Fixes memory leaks in the eventhandler

runtime/bin/eventhandler_linux.cc

Index: runtime/bin/eventhandler_linux.cc
diff --git a/runtime/bin/eventhandler_linux.cc b/runtime/bin/eventhandler_linux.cc
index 59cbdcdfe3fb7fee4ed24434c80c77ca5e4cfdb0..bd61e80801878420fc2d86cd18d1171515a97501 100644
--- a/runtime/bin/eventhandler_linux.cc
+++ b/runtime/bin/eventhandler_linux.cc
@@ -127,7 +127,15 @@ EventHandlerImplementation::EventHandlerImplementation()
 }
 
 
+static void DeleteDescriptorInfo(void* info) {
+  DescriptorInfo* di = reinterpret_cast<DescriptorInfo*>(info);
+  di->Close();
+  delete di;
+}
+
+
 EventHandlerImplementation::~EventHandlerImplementation() {
+  socket_map_.Clear(DeleteDescriptorInfo);
   VOID_TEMP_FAILURE_RETRY(close(epoll_fd_));
   VOID_TEMP_FAILURE_RETRY(close(timer_fd_));
   VOID_TEMP_FAILURE_RETRY(close(interrupt_fds_[0]));