sptests/spsem03: New test

6 files changed, 194 insertions, 0 deletions

diff --git a/testsuites/sptests/Makefile.am b/testsuites/sptests/Makefile.am
index e55061e757..a0acbc3093 100644
--- a/testsuites/sptests/Makefile.am
+++ b/testsuites/sptests/Makefile.am
@@ -37,6 +37,7 @@ if HAS_SMP
 else
 _SUBDIRS += sp29
 endif
+_SUBDIRS += spsem03
 _SUBDIRS += spresource01
 _SUBDIRS += spmrsp01
 _SUBDIRS += spscheduler01
diff --git a/testsuites/sptests/configure.ac b/testsuites/sptests/configure.ac
index 42fb87f7c2..d376a4f429 100644
--- a/testsuites/sptests/configure.ac
+++ b/testsuites/sptests/configure.ac
@@ -40,6 +40,7 @@ AM_CONDITIONAL(HAS_SMP,test "$rtems_cv_RTEMS_SMP" = "yes")
 
 # Explicitly list all Makefiles here
 AC_CONFIG_FILES([Makefile
+spsem03/Makefile
 spresource01/Makefile
 spmrsp01/Makefile
 spscheduler01/Makefile
diff --git a/testsuites/sptests/spsem03/Makefile.am b/testsuites/sptests/spsem03/Makefile.am
new file mode 100644
index 0000000000..5c227403f1
--- /dev/null
+++ b/testsuites/sptests/spsem03/Makefile.am
@@ -0,0 +1,19 @@
+rtems_tests_PROGRAMS = spsem03
+spsem03_SOURCES = init.c
+
+dist_rtems_tests_DATA = spsem03.scn spsem03.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 = $(spsem03_OBJECTS)
+LINK_LIBS = $(spsem03_LDLIBS)
+
+spsem03$(EXEEXT): $(spsem03_OBJECTS) $(spsem03_DEPENDENCIES)
+	@rm -f spsem03$(EXEEXT)
+	$(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/sptests/spsem03/init.c b/testsuites/sptests/spsem03/init.c
new file mode 100644
index 0000000000..cf1e48b7ee
--- /dev/null
+++ b/testsuites/sptests/spsem03/init.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 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.org/license/LICENSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include "tmacros.h"
+
+const char rtems_test_name[] = "SPSEM 3";
+
+typedef struct {
+  rtems_id low;
+  rtems_id mid;
+  rtems_id high;
+  rtems_id inversion;
+  rtems_id sem_a;
+  rtems_id sem_b;
+} test_context;
+
+static test_context test_instance;
+
+static void assert_prio(rtems_id task_id, rtems_task_priority expected_prio)
+{
+  rtems_status_code sc;
+  rtems_task_priority prio;
+
+  sc = rtems_task_set_priority(task_id, RTEMS_CURRENT_PRIORITY, &prio);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+  rtems_test_assert(prio == expected_prio);
+}
+
+static void create_task(rtems_id *id, rtems_task_priority prio)
+{
+  rtems_status_code sc;
+
+  sc = rtems_task_create(
+    rtems_build_name('T', 'A', 'S', 'K'),
+    prio,
+    RTEMS_MINIMUM_STACK_SIZE,
+    RTEMS_DEFAULT_MODES,
+    RTEMS_DEFAULT_ATTRIBUTES,
+    id
+  );
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void start_task(rtems_id id, rtems_task_entry entry)
+{
+  rtems_status_code sc;
+
+  sc = rtems_task_start(id, entry, 0);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void create_sema(rtems_id *id)
+{
+  rtems_status_code sc;
+
+  sc = rtems_semaphore_create(
+    rtems_build_name('S', 'E', 'M', 'A'),
+    1,
+    RTEMS_BINARY_SEMAPHORE | RTEMS_INHERIT_PRIORITY | RTEMS_PRIORITY,
+    0,
+    id
+  );
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void obtain_sema(rtems_id id)
+{
+  rtems_status_code sc;
+
+  sc = rtems_semaphore_obtain(id, RTEMS_WAIT, RTEMS_NO_TIMEOUT);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void inversion_task(rtems_task_argument arg)
+{
+  test_context *ctx = &test_instance;
+
+  /*
+   * Here we see that the priority of the high priority task blocked on
+   * semaphore B doesn't propagate to the low priority task owning semaphore A
+   * on which the owner of semaphore B depends.
+   */
+  assert_prio(ctx->low, 3);
+  assert_prio(ctx->mid, 1);
+  assert_prio(ctx->high, 1);
+  assert_prio(ctx->inversion, 2);
+
+  TEST_END();
+  rtems_test_exit(0);
+}
+
+static void mid_task(rtems_task_argument arg)
+{
+  test_context *ctx = &test_instance;
+
+  obtain_sema(ctx->sem_b);
+  obtain_sema(ctx->sem_a);
+}
+
+static void high_task(rtems_task_argument arg)
+{
+  test_context *ctx = &test_instance;
+
+  start_task(ctx->inversion, inversion_task);
+  obtain_sema(ctx->sem_b);
+}
+
+static void Init(rtems_task_argument arg)
+{
+  test_context *ctx = &test_instance;
+
+  TEST_BEGIN();
+
+  ctx->low = rtems_task_self();
+
+  create_task(&ctx->mid, 3);
+  create_task(&ctx->high, 1);
+  create_task(&ctx->inversion, 2);
+  create_sema(&ctx->sem_a);
+  create_sema(&ctx->sem_b);
+
+  obtain_sema(ctx->sem_a);
+  start_task(ctx->mid, mid_task);
+  start_task(ctx->high, high_task);
+}
+
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+
+#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
+
+#define CONFIGURE_MAXIMUM_TASKS 4
+#define CONFIGURE_MAXIMUM_SEMAPHORES 2
+
+#define CONFIGURE_INIT_TASK_PRIORITY 4
+#define CONFIGURE_INIT_TASK_INITIAL_MODES RTEMS_DEFAULT_MODES
+
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>
diff --git a/testsuites/sptests/spsem03/spsem03.doc b/testsuites/sptests/spsem03/spsem03.doc
new file mode 100644
index 0000000000..0310965798
--- /dev/null
+++ b/testsuites/sptests/spsem03/spsem03.doc
@@ -0,0 +1,12 @@
+This file describes the directives and concepts tested by this test set.
+
+test set name: spsem03
+
+directives:
+
+  - rtems_semaphore_obtain()
+
+concepts:
+
+  - Demonstrate that the priority inheritance protocol doesn't propagate to
+    indirectly referenced semaphore owners.
diff --git a/testsuites/sptests/spsem03/spsem03.scn b/testsuites/sptests/spsem03/spsem03.scn
new file mode 100644
index 0000000000..8ea4e86368
--- /dev/null
+++ b/testsuites/sptests/spsem03/spsem03.scn
@@ -0,0 +1,2 @@
+*** BEGIN OF TEST SPSEM 3 ***
+*** END OF TEST SPSEM 3 ***