Jacek Caban : server: Allow async_handoff users to set result themselves.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 74364ed0172ad91f0516cc95a4a5c1062a561e21
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=74364ed0172ad91f0516cc95a4a5c1062a561e21

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Mon Jun 26 12:19:40 2017 +0200

server: Allow async_handoff users to set result themselves.

Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 server/async.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/server/async.c b/server/async.c
index 409c9b5..3a83a63 100644
--- a/server/async.c
+++ b/server/async.c
@@ -338,13 +338,23 @@ obj_handle_t async_handoff( struct async *async, int success, data_size_t *resul
         return 0;
     }
 
-    if (async->iosb->status != STATUS_PENDING)
+    if (get_error() != STATUS_PENDING)
+    {
+        /* status and data are already set and returned */
+        async_terminate( async, get_error() );
+    }
+    else if (async->iosb->status != STATUS_PENDING)
     {
+        /* result is already available in iosb, return it */
         if (async->iosb->out_data)
         {
             set_reply_data_ptr( async->iosb->out_data, async->iosb->out_size );
             async->iosb->out_data = NULL;
         }
+    }
+
+    if (async->iosb->status != STATUS_PENDING)
+    {
         if (result) *result = async->iosb->result;
         async->signaled = 1;
     }