[PATCH] sptests/spsem04: new test case for PIP starvation
Gedare Bloom
gedare at rtems.org
Tue Dec 19 20:01:16 UTC 2017
Closes #3263.
---
testsuites/sptests/Makefile.am | 1 +
testsuites/sptests/configure.ac | 1 +
testsuites/sptests/spsem04/Makefile.am | 19 +++++
testsuites/sptests/spsem04/init.c | 151 +++++++++++++++++++++++++++++++++
testsuites/sptests/spsem04/spsem04.doc | 13 +++
testsuites/sptests/spsem04/spsem04.scn | 2 +
6 files changed, 187 insertions(+)
create mode 100644 testsuites/sptests/spsem04/Makefile.am
create mode 100644 testsuites/sptests/spsem04/init.c
create mode 100644 testsuites/sptests/spsem04/spsem04.doc
create mode 100644 testsuites/sptests/spsem04/spsem04.scn
diff --git a/testsuites/sptests/Makefile.am b/testsuites/sptests/Makefile.am
index 00f7571..ddedb41 100644
--- a/testsuites/sptests/Makefile.am
+++ b/testsuites/sptests/Makefile.am
@@ -58,6 +58,7 @@ _SUBDIRS += sptimecounter04
_SUBDIRS += spatomic01
_SUBDIRS += spintrcritical22
_SUBDIRS += spsem03
+_SUBDIRS += spsem04
_SUBDIRS += spmrsp01
_SUBDIRS += spscheduler01
_SUBDIRS += spfatal28
diff --git a/testsuites/sptests/configure.ac b/testsuites/sptests/configure.ac
index 6a303b2..b9245cd 100644
--- a/testsuites/sptests/configure.ac
+++ b/testsuites/sptests/configure.ac
@@ -58,6 +58,7 @@ spatomic01/Makefile
spglobalcon01/Makefile
spintrcritical22/Makefile
spsem03/Makefile
+spsem04/Makefile
spmrsp01/Makefile
spscheduler01/Makefile
spfatal28/Makefile
diff --git a/testsuites/sptests/spsem04/Makefile.am b/testsuites/sptests/spsem04/Makefile.am
new file mode 100644
index 0000000..d728786
--- /dev/null
+++ b/testsuites/sptests/spsem04/Makefile.am
@@ -0,0 +1,19 @@
+rtems_tests_PROGRAMS = spsem04
+spsem04_SOURCES = init.c
+
+dist_rtems_tests_DATA = spsem04.scn spsem04.doc
+
+include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP at .cfg
+include $(top_srcdir)/../automake/compile.am
+include $(top_srcdir)/../automake/leaf.am
+
+AM_CPPFLAGS += -I$(top_srcdir)/../support/include
+
+LINK_OBJS = $(spsem04_OBJECTS)
+LINK_LIBS = $(spsem04_LDLIBS)
+
+spsem04$(EXEEXT): $(spsem04_OBJECTS) $(spsem04_DEPENDENCIES)
+ @rm -f spsem04$(EXEEXT)
+ $(make-exe)
+
+include $(top_srcdir)/../automake/local.am
diff --git a/testsuites/sptests/spsem04/init.c b/testsuites/sptests/spsem04/init.c
new file mode 100644
index 0000000..6022ecb
--- /dev/null
+++ b/testsuites/sptests/spsem04/init.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2017 Gedare Bloom.
+ * Copyright (c) 2014, 2016 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <rtems at 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 4";
+
+typedef struct {
+ rtems_id low;
+ rtems_id mid;
+ rtems_id high;
+ 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 release_sema(rtems_id id)
+{
+ rtems_status_code sc;
+
+ sc = rtems_semaphore_release(id);
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void mid_task(rtems_task_argument arg)
+{
+ test_context *ctx = &test_instance;
+
+ rtems_test_assert(0);
+}
+
+static void high_task(rtems_task_argument arg)
+{
+ test_context *ctx = &test_instance;
+
+ start_task(ctx->mid, mid_task);
+ obtain_sema(ctx->sem_b);
+
+ TEST_END();
+ rtems_test_exit(0);
+}
+
+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_sema(&ctx->sem_a);
+ create_sema(&ctx->sem_b);
+
+ obtain_sema(ctx->sem_a);
+ obtain_sema(ctx->sem_b);
+ start_task(ctx->high, high_task);
+
+ release_sema(ctx->sem_b);
+
+ rtems_test_assert(0);
+}
+
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+
+#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/spsem04/spsem04.doc b/testsuites/sptests/spsem04/spsem04.doc
new file mode 100644
index 0000000..053a4d7
--- /dev/null
+++ b/testsuites/sptests/spsem04/spsem04.doc
@@ -0,0 +1,13 @@
+This file describes the directives and concepts tested by this test set.
+
+test set name: spsem04
+
+directives:
+
+ - rtems_semaphore_obtain()
+ - rtems_semaphore_release()
+
+concepts:
+
+ - Demonstrate that the priority inheritance protocol works with stepping
+ down of priority on semaphore release.
diff --git a/testsuites/sptests/spsem04/spsem04.scn b/testsuites/sptests/spsem04/spsem04.scn
new file mode 100644
index 0000000..fa68519
--- /dev/null
+++ b/testsuites/sptests/spsem04/spsem04.scn
@@ -0,0 +1,2 @@
+*** BEGIN OF TEST SPSEM 4 ***
+*** END OF TEST SPSEM 4 ***
--
2.7.4
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