score: Delete _Assert_Thread_dispatching_repressed

Add _Debug_Is_thread_dispatching_allowed().  This makes it possible to
assert the opposite.

Use _ISR_Disable_without_giant()/_ISR_Enable_without_giant() to avoid
misleading secondary assertion failures.

1 files changed, 37 insertions, 0 deletions

diff --git a/cpukit/score/src/debugisthreaddispatchingallowed.c b/cpukit/score/src/debugisthreaddispatchingallowed.c
new file mode 100644
index 0000000000..fa5b502471
--- /dev/null
+++ b/cpukit/score/src/debugisthreaddispatchingallowed.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2013-2014 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#if HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems/score/assert.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/threaddispatch.h>
+
+#if defined( RTEMS_DEBUG )
+  bool _Debug_Is_thread_dispatching_allowed( void )
+  {
+    bool dispatch_allowed;
+    ISR_Level level;
+    Per_CPU_Control *per_cpu;
+
+    _ISR_Disable_without_giant( level );
+    per_cpu = _Per_CPU_Get_by_index( _SMP_Get_current_processor() );
+    dispatch_allowed = per_cpu->thread_dispatch_disable_level == 0;
+    _ISR_Enable_without_giant( level );
+
+    return dispatch_allowed && _ISR_Get_level() == 0;
+  }
+#endif