diff --git a/ewol/object/Manager.cpp b/ewol/object/Manager.cpp
index 966539ae..9ebc55a4 100644
--- a/ewol/object/Manager.cpp
+++ b/ewol/object/Manager.cpp
@@ -23,6 +23,7 @@ ewol::object::Manager::Manager(ewol::Context& _context) :
 }
 
 ewol::object::Manager::~Manager() {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	m_workerList.clear();
 	bool hasError = false;
 	if (m_eObjectList.size()!=0) {
@@ -36,6 +37,7 @@ ewol::object::Manager::~Manager() {
 }
 
 void ewol::object::Manager::displayListObject() {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	EWOL_INFO("List loaded object : ");
 	for (auto &it : m_eObjectList) {
 		ewol::ObjectShared element = it.lock();
@@ -46,6 +48,7 @@ void ewol::object::Manager::displayListObject() {
 }
 
 void ewol::object::Manager::unInit() {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	EWOL_DEBUG(" == > Un-Init Object-Manager");
 	if (m_workerList.size() > 0) {
 		EWOL_DEBUG(" == > Remove all workers");
@@ -64,6 +67,7 @@ void ewol::object::Manager::unInit() {
 }
 
 void ewol::object::Manager::add(const ewol::ObjectShared& _object) {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	if (_object == nullptr) {
 		EWOL_ERROR("try to add an inexistant Object in manager");
 	}
@@ -71,11 +75,13 @@ void ewol::object::Manager::add(const ewol::ObjectShared& _object) {
 }
 
 int32_t ewol::object::Manager::getNumberObject() {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	return m_eObjectList.size();
 }
 
 // clean all Object that request an autoRemove ...
 void ewol::object::Manager::cleanInternalRemoved() {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	size_t nbObject = m_eObjectList.size();
 	EWOL_VERBOSE("Clean Object List (if needed) : " << m_eObjectList.size() << " elements");
 	auto it(m_eObjectList.begin());
@@ -92,6 +98,7 @@ void ewol::object::Manager::cleanInternalRemoved() {
 }
 
 ewol::ObjectShared ewol::object::Manager::get(const std::string& _name) {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	if (_name == "") {
 		return nullptr;
 	}
@@ -107,15 +114,18 @@ ewol::ObjectShared ewol::object::Manager::get(const std::string& _name) {
 
 
 ewol::ObjectShared ewol::object::Manager::getObjectNamed(const std::string& _name) {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	return ewol::object::Manager::get(_name);
 }
 
 
 void ewol::object::Manager::workerAdd(const ewol::ObjectShared& _worker) {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	m_workerList.push_back(_worker);
 }
 
 void ewol::object::Manager::workerRemove(const ewol::ObjectShared& _worker) {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	auto it(m_workerList.begin());
 	while (it != m_workerList.end()) {
 		if (*it == _worker) {
@@ -127,6 +137,7 @@ void ewol::object::Manager::workerRemove(const ewol::ObjectShared& _worker) {
 }
 
 void ewol::object::Manager::timeCall(int64_t _localTime) {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	int64_t previousTime = m_lastPeriodicCallTime;
 	m_lastPeriodicCallTime = _localTime;
 	if (periodicCall.size() <= 0) {
@@ -138,9 +149,11 @@ void ewol::object::Manager::timeCall(int64_t _localTime) {
 }
 
 void ewol::object::Manager::timeCallResume(int64_t _localTime) {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	m_lastPeriodicCallTime = _localTime;
 }
 
 bool ewol::object::Manager::timeCallHave() {
+	std::unique_lock<std::recursive_mutex> lock(m_mutex);
 	return periodicCall.size() > 0;
 }
diff --git a/ewol/object/Manager.h b/ewol/object/Manager.h
index 33602aa3..a580dec9 100644
--- a/ewol/object/Manager.h
+++ b/ewol/object/Manager.h
@@ -14,6 +14,8 @@ namespace ewol {
 	class Context;
 	namespace object {
 		class Manager : public esignal::Interface {
+			protected:
+				std::recursive_mutex m_mutex;
 			private:
 				std::vector<ewol::ObjectWeak> m_eObjectList; // all widget allocated  == > all time increment ... never removed ...
 				Context& m_context;
diff --git a/ewol/resource/Image.cpp b/ewol/resource/Image.cpp
index b81372a7..7d62f618 100644
--- a/ewol/resource/Image.cpp
+++ b/ewol/resource/Image.cpp
@@ -43,7 +43,9 @@ void ewol::resource::TextureFile::init(std::string _genName, const std::string&
 }
 
 
-#ifdef __TARGET_OS__Android
+#if    defined(__TARGET_OS__Android) \
+    || defined(__TARGET_OS__MacOs) \
+    || defined(__TARGET_OS__IOs)
 /**
  * @brief get the next power 2 if the input
  * @param[in] _value Value that we want the next power of 2
@@ -88,13 +90,11 @@ ememory::SharedPtr<ewol::resource::TextureFile> ewol::resource::TextureFile::cre
 	if (etk::end_with(_filename, ".svg") == false) {
 		_size = ewol::resource::TextureFile::sizeAuto;
 	}
-	#ifdef __TARGET_OS__MacOs
-		EWOL_ERROR("TODO : remove this strange hack");
-		_size = ivec2(64,64);
-	#endif
 	if (_size.x()>0 && _size.y()>0) {
 		EWOL_VERBOSE("     == > specific size : " << _size);
-		#ifdef __TARGET_OS__Android
+		#if    defined(__TARGET_OS__Android) \
+		    || defined(__TARGET_OS__MacOs) \
+		    || defined(__TARGET_OS__IOs)
 			_size.setValue(nextP2(_size.x()), nextP2(_size.y()));
 		#endif
 		if (_sizeRegister != ewol::resource::TextureFile::sizeAuto) {
diff --git a/ewol/resource/Texture.cpp b/ewol/resource/Texture.cpp
index f5873f13..7ada3c42 100644
--- a/ewol/resource/Texture.cpp
+++ b/ewol/resource/Texture.cpp
@@ -100,7 +100,7 @@ bool ewol::resource::Texture::updateContext() {
 			break;
 	}
 	EWOL_INFO("TEXTURE: add [" << getId() << "]=" << m_data.getSize() << " OGl_Id=" << m_texId << " type=" << m_data.getType());
-	egami::store(m_data, std::string("~/texture_") + etk::to_string(getId()) + ".bmp");
+	//egami::store(m_data, std::string("~/texture_") + etk::to_string(getId()) + ".bmp");
 	glTexImage2D(GL_TEXTURE_2D, // Target
 	             0, // Level
 	             typeObject, // Format internal