Commit a2adc888 authored by Alexandre Julliard's avatar Alexandre Julliard

ntoskrnl.exe: Implemented IoCreateDevice and IoDeleteDevice.

parent dff6cdfa
......@@ -6,6 +6,9 @@ MODULE = ntoskrnl.exe
IMPORTLIB = libntoskrnl.exe.$(IMPLIBEXT)
IMPORTS = kernel32 ntdll
C_SRCS = \
ntoskrnl.c
@MAKE_DLL_RULES@
@DEPENDENCIES@ # everything below this line is overwritten by make depend
/*
* ntoskrnl.exe implementation
*
* Copyright (C) 2007 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winternl.h"
#include "ddk/wdm.h"
#include "wine/unicode.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntoskrnl);
static inline LPCSTR debugstr_us( const UNICODE_STRING *us )
{
if (!us) return "<null>";
return debugstr_wn( us->Buffer, us->Length / sizeof(WCHAR) );
}
static HANDLE get_device_manager(void)
{
static HANDLE device_manager;
HANDLE handle = 0, ret = device_manager;
if (!ret)
{
SERVER_START_REQ( create_device_manager )
{
req->access = SYNCHRONIZE;
req->attributes = 0;
if (!wine_server_call( req )) handle = reply->handle;
}
SERVER_END_REQ;
if (!handle)
{
ERR( "failed to create the device manager\n" );
return 0;
}
if (!(ret = InterlockedCompareExchangePointer( &device_manager, handle, 0 )))
ret = handle;
else
NtClose( handle ); /* somebody beat us to it */
}
return ret;
}
/***********************************************************************
* IoCreateDevice (NTOSKRNL.EXE.@)
*/
NTSTATUS WINAPI IoCreateDevice( DRIVER_OBJECT *driver, ULONG ext_size,
UNICODE_STRING *name, DEVICE_TYPE type,
ULONG characteristics, BOOLEAN exclusive,
DEVICE_OBJECT **ret_device )
{
NTSTATUS status;
DEVICE_OBJECT *device;
HANDLE handle = 0;
HANDLE manager = get_device_manager();
TRACE( "(%p, %u, %s, %u, %x, %u, %p)\n",
driver, ext_size, debugstr_us(name), type, characteristics, exclusive, ret_device );
if (!(device = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*device) + ext_size )))
return STATUS_NO_MEMORY;
SERVER_START_REQ( create_device )
{
req->access = 0;
req->attributes = 0;
req->rootdir = 0;
req->manager = manager;
req->user_ptr = device;
if (name) wine_server_add_data( req, name->Buffer, name->Length );
if (!(status = wine_server_call( req ))) handle = reply->handle;
}
SERVER_END_REQ;
if (status == STATUS_SUCCESS)
{
device->DriverObject = driver;
device->DeviceExtension = device + 1;
device->DeviceType = type;
device->Reserved = handle;
device->NextDevice = driver->DeviceObject;
driver->DeviceObject = device;
*ret_device = device;
}
else HeapFree( GetProcessHeap(), 0, device );
return status;
}
/***********************************************************************
* IoDeleteDevice (NTOSKRNL.EXE.@)
*/
void WINAPI IoDeleteDevice( DEVICE_OBJECT *device )
{
NTSTATUS status;
TRACE( "%p\n", device );
SERVER_START_REQ( delete_device )
{
req->handle = device->Reserved;
status = wine_server_call( req );
}
SERVER_END_REQ;
if (status == STATUS_SUCCESS)
{
DEVICE_OBJECT **prev = &device->DriverObject->DeviceObject;
while (*prev && *prev != device) prev = &(*prev)->NextDevice;
if (*prev) *prev = (*prev)->NextDevice;
NtClose( device->Reserved );
HeapFree( GetProcessHeap(), 0, device );
}
}
/*****************************************************
* DllMain
*/
BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserved )
{
switch(reason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls( inst );
break;
}
return TRUE;
}
......@@ -336,7 +336,7 @@
@ stub IoCompleteRequest
@ stub IoConnectInterrupt
@ stub IoCreateController
@ stub IoCreateDevice
@ stdcall IoCreateDevice(ptr long ptr long long long ptr)
@ stub IoCreateDisk
@ stub IoCreateDriver
@ stub IoCreateFile
......@@ -353,7 +353,7 @@
@ stub IoCsqRemoveIrp
@ stub IoCsqRemoveNextIrp
@ stub IoDeleteController
@ stub IoDeleteDevice
@ stdcall IoDeleteDevice(ptr)
@ stub IoDeleteDriver
@ stub IoDeleteSymbolicLink
@ stub IoDetachDevice
......
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