* Error out on the num events ioctl in case the device was removed, otherwise

the original BeOS input_server will fail to detect the error and never close
  the device.
* Remove the empty kernel_cpp header and use the one from kernel util instead.
* Add some missing headers for completeness.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33242 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/drivers/input/usb_hid/DeviceList.cpp

@@ -4,7 +4,7 @@
 	Distributed under the terms of the MIT license.
 */
 #include "DeviceList.h"
-#include <kernel_cpp.h>
+#include <util/kernel_cpp.h>
 #include <stdlib.h>
 #include <string.h>
 #include <new>

src/add-ons/kernel/drivers/input/usb_hid/Driver.h

@@ -10,9 +10,9 @@
 #include <KernelExport.h>
 #include <OS.h>
 #include <USB3.h>
+#include <util/kernel_cpp.h>
 
 #include "DeviceList.h"
-#include "kernel_cpp.h"
 
 #define DRIVER_NAME	"usb_hid"
 

src/add-ons/kernel/drivers/input/usb_hid/HIDDevice.cpp

@@ -12,6 +12,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <unistd.h>
 #include <new>
 
 

src/add-ons/kernel/drivers/input/usb_hid/HIDReport.cpp

@@ -11,6 +11,7 @@
 
 #include <new>
 #include <stdlib.h>
+#include <string.h>
 
 
 HIDReport::HIDReport(HIDParser *parser, uint8 type, uint8 id)
@@ -217,6 +218,7 @@ HIDReport::WaitForReport(bigtime_t timeout)
 	fConditionVariable.Add(&conditionVariableEntry);
 	status_t result = fParser->Device()->MaybeScheduleTransfer();
 	if (result != B_OK) {
+		TRACE_ALWAYS("scheduling transfer failed\n");
 		conditionVariableEntry.Wait(B_RELATIVE_TIMEOUT, 0);
 		return result;
 	}

src/add-ons/kernel/drivers/input/usb_hid/KeyboardDevice.cpp

@@ -3,6 +3,8 @@
  * Distributed under the terms of the MIT license.
  */
 
+#include <new>
+#include <stdlib.h>
 #include <string.h>
 
 #include <usb/USB_hid.h>

src/add-ons/kernel/drivers/input/usb_hid/MouseDevice.cpp

@@ -11,6 +11,7 @@
 #include "HIDReport.h"
 #include "HIDReportItem.h"
 
+#include <new>
 #include <string.h>
 #include <usb/USB_hid.h>
 
@@ -91,7 +92,12 @@ MouseDevice::Control(uint32 op, void *buffer, size_t length)
 			return RingBufferRead(buffer, sizeof(mouse_movement));
 
 		case MS_NUM_EVENTS:
-			return RingBufferReadable() / sizeof(mouse_movement);
+		{
+			int32 count = RingBufferReadable() / sizeof(mouse_movement);
+			if (count == 0 && fReport->Device()->IsRemoved())
+				return B_DEV_NOT_READY;
+			return count;
+		}
 
 		case MS_SET_CLICKSPEED:
 #ifdef __HAIKU__
@@ -113,7 +119,7 @@ MouseDevice::_ReadReport()
 	if (result != B_OK) {
 		if (fReport->Device()->IsRemoved()) {
 			TRACE("device has been removed\n");
-			return B_ERROR;
+			return B_DEV_NOT_READY;
 		}
 
 		if (result != B_INTERRUPTED) {

src/add-ons/kernel/drivers/input/usb_hid/MouseDevice.h

@@ -7,6 +7,10 @@
 
 #include <InterfaceDefs.h>
 
+#ifndef B_MAX_MOUSE_BUTTONS
+#define B_MAX_MOUSE_BUTTONS		8
+#endif
+
 #include "ProtocolHandler.h"
 
 class HIDReportItem;

src/add-ons/kernel/drivers/input/usb_hid/ProtocolHandler.cpp

@@ -3,6 +3,7 @@
  * Distributed under the terms of the MIT License.
  */
 
+#include <stdlib.h>
 #include <ring_buffer.h>
 
 #include "Driver.h"