xref: /aosp_15_r20/external/oj-libjdwp/src/share/back/ThreadGroupReferenceImpl.c (revision e82f7db8c62aed3c168547abe4f9f4aeceaebfc7)
1*e82f7db8SAndroid Build Coastguard Worker /*
2*e82f7db8SAndroid Build Coastguard Worker  * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
3*e82f7db8SAndroid Build Coastguard Worker  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4*e82f7db8SAndroid Build Coastguard Worker  *
5*e82f7db8SAndroid Build Coastguard Worker  * This code is free software; you can redistribute it and/or modify it
6*e82f7db8SAndroid Build Coastguard Worker  * under the terms of the GNU General Public License version 2 only, as
7*e82f7db8SAndroid Build Coastguard Worker  * published by the Free Software Foundation.  Oracle designates this
8*e82f7db8SAndroid Build Coastguard Worker  * particular file as subject to the "Classpath" exception as provided
9*e82f7db8SAndroid Build Coastguard Worker  * by Oracle in the LICENSE file that accompanied this code.
10*e82f7db8SAndroid Build Coastguard Worker  *
11*e82f7db8SAndroid Build Coastguard Worker  * This code is distributed in the hope that it will be useful, but WITHOUT
12*e82f7db8SAndroid Build Coastguard Worker  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13*e82f7db8SAndroid Build Coastguard Worker  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14*e82f7db8SAndroid Build Coastguard Worker  * version 2 for more details (a copy is included in the LICENSE file that
15*e82f7db8SAndroid Build Coastguard Worker  * accompanied this code).
16*e82f7db8SAndroid Build Coastguard Worker  *
17*e82f7db8SAndroid Build Coastguard Worker  * You should have received a copy of the GNU General Public License version
18*e82f7db8SAndroid Build Coastguard Worker  * 2 along with this work; if not, write to the Free Software Foundation,
19*e82f7db8SAndroid Build Coastguard Worker  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20*e82f7db8SAndroid Build Coastguard Worker  *
21*e82f7db8SAndroid Build Coastguard Worker  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22*e82f7db8SAndroid Build Coastguard Worker  * or visit www.oracle.com if you need additional information or have any
23*e82f7db8SAndroid Build Coastguard Worker  * questions.
24*e82f7db8SAndroid Build Coastguard Worker  */
25*e82f7db8SAndroid Build Coastguard Worker 
26*e82f7db8SAndroid Build Coastguard Worker #include "util.h"
27*e82f7db8SAndroid Build Coastguard Worker #include "ThreadGroupReferenceImpl.h"
28*e82f7db8SAndroid Build Coastguard Worker #include "inStream.h"
29*e82f7db8SAndroid Build Coastguard Worker #include "outStream.h"
30*e82f7db8SAndroid Build Coastguard Worker 
31*e82f7db8SAndroid Build Coastguard Worker static jboolean
name(PacketInputStream * in,PacketOutputStream * out)32*e82f7db8SAndroid Build Coastguard Worker name(PacketInputStream *in, PacketOutputStream *out)
33*e82f7db8SAndroid Build Coastguard Worker {
34*e82f7db8SAndroid Build Coastguard Worker     JNIEnv *env;
35*e82f7db8SAndroid Build Coastguard Worker     jthreadGroup group;
36*e82f7db8SAndroid Build Coastguard Worker 
37*e82f7db8SAndroid Build Coastguard Worker     env = getEnv();
38*e82f7db8SAndroid Build Coastguard Worker 
39*e82f7db8SAndroid Build Coastguard Worker     group = inStream_readThreadGroupRef(env, in);
40*e82f7db8SAndroid Build Coastguard Worker     if (inStream_error(in)) {
41*e82f7db8SAndroid Build Coastguard Worker         return JNI_TRUE;
42*e82f7db8SAndroid Build Coastguard Worker     }
43*e82f7db8SAndroid Build Coastguard Worker 
44*e82f7db8SAndroid Build Coastguard Worker     WITH_LOCAL_REFS(env, 1) {
45*e82f7db8SAndroid Build Coastguard Worker 
46*e82f7db8SAndroid Build Coastguard Worker         jvmtiThreadGroupInfo info;
47*e82f7db8SAndroid Build Coastguard Worker 
48*e82f7db8SAndroid Build Coastguard Worker         (void)memset(&info, 0, sizeof(info));
49*e82f7db8SAndroid Build Coastguard Worker         threadGroupInfo(group, &info);
50*e82f7db8SAndroid Build Coastguard Worker         (void)outStream_writeString(out, info.name == NULL ? "" : info.name);
51*e82f7db8SAndroid Build Coastguard Worker         if ( info.name != NULL )
52*e82f7db8SAndroid Build Coastguard Worker             jvmtiDeallocate(info.name);
53*e82f7db8SAndroid Build Coastguard Worker 
54*e82f7db8SAndroid Build Coastguard Worker     } END_WITH_LOCAL_REFS(env);
55*e82f7db8SAndroid Build Coastguard Worker 
56*e82f7db8SAndroid Build Coastguard Worker     return JNI_TRUE;
57*e82f7db8SAndroid Build Coastguard Worker }
58*e82f7db8SAndroid Build Coastguard Worker 
59*e82f7db8SAndroid Build Coastguard Worker static jboolean
parent(PacketInputStream * in,PacketOutputStream * out)60*e82f7db8SAndroid Build Coastguard Worker parent(PacketInputStream *in, PacketOutputStream *out)
61*e82f7db8SAndroid Build Coastguard Worker {
62*e82f7db8SAndroid Build Coastguard Worker     JNIEnv *env;
63*e82f7db8SAndroid Build Coastguard Worker     jthreadGroup group;
64*e82f7db8SAndroid Build Coastguard Worker 
65*e82f7db8SAndroid Build Coastguard Worker     env = getEnv();
66*e82f7db8SAndroid Build Coastguard Worker 
67*e82f7db8SAndroid Build Coastguard Worker     group = inStream_readThreadGroupRef(env, in);
68*e82f7db8SAndroid Build Coastguard Worker     if (inStream_error(in)) {
69*e82f7db8SAndroid Build Coastguard Worker         return JNI_TRUE;
70*e82f7db8SAndroid Build Coastguard Worker     }
71*e82f7db8SAndroid Build Coastguard Worker 
72*e82f7db8SAndroid Build Coastguard Worker     WITH_LOCAL_REFS(env, 1) {
73*e82f7db8SAndroid Build Coastguard Worker 
74*e82f7db8SAndroid Build Coastguard Worker         jvmtiThreadGroupInfo info;
75*e82f7db8SAndroid Build Coastguard Worker 
76*e82f7db8SAndroid Build Coastguard Worker         (void)memset(&info, 0, sizeof(info));
77*e82f7db8SAndroid Build Coastguard Worker         threadGroupInfo(group, &info);
78*e82f7db8SAndroid Build Coastguard Worker         (void)outStream_writeObjectRef(env, out, info.parent);
79*e82f7db8SAndroid Build Coastguard Worker         if ( info.name != NULL )
80*e82f7db8SAndroid Build Coastguard Worker             jvmtiDeallocate(info.name);
81*e82f7db8SAndroid Build Coastguard Worker 
82*e82f7db8SAndroid Build Coastguard Worker     } END_WITH_LOCAL_REFS(env);
83*e82f7db8SAndroid Build Coastguard Worker 
84*e82f7db8SAndroid Build Coastguard Worker     return JNI_TRUE;
85*e82f7db8SAndroid Build Coastguard Worker }
86*e82f7db8SAndroid Build Coastguard Worker 
87*e82f7db8SAndroid Build Coastguard Worker static jboolean
children(PacketInputStream * in,PacketOutputStream * out)88*e82f7db8SAndroid Build Coastguard Worker children(PacketInputStream *in, PacketOutputStream *out)
89*e82f7db8SAndroid Build Coastguard Worker {
90*e82f7db8SAndroid Build Coastguard Worker      JNIEnv *env;
91*e82f7db8SAndroid Build Coastguard Worker      jthreadGroup group;
92*e82f7db8SAndroid Build Coastguard Worker 
93*e82f7db8SAndroid Build Coastguard Worker      env = getEnv();
94*e82f7db8SAndroid Build Coastguard Worker 
95*e82f7db8SAndroid Build Coastguard Worker      group = inStream_readThreadGroupRef(env, in);
96*e82f7db8SAndroid Build Coastguard Worker      if (inStream_error(in)) {
97*e82f7db8SAndroid Build Coastguard Worker          return JNI_TRUE;
98*e82f7db8SAndroid Build Coastguard Worker      }
99*e82f7db8SAndroid Build Coastguard Worker 
100*e82f7db8SAndroid Build Coastguard Worker      WITH_LOCAL_REFS(env, 1) {
101*e82f7db8SAndroid Build Coastguard Worker 
102*e82f7db8SAndroid Build Coastguard Worker          jvmtiError error;
103*e82f7db8SAndroid Build Coastguard Worker          jint threadCount;
104*e82f7db8SAndroid Build Coastguard Worker          jint groupCount;
105*e82f7db8SAndroid Build Coastguard Worker          jthread *theThreads;
106*e82f7db8SAndroid Build Coastguard Worker          jthread *theGroups;
107*e82f7db8SAndroid Build Coastguard Worker 
108*e82f7db8SAndroid Build Coastguard Worker          error = JVMTI_FUNC_PTR(gdata->jvmti,GetThreadGroupChildren)(gdata->jvmti, group,
109*e82f7db8SAndroid Build Coastguard Worker                                               &threadCount,&theThreads,
110*e82f7db8SAndroid Build Coastguard Worker                                               &groupCount, &theGroups);
111*e82f7db8SAndroid Build Coastguard Worker          if (error != JVMTI_ERROR_NONE) {
112*e82f7db8SAndroid Build Coastguard Worker              outStream_setError(out, map2jdwpError(error));
113*e82f7db8SAndroid Build Coastguard Worker          } else {
114*e82f7db8SAndroid Build Coastguard Worker 
115*e82f7db8SAndroid Build Coastguard Worker              int i;
116*e82f7db8SAndroid Build Coastguard Worker 
117*e82f7db8SAndroid Build Coastguard Worker              /* Squish out all of the debugger-spawned threads */
118*e82f7db8SAndroid Build Coastguard Worker              threadCount = filterDebugThreads(theThreads, threadCount);
119*e82f7db8SAndroid Build Coastguard Worker 
120*e82f7db8SAndroid Build Coastguard Worker              (void)outStream_writeInt(out, threadCount);
121*e82f7db8SAndroid Build Coastguard Worker              for (i = 0; i < threadCount; i++) {
122*e82f7db8SAndroid Build Coastguard Worker                  (void)outStream_writeObjectRef(env, out, theThreads[i]);
123*e82f7db8SAndroid Build Coastguard Worker              }
124*e82f7db8SAndroid Build Coastguard Worker              (void)outStream_writeInt(out, groupCount);
125*e82f7db8SAndroid Build Coastguard Worker              for (i = 0; i < groupCount; i++) {
126*e82f7db8SAndroid Build Coastguard Worker                  (void)outStream_writeObjectRef(env, out, theGroups[i]);
127*e82f7db8SAndroid Build Coastguard Worker              }
128*e82f7db8SAndroid Build Coastguard Worker 
129*e82f7db8SAndroid Build Coastguard Worker              jvmtiDeallocate(theGroups);
130*e82f7db8SAndroid Build Coastguard Worker              jvmtiDeallocate(theThreads);
131*e82f7db8SAndroid Build Coastguard Worker          }
132*e82f7db8SAndroid Build Coastguard Worker 
133*e82f7db8SAndroid Build Coastguard Worker      } END_WITH_LOCAL_REFS(env);
134*e82f7db8SAndroid Build Coastguard Worker 
135*e82f7db8SAndroid Build Coastguard Worker      return JNI_TRUE;
136*e82f7db8SAndroid Build Coastguard Worker }
137*e82f7db8SAndroid Build Coastguard Worker 
138*e82f7db8SAndroid Build Coastguard Worker void *ThreadGroupReference_Cmds[] = { (void *)3,
139*e82f7db8SAndroid Build Coastguard Worker                                       (void *)name,
140*e82f7db8SAndroid Build Coastguard Worker                                       (void *)parent,
141*e82f7db8SAndroid Build Coastguard Worker                                       (void *)children };
142