threadreferenceimpl.c

来自「This is a resource based on j2me embedde」· C语言 代码 · 共 684 行 · 第 1/2 页

    return JNI_TRUE;
}

static jboolean 
ownedMonitors(PacketInputStream *in, PacketOutputStream *out)
{
    JNIEnv *env;
    jthread thread;
    
    env = getEnv();
    
    thread = inStream_readThreadRef(env, in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    if (threadControl_isDebugThread(thread)) {
        outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
        return JNI_TRUE;
    }

    if (!validateSuspendedThread(out, thread)) {
        return JNI_TRUE;
    }

    WITH_LOCAL_REFS(env, 1) {
        
        jvmtiError error;
        jint count = 0;
        jobject *monitors = NULL;
        
        error = JVMTI_FUNC_PTR(gdata->jvmti,GetOwnedMonitorInfo)
                                (gdata->jvmti, thread, &count, &monitors);
        if (error != JVMTI_ERROR_NONE) {
            outStream_setError(out, map2jdwpError(error));
        } else {
            int i;
            (void)outStream_writeInt(out, count);
            for (i = 0; i < count; i++) {
                jobject monitor = monitors[i];
                (void)outStream_writeByte(out, specificTypeKey(env, monitor));
                (void)outStream_writeObjectRef(env, out, monitor);
            }
        }
        if (monitors != NULL)
            jvmtiDeallocate(monitors);

    } END_WITH_LOCAL_REFS(env);
    
    return JNI_TRUE;
}

static jboolean 
currentContendedMonitor(PacketInputStream *in, PacketOutputStream *out)
{
    JNIEnv *env;
    jthread thread;
    
    env = getEnv();
    
    thread = inStream_readThreadRef(env, in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    if (threadControl_isDebugThread(thread)) {
        outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
        return JNI_TRUE;
    }

    if (!validateSuspendedThread(out, thread)) {
        return JNI_TRUE;
    }

    WITH_LOCAL_REFS(env, 1) {
        
        jobject monitor;
        jvmtiError error;
        
        error = JVMTI_FUNC_PTR(gdata->jvmti,GetCurrentContendedMonitor)
                                (gdata->jvmti, thread, &monitor);
        
        if (error != JVMTI_ERROR_NONE) {
            outStream_setError(out, map2jdwpError(error));
        } else {
            (void)outStream_writeByte(out, specificTypeKey(env, monitor));
            (void)outStream_writeObjectRef(env, out, monitor);
        }
    
    } END_WITH_LOCAL_REFS(env);
    
    return JNI_TRUE;
}

static jboolean 
stop(PacketInputStream *in, PacketOutputStream *out) 
{
    jvmtiError error;
    jthread thread;
    jobject throwable;
    JNIEnv *env;
    
    env = getEnv();
    thread = inStream_readThreadRef(env, in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }
    throwable = inStream_readObjectRef(env, in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    if (threadControl_isDebugThread(thread)) {
        outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
        return JNI_TRUE;
    }

    error = threadControl_stop(thread, throwable);
    if (error != JVMTI_ERROR_NONE) {
        outStream_setError(out, map2jdwpError(error));
    }
    return JNI_TRUE;
}

static jboolean 
interrupt(PacketInputStream *in, PacketOutputStream *out) 
{
    jvmtiError error;
    jthread thread;
    
    thread = inStream_readThreadRef(getEnv(), in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    if (threadControl_isDebugThread(thread)) {
        outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
        return JNI_TRUE;
    }

    error = threadControl_interrupt(thread);
    if (error != JVMTI_ERROR_NONE) {
        outStream_setError(out, map2jdwpError(error));
    }
    return JNI_TRUE;
}

static jboolean 
suspendCount(PacketInputStream *in, PacketOutputStream *out) 
{
    jvmtiError error;
    jint count;
    jthread thread;
    
    thread = inStream_readThreadRef(getEnv(), in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    if (threadControl_isDebugThread(thread)) {
        outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
        return JNI_TRUE;
    }

    error = threadControl_suspendCount(thread, &count);
    if (error != JVMTI_ERROR_NONE) {
        outStream_setError(out, map2jdwpError(error));
        return JNI_TRUE;
    }

    (void)outStream_writeInt(out, count);
    return JNI_TRUE;
}

static jboolean 
ownedMonitorsWithStackDepth(PacketInputStream *in, PacketOutputStream *out)
{
    JNIEnv *env;
    jthread thread;
    
    thread = inStream_readThreadRef(getEnv(), in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    if (threadControl_isDebugThread(thread)) {
        outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
        return JNI_TRUE;
    }

    if (!validateSuspendedThread(out, thread)) {
        return JNI_TRUE;
    }

    env = getEnv();
    
    WITH_LOCAL_REFS(env, 1) {
        
        jvmtiError error = JVMTI_ERROR_NONE;
        jint count = 0;
        jvmtiMonitorStackDepthInfo *monitors=NULL;
        
        error = JVMTI_FUNC_PTR(gdata->jvmti,GetOwnedMonitorStackDepthInfo)
                                (gdata->jvmti, thread, &count, &monitors);

        if (error != JVMTI_ERROR_NONE) {
            outStream_setError(out, map2jdwpError(error));
        } else {
            int i;
            (void)outStream_writeInt(out, count);
            for (i = 0; i < count; i++) {
                jobject monitor = monitors[i].monitor;
                (void)outStream_writeByte(out, specificTypeKey(env, monitor));
                (void)outStream_writeObjectRef(getEnv(), out, monitor);
                (void)outStream_writeInt(out,monitors[i].stack_depth);
            }
        }
        if (monitors != NULL) {
            jvmtiDeallocate(monitors);
        }

    } END_WITH_LOCAL_REFS(env);
    
    return JNI_TRUE;
}

static jboolean 
forceEarlyReturn(PacketInputStream *in, PacketOutputStream *out) 
{
    JNIEnv *env;
    jthread thread;
    jvalue value;
    jbyte typeKey;
    jvmtiError error;

    env = getEnv();
    thread = inStream_readThreadRef(env, in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    if (threadControl_isDebugThread(thread)) {
        outStream_setError(out, JDWP_ERROR(INVALID_THREAD));
        return JNI_TRUE;
    }

    typeKey = inStream_readByte(in);
    if (inStream_error(in)) {
        return JNI_TRUE;
    }

    if (isObjectTag(typeKey)) {
        value.l = inStream_readObjectRef(env, in);
        error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnObject)
                        (gdata->jvmti, thread, value.l);
    } else {
        switch (typeKey) {
            case JDWP_TAG(VOID):
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnVoid)
                                (gdata->jvmti, thread);
                break;
            case JDWP_TAG(BYTE):
                value.b = inStream_readByte(in);
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
                                (gdata->jvmti, thread, value.b);
                break;
    
            case JDWP_TAG(CHAR):
                value.c = inStream_readChar(in);
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
                                (gdata->jvmti, thread, value.c);
                break;
    
            case JDWP_TAG(FLOAT):
                value.f = inStream_readFloat(in);
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnFloat)
                                (gdata->jvmti, thread, value.f);
                break;
    
            case JDWP_TAG(DOUBLE):
                value.d = inStream_readDouble(in);
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnDouble)
                                (gdata->jvmti, thread, value.d);
                break;
    
            case JDWP_TAG(INT):
                value.i = inStream_readInt(in);
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
                                (gdata->jvmti, thread, value.i);
                break;
    
            case JDWP_TAG(LONG):
                value.j = inStream_readLong(in);
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnLong)
                                (gdata->jvmti, thread, value.j);
                break;
    
            case JDWP_TAG(SHORT):
                value.s = inStream_readShort(in);
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
                                (gdata->jvmti, thread, value.s);
                break;
    
            case JDWP_TAG(BOOLEAN):
                value.z = inStream_readBoolean(in);
                error = JVMTI_FUNC_PTR(gdata->jvmti,ForceEarlyReturnInt)
                                (gdata->jvmti, thread, value.z);
                break;
    
            default:
              error = JDWP_ERROR(INVALID_TAG);
              break;
        }
    }
    {
      jdwpError serror = map2jdwpError(error);
      if (serror != JDWP_ERROR(NONE)) {
        outStream_setError(out, serror);
      }
    }
    return JNI_TRUE;
}


void *ThreadReference_Cmds[] = { (void *)14,
    (void *)name,
    (void *)suspend,
    (void *)resume,
    (void *)status,
    (void *)threadGroup,
    (void *)frames,
    (void *)getFrameCount,
    (void *)ownedMonitors,
    (void *)currentContendedMonitor,
    (void *)stop,
    (void *)interrupt,
    (void *)suspendCount,
    (void *)ownedMonitorsWithStackDepth,
    (void *)forceEarlyReturn
    };