PR2069: [CBS Scheduler] Memory leak and enqueue problem

Due to the fact that CBS extends the EDF scheduler, most parts of EDF are
 reused. One part is the allocation of the per-thread data. However, the CBS
 per-thread structure defines a further element (while including the rest of
 Scheduler_EDF_Per_thread)

cpukit/score/Makefile.am

@@ -238,6 +238,7 @@ libscore_a_SOURCES += src/scheduleredf.c \
 
 ## SCHEDULERCBS_C_FILES
 libscore_a_SOURCES += src/schedulercbs.c \
+    src/schedulercbsallocate.c \
     src/schedulercbsattachthread.c \
     src/schedulercbscleanup.c \
     src/schedulercbscreateserver.c \

cpukit/score/include/rtems/score/schedulercbs.h

@@ -49,7 +49,7 @@ extern "C" {
     _Scheduler_EDF_Yield,            /* yield entry point */ \
     _Scheduler_EDF_Block,            /* block entry point */ \
     _Scheduler_CBS_Unblock,          /* unblock entry point */ \
-    _Scheduler_EDF_Allocate,         /* allocate entry point */ \
+    _Scheduler_CBS_Allocate,         /* allocate entry point */ \
     _Scheduler_EDF_Free,             /* free entry point */ \
     _Scheduler_EDF_Update,           /* update entry point */ \
     _Scheduler_EDF_Enqueue,          /* enqueue entry point */ \
@@ -315,6 +315,17 @@ void _Scheduler_CBS_Budget_callout(
   Thread_Control *the_thread
 );
 
+/**
+ *  @brief Scheduler CBS Allocate
+ *
+ *  This routine allocates CBS specific information of @a the_thread.
+ *
+ *  @param[in] the_thread is the thread the scheduler is allocating
+ *             management memory for.
+ */
+void *_Scheduler_CBS_Allocate(
+  Thread_Control      *the_thread
+);
 #ifdef __cplusplus
 }
 #endif