tdf#84323: Make osl::Thread::wait more readable

Change-Id: I33eb6970050a103404344c7f16dd33349c154347
Reviewed-on: https://gerrit.libreoffice.org/15018Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>

cppuhelper/source/bootstrap.cxx

@@ -19,6 +19,7 @@
 
 #include <sal/config.h>
 
+#include <chrono>
 #include <cstring>
 
 #include <rtl/process.h>
@@ -211,8 +212,7 @@ Reference< XComponentContext > SAL_CALL bootstrap()
             catch ( connection::NoConnectException & )
             {
                 // wait 500 ms, then try to connect again
-                TimeValue tv = { 0 /* secs */, 500000000 /* nanosecs */ };
-                ::osl::Thread::wait( tv );
+                ::osl::Thread::wait( std::chrono::milliseconds(500) );
             }
         }
     }

include/osl/time.h

@@ -22,13 +22,13 @@
 
 #include <sal/config.h>
 
+#if defined LIBO_INTERNAL_ONLY && defined __cplusplus
+#include <chrono>
+#endif
+
 #include <sal/saldllapi.h>
 #include <sal/types.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /****************************************************************************/
 /* TimeValue                                                                */
 /****************************************************************************/
@@ -39,15 +39,52 @@ extern "C" {
 
 /* Time since Jan-01-1970 */
 
+#if defined LIBO_INTERNAL_ONLY && defined __cplusplus
+
+struct TimeValue {
+    TimeValue() = default;
+
+    SAL_CONSTEXPR TimeValue(sal_uInt32 seconds, sal_uInt32 nanoseconds):
+        Seconds(seconds), Nanosec(nanoseconds) {}
+
+    template<typename Rep, typename Period> SAL_CONSTEXPR
+    TimeValue(std::chrono::duration<Rep, Period> const & duration):
+        Seconds(
+            std::chrono::duration_cast<std::chrono::nanoseconds>(
+                duration).count() / 1000000000),
+        Nanosec(
+            std::chrono::duration_cast<std::chrono::nanoseconds>(
+                duration).count() % 1000000000)
+    {}
+
+    sal_uInt32 Seconds;
+    sal_uInt32 Nanosec;
+};
+
+#else
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct {
     sal_uInt32 Seconds;
     sal_uInt32 Nanosec;
 } TimeValue;
 
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
 #if defined(SAL_W32)
 #   pragma pack(pop)
 #endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 /****************************************************************************/
 /* oslDateTime */

include/salhelper/timer.hxx

@@ -56,11 +56,9 @@ struct TTimeValue : public TimeValue
         normalize();
     }
 
-    TTimeValue( const TTimeValue& rTimeValue )
+    TTimeValue( const TTimeValue& rTimeValue ):
+        TimeValue(rTimeValue)
     {
-        Seconds = rTimeValue.Seconds;
-        Nanosec = rTimeValue.Nanosec;
-
         normalize();
     }