1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/prims/jvmtiManageCapabilities.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,88 @@
1.4 +/*
1.5 + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#ifndef SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP
1.29 +#define SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP
1.30 +
1.31 +#include "jvmtifiles/jvmti.h"
1.32 +#include "memory/allocation.hpp"
1.33 +
1.34 +class JvmtiManageCapabilities : public AllStatic {
1.35 +
1.36 +private:
1.37 +
1.38 + // these four capabilities sets represent all potentially
1.39 + // available capabilities. They are disjoint, covering
1.40 + // the four cases: (OnLoad vs OnLoad+live phase) X
1.41 + // (one environment vs any environment).
1.42 + static jvmtiCapabilities always_capabilities;
1.43 + static jvmtiCapabilities onload_capabilities;
1.44 + static jvmtiCapabilities always_solo_capabilities;
1.45 + static jvmtiCapabilities onload_solo_capabilities;
1.46 +
1.47 + // solo capabilities that have not been grabbed
1.48 + static jvmtiCapabilities always_solo_remaining_capabilities;
1.49 + static jvmtiCapabilities onload_solo_remaining_capabilities;
1.50 +
1.51 + // all capabilities ever acquired
1.52 + static jvmtiCapabilities acquired_capabilities;
1.53 +
1.54 + // basic intenal operations
1.55 + static jvmtiCapabilities *either(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
1.56 + static jvmtiCapabilities *both(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
1.57 + static jvmtiCapabilities *exclude(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
1.58 + static bool has_some(const jvmtiCapabilities *a);
1.59 + static void update();
1.60 +
1.61 + // init functions
1.62 + static jvmtiCapabilities init_always_capabilities();
1.63 + static jvmtiCapabilities init_onload_capabilities();
1.64 + static jvmtiCapabilities init_always_solo_capabilities();
1.65 + static jvmtiCapabilities init_onload_solo_capabilities();
1.66 +
1.67 +public:
1.68 + static void initialize();
1.69 +
1.70 + // may have to adjust always capabilities when VM initialization has completed
1.71 + static void recompute_always_capabilities();
1.72 +
1.73 + // queries and actions
1.74 + static void get_potential_capabilities(const jvmtiCapabilities *current,
1.75 + const jvmtiCapabilities *prohibited,
1.76 + jvmtiCapabilities *result);
1.77 + static jvmtiError add_capabilities(const jvmtiCapabilities *current,
1.78 + const jvmtiCapabilities *prohibited,
1.79 + const jvmtiCapabilities *desired,
1.80 + jvmtiCapabilities *result);
1.81 + static void relinquish_capabilities(const jvmtiCapabilities *current,
1.82 + const jvmtiCapabilities *unwanted,
1.83 + jvmtiCapabilities *result);
1.84 + static void copy_capabilities(const jvmtiCapabilities *from, jvmtiCapabilities *to);
1.85 +
1.86 +#ifndef PRODUCT
1.87 + static void print(const jvmtiCapabilities* caps);
1.88 +#endif
1.89 +};
1.90 +
1.91 +#endif // SHARE_VM_PRIMS_JVMTIMANAGECAPABILITIES_HPP
