Alexandre Julliard : server: Move the signalling of the named pipe completion event to the server.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a133ad56f913b13d95bfd217aa627fdda50d5cd4
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=a133ad56f913b13d95bfd217aa627fdda50d5cd4

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Wed Mar 21 14:31:54 2007 +0100

server: Move the signalling of the named pipe completion event to the server.

---

 dlls/ntdll/file.c   |   41 +++++++++++++++--------------------------
 server/named_pipe.c |   26 +++++++++-----------------
 2 files changed, 24 insertions(+), 43 deletions(-)

diff --git a/dlls/ntdll/file.c b/dlls/ntdll/file.c
index c25e229..0b22583 100644
--- a/dlls/ntdll/file.c
+++ b/dlls/ntdll/file.c
@@ -920,14 +920,10 @@ NTSTATUS WINAPI NtDeviceIoControlFile(HANDLE handle, HANDLE event,
 /***********************************************************************
  *           pipe_completion_wait   (Internal)
  */
-static void CALLBACK pipe_completion_wait(HANDLE event, PIO_STATUS_BLOCK iosb, ULONG status)
+static void CALLBACK pipe_completion_wait(void *arg, PIO_STATUS_BLOCK iosb, ULONG status)
 {
-    TRACE("for %p/%p, status=%08x\n", event, iosb, status);
-
-    if (iosb)
-        iosb->u.Status = status;
-    NtSetEvent(event, NULL);
-    TRACE("done\n");
+    TRACE("for %p, status=%08x\n", iosb, status);
+    iosb->u.Status = status;
 }
 
 /**************************************************************************
@@ -982,20 +978,17 @@ NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc
                 req->handle  = handle;
                 req->async.callback = pipe_completion_wait;
                 req->async.iosb     = io;
-                req->async.arg      = event ? event : internal_event;
+                req->async.arg      = NULL;
+                req->async.event    = event ? event : internal_event;
                 io->u.Status = wine_server_call(req);
             }
             SERVER_END_REQ;
 
-            if(io->u.Status == STATUS_SUCCESS)
+            if (!event && io->u.Status == STATUS_PENDING)
             {
-                if(event) io->u.Status = STATUS_PENDING;
-                else
-                {
-                    do
-                        io->u.Status = NtWaitForSingleObject(internal_event, TRUE, NULL);
-                    while(io->u.Status == STATUS_USER_APC);
-                }
+                do
+                    io->u.Status = NtWaitForSingleObject(internal_event, TRUE, NULL);
+                while(io->u.Status == STATUS_USER_APC);
             }
             if (internal_event) NtClose(internal_event);
         }
@@ -1018,22 +1011,18 @@ NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc
                                : NMPWAIT_USE_DEFAULT_WAIT;
                 req->async.callback = pipe_completion_wait;
                 req->async.iosb     = io;
-                req->async.arg      = event ? event : internal_event;
+                req->async.arg      = NULL;
+                req->async.event    = event ? event : internal_event;
                 wine_server_add_data( req, buff->Name, buff->NameLength );
                 io->u.Status = wine_server_call( req );
             }
             SERVER_END_REQ;
 
-            if(io->u.Status == STATUS_SUCCESS)
+            if (!event && io->u.Status == STATUS_PENDING)
             {
-                if(event)
-                    io->u.Status = STATUS_PENDING;
-                else
-                {
-                    do
-                        io->u.Status = NtWaitForSingleObject(internal_event, TRUE, NULL);
-                    while(io->u.Status == STATUS_USER_APC);
-                }
+                do
+                    io->u.Status = NtWaitForSingleObject(internal_event, TRUE, NULL);
+                while(io->u.Status == STATUS_USER_APC);
             }
             if (internal_event) NtClose(internal_event);
         }
diff --git a/server/named_pipe.c b/server/named_pipe.c
index 61ddd37..a9ca5b1 100644
--- a/server/named_pipe.c
+++ b/server/named_pipe.c
@@ -826,6 +826,7 @@ DECL_HANDLER(connect_named_pipe)
         server->state = ps_wait_open;
         create_async( current, NULL, &server->wait_q, &req->async );
         async_terminate_queue( &server->pipe->waiters, STATUS_SUCCESS );
+        set_error( STATUS_PENDING );
         break;
     case ps_connected_server:
         assert( server->fd );
@@ -865,32 +866,23 @@ DECL_HANDLER(wait_named_pipe)
         return;
     }
     server = find_server( pipe, ps_wait_open );
-    if (server)
-    {
-        apc_call_t data;
-
-        /* there's already a server waiting for a client to connect */
-        memset( &data, 0, sizeof(data) );
-        data.type            = APC_ASYNC_IO;
-        data.async_io.func   = req->async.callback;
-        data.async_io.user   = req->async.arg;
-        data.async_io.sb     = req->async.iosb;
-        data.async_io.status = STATUS_SUCCESS;
-        thread_queue_apc( current, NULL, &data );
-        release_object( server );
-    }
-    else
+    if (!server)
     {
         if (req->timeout == NMPWAIT_WAIT_FOREVER)
-            create_async( current, NULL, &pipe->waiters, &req->async );
+        {
+            if (create_async( current, NULL, &pipe->waiters, &req->async ))
+                set_error( STATUS_PENDING );
+        }
         else
         {
             struct timeval when = current_time;
             if (req->timeout == NMPWAIT_USE_DEFAULT_WAIT) add_timeout( &when, pipe->timeout );
             else add_timeout( &when, req->timeout );
-            create_async( current, &when, &pipe->waiters, &req->async );
+            if (create_async( current, &when, &pipe->waiters, &req->async ))
+                set_error( STATUS_PENDING );
         }
     }
+    else release_object( server );
 
     release_object( pipe );
 }