Lots of changes to the kernel

[reactos.git] / reactos / ntoskrnl / io / create.c

diff --git a/reactos/ntoskrnl/io/create.c b/reactos/ntoskrnl/io/create.c
index 210606c..f0bd7ee 100644 (file)
--- a/reactos/ntoskrnl/io/create.c
+++ b/reactos/ntoskrnl/io/create.c
@@ -69,6 +69,11 @@ NTSTATUS IopCreateFile(PVOID ObjectBody,
    DPRINT("IopCreateFile(ObjectBody %x, Parent %x, RemainingPath %w)\n",
          ObjectBody,Parent,RemainingPath);
    
+   if (DeviceObject == NULL)
+     {
+       return(STATUS_SUCCESS);
+     }
+   
    Status = ObReferenceObjectByPointer(DeviceObject,
                                       STANDARD_RIGHTS_REQUIRED,
                                       IoDeviceType,
@@ -120,6 +125,41 @@ NTSTATUS IopCreateFile(PVOID ObjectBody,
    return(STATUS_SUCCESS);
 }
 
+PFILE_OBJECT IoCreateStreamFileObject(PFILE_OBJECT FileObject,
+                                     PDEVICE_OBJECT DeviceObject)
+{
+   HANDLE FileHandle;
+   PFILE_OBJECT CreatedFileObject;
+   
+   DbgPrint("IoCreateStreamFileObject(FileObject %x, DeviceObject %x)\n",
+           FileObject, DeviceObject);
+   
+   assert_irql(PASSIVE_LEVEL);
+   
+   CreatedFileObject = ObCreateObject(&FileHandle,
+                                     STANDARD_RIGHTS_REQUIRED,
+                                     NULL,
+                                     IoFileType);
+   if (CreatedFileObject == NULL)
+     {
+       return(NULL);
+     }
+   
+   if (FileObject != NULL)
+     {
+       DeviceObject = FileObject->DeviceObject;
+     }
+   DeviceObject = IoGetAttachedDevice(DeviceObject);
+   CreatedFileObject->DeviceObject = DeviceObject;
+   CreatedFileObject->Vpb = DeviceObject->Vpb;
+   CreatedFileObject->Type = ID_FILE_OBJECT;   
+   CreatedFileObject->Flags = CreatedFileObject->Flags | FO_DIRECT_DEVICE_OPEN;
+   
+   ZwClose(FileHandle);
+   
+   return(CreatedFileObject);
+}
+
 NTSTATUS STDCALL ZwCreateFile(PHANDLE FileHandle,
                              ACCESS_MASK DesiredAccess,
                              POBJECT_ATTRIBUTES ObjectAttributes,
@@ -215,10 +255,12 @@ NTSTATUS STDCALL ZwCreateFile(PHANDLE FileHandle,
    
    if (!NT_SUCCESS(Status))
      {
+       DPRINT("Failing create request with status %x\n",Status);
        ZwClose(*FileHandle);
        (*FileHandle) = 0;
      }
    
+   assert_irql(PASSIVE_LEVEL);
    DPRINT("Finished ZwCreateFile() (*FileHandle) %x\n",(*FileHandle));
    return(Status);
 }