score: Move thread dispatch content to new file

Move thread dispatch declarations and inline functions to new header
<rtems/score/threaddispatch.h> to make it independent of the
Thread_Control structure.  This avoids a cyclic dependency in case
thread dispatch functions are used for the object implementation.

4 files changed, 5 insertions, 140 deletions

diff --git a/cpukit/score/inline/rtems/score/coremutex.inl b/cpukit/score/inline/rtems/score/coremutex.inl
index d34a967bd3..591cded136 100644
--- a/cpukit/score/inline/rtems/score/coremutex.inl
+++ b/cpukit/score/inline/rtems/score/coremutex.inl
@@ -23,6 +23,8 @@
 #ifndef _RTEMS_SCORE_COREMUTEX_INL
 #define _RTEMS_SCORE_COREMUTEX_INL
 
+#include <rtems/score/threaddispatch.h>
+
 /**
  * @addtogroup ScoreMutex
  */
diff --git a/cpukit/score/inline/rtems/score/coresem.inl b/cpukit/score/inline/rtems/score/coresem.inl
index aa021eb1db..0ae3b33cd3 100644
--- a/cpukit/score/inline/rtems/score/coresem.inl
+++ b/cpukit/score/inline/rtems/score/coresem.inl
@@ -29,6 +29,7 @@
 /**@{**/
 
 #include <rtems/score/thread.h>
+#include <rtems/score/threaddispatch.h>
 #include <rtems/score/threadq.h>
 
 /**
diff --git a/cpukit/score/inline/rtems/score/object.inl b/cpukit/score/inline/rtems/score/object.inl
index 726d676cd9..efdb23d0e3 100644
--- a/cpukit/score/inline/rtems/score/object.inl
+++ b/cpukit/score/inline/rtems/score/object.inl
@@ -23,6 +23,8 @@
 #ifndef _RTEMS_SCORE_OBJECT_INL
 #define _RTEMS_SCORE_OBJECT_INL
 
+#include <rtems/score/threaddispatch.h>
+
 /**
  * This function builds an object's id from the processor node and index
  * values specified.
diff --git a/cpukit/score/inline/rtems/score/thread.inl b/cpukit/score/inline/rtems/score/thread.inl
index a42da1d5b8..e6e192901d 100644
--- a/cpukit/score/inline/rtems/score/thread.inl
+++ b/cpukit/score/inline/rtems/score/thread.inl
@@ -31,91 +31,6 @@
  */
 /**@{**/
 
-#if defined(RTEMS_SMP)
-
-  /*
-   * The _Thread_Dispatch_... functions are prototyped in thread.h.
-   */
-
-#else
-
-  /**
- * @brief _Thread_Dispatch_in_critical_section
-   *
-   * This routine returns true if thread dispatch indicates
-   * that we are in a critical section.
-   */
-  RTEMS_INLINE_ROUTINE bool _Thread_Dispatch_in_critical_section(void)
-  {
-     if (  _Thread_Dispatch_disable_level == 0 )
-      return false;
-
-     return true;
-  }
-
-  /**
-   * @brief Get thread dispatch disable level.
-   *
-   * This routine returns value of the the thread dispatch level.
-   */
-  RTEMS_INLINE_ROUTINE uint32_t _Thread_Dispatch_get_disable_level(void)
-  {
-    return _Thread_Dispatch_disable_level;
-  }
-
-  /**
-   * @brief Set thread dispatch disable level.
-   *
-   * This routine sets thread dispatch level to the
-   * value passed in.
-   */
-  RTEMS_INLINE_ROUTINE uint32_t _Thread_Dispatch_set_disable_level(uint32_t value)
-  {
-    _Thread_Dispatch_disable_level = value;
-    return value;
-  }
-
-  /**
-   * @brief Increase thread dispatch disable level.
-   *
-   * This rountine increments the thread dispatch level
-   */
-  RTEMS_INLINE_ROUTINE uint32_t _Thread_Dispatch_increment_disable_level(void)
-  {
-    uint32_t level = _Thread_Dispatch_disable_level;
-
-    ++level;
-    _Thread_Dispatch_disable_level = level;
-
-    return level;
-  }
-
-  /**
-   * @brief Decrease thread dispatch disable level.
-   *
-   * This routine decrements the thread dispatch level.
-   */
-  RTEMS_INLINE_ROUTINE uint32_t _Thread_Dispatch_decrement_disable_level(void)
-  {
-    uint32_t level = _Thread_Dispatch_disable_level;
-
-    --level;
-    _Thread_Dispatch_disable_level = level;
-
-    return level;
-  }
-
-  /**
-   * @brief Thread dispatch initialization.
-   *
-   * This routine initializes the thread dispatching subsystem.
-   */
-  RTEMS_INLINE_ROUTINE void _Thread_Dispatch_initialization( void )
-  {
-    _Thread_Dispatch_set_disable_level( 1 );
-  }
-
-#endif
 
 /**
  * This routine halts multitasking and returns control to
@@ -237,61 +152,6 @@ RTEMS_INLINE_ROUTINE void _Thread_Deallocate_fp( void )
 #endif
 
 /**
- * This routine prevents dispatching.
- */
-
-#if defined ( __THREAD_DO_NOT_INLINE_DISABLE_DISPATCH__ )
-void _Thread_Disable_dispatch( void );
-#else
-RTEMS_INLINE_ROUTINE void _Thread_Disable_dispatch( void )
-{
-  _Thread_Dispatch_increment_disable_level();
-  RTEMS_COMPILER_MEMORY_BARRIER();
-}
-#endif
-
-/**
- * This routine allows dispatching to occur again.  If this is
- * the outer most dispatching critical section, then a dispatching
- * operation will be performed and, if necessary, control of the
- * processor will be transferred to the heir thread.
- */
-
-#if defined ( __THREAD_DO_NOT_INLINE_ENABLE_DISPATCH__ )
-  void _Thread_Enable_dispatch( void );
-#else
-  /* inlining of enable dispatching must be true */
-  RTEMS_INLINE_ROUTINE void _Thread_Enable_dispatch( void )
-  {
-    RTEMS_COMPILER_MEMORY_BARRIER();
-    if ( _Thread_Dispatch_decrement_disable_level() == 0 )
-      _Thread_Dispatch();
-  }
-#endif
-
-/**
- * This routine allows dispatching to occur again.  However,
- * no dispatching operation is performed even if this is the outer
- * most dispatching critical section.
- */
-
-RTEMS_INLINE_ROUTINE void _Thread_Unnest_dispatch( void )
-{
-  RTEMS_COMPILER_MEMORY_BARRIER();
-  _Thread_Dispatch_decrement_disable_level();
-}
-
-/**
- * This function returns true if dispatching is disabled, and false
- * otherwise.
- */
-
-RTEMS_INLINE_ROUTINE bool _Thread_Is_dispatching_enabled( void )
-{
-  return  ( _Thread_Dispatch_in_critical_section() == false );
-}
-
-/**
  * This function returns true if dispatching is disabled, and false
  * otherwise.
  */