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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 (tain *now, clock_t cl, tain *offset)
{
tain a, b ;
struct timespec ts ;
if (clock_gettime(cl, &ts) < 0) return 0 ;
if (!tain_from_timespec(&b, &ts)) return 0 ;
if (!tain_wallclock_read(&a)) return 0 ;
tain_sub(offset, &a, &b) ;
*now = a ;
return 1 ;
}
int tain_stopwatch_read (tain *now, clock_t cl, tain const *offset)
{
struct timespec ts ;
if (clock_gettime(cl, &ts) < 0) return 0 ;
if (!tain_from_timespec(now, &ts)) return 0 ;
tain_add(now, now, offset) ;
return 1 ;
}
#else
#include <errno.h>
int tain_stopwatch_init (tain *now, clock_t cl, tain *offset)
{
(void)now ;
(void)cl ;
(void)offset ;
return (errno = ENOSYS, 0) ;
}
int tain_stopwatch_read (tain *now, clock_t cl, tain const *offset)
{
(void)now ;
(void)cl ;
(void)offset ;
return (errno = ENOSYS, 0) ;
}
#endif
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