1 files changed, 73 insertions, 0 deletions
diff --git a/3rdparty/plibsys/src/ptimeprofiler-mach.c b/3rdparty/plibsys/src/ptimeprofiler-mach.c
new file mode 100644
index 0000000..6bef3c7
--- /dev/null
+++ b/3rdparty/plibsys/src/ptimeprofiler-mach.c
@@ -0,0 +1,73 @@
+/*
+ * The MIT License
+ *
+ * Copyright (C) 2013-2016 Alexander Saprykin <saprykin.spb@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * 'Software'), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "ptimeprofiler.h"
+#include "ptimeprofiler-private.h"
+
+#include <mach/mach_time.h>
+
+static puint64 pp_time_profiler_freq_num   = 0;
+static puint64 pp_time_profiler_freq_denom = 0;
+
+puint64
+p_time_profiler_get_ticks_internal ()
+{
+	puint64 val = mach_absolute_time ();
+
+	/* To prevent overflow */
+	val /= 1000;
+
+	val *= pp_time_profiler_freq_num;
+	val /= pp_time_profiler_freq_denom;
+
+	return val;
+}
+
+puint64
+p_time_profiler_elapsed_usecs_internal (const PTimeProfiler *profiler)
+{
+	return p_time_profiler_get_ticks_internal () - profiler->counter;
+}
+
+void
+p_time_profiler_init (void)
+{
+	mach_timebase_info_data_t tb;
+
+	if (P_UNLIKELY (mach_timebase_info (&tb) != KERN_SUCCESS || tb.denom == 0)) {
+		P_ERROR ("PTimeProfiler::p_time_profiler_init: mach_timebase_info() failed");
+		return;
+	}
+
+	pp_time_profiler_freq_num   = (puint64) tb.numer;
+	pp_time_profiler_freq_denom = (puint64) tb.denom;
+}
+
+void
+p_time_profiler_shutdown (void)
+{
+	pp_time_profiler_freq_num   = 0;
+	pp_time_profiler_freq_denom = 0;
+}