1 /*
2  * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 #ifndef JDWP_EVENTHELPER_H
27 #define JDWP_EVENTHELPER_H
28 
29 #include "bag.h"
30 #include "invoker.h"
31 
32 void eventHelper_initialize(jbyte sessionID);
33 void eventHelper_reset(jbyte sessionID);
34 struct bag *eventHelper_createEventBag(void);
35 
36 void eventHelper_recordEvent(EventInfo *evinfo, jint id,
37                              jbyte suspendPolicy, struct bag *eventBag);
38 void eventHelper_recordClassUnload(jint id, char *signature, struct bag *eventBag);
39 void eventHelper_recordFrameEvent(jint id, jbyte suspendPolicy, EventIndex ei,
40                                   jthread thread, jclass clazz,
41                                   jmethodID method, jlocation location,
42                                   int needReturnValue,
43                                   jvalue returnValue,
44                                   struct bag *eventBag);
45 
46 jbyte eventHelper_reportEvents(jbyte sessionID, struct bag *eventBag);
47 void eventHelper_reportInvokeDone(jbyte sessionID, jthread thread);
48 void eventHelper_reportVMInit(JNIEnv *env, jbyte sessionID, jthread thread, jbyte suspendPolicy);
49 void eventHelper_suspendThread(jbyte sessionID, jthread thread);
50 
51 void eventHelper_holdEvents(void);
52 void eventHelper_releaseEvents(void);
53 
54 void eventHelper_lock(void);
55 void eventHelper_unlock(void);
56 
57 void commandLoop_sync(void); /* commandLoop sync with cbVMDeath */
58 void commandLoop_exitVmDeathLockOnError(void);
59 
60 /*
61  * Private interface for coordinating between eventHelper.c: commandLoop()
62  * and ThreadReferenceImpl.c: resume() and VirtualMachineImpl.c: resume().
63  */
64 void unblockCommandLoop(void);
65 
66 #endif
67