src/share/vm/prims/jvmtiManageCapabilities.hpp

changeset 435
a61af66fc99e
child 1907
c18cbe5936b8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/prims/jvmtiManageCapabilities.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,87 @@
     1.4 +/*
     1.5 + * Copyright 2003-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#ifndef _JAVA_JVMTI_MANAGE_CAPABILITIES_H_
    1.29 +#define _JAVA_JVMTI_MANAGE_CAPABILITIES_H_
    1.30 +
    1.31 +
    1.32 +
    1.33 +class JvmtiManageCapabilities : public AllStatic {
    1.34 +
    1.35 +private:
    1.36 +
    1.37 +  // these four capabilities sets represent all potentially
    1.38 +  // available capabilities.  They are disjoint, covering
    1.39 +  // the four cases: (OnLoad vs OnLoad+live phase) X
    1.40 +  // (one environment vs any environment).
    1.41 +  static jvmtiCapabilities always_capabilities;
    1.42 +  static jvmtiCapabilities onload_capabilities;
    1.43 +  static jvmtiCapabilities always_solo_capabilities;
    1.44 +  static jvmtiCapabilities onload_solo_capabilities;
    1.45 +
    1.46 +  // solo capabilities that have not been grabbed
    1.47 +  static jvmtiCapabilities always_solo_remaining_capabilities;
    1.48 +  static jvmtiCapabilities onload_solo_remaining_capabilities;
    1.49 +
    1.50 +  // all capabilities ever acquired
    1.51 +  static jvmtiCapabilities acquired_capabilities;
    1.52 +
    1.53 +  // basic intenal operations
    1.54 +  static jvmtiCapabilities *either(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
    1.55 +  static jvmtiCapabilities *both(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
    1.56 +  static jvmtiCapabilities *exclude(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
    1.57 +  static bool has_some(const jvmtiCapabilities *a);
    1.58 +  static void update();
    1.59 +
    1.60 +  // init functions
    1.61 +  static jvmtiCapabilities init_always_capabilities();
    1.62 +  static jvmtiCapabilities init_onload_capabilities();
    1.63 +  static jvmtiCapabilities init_always_solo_capabilities();
    1.64 +  static jvmtiCapabilities init_onload_solo_capabilities();
    1.65 +
    1.66 +public:
    1.67 +  static void initialize();
    1.68 +
    1.69 +  // may have to adjust always capabilities when VM initialization has completed
    1.70 +  static void recompute_always_capabilities();
    1.71 +
    1.72 +  // queries and actions
    1.73 +  static void get_potential_capabilities(const jvmtiCapabilities *current,
    1.74 +                                         const jvmtiCapabilities *prohibited,
    1.75 +                                         jvmtiCapabilities *result);
    1.76 +  static jvmtiError add_capabilities(const jvmtiCapabilities *current,
    1.77 +                                     const jvmtiCapabilities *prohibited,
    1.78 +                                     const jvmtiCapabilities *desired,
    1.79 +                                     jvmtiCapabilities *result);
    1.80 +  static void relinquish_capabilities(const jvmtiCapabilities *current,
    1.81 +                                      const jvmtiCapabilities *unwanted,
    1.82 +                                      jvmtiCapabilities *result);
    1.83 +  static void copy_capabilities(const jvmtiCapabilities *from, jvmtiCapabilities *to);
    1.84 +
    1.85 +#ifndef PRODUCT
    1.86 +  static void print(const jvmtiCapabilities* caps);
    1.87 +#endif
    1.88 +};
    1.89 +
    1.90 +#endif   /* _JAVA_JVMTI_MANAGE_CAPABILITIES_H_ */

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