From f1310686dead78d5bbfecba31ee10bc2ec5d3bc3 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Tue, 1 May 2012 23:31:47 +0000
Subject: Missed Calypso file

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4685 42af7a65-404d-4744-a932-0658087f49c3
---
 NxWidgets/libnxwidgets/include/nxconfig.hxx | 30 +++++++++++++++++++++++------
 NxWidgets/nxwm/include/nxwmconfig.hxx       | 10 +++++++++-
 2 files changed, 33 insertions(+), 7 deletions(-)

(limited to 'NxWidgets')

diff --git a/NxWidgets/libnxwidgets/include/nxconfig.hxx b/NxWidgets/libnxwidgets/include/nxconfig.hxx
index 682eadb82..1c7b6a3f0 100644
--- a/NxWidgets/libnxwidgets/include/nxconfig.hxx
+++ b/NxWidgets/libnxwidgets/include/nxconfig.hxx
@@ -119,13 +119,18 @@
  */
 
 #ifndef CONFIG_NXWIDGETS_SERVERPRIO
-#  define CONFIG_NXWIDGETS_SERVERPRIO SCHED_PRIORITY_DEFAULT
+#  define CONFIG_NXWIDGETS_SERVERPRIO (SCHED_PRIORITY_DEFAULT+1)
 #endif
 
 #ifndef CONFIG_NXWIDGETS_CLIENTPRIO
 #  define CONFIG_NXWIDGETS_CLIENTPRIO SCHED_PRIORITY_DEFAULT
 #endif
 
+#if CONFIG_NXWIDGETS_SERVERPRIO <= CONFIG_NXWIDGETS_CLIENTPRIO
+#  warning "CONFIG_NXWIDGETS_SERVERPRIO <= CONFIG_NXWIDGETS_CLIENTPRIO"
+#  warning" -- This can result in data overrun errors"
+#endif
+
 /**
  * NX server thread stack size (in multi-user mode)
  */
@@ -142,6 +147,11 @@
 #  define CONFIG_NXWIDGETS_LISTENERPRIO SCHED_PRIORITY_DEFAULT
 #endif
 
+#if CONFIG_NXWIDGETS_SERVERPRIO <= CONFIG_NXWIDGETS_LISTENERPRIO
+#  warning "CONFIG_NXWIDGETS_SERVERPRIO <= CONFIG_NXWIDGETS_LISTENERPRIO"
+#  warning" -- This can result in data overrun errors"
+#endif
+
 /**
  * NX listener thread stack size (in multi-user mode)
  */
@@ -157,11 +167,19 @@
  * CONFIG_NXWIDGETS_DEVNO - LCD device number (in case there are more than
  *   one LCDs connected.  Default: 0
  * CONFIG_NXWIDGETS_VPLANE - Only a single video plane is supported. Default: 0
- * CONFIG_NXWIDGETS_SERVERPRIO - Priority of the NX server (in multi-user mode).
- *   Default: 50
- * CONFIG_NXWIDGETS_CLIENTPRIO
- * CONFIG_NXWIDGETS_LISTENERPRIO - Priority of the NX event listener thread (in
- *   multi-user mode). Default: 50
+ * CONFIG_NXWIDGETS_SERVERPRIO - Priority of the NX server.  This applies
+ *   only if NX is configured in multi-user mode (CONFIG_NX_MULTIUSER=y).
+ *   Default: SCHED_PRIORITY_DEFAULT+1.  NOTE:  Of the three priority
+ *   definitions here, CONFIG_NXWIDGETS_SERVERPRIO should have the highest
+ *   priority to avoid data overrun race conditions. Such errors would most
+ *   likely appear as duplicated rows of data on the display.
+ * CONFIG_NXWIDGETS_CLIENTPRIO - The thread that calls CNxServer::connect()
+ *   will be re-prioritized to this priority.  This applies only if NX is
+ *   configured in multi-user mode (CONFIG_NX_MULTIUSER=y). Default:
+ *   SCHED_PRIORITY_DEFAULT
+ * CONFIG_NXWIDGETS_LISTENERPRIO - Priority of the NX event listener thread.
+ *   This applies only if NX is configured in multi-user mode
+ *   (CONFIG_NX_MULTIUSER=y). Default: SCHED_PRIORITY_DEFAULT
  * CONFIG_NXWIDGETS_EXTERNINIT - Define to support external display
  *   initialization.
  * CONFIG_NXWIDGETS_SERVERSTACK - NX server thread stack size (in multi-user
diff --git a/NxWidgets/nxwm/include/nxwmconfig.hxx b/NxWidgets/nxwm/include/nxwmconfig.hxx
index d76b08098..cfdd7510e 100644
--- a/NxWidgets/nxwm/include/nxwmconfig.hxx
+++ b/NxWidgets/nxwm/include/nxwmconfig.hxx
@@ -282,7 +282,10 @@
  * NxConsole Window Configuration
  *
  * CONFIG_NXWM_NXCONSOLE_PRIO - Priority of the NxConsole task.  Default:
- *   SCHED_PRIORITY_DEFAULT
+ *   SCHED_PRIORITY_DEFAULT.  NOTE:  This priority should be less than
+ *   CONFIG_NXWIDGETS_SERVERPRIO or else there may be data overrun errors.
+ *   Such errors would most likely appear as duplicated rows of data on the
+ *   display.
  * CONFIG_NXWM_NXCONSOLE_STACKSIZE - The stack size to use when starting the
  *   NxConsole task.  Default: 2048 bytes.
  * CONFIG_NXWM_NXCONSOLE_WCOLOR - The color of the NxConsole window background.
@@ -297,6 +300,11 @@
 #  define CONFIG_NXWM_NXCONSOLE_PRIO  SCHED_PRIORITY_DEFAULT
 #endif
 
+#if CONFIG_NXWIDGETS_SERVERPRIO <= CONFIG_NXWM_NXCONSOLE_PRIO
+#  warning "CONFIG_NXWIDGETS_SERVERPRIO <= CONFIG_NXWM_NXCONSOLE_PRIO"
+#  warning" -- This can result in data overrun errors"
+#endif
+
 #ifndef CONFIG_NXWM_NXCONSOLE_STACKSIZE
 #  define CONFIG_NXWM_NXCONSOLE_STACKSIZE  2048
 #endif
-- 
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