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72 lines
2.7 KiB
C
72 lines
2.7 KiB
C
/* Magical NSA API -- Associate a C ptr with an instance of an object
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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#ifndef JCL_NATIVE_STATE
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#define JCL_NATIVE_STATE
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#include <jni.h>
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struct state_table
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{
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jint size; /* number of slots, should be prime */
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jfieldID hash; /* field containing System.identityHashCode(this) */
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jclass clazz; /* lock aquired for reading/writing nodes */
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struct state_node **head;
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};
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struct state_node
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{
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jint key;
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void *c_state;
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struct state_node *next;
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};
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struct state_table *cp_gtk_init_state_table_with_size (JNIEnv *, jclass, jint);
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struct state_table *cp_gtk_init_state_table (JNIEnv *, jclass);
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/* lowlevel api */
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void cp_gtk_set_state_oid (JNIEnv *, jobject, struct state_table *, jint, void *);
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void *cp_gtk_get_state_oid (JNIEnv *, jobject, struct state_table *, jint);
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void *cp_gtk_remove_state_oid (JNIEnv *, jobject, struct state_table *, jint);
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/* highlevel api */
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int cp_gtk_set_state (JNIEnv *, jobject, struct state_table *, void *);
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void *cp_gtk_get_state (JNIEnv *, jobject, struct state_table *);
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void *cp_gtk_remove_state_slot (JNIEnv *, jobject, struct state_table *);
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#endif
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