From 5fad003df80667f48248cd8974107c6e31b2de49 Mon Sep 17 00:00:00 2001
From: Hartmut Birr <osexpert@googlemail.com>
Date: Mon, 31 Oct 2005 18:56:44 +0000
Subject: [PATCH] Removed the 'special' mode, because it didn't connect a pipe.

svn path=/trunk/; revision=18912
---
 reactos/drivers/fs/np/create.c | 94 ++++++++++++++--------------------
 1 file changed, 38 insertions(+), 56 deletions(-)

diff --git a/reactos/drivers/fs/np/create.c b/reactos/drivers/fs/np/create.c
index 773abf7150a..34e44a9151b 100644
--- a/reactos/drivers/fs/np/create.c
+++ b/reactos/drivers/fs/np/create.c
@@ -113,7 +113,6 @@ NpfsCreate(PDEVICE_OBJECT DeviceObject,
   PNPFS_FCB ClientFcb;
   PNPFS_FCB ServerFcb = NULL;
   PNPFS_DEVICE_EXTENSION DeviceExt;
-  BOOLEAN SpecialAccess;
 
   DPRINT("NpfsCreate(DeviceObject %p Irp %p)\n", DeviceObject, Irp);
 
@@ -125,12 +124,6 @@ NpfsCreate(PDEVICE_OBJECT DeviceObject,
 
   Irp->IoStatus.Information = 0;
 
-  SpecialAccess = ((IoStack->Parameters.CreatePipe.ShareAccess & 3) == 3);
-  if (SpecialAccess)
-    {
-      DPRINT("NpfsCreate() open client end for special use!\n");
-    }
-
   /*
    * Step 1. Find the pipe we're trying to open.
    */
@@ -172,7 +165,7 @@ NpfsCreate(PDEVICE_OBJECT DeviceObject,
   ClientFcb->Pipe = Pipe;
   ClientFcb->PipeEnd = FILE_PIPE_CLIENT_END;
   ClientFcb->OtherSide = NULL;
-  ClientFcb->PipeState = SpecialAccess ? 0 : FILE_PIPE_DISCONNECTED_STATE;
+  ClientFcb->PipeState = FILE_PIPE_DISCONNECTED_STATE;
   InitializeListHead(&ClientFcb->ReadRequestListHead);
 
   DPRINT("Fcb: %x\n", ClientFcb);
@@ -211,67 +204,56 @@ NpfsCreate(PDEVICE_OBJECT DeviceObject,
    * Step 3. Search for listening server FCB.
    */
 
-  if (!SpecialAccess)
+  /*
+   * WARNING: Point of no return! Once we get the server FCB it's
+   * possible that we completed a wait request and so we have to
+   * complete even this request.
+   */
+
+  ServerFcb = NpfsFindListeningServerInstance(Pipe);
+  if (ServerFcb == NULL)
     {
+      PLIST_ENTRY CurrentEntry;
+      PNPFS_FCB Fcb;
+
       /*
-       * WARNING: Point of no return! Once we get the server FCB it's
-       * possible that we completed a wait request and so we have to
-       * complete even this request.
+       * If no waiting server FCB was found then try to pick
+       * one of the listing server FCB on the pipe.
        */
 
-      ServerFcb = NpfsFindListeningServerInstance(Pipe);
-      if (ServerFcb == NULL)
+      CurrentEntry = Pipe->ServerFcbListHead.Flink;
+      while (CurrentEntry != &Pipe->ServerFcbListHead)
         {
-          PLIST_ENTRY CurrentEntry;
-          PNPFS_FCB Fcb;
-
-          /*
-           * If no waiting server FCB was found then try to pick
-           * one of the listing server FCB on the pipe.
-           */
-
-          CurrentEntry = Pipe->ServerFcbListHead.Flink;
-          while (CurrentEntry != &Pipe->ServerFcbListHead)
+          Fcb = CONTAINING_RECORD(CurrentEntry, NPFS_FCB, FcbListEntry);
+          if (Fcb->PipeState == FILE_PIPE_LISTENING_STATE)
             {
-              Fcb = CONTAINING_RECORD(CurrentEntry, NPFS_FCB, FcbListEntry);
-              if (Fcb->PipeState == FILE_PIPE_LISTENING_STATE)
-                {
-                  ServerFcb = Fcb;
-                  break;
-                }
-              CurrentEntry = CurrentEntry->Flink;
+              ServerFcb = Fcb;
+              break;
             }
+          CurrentEntry = CurrentEntry->Flink;
+        }
 
-          /*
-           * No one is listening to me?! I'm so lonely... :(
-           */
+      /*
+       * No one is listening to me?! I'm so lonely... :(
+       */
 
-          if (ServerFcb == NULL)
-            {
-              /* Not found, bail out with error for FILE_OPEN requests. */
-              DPRINT("No listening server fcb found!\n");
-              if (ClientFcb->Data)
-                ExFreePool(ClientFcb->Data);
-              KeUnlockMutex(&Pipe->FcbListLock);
-              Irp->IoStatus.Status = STATUS_PIPE_BUSY;
-              IoCompleteRequest(Irp, IO_NO_INCREMENT);
-              return STATUS_PIPE_BUSY;
-            }
-        }
-      else
+      if (ServerFcb == NULL)
         {
-          /* Signal the server thread and remove it from the waiter list */
-          /* FIXME: Merge this with the NpfsFindListeningServerInstance routine. */
-          NpfsSignalAndRemoveListeningServerInstance(Pipe, ServerFcb);
+          /* Not found, bail out with error for FILE_OPEN requests. */
+          DPRINT("No listening server fcb found!\n");
+          if (ClientFcb->Data)
+            ExFreePool(ClientFcb->Data);
+          KeUnlockMutex(&Pipe->FcbListLock);
+          Irp->IoStatus.Status = STATUS_PIPE_NOT_AVAILABLE;
+          IoCompleteRequest(Irp, IO_NO_INCREMENT);
+          return STATUS_PIPE_NOT_AVAILABLE;
         }
     }
-  else if (IsListEmpty(&Pipe->ServerFcbListHead))
+  else
     {
-      DPRINT("No server fcb found!\n");
-      KeUnlockMutex(&Pipe->FcbListLock);
-      Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
-      IoCompleteRequest(Irp, IO_NO_INCREMENT);
-      return STATUS_UNSUCCESSFUL;
+      /* Signal the server thread and remove it from the waiter list */
+      /* FIXME: Merge this with the NpfsFindListeningServerInstance routine. */
+      NpfsSignalAndRemoveListeningServerInstance(Pipe, ServerFcb);
     }
 
   /*
-- 
2.17.1