p9y

[awesomized/libmemcached] / src / p9y / gettimeofday.cpp

diff --git a/src/p9y/gettimeofday.cpp b/src/p9y/gettimeofday.cpp
new file mode 100644 (file)
index 0000000..7d002ca
--- /dev/null
+++ b/src/p9y/gettimeofday.cpp
@@ -0,0 +1,23 @@
+#include "gettimeofday.hpp"
+
+#include <chrono>
+
+#if !defined HAVE_GETTIMEOFDAY
+int gettimeofday(struct timeval* tp, struct timezone*) {
+  using clock = std::chrono::system_clock;
+  auto as_sec = [] (auto d) {
+      return std::chrono::duration_cast<std::chrono::seconds>(d);
+  };
+  auto as_usec = [] (auto d) {
+      return std::chrono::duration_cast<std::chrono::microseconds>(d);
+  };
+
+  auto now = clock::now().time_since_epoch();
+  auto sec = as_sec(now);
+  auto usec = as_usec(now - sec);
+
+  tp->tv_sec = sec.count();
+  tp->tv_usec = usec.count();
+  return 0;
+}
+#endif