--- old/src/share/vm/logging/logConfiguration.cpp	2015-10-16 22:52:22.557462700 +0900
+++ new/src/share/vm/logging/logConfiguration.cpp	2015-10-16 22:52:22.391462700 +0900
@@ -35,6 +35,7 @@
 #include "memory/resourceArea.hpp"
 #include "runtime/os.inline.hpp"
 #include "utilities/globalDefinitions.hpp"
+#include "utilities/defaultStream.hpp"
 
 LogOutput** LogConfiguration::_outputs = NULL;
 size_t      LogConfiguration::_n_outputs = 0;
@@ -351,3 +352,21 @@
               "\t Turn off all logging, including warnings and errors,\n"
               "\t and then enable messages tagged with 'rt' using 'trace' level to file 'rttrace.txt'.\n");
 }
+
+void LogConfiguration::rotate_all_logfile() {
+  for (size_t idx = 0; idx < _n_outputs; idx++) {
+    if ((strcmp(_outputs[idx]->name(), "stdout") != 0) &&
+        (strcmp(_outputs[idx]->name(), "stderr") != 0)) {
+      LogFileOutput *logger = (LogFileOutput *)_outputs[idx];
+
+      if (logger->get_archive_name() == NULL) {
+       jio_fprintf(defaultStream::error_stream(),
+        "Could not rotate log file '%s' because filecount option is not set.\n",
+                                                                logger->name());
+      } else {
+        logger->rotate();
+      }
+    }
+  }
+}
+