summaryrefslogtreecommitdiffstats
path: root/cpukit/score/src/threadevaluatemode.c
diff options
context:
space:
mode:
authorJoel Sherrill <joel.sherrill@OARcorp.com>1999-05-17 20:41:13 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1999-05-17 20:41:13 +0000
commit05df0a846f436295a490cc9ac19e5a4061c3a575 (patch)
tree886d4b9da28181bc0e7fe64a193b2642dcb3f5b2 /cpukit/score/src/threadevaluatemode.c
parentPatch from D. V. Henkel-Wallace <gumby@zembu.com> to remove compiler (diff)
downloadrtems-05df0a846f436295a490cc9ac19e5a4061c3a575.tar.bz2
Thread Handler split into multiple files. Eventually, as RTEMS is
split into one function per file, this will decrease the size of executables.
Diffstat (limited to 'cpukit/score/src/threadevaluatemode.c')
-rw-r--r--cpukit/score/src/threadevaluatemode.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/cpukit/score/src/threadevaluatemode.c b/cpukit/score/src/threadevaluatemode.c
new file mode 100644
index 0000000000..1f8bde4a3a
--- /dev/null
+++ b/cpukit/score/src/threadevaluatemode.c
@@ -0,0 +1,50 @@
+/*
+ * Thread Handler
+ *
+ *
+ * COPYRIGHT (c) 1989-1998.
+ * On-Line Applications Research Corporation (OAR).
+ * Copyright assigned to U.S. Government, 1994.
+ *
+ * The license and distribution terms for this file may be
+ * found in found in the file LICENSE in this distribution or at
+ * http://www.OARcorp.com/rtems/license.html.
+ *
+ * $Id$
+ */
+
+#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/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>
+
+/*PAGE
+ *
+ * _Thread_Evaluate_mode
+ *
+ * XXX
+ */
+
+boolean _Thread_Evaluate_mode( void )
+{
+ Thread_Control *executing;
+
+ executing = _Thread_Executing;
+
+ if ( !_States_Is_ready( executing->current_state ) ||
+ ( !_Thread_Is_heir( executing ) && executing->is_preemptible ) ) {
+ _Context_Switch_necessary = TRUE;
+ return TRUE;
+ }
+
+ return FALSE;
+}