diff --git a/libs/main/core/piwaitevent_p.cpp b/libs/main/core/piwaitevent_p.cpp
index d576ba31..954aa870 100644
--- a/libs/main/core/piwaitevent_p.cpp
+++ b/libs/main/core/piwaitevent_p.cpp
@@ -28,7 +28,6 @@
 #  include <fcntl.h>
 #  include <sys/ioctl.h>
 #endif
-#include "piincludes_p.h"
 #include "pistring.h"
 
 
@@ -45,7 +44,7 @@ void PIWaitEvent::create() {
 		piCout << "Error with CreateEventA:" << errorString();
 	}
 #else
-	for (int i = 0; i < sizeof(fds); ++i) memset(&(fds[i]), 0, sizeof(fds[i]));
+	for (int i = 0; i < 3; ++i) memset(&(fds[i]), 0, sizeof(fds[i]));
 	if (::pipe(pipe_fd) < 0) {
 		piCout << "Error with pipe:" << errorString();
 	} else {
@@ -62,7 +61,7 @@ void PIWaitEvent::destroy() {
 		event = NULL;
 	}
 #else
-	for (int i = 0; i < sizeof(pipe_fd); ++i) {
+	for (int i = 0; i < 2; ++i) {
 		if (pipe_fd[i] != 0) {
 			::close(pipe_fd[i]);
 			pipe_fd[i] = 0;
@@ -82,7 +81,7 @@ bool PIWaitEvent::wait(int fd, CheckRole role) {
 	if (fd == -1) return false;
 	int nfds = piMaxi(pipe_fd[ReadEnd], fd) + 1;
 	int fd_index = role;
-	for (int i = 0; i < sizeof(fds); ++i) FD_ZERO(&(fds[i]));
+	for (int i = 0; i < 3; ++i) FD_ZERO(&(fds[i]));
 	FD_SET(pipe_fd[ReadEnd], &(fds[CheckRead]));
 	FD_SET(fd, &(fds[CheckExeption]));
 	if (fd_index != CheckExeption) FD_SET(fd, &(fds[fd_index]));
@@ -116,5 +115,9 @@ bool PIWaitEvent::isCreate() const {
 
 
 void * PIWaitEvent::getEvent() const {
+#ifdef WINDOWS
 	return event;
+#else
+	return nullptr;
+#endif
 }
diff --git a/libs/main/core/piwaitevent_p.h b/libs/main/core/piwaitevent_p.h
index e0f18299..a4395eaf 100644
--- a/libs/main/core/piwaitevent_p.h
+++ b/libs/main/core/piwaitevent_p.h
@@ -35,19 +35,17 @@ class PIWaitEvent {
 public:
 	~PIWaitEvent();
 
-	void create();
-	void destroy();
-
 	enum CheckRole { // UNIX only
 		CheckRead,
 		CheckWrite,
 		CheckExeption
 	};
-	bool wait(int fd = -1, CheckRole role = CheckRead);
 
+	void create();
+	void destroy();
+	bool wait(int fd = -1, CheckRole role = CheckRead);
 	void interrupt();
 	bool isCreate() const;
-
 	void * getEvent() const; // WINDOWS only
 
 private:
diff --git a/libs/main/io_devices/pican.cpp b/libs/main/io_devices/pican.cpp
index 66381091..7f42774e 100644
--- a/libs/main/io_devices/pican.cpp
+++ b/libs/main/io_devices/pican.cpp
@@ -18,7 +18,7 @@
 */
 #include "pican.h"
 #include "pipropertystorage.h"
-#include "piincludes_p.h"
+#include "piwaitevent_p.h"
 #if !defined(WINDOWS) && !defined(MAC_OS) && !defined(MICRO_PIP)
 #  define PIP_CAN
 #endif
@@ -39,17 +39,24 @@
 REGISTER_DEVICE(PICAN)
 
 
+PRIVATE_DEFINITION_START(PICAN)
+	PIWaitEvent event;
+PRIVATE_DEFINITION_END(PICAN)
+
+
 PICAN::PICAN(const PIString & path, PIIODevice::DeviceMode mode) : PIIODevice(path, mode) {
 	setThreadedReadBufferSize(256);
 	setPath(path);
 	can_id = 0;
 	sock = 0;
+	PRIVATE->event.create();
 }
 
 
 PICAN::~PICAN() {
-	stop();
+	stopAndWait();
 	close();
+	PRIVATE->event.destroy();
 }
 
 
@@ -92,6 +99,7 @@ bool PICAN::openDevice() {
 
 bool PICAN::closeDevice() {
 #ifdef PIP_CAN
+	interrupt();
 	if (sock > 0) ::close(sock);
 #endif
 	return true;
@@ -103,9 +111,8 @@ ssize_t PICAN::readDevice(void * read_to, ssize_t max_size) {
 	//piCout << "PICAN read";
 	can_frame frame;
 	ssize_t ret = 0;
-	reading_now = true;
-	ret = ::read(sock, &frame, sizeof(can_frame));
-	reading_now = false;
+	if (PRIVATE->event.wait(sock))
+		ret = ::read(sock, &frame, sizeof(can_frame));
 	if (ret < 0) {/*piCoutObj << "Error while read CAN frame " << ret;*/ return -1;}
 	//piCoutObj << "receive CAN frame Id =" << frame.can_id;
 	memcpy(read_to, frame.data, piMini(frame.can_dlc, max_size));
@@ -148,6 +155,11 @@ int PICAN::readedCANID() const {
 }
 
 
+void PICAN::interrupt() {
+	PRIVATE->event.interrupt();
+}
+
+
 PIString PICAN::constructFullPathDevice() const {
 	PIString ret;
 	ret += path() + ":" + PIString::fromNumber(CANID(), 16);
diff --git a/libs/main/io_devices/pican.h b/libs/main/io_devices/pican.h
index 8afab4d7..199ccf5f 100644
--- a/libs/main/io_devices/pican.h
+++ b/libs/main/io_devices/pican.h
@@ -39,6 +39,7 @@ public:
 	void setCANID(int id);
 	int CANID() const;
 	int readedCANID() const;
+	void interrupt() override;
 
 protected:
 	bool openDevice() override;
@@ -52,6 +53,7 @@ protected:
 	DeviceInfoFlags deviceInfoFlags() const override {return PIIODevice::Reliable;}
 
 private:
+	PRIVATE_DECLARATION(PIP_EXPORT)
 	int sock;
 	int can_id, readed_id;
 };