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authorpx4dev <px4@purgatory.org>2013-01-14 21:01:58 -0800
committerpx4dev <px4@purgatory.org>2013-01-14 21:01:58 -0800
commit854c6436b4e3b292fd04843795d0369dc8856783 (patch)
tree4d5602f5c70926d2dcd01294561ddd8df4378462 /nuttx/graphics/nxmu/nxmu_sendwindow.c
parent6d138a845aabad31060bd00da0d20d177d3f4be4 (diff)
parentc38ad4ded570eddadeeca3579d02dfc63dcc8a9d (diff)
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Pull NuttX up to the 6.24 release.
Merge branch 'nuttx-merge-5447'
Diffstat (limited to 'nuttx/graphics/nxmu/nxmu_sendwindow.c')
-rw-r--r--nuttx/graphics/nxmu/nxmu_sendwindow.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/nuttx/graphics/nxmu/nxmu_sendwindow.c b/nuttx/graphics/nxmu/nxmu_sendwindow.c
index 6f64ffff2..0826a45bc 100644
--- a/nuttx/graphics/nxmu/nxmu_sendwindow.c
+++ b/nuttx/graphics/nxmu/nxmu_sendwindow.c
@@ -112,3 +112,47 @@ int nxmu_sendwindow(FAR struct nxbe_window_s *wnd, FAR const void *msg,
return ret;
}
+
+/****************************************************************************
+ * Name: nxmu_sendclientwindow
+ *
+ * Description:
+ * Send a message to the client at NX_CLIMSG_PRIO priority
+ *
+ * Input Parameters:
+ * wnd - A pointer to the back-end window structure
+ * msg - A pointer to the message to send
+ * msglen - The length of the message in bytes.
+ *
+ * Return:
+ * OK on success; ERROR on failure with errno set appropriately
+ *
+ ****************************************************************************/
+
+int nxmu_sendclientwindow(FAR struct nxbe_window_s *wnd, FAR const void *msg,
+ size_t msglen)
+{
+ int ret = OK;
+
+ /* Sanity checking */
+
+#ifdef CONFIG_DEBUG
+ if (!wnd || !wnd->conn)
+ {
+ errno = EINVAL;
+ return ERROR;
+ }
+#endif
+
+ /* Ignore messages destined to a blocked window (no errors reported) */
+
+ if (!NXBE_ISBLOCKED(wnd))
+ {
+ /* Send the message to the server */
+
+ ret = nxmu_sendclient(wnd->conn, msg, msglen);
+ }
+
+ return ret;
+}
+