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-rw-r--r--cpukit/score/src/threadsettransient.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/cpukit/score/src/threadsettransient.c b/cpukit/score/src/threadsettransient.c
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+/*
+ * Thread Handler / Thread Set Transient
+ *
+ * COPYRIGHT (c) 1989-2011.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * 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.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/system.h>
+#include <rtems/score/apiext.h>
+#include <rtems/score/context.h>
+#include <rtems/score/interr.h>
+#include <rtems/score/isr.h>
+#include <rtems/score/object.h>
+#include <rtems/score/priority.h>
+#include <rtems/score/scheduler.h>
+#include <rtems/score/schedulerpriority.h>
+#include <rtems/score/states.h>
+#include <rtems/score/sysstate.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/threadq.h>
+#include <rtems/score/userext.h>
+#include <rtems/score/wkspace.h>
+
+/*
+ * INTERRUPT LATENCY:
+ * only case
+ */
+void _Thread_Set_transient(
+ Thread_Control *the_thread
+)
+{
+ ISR_Level level;
+ uint32_t old_state;
+
+ _ISR_Disable( level );
+
+ old_state = the_thread->current_state;
+ the_thread->current_state = _States_Set( STATES_TRANSIENT, old_state );
+
+ if ( _States_Is_ready( old_state ) ) {
+ _Scheduler_Extract( the_thread );
+ }
+
+ _ISR_Enable( level );
+
+}