1 files changed, 38 insertions, 0 deletions
diff --git a/src/platform/windows/win_clock.c b/src/platform/windows/win_clock.c
new file mode 100644
index 00000000..3309be24
--- /dev/null
+++ b/src/platform/windows/win_clock.c
@@ -0,0 +1,38 @@
+//
+// Copyright 2016 Garrett D'Amore <garrett@damore.org>
+//
+// This software is supplied under the terms of the MIT License, a
+// copy of which should be located in the distribution where this
+// file was obtained (LICENSE.txt).  A copy of the license may also be
+// found online at https://opensource.org/licenses/MIT.
+//
+
+#include "core/nng_impl.h"
+
+#ifdef PLATFORM_WINDOWS
+
+nni_time
+nni_plat_clock(void)
+{
+	LARGE_INTEGER freq;
+	LARGE_INTEGER count;
+	double rate;
+
+	QueryPerformanceFrequency(&freq);
+	QueryPerformanceCounter(&count);
+
+	// convert to ticks per us
+	rate = (double) freq.QuadPart / 1000000.0;
+
+	return ((nni_time) (count.QuadPart / rate));
+}
+
+
+void
+nni_plat_usleep(nni_duration usec)
+{
+	Sleep((usec + 999) / 1000);
+}
+
+
+#endif  // PLATFORM_WINDOWS