server: Implement the FSCTL_PIPE_DISCONNECT ioctl on the server side.

dlls/kernel32/tests/pipe.c

@@ -744,6 +744,8 @@ static int test_DisconnectNamedPipe(void)
         ok(ReadFile(hnp, ibuf, sizeof(ibuf), &readden, NULL) == 0
             && GetLastError() == ERROR_PIPE_NOT_CONNECTED,
             "ReadFile from disconnected pipe with bytes waiting\n");
+        ok(!DisconnectNamedPipe(hnp) && GetLastError() == ERROR_PIPE_NOT_CONNECTED,
+           "DisconnectNamedPipe worked twice\n");
         ok(CloseHandle(hFile), "CloseHandle\n");
     }
 

dlls/ntdll/file.c

@@ -1192,17 +1192,13 @@ NTSTATUS WINAPI NtFsControlFile(HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc
         break;
 
     case FSCTL_PIPE_DISCONNECT:
-        SERVER_START_REQ(disconnect_named_pipe)
+        status = server_ioctl_file( handle, event, apc, apc_context, io, code,
+                                    in_buffer, in_size, out_buffer, out_size );
+        if (!status)
         {
-            req->handle = handle;
-            status = wine_server_call(req);
-            if (!status)
-            {
-                int fd = server_remove_fd_from_cache( handle );
-                if (fd != -1) close( fd );
-            }
+            int fd = server_remove_fd_from_cache( handle );
+            if (fd != -1) close( fd );
         }
-        SERVER_END_REQ;
         break;
 
     case FSCTL_LOCK_VOLUME:

include/wine/server_protocol.h

@@ -2749,18 +2749,6 @@ struct wait_named_pipe_reply
 };
 
 
-
-struct disconnect_named_pipe_request
-{
-    struct request_header __header;
-    obj_handle_t   handle;
-};
-struct disconnect_named_pipe_reply
-{
-    struct reply_header __header;
-};
-
-
 struct get_named_pipe_info_request
 {
     struct request_header __header;
@@ -4161,7 +4149,6 @@ enum request
     REQ_create_named_pipe,
     REQ_connect_named_pipe,
     REQ_wait_named_pipe,
-    REQ_disconnect_named_pipe,
     REQ_get_named_pipe_info,
     REQ_create_window,
     REQ_destroy_window,
@@ -4386,7 +4373,6 @@ union generic_request
     struct create_named_pipe_request create_named_pipe_request;
     struct connect_named_pipe_request connect_named_pipe_request;
     struct wait_named_pipe_request wait_named_pipe_request;
-    struct disconnect_named_pipe_request disconnect_named_pipe_request;
     struct get_named_pipe_info_request get_named_pipe_info_request;
     struct create_window_request create_window_request;
     struct destroy_window_request destroy_window_request;
@@ -4609,7 +4595,6 @@ union generic_reply
     struct create_named_pipe_reply create_named_pipe_reply;
     struct connect_named_pipe_reply connect_named_pipe_reply;
     struct wait_named_pipe_reply wait_named_pipe_reply;
-    struct disconnect_named_pipe_reply disconnect_named_pipe_reply;
     struct get_named_pipe_info_reply get_named_pipe_info_reply;
     struct create_window_reply create_window_reply;
     struct destroy_window_reply destroy_window_reply;
@@ -4690,6 +4675,6 @@ union generic_reply
     struct allocate_locally_unique_id_reply allocate_locally_unique_id_reply;
 };
 
-#define SERVER_PROTOCOL_VERSION 293
+#define SERVER_PROTOCOL_VERSION 294
 
 #endif /* __WINE_WINE_SERVER_PROTOCOL_H */

server/named_pipe.c

@@ -46,6 +46,7 @@
 #define WIN32_NO_STATUS
 #include "windef.h"
 #include "winternl.h"
+#include "winioctl.h"
 
 #include "file.h"
 #include "handle.h"
@@ -138,6 +139,8 @@ static struct fd *pipe_server_get_fd( struct object *obj );
 static void pipe_server_destroy( struct object *obj);
 static void pipe_server_flush( struct fd *fd, struct event **event );
 static enum server_fd_type pipe_server_get_fd_type( struct fd *fd );
+static void pipe_server_ioctl( struct fd *fd, unsigned int code, const async_data_t *async,
+                               const void *data, data_size_t size );
 
 static const struct object_ops pipe_server_ops =
 {
@@ -162,7 +165,7 @@ static const struct fd_ops pipe_server_fd_ops =
     default_poll_event,           /* poll_event */
     pipe_server_flush,            /* flush */
     pipe_server_get_fd_type,      /* get_fd_type */
-    default_fd_ioctl,             /* ioctl */
+    pipe_server_ioctl,            /* ioctl */
     default_fd_queue_async,       /* queue_async */
     default_fd_reselect_async,    /* reselect_async */
     default_fd_cancel_async,      /* cancel_async */
@@ -567,6 +570,46 @@ static enum server_fd_type pipe_client_get_fd_type( struct fd *fd )
     return FD_TYPE_PIPE;
 }
 
+static void pipe_server_ioctl( struct fd *fd, unsigned int code, const async_data_t *async,
+                               const void *data, data_size_t size )
+{
+    struct pipe_server *server = get_fd_user( fd );
+
+    switch(code)
+    {
+    case FSCTL_PIPE_DISCONNECT:
+        switch(server->state)
+        {
+        case ps_connected_server:
+            assert( server->client );
+            assert( server->client->fd );
+
+            notify_empty( server );
+
+            /* dump the client and server fds, but keep the pointers
+               around - client loses all waiting data */
+            server->state = ps_disconnected_server;
+            do_disconnect( server );
+            break;
+        case ps_wait_disconnect:
+            assert( !server->client );
+            do_disconnect( server );
+            server->state = ps_wait_connect;
+            break;
+        case ps_idle_server:
+        case ps_wait_open:
+        case ps_disconnected_server:
+        case ps_wait_connect:
+            assert(0);  /* shouldn't even get an fd */
+            break;
+        }
+        break;
+    default:
+        default_fd_ioctl( fd, code, async, data, size );
+        break;
+    }
+}
+
 static struct named_pipe *create_named_pipe( struct directory *root, const struct unicode_str *name,
                                              unsigned int attr )
 {
@@ -874,45 +917,6 @@ DECL_HANDLER(wait_named_pipe)
     release_object( pipe );
 }
 
-DECL_HANDLER(disconnect_named_pipe)
-{
-    struct pipe_server *server;
-
-    server = get_pipe_server_obj( current->process, req->handle, 0 );
-    if (!server)
-        return;
-    switch(server->state)
-    {
-    case ps_connected_server:
-        assert( server->fd );
-        assert( server->client );
-        assert( server->client->fd );
-
-        notify_empty( server );
-
-        /* Dump the client and server fds, but keep the pointers
-           around - client loses all waiting data */
-        server->state = ps_disconnected_server;
-        do_disconnect( server );
-        break;
-
-    case ps_wait_disconnect:
-        assert( !server->client );
-        assert( server->fd );
-        do_disconnect( server );
-        server->state = ps_wait_connect;
-        break;
-
-    case ps_idle_server:
-    case ps_wait_open:
-    case ps_disconnected_server:
-    case ps_wait_connect:
-        set_error( STATUS_PIPE_DISCONNECTED );
-        break;
-    }
-    release_object( server );
-}
-
 DECL_HANDLER(get_named_pipe_info)
 {
     struct pipe_server *server;

server/protocol.def

@@ -2021,12 +2021,6 @@ enum message_type
 @END
 
 
-/* Disconnect a named pipe */
-@REQ(disconnect_named_pipe)
-    obj_handle_t   handle;
-@END
-
-
 @REQ(get_named_pipe_info)
     obj_handle_t   handle;
 @REPLY

server/request.h

@@ -249,7 +249,6 @@ DECL_HANDLER(ioctl);
 DECL_HANDLER(create_named_pipe);
 DECL_HANDLER(connect_named_pipe);
 DECL_HANDLER(wait_named_pipe);
-DECL_HANDLER(disconnect_named_pipe);
 DECL_HANDLER(get_named_pipe_info);
 DECL_HANDLER(create_window);
 DECL_HANDLER(destroy_window);
@@ -473,7 +472,6 @@ static const req_handler req_handlers[REQ_NB_REQUESTS] =
     (req_handler)req_create_named_pipe,
     (req_handler)req_connect_named_pipe,
     (req_handler)req_wait_named_pipe,
-    (req_handler)req_disconnect_named_pipe,
     (req_handler)req_get_named_pipe_info,
     (req_handler)req_create_window,
     (req_handler)req_destroy_window,

server/trace.c

@@ -2456,11 +2456,6 @@ static void dump_wait_named_pipe_request( const struct wait_named_pipe_request *
     dump_varargs_unicode_str( cur_size );
 }
 
-static void dump_disconnect_named_pipe_request( const struct disconnect_named_pipe_request *req )
-{
-    fprintf( stderr, " handle=%p", req->handle );
-}
-
 static void dump_get_named_pipe_info_request( const struct get_named_pipe_info_request *req )
 {
     fprintf( stderr, " handle=%p", req->handle );
@@ -3611,7 +3606,6 @@ static const dump_func req_dumpers[REQ_NB_REQUESTS] = {
     (dump_func)dump_create_named_pipe_request,
     (dump_func)dump_connect_named_pipe_request,
     (dump_func)dump_wait_named_pipe_request,
-    (dump_func)dump_disconnect_named_pipe_request,
     (dump_func)dump_get_named_pipe_info_request,
     (dump_func)dump_create_window_request,
     (dump_func)dump_destroy_window_request,
@@ -3832,7 +3826,6 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
     (dump_func)dump_create_named_pipe_reply,
     (dump_func)0,
     (dump_func)0,
-    (dump_func)0,
     (dump_func)dump_get_named_pipe_info_reply,
     (dump_func)dump_create_window_reply,
     (dump_func)0,
@@ -4053,7 +4046,6 @@ static const char * const req_names[REQ_NB_REQUESTS] = {
     "create_named_pipe",
     "connect_named_pipe",
     "wait_named_pipe",
-    "disconnect_named_pipe",
     "get_named_pipe_info",
     "create_window",
     "destroy_window",