| 1 | /*
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| 2 | * Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved.
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| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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| 4 | *
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| 5 | * This code is free software; you can redistribute it and/or modify it
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| 6 | * under the terms of the GNU General Public License version 2 only, as
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| 7 | * published by the Free Software Foundation. Oracle designates this
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| 8 | * particular file as subject to the "Classpath" exception as provided
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| 9 | * by Oracle in the LICENSE file that accompanied this code.
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| 10 | *
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| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT
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| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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| 14 | * version 2 for more details (a copy is included in the LICENSE file that
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| 15 | * accompanied this code).
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License version
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| 18 | * 2 along with this work; if not, write to the Free Software Foundation,
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| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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| 20 | *
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| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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| 22 | * or visit www.oracle.com if you need additional information or have any
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| 23 | * questions.
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| 24 | */
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| 25 |
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| 26 | #include "util.h"
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| 27 | #include "ThreadGroupReferenceImpl.h"
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| 28 | #include "inStream.h"
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| 29 | #include "outStream.h"
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| 30 |
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| 31 | static jboolean
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| 32 | name(PacketInputStream *in, PacketOutputStream *out)
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| 33 | {
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| 34 | JNIEnv *env;
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| 35 | jthreadGroup group;
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| 36 |
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| 37 | env = getEnv();
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| 38 |
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| 39 | group = inStream_readThreadGroupRef(env, in);
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| 40 | if (inStream_error(in)) {
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| 41 | return JNI_TRUE;
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| 42 | }
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| 43 |
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| 44 | WITH_LOCAL_REFS(env, 1) {
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| 45 |
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| 46 | jvmtiThreadGroupInfo info;
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| 47 |
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| 48 | (void)memset(&info, 0, sizeof(info));
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| 49 | threadGroupInfo(group, &info);
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| 50 | (void)outStream_writeString(out, info.name);
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| 51 | if ( info.name != NULL )
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| 52 | jvmtiDeallocate(info.name);
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| 53 |
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| 54 | } END_WITH_LOCAL_REFS(env);
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| 55 |
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| 56 | return JNI_TRUE;
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| 57 | }
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| 58 |
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| 59 | static jboolean
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| 60 | parent(PacketInputStream *in, PacketOutputStream *out)
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| 61 | {
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| 62 | JNIEnv *env;
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| 63 | jthreadGroup group;
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| 64 |
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| 65 | env = getEnv();
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| 66 |
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| 67 | group = inStream_readThreadGroupRef(env, in);
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| 68 | if (inStream_error(in)) {
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| 69 | return JNI_TRUE;
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| 70 | }
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| 71 |
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| 72 | WITH_LOCAL_REFS(env, 1) {
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| 73 |
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| 74 | jvmtiThreadGroupInfo info;
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| 75 |
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| 76 | (void)memset(&info, 0, sizeof(info));
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| 77 | threadGroupInfo(group, &info);
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| 78 | (void)outStream_writeObjectRef(env, out, info.parent);
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| 79 | if ( info.name != NULL )
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| 80 | jvmtiDeallocate(info.name);
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| 81 |
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| 82 | } END_WITH_LOCAL_REFS(env);
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| 83 |
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| 84 | return JNI_TRUE;
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| 85 | }
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| 86 |
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| 87 | static jboolean
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| 88 | children(PacketInputStream *in, PacketOutputStream *out)
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| 89 | {
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| 90 | JNIEnv *env;
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| 91 | jthreadGroup group;
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| 92 |
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| 93 | env = getEnv();
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| 94 |
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| 95 | group = inStream_readThreadGroupRef(env, in);
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| 96 | if (inStream_error(in)) {
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| 97 | return JNI_TRUE;
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| 98 | }
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| 99 |
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| 100 | WITH_LOCAL_REFS(env, 1) {
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| 101 |
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| 102 | jvmtiError error;
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| 103 | jint threadCount;
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| 104 | jint groupCount;
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| 105 | jthread *theThreads;
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| 106 | jthread *theGroups;
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| 107 |
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| 108 | error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadGroupChildren)(gdata->jvmti, group,
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| 109 | &threadCount,&theThreads,
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| 110 | &groupCount, &theGroups);
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| 111 | if (error != JVMTI_ERROR_NONE) {
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| 112 | outStream_setError(out, map2jdwpError(error));
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| 113 | } else {
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| 114 |
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| 115 | int i;
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| 116 |
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| 117 | /* Squish out all of the debugger-spawned threads */
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| 118 | threadCount = filterDebugThreads(theThreads, threadCount);
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| 119 |
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| 120 | (void)outStream_writeInt(out, threadCount);
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| 121 | for (i = 0; i < threadCount; i++) {
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| 122 | (void)outStream_writeObjectRef(env, out, theThreads[i]);
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| 123 | }
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| 124 | (void)outStream_writeInt(out, groupCount);
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| 125 | for (i = 0; i < groupCount; i++) {
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| 126 | (void)outStream_writeObjectRef(env, out, theGroups[i]);
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| 127 | }
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| 128 |
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| 129 | jvmtiDeallocate(theGroups);
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| 130 | jvmtiDeallocate(theThreads);
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| 131 | }
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| 132 |
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| 133 | } END_WITH_LOCAL_REFS(env);
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| 134 |
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| 135 | return JNI_TRUE;
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| 136 | }
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| 137 |
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| 138 | void *ThreadGroupReference_Cmds[] = { (void *)3,
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| 139 | (void *)name,
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| 140 | (void *)parent,
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| 141 | (void *)children };
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