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src/share/vm/prims/jvmtiManageCapabilities.hpp@a61af66fc99e (annotated)

src/share/vm/prims/jvmtiManageCapabilities.hpp

Sat, 01 Dec 2007 00:00:00 +0000

author

duke

date

Sat, 01 Dec 2007 00:00:00 +0000

changeset 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

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duke@435	1	/*
duke@435	2	* Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	#ifndef _JAVA_JVMTI_MANAGE_CAPABILITIES_H_
duke@435	26	#define _JAVA_JVMTI_MANAGE_CAPABILITIES_H_
duke@435	27
duke@435	28
duke@435	29
duke@435	30	class JvmtiManageCapabilities : public AllStatic {
duke@435	31
duke@435	32	private:
duke@435	33
duke@435	34	// these four capabilities sets represent all potentially
duke@435	35	// available capabilities. They are disjoint, covering
duke@435	36	// the four cases: (OnLoad vs OnLoad+live phase) X
duke@435	37	// (one environment vs any environment).
duke@435	38	static jvmtiCapabilities always_capabilities;
duke@435	39	static jvmtiCapabilities onload_capabilities;
duke@435	40	static jvmtiCapabilities always_solo_capabilities;
duke@435	41	static jvmtiCapabilities onload_solo_capabilities;
duke@435	42
duke@435	43	// solo capabilities that have not been grabbed
duke@435	44	static jvmtiCapabilities always_solo_remaining_capabilities;
duke@435	45	static jvmtiCapabilities onload_solo_remaining_capabilities;
duke@435	46
duke@435	47	// all capabilities ever acquired
duke@435	48	static jvmtiCapabilities acquired_capabilities;
duke@435	49
duke@435	50	// basic intenal operations
duke@435	51	static jvmtiCapabilities *either(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
duke@435	52	static jvmtiCapabilities *both(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
duke@435	53	static jvmtiCapabilities *exclude(const jvmtiCapabilities *a, const jvmtiCapabilities *b, jvmtiCapabilities *result);
duke@435	54	static bool has_some(const jvmtiCapabilities *a);
duke@435	55	static void update();
duke@435	56
duke@435	57	// init functions
duke@435	58	static jvmtiCapabilities init_always_capabilities();
duke@435	59	static jvmtiCapabilities init_onload_capabilities();
duke@435	60	static jvmtiCapabilities init_always_solo_capabilities();
duke@435	61	static jvmtiCapabilities init_onload_solo_capabilities();
duke@435	62
duke@435	63	public:
duke@435	64	static void initialize();
duke@435	65
duke@435	66	// may have to adjust always capabilities when VM initialization has completed
duke@435	67	static void recompute_always_capabilities();
duke@435	68
duke@435	69	// queries and actions
duke@435	70	static void get_potential_capabilities(const jvmtiCapabilities *current,
duke@435	71	const jvmtiCapabilities *prohibited,
duke@435	72	jvmtiCapabilities *result);
duke@435	73	static jvmtiError add_capabilities(const jvmtiCapabilities *current,
duke@435	74	const jvmtiCapabilities *prohibited,
duke@435	75	const jvmtiCapabilities *desired,
duke@435	76	jvmtiCapabilities *result);
duke@435	77	static void relinquish_capabilities(const jvmtiCapabilities *current,
duke@435	78	const jvmtiCapabilities *unwanted,
duke@435	79	jvmtiCapabilities *result);
duke@435	80	static void copy_capabilities(const jvmtiCapabilities *from, jvmtiCapabilities *to);
duke@435	81
duke@435	82	#ifndef PRODUCT
duke@435	83	static void print(const jvmtiCapabilities* caps);
duke@435	84	#endif
duke@435	85	};
duke@435	86
duke@435	87	#endif /* _JAVA_JVMTI_MANAGE_CAPABILITIES_H_ */