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/* ISC license. */
#include <skalibs/sysdeps.h>
#include <skalibs/tai.h>
#if defined(SKALIBS_HASCLOCKRT) && (defined(SKALIBS_HASCLOCKMON) || defined(SKALIBS_HASCLOCKBOOT))
#include <time.h>
int tain_stopwatch_init (clock_t cl, tain_t *offset)
{
tain_t a, b ;
struct timespec ts ;
if (!tain_wallclock_read(&a)) return 0 ;
if (clock_gettime(cl, &ts) < 0) return 0 ;
if (!tain_from_timespec(&b, &ts)) return 0 ;
tain_add(&a, &a, &tain_nano500) ;
tain_sub(offset, &a, &b) ;
return 1 ;
}
int tain_stopwatch_read (tain_t *a, clock_t cl, tain_t const *offset)
{
struct timespec ts ;
if (clock_gettime(cl, &ts) < 0) return 0 ;
if (!tain_from_timespec(a, &ts)) return 0 ;
tain_add(a, a, offset) ;
return 1 ;
}
#else
#include <errno.h>
int tain_stopwatch_init (clock_t cl, tain_t *offset)
{
(void)cl ;
(void)offset ;
return (errno = ENOSYS, 0) ;
}
int tain_stopwatch_read (tain_t *a, clock_t cl, tain_t const *offset)
{
(void)a ;
(void)cl ;
(void)offset ;
return (errno = ENOSYS, 0) ;
}
#endif
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