1/*
2 * Copyright (c) 1998, 2013, 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#include "util.h"
27#include "ThreadGroupReferenceImpl.h"
28#include "inStream.h"
29#include "outStream.h"
30
31static jboolean
32name(PacketInputStream *in, PacketOutputStream *out)
33{
34 JNIEnv *env;
35 jthreadGroup group;
36
37 env = getEnv();
38
39 group = inStream_readThreadGroupRef(env, in);
40 if (inStream_error(in)) {
41 return JNI_TRUE;
42 }
43
44 WITH_LOCAL_REFS(env, 1) {
45
46 jvmtiThreadGroupInfo info;
47
48 (void)memset(&info, 0, sizeof(info));
49 threadGroupInfo(group, &info);
50 (void)outStream_writeString(out, info.name == NULL ? "" : info.name);
51 if ( info.name != NULL )
52 jvmtiDeallocate(info.name);
53
54 } END_WITH_LOCAL_REFS(env);
55
56 return JNI_TRUE;
57}
58
59static jboolean
60parent(PacketInputStream *in, PacketOutputStream *out)
61{
62 JNIEnv *env;
63 jthreadGroup group;
64
65 env = getEnv();
66
67 group = inStream_readThreadGroupRef(env, in);
68 if (inStream_error(in)) {
69 return JNI_TRUE;
70 }
71
72 WITH_LOCAL_REFS(env, 1) {
73
74 jvmtiThreadGroupInfo info;
75
76 (void)memset(&info, 0, sizeof(info));
77 threadGroupInfo(group, &info);
78 (void)outStream_writeObjectRef(env, out, info.parent);
79 if ( info.name != NULL )
80 jvmtiDeallocate(info.name);
81
82 } END_WITH_LOCAL_REFS(env);
83
84 return JNI_TRUE;
85}
86
87static jboolean
88children(PacketInputStream *in, PacketOutputStream *out)
89{
90 JNIEnv *env;
91 jthreadGroup group;
92
93 env = getEnv();
94
95 group = inStream_readThreadGroupRef(env, in);
96 if (inStream_error(in)) {
97 return JNI_TRUE;
98 }
99
100 WITH_LOCAL_REFS(env, 1) {
101
102 jvmtiError error;
103 jint threadCount;
104 jint groupCount;
105 jthread *theThreads;
106 jthread *theGroups;
107
108 error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadGroupChildren)(gdata->jvmti, group,
109 &threadCount,&theThreads,
110 &groupCount, &theGroups);
111 if (error != JVMTI_ERROR_NONE) {
112 outStream_setError(out, map2jdwpError(error));
113 } else {
114
115 int i;
116
117 /* Squish out all of the debugger-spawned threads */
118 threadCount = filterDebugThreads(theThreads, threadCount);
119
120 (void)outStream_writeInt(out, threadCount);
121 for (i = 0; i < threadCount; i++) {
122 (void)outStream_writeObjectRef(env, out, theThreads[i]);
123 }
124 (void)outStream_writeInt(out, groupCount);
125 for (i = 0; i < groupCount; i++) {
126 (void)outStream_writeObjectRef(env, out, theGroups[i]);
127 }
128
129 jvmtiDeallocate(theGroups);
130 jvmtiDeallocate(theThreads);
131 }
132
133 } END_WITH_LOCAL_REFS(env);
134
135 return JNI_TRUE;
136}
137
138void *ThreadGroupReference_Cmds[] = { (void *)3,
139 (void *)name,
140 (void *)parent,
141 (void *)children };
142