/*+
−
 * Copyright 2003-2007 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.  Sun designates this+
−
 * particular file as subject to the "Classpath" exception as provided+
−
 * by Sun in the LICENSE file that accompanied this code.+
−
 *+
−
 * 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.+
−
 */+
−
+
−
/*+
−
 * Copyright 2003 Wily Technology, Inc.+
−
 */+
−
+
−
#ifndef _REENTRANCY_H_+
−
#define _REENTRANCY_H_+
−
+
−
#include    <jni.h>+
−
+
−
/*+
−
 *  This module provides some utility functions to support the "same thread" re-entrancy management.+
−
 *  Uses JVMTI TLS to store a single bit per thread.+
−
 *  Non-zero means the thread is already inside; zero means the thread is not inside.+
−
 */+
−
+
−
#ifdef __cplusplus+
−
extern "C" {+
−
#endif+
−
+
−
/* returns true if the token is acquired by this call,+
−
 * false if we already hold it and do not have to acquire it+
−
 */+
−
extern jboolean+
−
tryToAcquireReentrancyToken(    jvmtiEnv *  jvmtienv,+
−
                                jthread     thread);+
−
+
−
/* release the token; assumes we already hold it */+
−
extern void+
−
releaseReentrancyToken(         jvmtiEnv *  jvmtienv,+
−
                                jthread     thread);+
−
+
−
+
−
#ifdef __cplusplus+
−
} /* extern "C" */+
−
#endif /* __cplusplus */+
−
+
−
+
−
#endif+
−