Mercurial > hg > truffle
diff src/share/vm/prims/jvmtiManageCapabilities.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/prims/jvmtiManageCapabilities.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,87 @@ +/* + * Copyright 2003-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +#ifndef _JAVA_JVMTI_MANAGE_CAPABILITIES_H_ +#define _JAVA_JVMTI_MANAGE_CAPABILITIES_H_ + + + +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 /* _JAVA_JVMTI_MANAGE_CAPABILITIES_H_ */