime is infinity.