NxWM: Add a missing part of the message blocking logic

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4748 42af7a65-404d-4744-a932-0658087f49c3

4 files changed, 10 insertions, 4 deletions

diff --git a/nuttx/graphics/nxmu/nx_block.c b/nuttx/graphics/nxmu/nx_block.c
index 10dad8b94..2f069f096 100644
--- a/nuttx/graphics/nxmu/nx_block.c
+++ b/nuttx/graphics/nxmu/nx_block.c
@@ -94,13 +94,15 @@
  *
  * Input Parameters:
  *   wnd - The window to be blocked
+ *   arg - An argument that will accompany the block messages (This is arg2
+ *         in the blocked callback).
  *
  * Return:
  *   OK on success; ERROR on failure with errno set appropriately
  *
  ****************************************************************************/
 
-int nx_block(NXWINDOW hwnd)
+int nx_block(NXWINDOW hwnd, FAR void *arg)
 {
   FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd;
   struct nxsvrmsg_blocked_s outmsg;
@@ -132,6 +134,7 @@ int nx_block(NXWINDOW hwnd)
 
       outmsg.msgid = NX_SVRMSG_BLOCKED;
       outmsg.wnd   = wnd;
+      outmsg.arg   = arg;
 
       /* Send the window message via nxmu_sendserver (vs. nxmu_sendwindow) so
        * that it will not be blocked.
diff --git a/nuttx/graphics/nxmu/nx_eventhandler.c b/nuttx/graphics/nxmu/nx_eventhandler.c
index 75300b248..944bb12d1 100644
--- a/nuttx/graphics/nxmu/nx_eventhandler.c
+++ b/nuttx/graphics/nxmu/nx_eventhandler.c
@@ -245,7 +245,7 @@ int nx_eventhandler(NXHANDLE handle)
         DEBUGASSERT(wnd);
         if (wnd->cb->blocked)
           {
-            wnd->cb->blocked((NXWINDOW)wnd, wnd->arg);
+            wnd->cb->blocked((NXWINDOW)wnd, wnd->arg, blocked->arg);
           }
         }
       break;
diff --git a/nuttx/graphics/nxmu/nxfe.h b/nuttx/graphics/nxmu/nxfe.h
index a70e635f5..8b6a21ef4 100644
--- a/nuttx/graphics/nxmu/nxfe.h
+++ b/nuttx/graphics/nxmu/nxfe.h
@@ -258,6 +258,7 @@ struct nxclimsg_blocked_s
 {
   uint32_t msgid;                /* NX_CLIMSG_BLOCKED */
   FAR struct nxbe_window_s *wnd; /* The window that is blocked */
+  FAR void *arg;                 /* User argument */
 };
 
 /* Client-to-Server Message Structures **************************************/
@@ -299,6 +300,7 @@ struct nxsvrmsg_blocked_s
 {
   uint32_t msgid;                /* NX_SVRMSG_BLOCKED */
   FAR struct nxbe_window_s *wnd; /* The window that is blocked */
+  FAR void *arg;                 /* User argument */
 };
 
 /* This message requests the server to create a new window */
diff --git a/nuttx/graphics/nxmu/nxmu_server.c b/nuttx/graphics/nxmu/nxmu_server.c
index c412b1492..2730e0ea2 100644
--- a/nuttx/graphics/nxmu/nxmu_server.c
+++ b/nuttx/graphics/nxmu/nxmu_server.c
@@ -154,13 +154,14 @@ static inline void nxmu_shutdown(FAR struct nxfe_state_s *fe)
  * Name: nxmu_blocked
  ****************************************************************************/
 
-static inline void nxmu_blocked(FAR struct nxbe_window_s *wnd)
+static inline void nxmu_blocked(FAR struct nxbe_window_s *wnd, FAR void *arg)
 {
   struct nxclimsg_blocked_s outmsg;
   int ret;
 
   outmsg.msgid = NX_CLIMSG_BLOCKED;
   outmsg.wnd   = wnd;
+  outmsg.arg   = arg;
 
   ret = nxmu_sendclient(wnd->conn, &outmsg, sizeof(struct nxclimsg_blocked_s));
   if (ret < 0)
@@ -380,7 +381,7 @@ int nx_runinstance(FAR const char *mqname, FAR NX_DRIVERTYPE *dev)
          case NX_SVRMSG_BLOCKED: /* Block messsages to a window */
            {
              FAR struct nxsvrmsg_blocked_s *blocked = (FAR struct nxsvrmsg_blocked_s *)buffer;
-             nxmu_blocked(blocked->wnd);
+             nxmu_blocked(blocked->wnd, blocked->arg);
            }
            break;