http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_c/foo2/private/src/foo2.c
----------------------------------------------------------------------
diff --git a/examples/services_example_c/foo2/private/src/foo2.c 
b/examples/services_example_c/foo2/private/src/foo2.c
new file mode 100644
index 0000000..932d42d
--- /dev/null
+++ b/examples/services_example_c/foo2/private/src/foo2.c
@@ -0,0 +1,109 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+
+#include "foo2.h"
+
+#include "array_list.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <pthread.h>
+#include <assert.h>
+
+
+#define OK 0
+#define ERROR 1
+
+static void* foo2_thread(void*);
+
+struct foo2_struct {
+    array_list_pt examples;
+    pthread_t thread;
+    bool running;
+};
+
+foo2_t* foo2_create(void) {
+    foo2_t *self = calloc(1, sizeof(*self));
+    if (self != NULL) {
+        self->examples = NULL;
+        arrayList_create(&self->examples);
+        self->running = false;
+    } else {
+        //log error
+    }
+    return self;
+};
+
+void foo2_destroy(foo2_t *self) {
+    assert(!self->running);
+    arrayList_destroy(self->examples);
+    free(self);
+}
+
+int foo2_start(foo2_t *self) {
+    self->running = true;
+    pthread_create(&self->thread, NULL, foo2_thread, self);
+    return OK;
+}
+
+int foo2_stop(foo2_t *self) {
+    self->running = false;
+    pthread_kill(self->thread, SIGUSR1);
+    pthread_join(self->thread, NULL);
+    return OK;
+}
+
+int foo2_addExample(foo2_t *self, const example_t *example) {
+    //NOTE foo2 is suspended -> thread is not running  -> safe to update
+    int status = OK;
+    status = arrayList_add(self->examples, (void *)example);
+    return status;
+}
+
+int foo2_removeExample(foo2_t *self, const example_t *example) {
+    //NOTE foo2 is suspended -> thread is not running  -> safe to update
+    int status = OK;
+    status = arrayList_removeElement(self->examples, (void*)example);
+    return status;
+}
+
+static void* foo2_thread(void *userdata) {
+    foo2_t *self = userdata;
+    double result;
+    int rc;
+    while (self->running) {
+        unsigned int size = arrayList_size(self->examples);
+        int i;
+        for (i = 0; i < size; i += 1) {
+            const example_t* example = arrayList_get(self->examples, i);
+            rc = example->method(example->handle, 1, 2.0, &result);
+            if (rc == 0) {
+                printf("Result is %f\n", result);
+            } else {
+                printf("Error invoking method for example\n");
+            }
+        }
+        usleep(10000000);
+    }
+    return NULL;
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_c/foo2/private/src/foo2_activator.c
----------------------------------------------------------------------
diff --git a/examples/services_example_c/foo2/private/src/foo2_activator.c 
b/examples/services_example_c/foo2/private/src/foo2_activator.c
new file mode 100644
index 0000000..0f61e9a
--- /dev/null
+++ b/examples/services_example_c/foo2/private/src/foo2_activator.c
@@ -0,0 +1,88 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+
+#include "dm_activator.h"
+#include "foo2.h"
+
+#include <stdlib.h>
+
+struct activator {
+       foo2_t *foo;
+};
+
+celix_status_t dm_create(bundle_context_pt context, void **userData) {
+       celix_status_t status = CELIX_SUCCESS;
+       struct activator *act = calloc(1, sizeof(*act));
+       if (act != NULL) {
+               act->foo = foo2_create();
+        if (act->foo != NULL) {
+            *userData = act;
+        } else {
+            free(act);
+        }
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t dm_init(void *userData, bundle_context_pt context, 
dm_dependency_manager_pt manager) {
+    celix_status_t status = CELIX_SUCCESS;
+       struct activator *activator = userData;
+
+       dm_component_pt cmp = NULL;
+       component_create(context, "FOO2", &cmp);
+       component_setImplementation(cmp, activator->foo);
+
+       /*
+       With the component_setCallbacksSafe we register callbacks when a 
component is started / stopped using a component
+        with type foo1_t*
+       */
+    component_setCallbacksSafe(cmp, foo2_t*, NULL, foo2_start, foo2_stop, 
NULL);
+
+       dm_service_dependency_pt dep = NULL;
+       serviceDependency_create(&dep);
+       serviceDependency_setRequired(dep, false);
+       serviceDependency_setService(dep, EXAMPLE_NAME, EXAMPLE_CONSUMER_RANGE, 
NULL);
+       serviceDependency_setStrategy(dep, 
DM_SERVICE_DEPENDENCY_STRATEGY_SUSPEND);
+
+       /*
+       With the serviceDependency_setCallbacksSafe we register callbacks when 
a service
+       is added and about to be removed for the component type foo1_t* and 
service type example_t*.
+
+       We should protect the usage of the
+       service because after removal of the service the memory location of 
that service
+       could be freed
+       */
+    serviceDependency_setCallbacksSafe(dep, foo2_t*, const example_t*, NULL, 
foo2_addExample, foo2_removeExample, NULL, NULL);
+       component_addServiceDependency(cmp, dep);
+
+       dependencyManager_add(manager, cmp);
+
+    return status;
+}
+
+celix_status_t dm_destroy(void *userData, bundle_context_pt context, 
dm_dependency_manager_pt manager) {
+       celix_status_t status = CELIX_SUCCESS;
+       struct activator *activator = userData;
+       foo2_destroy(activator->foo);
+       free(activator);
+       return status;
+};
+

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/CMakeLists.txt
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/CMakeLists.txt 
b/examples/services_example_cxx/CMakeLists.txt
new file mode 100644
index 0000000..b74c454
--- /dev/null
+++ b/examples/services_example_cxx/CMakeLists.txt
@@ -0,0 +1,46 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+if (BUILD_DEPENDENCY_MANAGER_CXX)
+
+    set(CMAKE_CXX_FLAGS "-Wall -Werror -fno-rtti -fno-exceptions 
${CMAKE_CXX_FLAGS}")
+
+    include_directories(
+            ${PROJECT_SOURCE_DIR}/dependency_manager/public/include
+            ${PROJECT_SOURCE_DIR}/dependency_manager_cxx/include
+            ${PROJECT_SOURCE_DIR}/utils/public/include
+            api
+    )
+
+    add_subdirectory(bar)
+    add_subdirectory(foo)
+    add_subdirectory(baz)
+
+    add_deploy(services_example_cxx
+        GROUP services_example
+        COPY
+        BUNDLES
+            shell
+            shell_tui
+            dm_shell
+            bar_cxx
+            foo_cxx
+            baz_cxx
+        PROPERTIES
+            example=value
+    )
+
+endif ()

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/api/IAnotherExample.h
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/api/IAnotherExample.h 
b/examples/services_example_cxx/api/IAnotherExample.h
new file mode 100644
index 0000000..dfddb23
--- /dev/null
+++ b/examples/services_example_cxx/api/IAnotherExample.h
@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef IANOTHER_EXAMPLE_H
+#define IANOTHER_EXAMPLE_H
+
+#define IANOTHER_EXAMPLE_VERSION "1.0.0"
+#define IANOTHER_EXAMPLE_CONSUMER_RANGE "[1.0.0,2.0.0)"
+
+class IAnotherExample {
+protected:
+    IAnotherExample() = default;
+public:
+    virtual double method(int arg1, double arg2) = 0;
+};
+
+#endif //IANOTHER_EXAMPLE_H

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/api/example.h
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/api/example.h 
b/examples/services_example_cxx/api/example.h
new file mode 100644
index 0000000..68ce0e3
--- /dev/null
+++ b/examples/services_example_cxx/api/example.h
@@ -0,0 +1,43 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+
+#ifndef EXAMPLE_H_
+#define EXAMPLE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define EXAMPLE_NAME                   "org.example"
+#define EXAMPLE_VERSION                "1.0.0"
+#define EXAMPLE_CONSUMER_RANGE   "[1.0.0,2.0.0)"
+
+
+struct example_struct {
+       void *handle;
+       int (*method)(void *handle, int arg1, double arg2, double *result);
+} ;
+
+typedef struct example_struct example_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* EXAMPLE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/bar/CMakeLists.txt
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/bar/CMakeLists.txt 
b/examples/services_example_cxx/bar/CMakeLists.txt
new file mode 100644
index 0000000..d43b1b5
--- /dev/null
+++ b/examples/services_example_cxx/bar/CMakeLists.txt
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+include_directories(
+        private/include
+)
+
+add_bundle(bar_cxx
+    SYMBOLIC_NAME Bar
+    VERSION 1.0.0
+    SOURCES
+        private/src/Bar.cc
+        private/src/BarActivator.cc
+)
+
+IF(APPLE)
+    target_link_libraries(bar_cxx celix_framework -Wl,-all_load 
dependency_manager_cxx_static)
+else()
+    if(ENABLE_ADDRESS_SANITIZER)
+        #With asan there can be undefined symbols
+        target_link_libraries(bar_cxx -Wl,--whole-archive 
dependency_manager_cxx_static -Wl,--no-whole-archive celix_framework)
+    else()
+        target_link_libraries(bar_cxx -Wl,--no-undefined -Wl,--whole-archive 
dependency_manager_cxx_static -Wl,--no-whole-archive celix_framework)
+    endif()
+endif()
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/bar/private/include/Bar.h
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/bar/private/include/Bar.h 
b/examples/services_example_cxx/bar/private/include/Bar.h
new file mode 100644
index 0000000..c7b0955
--- /dev/null
+++ b/examples/services_example_cxx/bar/private/include/Bar.h
@@ -0,0 +1,40 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef BAR_H
+#define BAR_H
+
+#include "IAnotherExample.h"
+
+class Bar : public IAnotherExample {
+    const double seed = 42;
+public:
+    Bar() = default;
+    virtual ~Bar() = default;
+
+    void init();
+    void start();
+    void stop();
+    void deinit();
+
+    virtual double method(int arg1, double arg2); //implementation of 
IAnotherExample::method
+    int cMethod(int arg1, double arg2, double *out); //implementation of 
example_t->method;
+};
+
+#endif //BAR_H

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/bar/private/include/BarActivator.h
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/bar/private/include/BarActivator.h 
b/examples/services_example_cxx/bar/private/include/BarActivator.h
new file mode 100644
index 0000000..1710f10
--- /dev/null
+++ b/examples/services_example_cxx/bar/private/include/BarActivator.h
@@ -0,0 +1,36 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef BAR_ACTIVATOR_H
+#define BAR_ACTIVATOR_H
+
+#include "celix/dm/DmActivator.h"
+#include "example.h"
+
+using namespace celix::dm;
+
+class BarActivator : public DmActivator {
+private:
+    example_t cExample;
+public:
+    BarActivator(DependencyManager& mng) : DmActivator(mng) {}
+    virtual void init();
+};
+
+#endif //BAR_ACTIVATOR_H

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/bar/private/src/Bar.cc
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/bar/private/src/Bar.cc 
b/examples/services_example_cxx/bar/private/src/Bar.cc
new file mode 100644
index 0000000..7490005
--- /dev/null
+++ b/examples/services_example_cxx/bar/private/src/Bar.cc
@@ -0,0 +1,48 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "Bar.h"
+#include <iostream>
+
+void Bar::init() {
+    std::cout << "init Bar\n";
+}
+
+void Bar::start() {
+    std::cout << "start Bar\n";
+}
+
+void Bar::stop() {
+    std::cout << "stop Bar\n";
+}
+
+void Bar::deinit() {
+    std::cout << "deinit Bar\n";
+}
+
+double Bar::method(int arg1, double arg2) {
+    double update = (this->seed + arg1) * arg2;
+    return update;
+}
+
+int Bar::cMethod(int arg1, double arg2, double *out) {
+    double r = this->method(arg1, arg2);
+    *out = r;
+    return 0;
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/bar/private/src/BarActivator.cc
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/bar/private/src/BarActivator.cc 
b/examples/services_example_cxx/bar/private/src/BarActivator.cc
new file mode 100644
index 0000000..93b72be
--- /dev/null
+++ b/examples/services_example_cxx/bar/private/src/BarActivator.cc
@@ -0,0 +1,49 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "Bar.h"
+#include "BarActivator.h"
+
+using namespace celix::dm;
+
+DmActivator* DmActivator::create(DependencyManager& mng) {
+    return new BarActivator(mng);
+}
+
+void BarActivator::init() {
+    std::shared_ptr<Bar> bar = std::shared_ptr<Bar>{new Bar{}};
+    std::cout << "bar pointer is " << bar.get() << "\n";
+
+    Properties props;
+    props["meta.info.key"] = "meta.info.value";
+
+    Properties cProps;
+    cProps["also.meta.info.key"] = "also.meta.info.value";
+
+    this->cExample.handle = bar.get();
+    this->cExample.method = [](void *handle, int arg1, double arg2, double 
*out) {
+        Bar* bar = static_cast<Bar*>(handle);
+        return bar->cMethod(arg1, arg2, out);
+    };
+
+    createComponent(bar)  //using a pointer a instance. Also supported is lazy 
initialization (default constructor needed) or a rvalue reference (move)
+        .addInterface<IAnotherExample>(IANOTHER_EXAMPLE_VERSION, props)
+        .addCInterface(&this->cExample, EXAMPLE_NAME, EXAMPLE_VERSION, cProps)
+        .setCallbacks(&Bar::init, &Bar::start, &Bar::stop, &Bar::deinit);
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/baz/CMakeLists.txt
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/baz/CMakeLists.txt 
b/examples/services_example_cxx/baz/CMakeLists.txt
new file mode 100644
index 0000000..23ae7e4
--- /dev/null
+++ b/examples/services_example_cxx/baz/CMakeLists.txt
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+include_directories(
+        private/include
+)
+
+add_bundle(baz_cxx
+    SYMBOLIC_NAME Baz
+    VERSION 1.0.0
+    SOURCES
+        private/src/Baz.cc
+        private/src/BazActivator.cc
+)
+
+IF(APPLE)
+    target_link_libraries(baz_cxx celix_framework -Wl,-all_load 
dependency_manager_cxx_static)
+else()
+    if(ENABLE_ADDRESS_SANITIZER)
+        #With asan there can be undefined symbols
+        target_link_libraries(baz_cxx -Wl,--whole-archive 
dependency_manager_cxx_static -Wl,--no-whole-archive celix_framework)
+    else()
+        target_link_libraries(baz_cxx -Wl,--no-undefined -Wl,--whole-archive 
dependency_manager_cxx_static -Wl,--no-whole-archive celix_framework)
+    endif()
+endif()

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/baz/private/include/Baz.h
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/baz/private/include/Baz.h 
b/examples/services_example_cxx/baz/private/include/Baz.h
new file mode 100644
index 0000000..d881627
--- /dev/null
+++ b/examples/services_example_cxx/baz/private/include/Baz.h
@@ -0,0 +1,54 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef BAZ_H
+#define BAZ_H
+
+#include "example.h"
+#include "IAnotherExample.h"
+#include <thread>
+#include <list>
+#include <mutex>
+
+class Baz  {
+    std::list<IAnotherExample*> examples {};
+    std::mutex lock_for_examples {};
+
+    std::list<const example_t*> cExamples {};
+    std::mutex lock_for_cExamples {};
+
+    std::thread pollThread {};
+    bool running = false;
+public:
+    Baz() = default;
+    virtual ~Baz() = default;
+
+    void start();
+    void stop();
+
+    void addAnotherExample(IAnotherExample* e);
+    void removeAnotherExample(IAnotherExample* e);
+
+    void addExample(const example_t* e);
+    void removeExample(const example_t* e);
+
+    void poll();
+};
+
+#endif //BAZ_H

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/baz/private/include/BazActivator.h
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/baz/private/include/BazActivator.h 
b/examples/services_example_cxx/baz/private/include/BazActivator.h
new file mode 100644
index 0000000..eaac934
--- /dev/null
+++ b/examples/services_example_cxx/baz/private/include/BazActivator.h
@@ -0,0 +1,34 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef BAZ_ACTIVATOR_H
+#define BAZ_ACTIVATOR_H
+
+#include "celix/dm/DmActivator.h"
+
+using namespace celix::dm;
+
+class BazActivator : public DmActivator {
+private:
+public:
+    BazActivator(DependencyManager& mng) : DmActivator(mng) {}
+    virtual void init();
+};
+
+#endif //BAZ_ACTIVATOR_H

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/baz/private/src/Baz.cc
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/baz/private/src/Baz.cc 
b/examples/services_example_cxx/baz/private/src/Baz.cc
new file mode 100644
index 0000000..1b5f39e
--- /dev/null
+++ b/examples/services_example_cxx/baz/private/src/Baz.cc
@@ -0,0 +1,84 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "Baz.h"
+#include <iostream>
+
+void Baz::start() {
+    std::cout << "start Baz\n";
+    this->running = true;
+    pollThread = std::thread {&Baz::poll, this};
+}
+
+void Baz::stop() {
+    std::cout << "stop Baz\n";
+    this->running = false;
+    this->pollThread.join();
+}
+
+void Baz::addAnotherExample(IAnotherExample *e) {
+    std::lock_guard<std::mutex> lock(this->lock_for_examples);
+    this->examples.push_back(e);
+}
+
+void Baz::removeAnotherExample(IAnotherExample *e) {
+    std::lock_guard<std::mutex> lock(this->lock_for_examples);
+    this->examples.remove(e);
+}
+
+void Baz::addExample(const example_t *e) {
+    std::lock_guard<std::mutex> lock(this->lock_for_cExamples);
+    this->cExamples.push_back(e);
+}
+
+void Baz::removeExample(const example_t *e) {
+    std::lock_guard<std::mutex> lock(this->lock_for_cExamples);
+    this->cExamples.remove(e);
+}
+
+void Baz::poll() {
+    double r1 = 1.0;
+    double r2 = 1.0;
+    while (this->running) {
+        //c++ service required -> if component started always available
+
+        {
+            int index = 0;
+            std::lock_guard<std::mutex> lock(this->lock_for_examples);
+            for (IAnotherExample *e : this->examples) {
+                r1 = e->method(3, r1);
+                std::cout << "Result IAnotherExample " << index++ << " is " << 
r1 << "\n";
+            }
+        }
+
+
+        {
+            int index = 0;
+            std::lock_guard<std::mutex> lock(this->lock_for_cExamples);
+            for (const example_t *e : this->cExamples) {
+                double out;
+                e->method(e->handle, 4, r2, &out);
+                r2 = out;
+                std::cout << "Result example_t " << index++ << " is " << r2 << 
"\n";
+            }
+        }
+
+        std::this_thread::sleep_for(std::chrono::milliseconds(4000));
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/baz/private/src/BazActivator.cc
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/baz/private/src/BazActivator.cc 
b/examples/services_example_cxx/baz/private/src/BazActivator.cc
new file mode 100644
index 0000000..f4f43c3
--- /dev/null
+++ b/examples/services_example_cxx/baz/private/src/BazActivator.cc
@@ -0,0 +1,45 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "Baz.h"
+#include "BazActivator.h"
+
+using namespace celix::dm;
+
+DmActivator* DmActivator::create(DependencyManager& mng) {
+    return new BazActivator(mng);
+}
+
+void BazActivator::init() {
+
+    Component<Baz>& cmp = createComponent<Baz>()
+        .setCallbacks(nullptr, &Baz::start, &Baz::stop, nullptr);
+
+    cmp.createServiceDependency<IAnotherExample>()
+            .setRequired(true)
+            .setStrategy(DependencyUpdateStrategy::locking)
+            .setVersionRange(IANOTHER_EXAMPLE_CONSUMER_RANGE)
+            .setCallbacks(&Baz::addAnotherExample, &Baz::removeAnotherExample);
+
+    cmp.createCServiceDependency<example_t>(EXAMPLE_NAME)
+            .setRequired(false)
+            .setStrategy(DependencyUpdateStrategy::locking)
+            .setVersionRange(EXAMPLE_CONSUMER_RANGE)
+            .setCallbacks(&Baz::addExample, &Baz::removeExample);
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/foo/CMakeLists.txt
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/foo/CMakeLists.txt 
b/examples/services_example_cxx/foo/CMakeLists.txt
new file mode 100644
index 0000000..6c36936
--- /dev/null
+++ b/examples/services_example_cxx/foo/CMakeLists.txt
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+include_directories(
+        private/include
+)
+
+add_bundle(foo_cxx
+    SYMBOLIC_NAME Foo
+    VERSION 1.0.0
+    SOURCES
+        private/src/Foo.cc
+        private/src/FooActivator.cc
+)
+
+IF(APPLE)
+    target_link_libraries(foo_cxx celix_framework -Wl,-all_load 
dependency_manager_cxx_static)
+else()
+    if(ENABLE_ADDRESS_SANITIZER)
+        #With asan there can be undefined symbols
+        target_link_libraries(foo_cxx -Wl,--whole-archive 
dependency_manager_cxx_static -Wl,--no-whole-archive celix_framework)
+    else()
+        target_link_libraries(foo_cxx -Wl,--no-undefined -Wl,--whole-archive 
dependency_manager_cxx_static -Wl,--no-whole-archive celix_framework)
+    endif()
+endif()
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/foo/private/include/Foo.h
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/foo/private/include/Foo.h 
b/examples/services_example_cxx/foo/private/include/Foo.h
new file mode 100644
index 0000000..a07ddba
--- /dev/null
+++ b/examples/services_example_cxx/foo/private/include/Foo.h
@@ -0,0 +1,45 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef FOO_H
+#define FOO_H
+
+#include "example.h"
+#include "IAnotherExample.h"
+#include <thread>
+
+class Foo  {
+    IAnotherExample* example {nullptr};
+    const example_t* cExample {nullptr};
+    std::thread pollThread {};
+    bool running = false;
+public:
+    Foo() = default;
+    virtual ~Foo() = default;
+
+    void start();
+    void stop();
+
+    void setAnotherExample(IAnotherExample* e);
+    void setExample(const example_t* e);
+
+    void poll();
+};
+
+#endif //FOO_H

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/foo/private/include/FooActivator.h
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/foo/private/include/FooActivator.h 
b/examples/services_example_cxx/foo/private/include/FooActivator.h
new file mode 100644
index 0000000..fc35953
--- /dev/null
+++ b/examples/services_example_cxx/foo/private/include/FooActivator.h
@@ -0,0 +1,34 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef BAR_ACTIVATOR_H
+#define BAR_ACTIVATOR_H
+
+#include "celix/dm/DmActivator.h"
+
+using namespace celix::dm;
+
+class FooActivator : public DmActivator {
+private:
+public:
+    FooActivator(DependencyManager& mng) : DmActivator(mng) {}
+    virtual void init();
+};
+
+#endif //BAR_ACTIVATOR_H

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/foo/private/src/Foo.cc
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/foo/private/src/Foo.cc 
b/examples/services_example_cxx/foo/private/src/Foo.cc
new file mode 100644
index 0000000..241513c
--- /dev/null
+++ b/examples/services_example_cxx/foo/private/src/Foo.cc
@@ -0,0 +1,60 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "Foo.h"
+#include <iostream>
+
+void Foo::start() {
+    std::cout << "start Foo\n";
+    this->running = true;
+    pollThread = std::thread {&Foo::poll, this};
+}
+
+void Foo::stop() {
+    std::cout << "stop Foo\n";
+    this->running = false;
+    this->pollThread.join();
+}
+
+void Foo::setAnotherExample(IAnotherExample *e) {
+    this->example = e;
+}
+
+void Foo::setExample(const example_t *e) {
+    this->cExample = e;
+}
+
+void Foo::poll() {
+    double r1 = 1.0;
+    double r2 = 1.0;
+    while (this->running) {
+        //c++ service required -> if component started always available
+        r1 = this->example->method(3, r1);
+        std::cout << "Result IAnotherExample is " << r1 << "\n";
+
+        //c service is optional, can be nullptr
+        if (this->cExample != nullptr) {
+            double out;
+            this->cExample->method(this->cExample->handle, 4, r2, &out);
+            r2 = out;
+            std::cout << "Result example_t is " << r2 << "\n";
+        }
+        std::this_thread::sleep_for(std::chrono::milliseconds(5000));
+    }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/celix/blob/1b25a0a8/examples/services_example_cxx/foo/private/src/FooActivator.cc
----------------------------------------------------------------------
diff --git a/examples/services_example_cxx/foo/private/src/FooActivator.cc 
b/examples/services_example_cxx/foo/private/src/FooActivator.cc
new file mode 100644
index 0000000..57d702b
--- /dev/null
+++ b/examples/services_example_cxx/foo/private/src/FooActivator.cc
@@ -0,0 +1,43 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#include "Foo.h"
+#include "FooActivator.h"
+
+using namespace celix::dm;
+
+DmActivator* DmActivator::create(DependencyManager& mng) {
+    return new FooActivator(mng);
+}
+
+void FooActivator::init() {
+
+    Component<Foo>& cmp = createComponent<Foo>()
+        .setCallbacks(nullptr, &Foo::start, &Foo::stop, nullptr);
+
+    cmp.createServiceDependency<IAnotherExample>()
+            .setRequired(true)
+            .setVersionRange(IANOTHER_EXAMPLE_CONSUMER_RANGE)
+            .setCallbacks(&Foo::setAnotherExample);
+
+    cmp.createCServiceDependency<example_t>(EXAMPLE_NAME)
+            .setRequired(false)
+            .setVersionRange(EXAMPLE_CONSUMER_RANGE)
+            .setCallbacks(&Foo::setExample);
+}
\ No newline at end of file

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