1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98
|
#include "config.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIMEB_H
#include <sys/timeb.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#else
#include <time.h>
#endif
#endif
#include "gis.h"
/*******************************************************************************
* sleep_ltp (see manual, Internal Functions) <in> *
* Sleeps for fractional seconds *
* *
* parameters: double tm fractional time to sleep (.001 sec res) *
* *
* Returns zero upon normal end-of-job (EOJ). *
* j.dabritz 7/30/90 *
*******************************************************************************/
long sleep_ltp( double tm)
{
double finish;
double check;
time_ltp(&check);
for(finish = check + tm; check <= finish; time_ltp(&check))
sleep(0);
return(0);
}
/*******************************************************************************
* time_ltp (see manual, Internal Functions) <in> *
* Sets a double to the time in fractional seconds. *
* *
* parameters: double *time pointer to double to be set. *
* *
* Returns zero upon normal end-of-job (EOJ). *
* j.dabritz 7/30/90 *
*******************************************************************************/
#ifdef HAVE_GETTIMEOFDAY
int time_ltp( double *time)
{
struct timeval tstruct;
gettimeofday (&tstruct, NULL);
*time = tstruct.tv_sec + tstruct.tv_usec / 1000000.0;
return(0);
}
#else
#ifdef HAVE_FTIME
int time_ltp( double *time)
{
struct timeb tstruct;
ftime(&tstruct);
*time = tstruct.time + tstruct.millitm / 1000.0;
return(0);
}
#else
#ifdef HAVE_TIME
int time_ltp(double *time)
{
time_t tloc;
time(&tloc); /** get time (whole seconds) **/
*time = tloc; /** convert to a double **/
return(0);
}
#endif /* HAVE_TIME */
#endif /* HAVE_FTIME */
#endif /* HAVE_GETTIMEOFDAY */
|