Provided by: libglobus-common-doc_18.14-2_all 
NAME
globus_time.h - Time Types and Macros.
SYNOPSIS
#include 'globus_types.h'
#include <time.h>
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:.PP
{ \
(Dest).tv_sec = (Src).tv_sec; \
(Dest).tv_nsec = (Src).tv_nsec; \
}
Copy the absolute time
#define GlobusTimeAbstimeDiff(Reltime, T1, T2)
Value:.PP
{ \
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; \
} \
}
Find the difference between the 2 absolute times.
#define GlobusTimeAbstimeGet(Abstime, Sec, USec)
Value:.PP
{ \
Sec = (Abstime).tv_sec; \
USec = ((Abstime).tv_nsec / 1000); \
}
Separates abstime structure into its components, sec and usec.
#define GlobusTimeAbstimeGetCurrent(Abstime)
Value:.PP
{ \
struct timeval __time; \
\
gettimeofday(&__time, GLOBUS_NULL); \
(Abstime).tv_sec = __time.tv_sec; \
(Abstime).tv_nsec = (__time.tv_usec * 1000); \
}
Get the current time
#define GlobusTimeAbstimeInc(Abstime, Reltime)
Value:.PP
{ \
(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:.PP
{ \
GlobusTimeAbstimeGetCurrent(Abstime); \
(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; \
}
Set the abstime structure to the sec and usec parameter values.
#define GlobusTimeReltimeCopy(Dest, Src)
Value:.PP
{ \
(Dest).tv_sec = (Src).tv_sec; \
(Dest).tv_usec = (Src).tv_usec; \
}
Copy the relative time
#define GlobusTimeReltimeDivide(Reltime, Factor)
Value:.PP
{ \
(Reltime).tv_usec /= Factor; \
(Reltime).tv_sec /= Factor; \
}
divide the reltime by factor
#define GlobusTimeReltimeMultiply(Reltime, Factor)
Value:.PP
{ \
(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:.PP
{ \
(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:.PP
{ \
Milliseconds = ((Reltime).tv_sec * 1000) + \
((Reltime).tv_usec)/ 1000; \
}
Convert a relative time into a long in millisec units
#define GlobusTimeReltimeToUSec(SlpInt, Reltime)
Value:.PP
{ \
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.
Author
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