diff --git a/Documentation/NuttxUserGuide.html b/Documentation/NuttxUserGuide.html
index 9e63bb0b5d..a6002e5f9b 100644
--- a/Documentation/NuttxUserGuide.html
+++ b/Documentation/NuttxUserGuide.html
@@ -3280,7 +3280,7 @@ the unblocked signal is ignored.
 <b>Function Prototype:</b> 
 <pre>
     #include &lt;signal.h&gt;
-    int sigqueue (int tid, int signo, const union sigval value);
+    int sigqueue (int tid, int signo, union sigval value);
 </pre>
 
 <p>
diff --git a/configs/z16f2800100zcog/ostest/Make.defs b/configs/z16f2800100zcog/ostest/Make.defs
index 4186f75ed5..3dd0ae9eb8 100644
--- a/configs/z16f2800100zcog/ostest/Make.defs
+++ b/configs/z16f2800100zcog/ostest/Make.defs
@@ -1,5 +1,5 @@
 ############################################################################
-# configs/z16f2800100zcog/Make.defs
+# configs/z16f2800100zcog/ostest/Make.defs
 #
 #   Copyright (C) 2008 Gregory Nutt. All rights reserved.
 #   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -122,7 +122,7 @@ EXEEXT			= .hex
 
 define COMPILE
 	@echo "CC: $1"
-	@$(CC) $(CFLAGS) $1
+	@$(CC) $(CFLAGS) $1 1>/dev/null
 endef
 
 define ASSEMBLE
diff --git a/include/signal.h b/include/signal.h
index 15bcd8384d..76963784fc 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -1,5 +1,5 @@
 /********************************************************************************
- * signal.h
+ * include/signal.h
  *
  *   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@@ -190,7 +190,7 @@ EXTERN int sigwaitinfo(const sigset_t *set, struct siginfo *value);
 EXTERN int sigtimedwait(const sigset_t *set, struct siginfo *value,
                         const struct timespec *timeout);
 #ifdef CONFIG_CAN_PASS_STRUCTS
-EXTERN int sigqueue(int pid, int signo, const union sigval value);
+EXTERN int sigqueue(int pid, int signo, union sigval value);
 #else
 EXTERN int sigqueue(int pid, int signo, FAR void *sival_ptr);
 #endif
diff --git a/sched/sig_internal.h b/sched/sig_internal.h
index 93dee09041..b202ebfb48 100644
--- a/sched/sig_internal.h
+++ b/sched/sig_internal.h
@@ -1,7 +1,7 @@
-/************************************************************
- * sig_internal.h
+/****************************************************************************
+ * sched/sig_internal.h
  *
- *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -31,26 +31,26 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************/
+ ****************************************************************************/
 
 #ifndef __SIG_INTERNAL_H
 #define __SIG_INTERNAL_H
 
-/************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************/
+ ****************************************************************************/
 
 #include <nuttx/compiler.h>
 #include <queue.h>
 #include <sched.h>
 #include <nuttx/kmalloc.h>
 
-/************************************************************
+/****************************************************************************
  * Definitions
- ************************************************************/
+ ****************************************************************************/
 
-/* The following definition determines the number of signal
- * structures to allocate in a block
+/* The following definition determines the number of signal structures to
+ * allocate in a block
  */
 
 #define NUM_SIGNAL_ACTIONS      16
@@ -59,9 +59,9 @@
 #define NUM_SIGNALS_PENDING     16
 #define NUM_INT_SIGNALS_PENDING  8
 
-/************************************************************
+/****************************************************************************
  * Public Type Definitions
- ************************************************************/
+ ****************************************************************************/
 
 enum sigalloc_e
 {
@@ -113,47 +113,45 @@ struct sigq_s
 };
 typedef struct sigq_s sigq_t;
 
-/************************************************************
+/****************************************************************************
  * Global Variables
- ************************************************************/
+ ****************************************************************************/
 
-/* The g_sigfreeaction data structure is a list of available
- * signal action structures.
+/* The g_sigfreeaction data structure is a list of available signal action
+ * structures.
  */
 
 extern sq_queue_t  g_sigfreeaction;
 
-/* The g_sigpendingaction data structure is a list of available
- * pending signal action structures.
+/* The g_sigpendingaction data structure is a list of available pending
+ * signal action structures.
  */
 
 extern sq_queue_t  g_sigpendingaction;
 
-/* The g_sigpendingirqaction is a list of available
- * pending signal actions that are reserved for use by
- * interrupt handlers.
+/* The g_sigpendingirqaction is a list of available pending signal actions
+ * that are reserved for use by interrupt handlers.
  */
 
 extern sq_queue_t  g_sigpendingirqaction;
 
-/* The g_sigpendingsignal data structure is a list of
- * available pending signal structures.
+/* The g_sigpendingsignal data structure is a list of available pending
+ * signal structures.
  */
 
 extern sq_queue_t  g_sigpendingsignal;
 
-/* The g_sigpendingirqsignal data structure is a list
- * of available pending signal structures that are reserved
- * for use by interrupt handlers.
+/* The g_sigpendingirqsignal data structure is a list of available pending
+ * signal structures that are reserved for use by interrupt handlers.
  */
 
 extern sq_queue_t  g_sigpendingirqsignal;
 
-/************************************************************
+/****************************************************************************
  * Public Function Prototypes
- ************************************************************/
+ ****************************************************************************/
 
-/* Internal signal-related interfaces ***********************/
+/* Internal signal-related interfaces ***************************************/
 
 /* sig_intialize.c */
 
@@ -176,8 +174,7 @@ extern void               sig_deliver(FAR _TCB *stcb);
 extern FAR sigactq_t     *sig_findaction(FAR _TCB *stcb, int signo);
 extern int                sig_lowest(sigset_t *set);
 #ifdef CONFIG_CAN_PASS_STRUCTS
-extern int                sig_mqnotempty(int tid, int signo,
-                                         const union sigval value);
+extern int                sig_mqnotempty(int tid, int signo, union sigval value);
 #else
 extern int                sig_mqnotempty(int tid, int signo,
                                          void *sival_ptr);
diff --git a/sched/sig_mqnotempty.c b/sched/sig_mqnotempty.c
index cfed1560cb..ca2e7b49ad 100644
--- a/sched/sig_mqnotempty.c
+++ b/sched/sig_mqnotempty.c
@@ -1,7 +1,7 @@
-/************************************************************
- * sig_mqnotempty.c
+/****************************************************************************
+ * sched/sig_mqnotempty.c
  *
- *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -31,11 +31,11 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************/
+ ****************************************************************************/
 
 #include <nuttx/compiler.h>
 #include <sys/types.h>
@@ -45,31 +45,31 @@
 #include "os_internal.h"
 #include "sig_internal.h"
 
-/************************************************************
+/****************************************************************************
  * Definitions
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Private Type Declarations
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Global Variables
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Private Variables
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Private Functionss
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Public Functions
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Function: sig_mqnotempty
  *
  * Description:
@@ -79,10 +79,10 @@
  *   sigqueue(), except that it sets the si_code field in
  *   the siginfo structure to SI_MESGQ rather than SI_QUEUE.
  *
- ************************************************************/
+ ****************************************************************************/
 
 #ifdef CONFIG_CAN_PASS_STRUCTS
-int sig_mqnotempty (int pid, int signo, const union sigval value)
+int sig_mqnotempty (int pid, int signo, union sigval value)
 #else
 int sig_mqnotempty (int pid, int signo, void *sival_ptr)
 #endif
diff --git a/sched/sig_queue.c b/sched/sig_queue.c
index 0a0f558ec8..d0b421b9ba 100644
--- a/sched/sig_queue.c
+++ b/sched/sig_queue.c
@@ -1,7 +1,7 @@
-/************************************************************
- * sig_queue.c
+/****************************************************************************
+ * sched/sig_queue.c
  *
- *   Copyright (C) 2007 Gregory Nutt. All rights reserved.
+ *   Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
  *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
  *
  * Redistribution and use in source and binary forms, with or without
@@ -14,7 +14,7 @@
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
- * 3. Neither the name Gregory Nutt nor the names of its contributors may be
+ * 3. Neither the name NuttX nor the names of its contributors may be
  *    used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -31,11 +31,11 @@
  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  *
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Included Files
- ************************************************************/
+ ****************************************************************************/
 
 #include <nuttx/config.h>
 #include <nuttx/compiler.h>
@@ -47,31 +47,31 @@
 #include "os_internal.h"
 #include "sig_internal.h"
 
-/************************************************************
+/****************************************************************************
  * Definitions
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Private Type Declarations
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Global Variables
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Private Variables
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Private Functions
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Public Functions
- ************************************************************/
+ ****************************************************************************/
 
-/************************************************************
+/****************************************************************************
  * Function: sigqueue
  *
  * Description:
@@ -105,10 +105,10 @@
  *
  * Assumptions:
  *
- ************************************************************/
+ ****************************************************************************/
 
 #ifdef CONFIG_CAN_PASS_STRUCTS
-int sigqueue (int pid, int signo, const union sigval value)
+int sigqueue (int pid, int signo, union sigval value)
 #else
 int sigqueue(int pid, int signo, void *sival_ptr)
 #endif