adb: add sysdeps/chrono.h for chrono literals on Win32.
Bug: http://b/32878766
Test: mma
Change-Id: Iaa89d4eadf07e63d6d7205057435a6c7fb5d4ec5
diff --git a/adb/sysdeps/chrono.h b/adb/sysdeps/chrono.h
new file mode 100644
index 0000000..c73a638
--- /dev/null
+++ b/adb/sysdeps/chrono.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <chrono>
+
+#if defined(_WIN32)
+// We don't have C++14 on Windows yet.
+// Reimplement std::chrono_literals ourselves until we do.
+
+// Silence the following warning (which gets promoted to an error):
+// error: literal operator suffixes not preceded by ‘_’ are reserved for future standardization
+#pragma GCC system_header
+
+constexpr std::chrono::seconds operator"" s(unsigned long long s) {
+ return std::chrono::seconds(s);
+}
+
+constexpr std::chrono::duration<long double> operator"" s(long double s) {
+ return std::chrono::duration<long double>(s);
+}
+
+constexpr std::chrono::milliseconds operator"" ms(unsigned long long ms) {
+ return std::chrono::milliseconds(ms);
+}
+
+constexpr std::chrono::duration<long double, std::milli> operator"" ms(long double ms) {
+ return std::chrono::duration<long double, std::milli>(ms);
+}
+#else
+using namespace std::chrono_literals;
+#endif