score: Delete CORE_mutex_Control::blocked_count

cpukit/score/include/rtems/score/coremutex.h

@@ -162,8 +162,6 @@ typedef struct {
    *  nested.  This must be zero (0) before the mutex is actually unlocked.
    */
   uint32_t                nest_count;
-  /** This is the number of waiting threads. */
-  uint32_t                blocked_count;
   /** This element points to the thread which is currently holding this mutex.
    *  The holder is the last thread to successfully lock the mutex and which
    *  has not unlocked it.  If the thread is not locked, there is no holder.

cpukit/score/src/coremutex.c

@@ -38,7 +38,6 @@ CORE_mutex_Status _CORE_mutex_Initialize(
 
   the_mutex->Attributes    = *the_mutex_attributes;
   the_mutex->lock          = initial_lock;
-  the_mutex->blocked_count = 0;
 
   if ( initial_lock == CORE_MUTEX_LOCKED ) {
     the_mutex->nest_count = 1;

cpukit/score/src/coremutexseize.c

@@ -60,7 +60,6 @@ void _CORE_mutex_Seize_interrupt_blocking(
     );
   }
 
-  the_mutex->blocked_count++;
   _Thread_queue_Enqueue( &the_mutex->Wait_queue, executing, timeout );
 
   _Thread_Enable_dispatch();