[janderwald] 41157: - Register shutdown notification - Close file objects / handles on shutdown

Author: janderwald
Date: Thu May 28 00:33:00 2009
New Revision: 41157

URL: http://svn.reactos.org/svn/reactos?rev=41157&view=rev
Log:
- Register shutdown notification
- Close file objects / handles on shutdown

Modified:
    trunk/reactos/drivers/wdm/audio/sysaudio/deviface.c
    trunk/reactos/drivers/wdm/audio/sysaudio/main.c

Modified: trunk/reactos/drivers/wdm/audio/sysaudio/deviface.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/sysaudio/...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/sysaudio/deviface.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/sysaudio/deviface.c [iso-8859-1] Thu May 28 00:33:00 2009
@@ -59,7 +59,7 @@
     if (!DeviceEntry->Pins)
     {
         /* no memory */
-        DPRINT1("Failed to allocate memory Block %x\n", Count * sizeof(PIN_INFO));
+        DPRINT1("Failed to allocate memory Pins %u Block %x\n", Count, Count * sizeof(PIN_INFO));
         goto cleanup;
     }
     /* clear array */

Modified: trunk/reactos/drivers/wdm/audio/sysaudio/main.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/sysaudio/...
==============================================================================
--- trunk/reactos/drivers/wdm/audio/sysaudio/main.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/sysaudio/main.c [iso-8859-1] Thu May 28 00:33:00 2009
@@ -29,6 +29,40 @@

NTSTATUS
 NTAPI
+SysAudio_Shutdown(
+    IN  PDEVICE_OBJECT DeviceObject,
+    IN  PIRP Irp)
+{
+    PKSAUDIO_DEVICE_ENTRY DeviceEntry;
+    PSYSAUDIODEVEXT DeviceExtension;
+    PLIST_ENTRY Entry;
+
+    DPRINT1("SysAudio_Shutdown called\n");
+
+    DeviceExtension = (PSYSAUDIODEVEXT)DeviceObject->DeviceExtension;
+
+    while(!IsListEmpty(&DeviceExtension->KsAudioDeviceList))
+    {
+        Entry = RemoveHeadList(&DeviceExtension->KsAudioDeviceList);
+        DeviceEntry = (PKSAUDIO_DEVICE_ENTRY)CONTAINING_RECORD(Entry, KSAUDIO_DEVICE_ENTRY, Entry);
+
+        DPRINT1("Freeing item %wZ\n", &DeviceEntry->DeviceName);
+        RtlFreeUnicodeString(&DeviceEntry->DeviceName);
+        ZwClose(DeviceEntry->Handle);
+        ObDereferenceObject(DeviceEntry->FileObject);
+        ExFreePool(DeviceEntry->Pins);
+        ExFreePool(DeviceEntry);
+    }
+
+    Irp->IoStatus.Information = 0;
+    Irp->IoStatus.Status = STATUS_SUCCESS;
+    IoCompleteRequest(Irp, IO_NO_INCREMENT);
+    return STATUS_SUCCESS;
+}
+
+
+NTSTATUS
+NTAPI
 SysAudio_Pnp(
     IN  PDEVICE_OBJECT DeviceObject,
     IN  PIRP Irp)
@@ -153,6 +187,10 @@
      /* clear initializing flag */
      DeviceObject->Flags &= ~ DO_DEVICE_INITIALIZING;

+     /* register shutdown notfication */
+     IoRegisterShutdownNotification(DeviceObject);
+
+
     /* Done */
     return STATUS_SUCCESS;

@@ -192,6 +230,7 @@

/* Sysaudio needs to do work on pnp, so handle it */
     DriverObject->MajorFunction[IRP_MJ_PNP] = SysAudio_Pnp;
+    DriverObject->MajorFunction[IRP_MJ_SHUTDOWN] = SysAudio_Shutdown;

/* Call our initialization function */
     return SysAudio_InstallDevice(DriverObject);