libtest: Add T_check_task_context() action

cpukit/Makefile.am

@@ -1853,6 +1853,7 @@ librtemstest_a_SOURCES += libtest/t-test-checks-psx.c
 librtemstest_a_SOURCES += libtest/t-test-hash-sha256.c
 librtemstest_a_SOURCES += libtest/t-test-malloc.c
 librtemstest_a_SOURCES += libtest/t-test-rtems.c
+librtemstest_a_SOURCES += libtest/t-test-rtems-context.c
 librtemstest_a_SOURCES += libtest/t-test-rtems-fds.c
 librtemstest_a_SOURCES += libtest/t-test-rtems-heap.c
 librtemstest_a_SOURCES += libtest/t-test-rtems-measure.c

cpukit/include/t.h

@@ -2266,6 +2266,8 @@ void T_report_hash_sha256(T_event, const char *);
 void T_check_heap(T_event, const char *);
 
 #ifdef __rtems__
+void T_check_task_context(T_event, const char *);
+
 void T_check_file_descriptors(T_event, const char *);
 
 void T_check_rtems_barriers(T_event, const char *);

cpukit/libtest/t-test-rtems-context.c

@@ -0,0 +1,69 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2019 embedded brains GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#undef __STRICT_ANSI__
+
+#include <t.h>
+
+#include <rtems/score/isrlevel.h>
+#include <rtems/score/percpu.h>
+#include <rtems/score/threaddispatch.h>
+
+#include <inttypes.h>
+
+static void
+T_do_check_task_context(void)
+{
+	uint32_t v;
+
+	v = _Thread_Dispatch_get_disable_level();
+	T_check_true(v == 0, NULL,
+	    "Wrong thread dispatch disabled level (%" PRIu32 ")", v);
+
+	v = _ISR_Nest_level;
+	T_check_true(v == 0, NULL,
+	    "Wrong ISR nest level (%" PRIu32 ")", v);
+
+	v = _ISR_Get_level();
+	T_check_true(v == 0, NULL,
+	    "Wrong ISR level (%" PRIu32 ")", v);
+}
+
+void
+T_check_task_context(T_event event, const char *name)
+{
+	(void)name;
+
+	switch (event) {
+	case T_EVENT_RUN_INITIALIZE_LATE:
+	case T_EVENT_CASE_END:
+		T_do_check_task_context();
+		break;
+	default:
+		break;
+	};
+}

testsuites/libtests/Makefile.am

@@ -1509,6 +1509,7 @@ ttest01_SOURCES += ttest01/test-psx.c
 ttest01_SOURCES += ttest01/test-rtems.c
 ttest01_SOURCES += ttest01/test-simple.c
 ttest01_SOURCES += ttest01/test-step.c
+ttest01_SOURCES += ttest01/test-task-context.c
 ttest01_SOURCES += ttest01/test-time.c
 ttest01_SOURCES += ttest01/test-verbosity.c
 ttest01_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_FLAGS_ttest01) \

testsuites/libtests/ttest01/init.c

@@ -32,6 +32,7 @@
 
 #include <rtems.h>
 #include <rtems/bspIo.h>
+#include <rtems/score/threaddispatch.h>
 
 #include "t-self-test.h"
 
@@ -112,6 +113,10 @@ case_late(const char *name)
 {
 	test_context *ctx;
 
+	if (strcmp(name, "check_task_context") == 0) {
+		_Thread_Dispatch_enable(_Per_CPU_Get());
+	}
+
 	ctx = &test_instance;
 	++ctx->case_end_count;
 	test_assert(ctx->c != NULL);
@@ -177,8 +182,8 @@ run_initialize(void)
 	T_set_putchar(censor_putchar, ctx, &ctx->putchar, &ctx->putchar_arg);
 }
 
-static const char expected_final[] = "Z:ttest01:C:341:N:1316:F:790:D:0.685999\n"
+static const char expected_final[] = "Z:ttest01:C:342:N:1316:F:791:D:0.687999\n"
-"Y:ReportHash:SHA256:cb5ba027ade5b907d9e988776e393835f34a76cc2381d67bb9db44d986a3fecf\n";
+"Y:ReportHash:SHA256:d4c293b499e6e557afcf6123cb604e8976cc5b987021f1f8c9f6193fc38a386e\n";
 
 static void
 run_finalize(void)
@@ -228,6 +233,7 @@ static char buffer[512];
 static const T_action actions[] = {
 	T_report_hash_sha256,
 	test_action,
+	T_check_task_context,
 	T_check_file_descriptors,
 	T_check_rtems_barriers,
 	T_check_rtems_extensions,

testsuites/libtests/ttest01/test-task-context.c

@@ -0,0 +1,53 @@
+#include <t.h>
+
+#include <rtems/score/threaddispatch.h>
+
+T_TEST_CASE(check_task_context)
+{
+	_Thread_Dispatch_disable();
+}
+
+#include "t-self-test.h"
+
+T_TEST_OUTPUT(check_task_context,
+"B:check_task_context\n"
+"F:*:0:UI1:*:*:Wrong thread dispatch disabled level (1)\n"
+"E:check_task_context:N:0:F:1:D:0.001000\n");
+
+/*
+ * The license is at the end of the file to be able to use the test code and
+ * output in examples in the documentation.  This is also the reason for the
+ * dual licensing.  The license for RTEMS documentation is CC-BY-SA-4.0.
+ */
+
+/*
+ * SPDX-License-Identifier: BSD-2-Clause OR CC-BY-SA-4.0
+ *
+ * Copyright (C) 2019 embedded brains GmbH
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ALTERNATIVELY, this software may be distributed under the terms of the
+ * Creative Commons Attribution-ShareAlike 4.0 International Public License as
+ * published by Creative Commons, PO Box 1866, Mountain View, CA 94042
+ * (https://creativecommons.org/licenses/by-sa/4.0/legalcode).
+ */