---
microbench/util.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/microbench/util.c b/microbench/util.c
index cf19d23..0486590 100644
--- a/microbench/util.c
+++ b/microbench/util.c
@@ -29,6 +29,8 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#include <config.h>
+
#include <stdlib.h>
#include "util.h"
@@ -63,6 +65,36 @@ benchmark_function (void (*testfunc) (void), unsigned count)
return counter_diff (&start, &end) / count ;
} /* benchmark_function */
+#elif defined FLAC__SYS_DARWIN
+
+#include <mach/mach_time.h>
+
+static double
+counter_diff (const uint64_t * start, const uint64_t * end)
+{
+ mach_timebase_info_data_t t_info;
+ mach_timebase_info(&t_info);
+ uint64_t duration = *end - *start;
+
+ return duration * ((double)t_info.numer/(double)t_info.denom);
+}
+
+double
+benchmark_function (void (*testfunc) (void), unsigned count)
+{
+ uint64_t start, end;
+ unsigned k;
+
+ start = mach_absolute_time();
+
+ for (k = 0 ; k < count ; k++)
+ testfunc();
+
+ end = mach_absolute_time();
+
+ return counter_diff (&start, &end) / count ;
+} /* benchmark_function */
+
#else
#define _GNU_SOURCE
--
2.5.3
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