Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers...

[reactos.git] / drivers / filesystems / npfs / close.c

diff --git a/drivers/filesystems/npfs/close.c b/drivers/filesystems/npfs/close.c
new file mode 100644 (file)
index 0000000..ce3b444
--- /dev/null
+++ b/drivers/filesystems/npfs/close.c
@@ -0,0 +1,74 @@
+/*
+ * PROJECT:     ReactOS Named Pipe FileSystem
+ * LICENSE:     BSD - See COPYING.ARM in the top level directory
+ * FILE:        drivers/filesystems/npfs/close.c
+ * PURPOSE:     Pipes Closing
+ * PROGRAMMERS: ReactOS Portable Systems Group
+ */
+
+/* INCLUDES *******************************************************************/
+
+#include "npfs.h"
+
+// File ID number for NPFS bugchecking support
+#define NPFS_BUGCHECK_FILE_ID   (NPFS_BUGCHECK_CLOSE)
+
+/* FUNCTIONS ******************************************************************/
+
+NTSTATUS
+NTAPI
+NpCommonClose(IN PDEVICE_OBJECT DeviceObject,
+              IN PIRP Irp)
+{
+    PIO_STACK_LOCATION IoStack;
+    NODE_TYPE_CODE NodeTypeCode;
+    LIST_ENTRY DeferredList;
+    PNP_FCB Fcb;
+    PNP_CCB Ccb;
+    ULONG NamedPipeEnd;
+    PAGED_CODE();
+
+    IoStack = IoGetCurrentIrpStackLocation(Irp);
+    InitializeListHead(&DeferredList);
+
+    NpAcquireExclusiveVcb();
+    NodeTypeCode = NpDecodeFileObject(IoStack->FileObject,
+                                      (PVOID*)&Fcb,
+                                      &Ccb,
+                                      &NamedPipeEnd);
+    if (NodeTypeCode == NPFS_NTC_ROOT_DCB)
+    {
+        --Fcb->CurrentInstances;
+        NpDeleteCcb(Ccb, &DeferredList);
+    }
+    else if (NodeTypeCode == NPFS_NTC_VCB)
+    {
+        --NpVcb->ReferenceCount;
+    }
+
+    NpReleaseVcb();
+    NpCompleteDeferredIrps(&DeferredList);
+
+    Irp->IoStatus.Status = STATUS_SUCCESS;
+    IoCompleteRequest(Irp, IO_NAMED_PIPE_INCREMENT);
+    return STATUS_SUCCESS;
+}
+
+NTSTATUS
+NTAPI
+NpFsdClose(IN PDEVICE_OBJECT DeviceObject,
+           IN PIRP Irp)
+{
+    NTSTATUS Status;
+    PAGED_CODE();
+
+    FsRtlEnterFileSystem();
+
+    Status = NpCommonClose(DeviceObject, Irp);
+
+    FsRtlExitFileSystem();
+
+    return Status;
+}
+
+/* EOF */