diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/share/prims/jvmtiManageCapabilities.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/prims/jvmtiManageCapabilities.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP
+#define SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP
+
+#include "jvmtifiles/jvmti.h"
+#include "memory/allocation.hpp"
+
+class JvmtiManageCapabilities : public AllStatic {
+
+private:
+
+  // these four capabilities sets represent all potentially
+  // available capabilities.  They are disjoint, covering
+  // the four cases: (OnLoad vs OnLoad+live phase) X
+  // (one environment vs any environment).
+  static jvmtiCapabilities always_capabilities;
+  static jvmtiCapabilities onload_capabilities;
+  static jvmtiCapabilities always_solo_capabilities;
+  static jvmtiCapabilities onload_solo_capabilities;
+
+  // solo capabilities that have not been grabbed
+  static jvmtiCapabilities always_solo_remaining_capabilities;
+  static jvmtiCapabilities onload_solo_remaining_capabilities;
+
+  // all capabilities ever acquired
+  static jvmtiCapabilities acquired_capabilities;
+
+  // basic intenal operations
+  static jvmtiCapabilities *either(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
+  static jvmtiCapabilities *both(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
+  static jvmtiCapabilities *exclude(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
+  static bool has_some(const jvmtiCapabilities *a);
+  static void update();
+
+  // init functions
+  static jvmtiCapabilities init_always_capabilities();
+  static jvmtiCapabilities init_onload_capabilities();
+  static jvmtiCapabilities init_always_solo_capabilities();
+  static jvmtiCapabilities init_onload_solo_capabilities();
+
+public:
+  static void initialize();
+
+  // may have to adjust always capabilities when VM initialization has completed
+  static void recompute_always_capabilities();
+
+  // queries and actions
+  static void get_potential_capabilities(const jvmtiCapabilities *current,
+                                         const jvmtiCapabilities *prohibited,
+                                         jvmtiCapabilities *result);
+  static jvmtiError add_capabilities(const jvmtiCapabilities *current,
+                                     const jvmtiCapabilities *prohibited,
+                                     const jvmtiCapabilities *desired,
+                                     jvmtiCapabilities *result);
+  static void relinquish_capabilities(const jvmtiCapabilities *current,
+                                      const jvmtiCapabilities *unwanted,
+                                      jvmtiCapabilities *result);
+  static void copy_capabilities(const jvmtiCapabilities *from, jvmtiCapabilities *to);
+
+#ifndef PRODUCT
+  static void print(const jvmtiCapabilities* caps);
+#endif
+};
+
+#endif // SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP