* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <sys/time.h>
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#ifdef HAVE_RUSAGE
#include <sys/resource.h>
#include <unistd.h>
+#include <sys/time.h>
+#else
+#include <ctime>
+#endif
#include "timer.h"
timer::timer() : on(false)
{
+#ifdef HAVE_RUSAGE
getrusage(RUSAGE_SELF, &used1);
used2.ru_utime = used1.ru_utime;
used2.ru_stime = used1.ru_stime;
+#else
+ used1 = clock();
+ used2 = used1;
+#endif
}
void timer::start()
{
on = true;
+#ifdef HAVE_RUSAGE
getrusage(RUSAGE_SELF, &used1);
used2.ru_utime = used1.ru_utime;
used2.ru_stime = used1.ru_stime;
+#else
+ used1 = clock();
+ used2 = used1;
+#endif
}
void timer::stop()
{
on = false;
+#ifdef HAVE_RUSAGE
getrusage(RUSAGE_SELF, &used2);
+#else
+ used2 = clock();
+#endif
}
void timer::reset()
{
+#ifdef HAVE_RUSAGE
getrusage(RUSAGE_SELF, &used1);
used2.ru_utime = used1.ru_utime;
used2.ru_stime = used1.ru_stime;
+#else
+ used1 = clock();
+ used2 = used1;
+#endif
}
double timer::read()
{
double elapsed;
+#ifdef HAVE_RUSAGE
if (running())
getrusage(RUSAGE_SELF, &used2);
elapsed = ((used2.ru_utime.tv_sec - used1.ru_utime.tv_sec) +
(used2.ru_stime.tv_sec - used1.ru_stime.tv_sec) +
(used2.ru_utime.tv_usec - used1.ru_utime.tv_usec) * 1e-6 +
(used2.ru_stime.tv_usec - used1.ru_stime.tv_usec) * 1e-6);
+#else
+ if (running())
+ used2 = clock();
+ elapsed = double(used2 - used1)/CLOCKS_PER_SEC;
+#endif
// Results more accurate than 10ms are pointless:
+ return elapsed;
return 0.01*int(elapsed*100+0.5);
}