--- a/src/hotspot/os/posix/os_posix.cpp	Tue Jul 17 12:03:10 2018 -0700
+++ b/src/hotspot/os/posix/os_posix.cpp	Tue Jul 17 15:59:47 2018 -0400
@@ -35,6 +35,7 @@
 #include "utilities/macros.hpp"
 #include "utilities/vmError.hpp"
 
+#include <dirent.h>
 #include <dlfcn.h>
 #include <pthread.h>
 #include <signal.h>
@@ -527,6 +528,21 @@
   ::funlockfile(fp);
 }
 
+DIR* os::opendir(const char* dirname) {
+  assert(dirname != NULL, "just checking");
+  return ::opendir(dirname);
+}
+
+struct dirent* os::readdir(DIR* dirp) {
+  assert(dirp != NULL, "just checking");
+  return ::readdir(dirp);
+}
+
+int os::closedir(DIR *dirp) {
+  assert(dirp != NULL, "just checking");
+  return ::closedir(dirp);
+}
+
 // Builds a platform dependent Agent_OnLoad_<lib_name> function name
 // which is used to find statically linked in agents.
 // Parameters: