cpukit/posix/*: Address unused parameter warnings

Add "(void) param;" annotation to address unused parameter warnings.
Found with GCC's warning -Wunused-paramter.

cpukit/posix/src/alarm.c

@@ -54,6 +54,8 @@ static ISR_lock_Control _POSIX_signals_Alarm_lock =
 
 static void _POSIX_signals_Alarm_TSR( Watchdog_Control *the_watchdog )
 {
+  (void) the_watchdog;
+
   int status;
 
   status = kill( getpid(), SIGALRM );

cpukit/posix/src/clockgetcpuclockid.c

@@ -55,5 +55,8 @@ int clock_getcpuclockid(
   clockid_t *clock_id
 )
 {
+  (void) pid;
+  (void) clock_id;
+
   rtems_set_errno_and_return_minus_one( ENOSYS );
 }

cpukit/posix/src/condwaitsupp.c

@@ -51,6 +51,8 @@ static void _POSIX_Condition_variables_Mutex_unlock(
   Thread_queue_Context *queue_context
 )
 {
+  (void) queue_context;
+
   POSIX_Condition_variables_Control *the_cond;
   int                                mutex_error;
 
@@ -75,6 +77,8 @@ static void _POSIX_Condition_variables_Enqueue_no_timeout(
   Thread_queue_Context *queue_context
 )
 {
+  (void) cpu_self;
+
   _POSIX_Condition_variables_Mutex_unlock( queue, the_thread, queue_context );
 }
 
@@ -101,6 +105,8 @@ int _POSIX_Condition_variables_Wait_support(
   clockid_t                 clock_id
 )
 {
+  (void) clock_id;
+
   POSIX_Condition_variables_Control *the_cond;
   unsigned long                      flags;
   Thread_queue_Context               queue_context;

cpukit/posix/src/kill_r.c

@@ -56,6 +56,8 @@ int _kill_r(
   int            sig
 )
 {
+  (void) ptr;
+
   return _POSIX_signals_Send( pid, sig, NULL );
 }
 #endif

cpukit/posix/src/pspindestroy.c

@@ -48,6 +48,8 @@ int pthread_spin_destroy( pthread_spinlock_t *spinlock )
 
   the_spinlock = _POSIX_Spinlock_Get( spinlock );
   _SMP_ticket_lock_Destroy( &the_spinlock->Lock );
+#else
+  (void) spinlock;
 #endif
   return 0;
 }

cpukit/posix/src/pspininit.c

@@ -49,11 +49,15 @@ int pthread_spin_init(
   int                  pshared
 )
 {
+  (void) pshared;
+
 #if defined(RTEMS_SMP)
   POSIX_Spinlock_Control *the_spinlock;
 
   the_spinlock = _POSIX_Spinlock_Get( spinlock );
   _SMP_ticket_lock_Initialize( &the_spinlock->Lock );
+#else
+  (void) spinlock;
 #endif
   return 0;
 }

cpukit/posix/src/pthreadgetcpuclockid.c

@@ -50,5 +50,8 @@ int pthread_getcpuclockid(
   clockid_t   *clock_id
 )
 {
+  (void) pid;
+  (void) clock_id;
+
   rtems_set_errno_and_return_minus_one( ENOSYS );
 }

cpukit/posix/src/seminit.c

@@ -52,6 +52,8 @@ int sem_init(
   unsigned int   value
 )
 {
+  (void) pshared;
+
   if ( sem == NULL ) {
     rtems_set_errno_and_return_minus_one( EINVAL );
   }

cpukit/posix/src/shmheap.c

@@ -117,6 +117,8 @@ void * _POSIX_Shm_Object_mmap_from_heap(
   off_t off
 )
 {
+  (void) prot;
+
   if ( shm_obj == NULL || shm_obj->handle == NULL )
     return 0;
 

cpukit/posix/src/shmwkspace.c

@@ -106,6 +106,8 @@ void * _POSIX_Shm_Object_mmap_from_workspace(
   off_t off
 )
 {
+  (void) prot;
+
   if ( shm_obj == NULL || shm_obj->handle == NULL )
     return 0;
 

cpukit/posix/src/wait.c

@@ -47,5 +47,7 @@ int wait(
   int   *stat_loc
 )
 {
+  (void) stat_loc;
+
   rtems_set_errno_and_return_minus_one( ENOSYS );
 }

cpukit/posix/src/waitpid.c

@@ -48,5 +48,9 @@ int waitpid(
   int options
 )
 {
+  (void) pid;
+  (void) stat_loc;
+  (void) options;
+
   rtems_set_errno_and_return_minus_one( ENOSYS );
 }