Alexandre Julliard : server: Queue an IRP_MJ_CLOSE request on file destruction.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 350ee62ab4ea40904296dcf90cf052938ca4ae75
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=350ee62ab4ea40904296dcf90c...

Author: Alexandre Julliard 
Date:   Wed Jul  8 18:05:04 2015 +0900

server: Queue an IRP_MJ_CLOSE request on file destruction.

---

include/wine/server_protocol.h |  8 +++++++-
 server/device.c                | 24 +++++++++++++++++++++++-
 server/protocol.def            |  6 ++++++
 server/trace.c                 |  5 +++++
 4 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/include/wine/server_protocol.h b/include/wine/server_protocol.h
index 8f18035..9807dcc 100644
--- a/include/wine/server_protocol.h
+++ b/include/wine/server_protocol.h
@@ -645,6 +645,12 @@ typedef union
     struct
     {
         unsigned int     major;
+        int              __pad;
+        client_ptr_t     device;
+    } close;
+    struct
+    {
+        unsigned int     major;
         unsigned int     key;
         client_ptr_t     device;
         file_pos_t       pos;
@@ -6089,6 +6095,6 @@ union generic_reply
     struct terminate_job_reply terminate_job_reply;
 };

-#define SERVER_PROTOCOL_VERSION 478
+#define SERVER_PROTOCOL_VERSION 479

#endif /* __WINE_WINE_SERVER_PROTOCOL_H */
diff --git a/server/device.c b/server/device.c
index 021f11b..2bdf82a 100644
--- a/server/device.c
+++ b/server/device.c
@@ -170,6 +170,7 @@ struct device_file

static void device_file_dump( struct object *obj, int verbose );
 static struct fd *device_file_get_fd( struct object *obj );
+static int device_file_close_handle( struct object *obj, struct process *process, obj_handle_t handle );
 static void device_file_destroy( struct object *obj );
 static enum server_fd_type device_file_get_fd_type( struct fd *fd );
 static obj_handle_t device_file_read( struct fd *fd, const async_data_t *async_data, int blocking,
@@ -196,7 +197,7 @@ static const struct object_ops device_file_ops =
     default_set_sd,                   /* set_sd */
     no_lookup_name,                   /* lookup_name */
     no_open_file,                     /* open_file */
-    no_close_handle,                  /* close_handle */
+    device_file_close_handle,         /* close_handle */
     device_file_destroy               /* destroy */
 };

@@ -409,6 +410,27 @@ static struct fd *device_file_get_fd( struct object *obj )
     return (struct fd *)grab_object( file->fd );
 }

+static int device_file_close_handle( struct object *obj, struct process *process, obj_handle_t handle )
+{
+    struct device_file *file = (struct device_file *)obj;
+
+    if (file->device->manager && obj->handle_count == 1)  /* last handle */
+    {
+        struct irp_call *irp;
+        irp_params_t params;
+
+        params.close.major  = IRP_MJ_CLOSE;
+        params.close.device = file->device->user_ptr;
+
+        if ((irp = create_irp( file, &params, NULL, 0, 0 )))
+        {
+            add_irp_to_queue( file, irp );
+            release_object( irp );
+        }
+    }
+    return 1;
+}
+
 static void device_file_destroy( struct object *obj )
 {
     struct device_file *file = (struct device_file *)obj;
diff --git a/server/protocol.def b/server/protocol.def
index 5372c52..1578345 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -660,6 +660,12 @@ typedef union
     } create;
     struct
     {
+        unsigned int     major;     /* IRP_MJ_CLOSE */
+        int              __pad;
+        client_ptr_t     device;    /* opaque ptr for the device */
+    } close;
+    struct
+    {
         unsigned int     major;     /* IRP_MJ_READ */
         unsigned int     key;       /* driver key */
         client_ptr_t     device;    /* opaque ptr for the device */
diff --git a/server/trace.c b/server/trace.c
index 4c728ef..f24c368 100644
--- a/server/trace.c
+++ b/server/trace.c
@@ -322,6 +322,11 @@ static void dump_irp_params( const char *prefix, const irp_params_t *data )
         dump_uint64( ",device=", &data->create.device );
         fputc( '}', stderr );
         break;
+    case IRP_MJ_CLOSE:
+        fprintf( stderr, "%s{major=CLOSE", prefix );
+        dump_uint64( ",device=", &data->close.device );
+        fputc( '}', stderr );
+        break;
     case IRP_MJ_READ:
         fprintf( stderr, "%s{major=READ,key=%08x", prefix, data->read.key );
         dump_uint64( ",pos=", &data->read.pos );