sapi: Add rtems_configuration_is_smp_enabled()

Add a configuration field which indicates if the SMP mode of operation
is enabled.  This can be used to disable features unsupported on SMP,
e.g task variables.

6 files changed, 84 insertions, 0 deletions

diff --git a/testsuites/smptests/Makefile.am b/testsuites/smptests/Makefile.am
index 86991678a7..6760432ed0 100644
--- a/testsuites/smptests/Makefile.am
+++ b/testsuites/smptests/Makefile.am
@@ -21,6 +21,7 @@ SUBDIRS += smpatomic06
 SUBDIRS += smpatomic07
 SUBDIRS += smplock01
 SUBDIRS += smpschedule01
+SUBDIRS += smpunsupported01
 endif
 
 include $(top_srcdir)/../automake/subdirs.am
diff --git a/testsuites/smptests/configure.ac b/testsuites/smptests/configure.ac
index 19e1effb41..9d7a6cab7b 100644
--- a/testsuites/smptests/configure.ac
+++ b/testsuites/smptests/configure.ac
@@ -54,5 +54,6 @@ smpatomic06/Makefile
 smpatomic07/Makefile
 smplock01/Makefile
 smpschedule01/Makefile
+smpunsupported01/Makefile
 ])
 AC_OUTPUT
diff --git a/testsuites/smptests/smpunsupported01/Makefile.am b/testsuites/smptests/smpunsupported01/Makefile.am
new file mode 100644
index 0000000000..6f1826c24c
--- /dev/null
+++ b/testsuites/smptests/smpunsupported01/Makefile.am
@@ -0,0 +1,19 @@
+rtems_tests_PROGRAMS = smpunsupported01
+smpunsupported01_SOURCES = init.c
+
+dist_rtems_tests_DATA = smpunsupported01.scn smpunsupported01.doc
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
+include $(top_srcdir)/../automake/compile.am
+include $(top_srcdir)/../automake/leaf.am
+
+AM_CPPFLAGS += -I$(top_srcdir)/../support/include
+
+LINK_OBJS = $(smpunsupported01_OBJECTS)
+LINK_LIBS = $(smpunsupported01_LDLIBS)
+
+smpunsupported01$(EXEEXT): $(smpunsupported01_OBJECTS) $(smpunsupported01_DEPENDENCIES)
+	@rm -f smpunsupported01$(EXEEXT)
+	$(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/smptests/smpunsupported01/init.c b/testsuites/smptests/smpunsupported01/init.c
new file mode 100644
index 0000000000..0f1a1023a0
--- /dev/null
+++ b/testsuites/smptests/smpunsupported01/init.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2013 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include "tmacros.h"
+
+static void test(void)
+{
+  rtems_test_assert(rtems_configuration_is_smp_enabled());
+}
+
+static void Init(rtems_task_argument arg)
+{
+  puts("\n\n*** TEST SMPUNSUPPORTED 1 ***");
+
+  test();
+
+  puts("*** END OF TEST SMPUNSUPPORTED 1 ***");
+
+  rtems_test_exit(0);
+}
+
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+
+#define CONFIGURE_SMP_APPLICATION
+
+#define CONFIGURE_SMP_MAXIMUM_PROCESSORS 1
+
+#define CONFIGURE_MAXIMUM_TASKS 1
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>
diff --git a/testsuites/smptests/smpunsupported01/smpunsupported01.doc b/testsuites/smptests/smpunsupported01/smpunsupported01.doc
new file mode 100644
index 0000000000..954bf300c4
--- /dev/null
+++ b/testsuites/smptests/smpunsupported01/smpunsupported01.doc
@@ -0,0 +1,11 @@
+This file describes the directives and concepts tested by this test set.
+
+test set name: smpunsupported01
+
+directives:
+
+  - rtems_configuration_is_smp_enabled()
+
+concepts:
+
+  - Ensure that functions unsupported on SMP return an error status.
diff --git a/testsuites/smptests/smpunsupported01/smpunsupported01.scn b/testsuites/smptests/smpunsupported01/smpunsupported01.scn
new file mode 100644
index 0000000000..a4ced68747
--- /dev/null
+++ b/testsuites/smptests/smpunsupported01/smpunsupported01.scn
@@ -0,0 +1,2 @@
+*** TEST SMPUNSUPPORTED 1 ***
+*** END OF TEST SMPUNSUPPORTED 1 ***