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#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include "litmus.h"
/* CPU time consumed so far in seconds */
double cputime(void)
{
struct timespec ts;
int err;
err = clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
if (err != 0)
perror("clock_gettime");
return (ts.tv_sec + 1E-9 * ts.tv_nsec);
}
/* wall-clock time in seconds */
double wctime(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (tv.tv_sec + 1E-6 * tv.tv_usec);
}
int lt_sleep(lt_t timeout)
{
struct timespec delay;
delay.tv_sec = timeout / 1000000000L;
delay.tv_nsec = timeout % 1000000000L;
return nanosleep(&delay, NULL);
}
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