[PATCH 06/11] sptests/spmutex01: add tests for lock nesting
Gedare Bloom
gedare at rtems.org
Fri Mar 23 16:15:42 UTC 2018
From: Sebastian Huber <sebastian.huber at embedded-brains.de>
---
testsuites/sptests/spmutex01/init.c | 141 ++++++++++++++++++++++++++++++++++--
1 file changed, 134 insertions(+), 7 deletions(-)
diff --git a/testsuites/sptests/spmutex01/init.c b/testsuites/sptests/spmutex01/init.c
index c363370..72e458f 100644
--- a/testsuites/sptests/spmutex01/init.c
+++ b/testsuites/sptests/spmutex01/init.c
@@ -41,13 +41,14 @@ typedef enum {
REQ_MTX_0_OBTAIN = RTEMS_EVENT_2,
REQ_MTX_0_RELEASE = RTEMS_EVENT_3,
REQ_MTX_1_OBTAIN = RTEMS_EVENT_4,
- REQ_MTX_1_RELEASE = RTEMS_EVENT_5,
- REQ_MTX_2_OBTAIN = RTEMS_EVENT_6,
- REQ_MTX_2_RELEASE = RTEMS_EVENT_7,
- REQ_MTX_C11_OBTAIN = RTEMS_EVENT_8,
- REQ_MTX_C11_RELEASE = RTEMS_EVENT_9,
- REQ_MTX_POSIX_OBTAIN = RTEMS_EVENT_10,
- REQ_MTX_POSIX_RELEASE = RTEMS_EVENT_11
+ REQ_MTX_1_OBTAIN_TIMEOUT = RTEMS_EVENT_5,
+ REQ_MTX_1_RELEASE = RTEMS_EVENT_6,
+ REQ_MTX_2_OBTAIN = RTEMS_EVENT_7,
+ REQ_MTX_2_RELEASE = RTEMS_EVENT_8,
+ REQ_MTX_C11_OBTAIN = RTEMS_EVENT_9,
+ REQ_MTX_C11_RELEASE = RTEMS_EVENT_10,
+ REQ_MTX_POSIX_OBTAIN = RTEMS_EVENT_11,
+ REQ_MTX_POSIX_RELEASE = RTEMS_EVENT_12
} request_id;
typedef enum {
@@ -110,6 +111,14 @@ static void send_event(test_context *ctx, task_id id, rtems_event_set events)
rtems_test_assert(sc == RTEMS_SUCCESSFUL);
}
+static void wait(void)
+{
+ rtems_status_code sc;
+
+ sc = rtems_task_wake_after(4);
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
static rtems_event_set wait_for_events(void)
{
rtems_event_set events;
@@ -141,6 +150,14 @@ static void request(test_context *ctx, task_id id, request_id req)
sync_with_helper(ctx);
}
+static void obtain_timeout(test_context *ctx, mutex_id id)
+{
+ rtems_status_code sc;
+
+ sc = rtems_semaphore_obtain(ctx->mtx[id], RTEMS_WAIT, 2);
+ rtems_test_assert(sc == RTEMS_TIMEOUT);
+}
+
static void obtain(test_context *ctx, mutex_id id)
{
rtems_status_code sc;
@@ -249,6 +266,22 @@ static void assert_prio(
rtems_test_assert(expected == actual);
}
+static void change_prio(
+ test_context *ctx,
+ task_id id,
+ rtems_task_priority prio
+)
+{
+ rtems_status_code sc;
+
+ sc = rtems_task_set_priority(
+ ctx->tasks[id],
+ prio,
+ &prio
+ );
+ rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
static void helper(rtems_task_argument arg)
{
test_context *ctx = &test_instance;
@@ -283,6 +316,11 @@ static void worker(rtems_task_argument arg)
++ctx->generation[id];
}
+ if ((events & REQ_MTX_1_OBTAIN_TIMEOUT) != 0) {
+ obtain_timeout(ctx, MTX_1);
+ ++ctx->generation[id];
+ }
+
if ((events & REQ_MTX_1_RELEASE) != 0) {
release(ctx, MTX_1);
++ctx->generation[id];
@@ -370,10 +408,19 @@ static void set_up(test_context *ctx)
static void test_inherit(test_context *ctx)
{
+ assert_prio(ctx, M, 3);
obtain(ctx, MTX_0);
request(ctx, A_1, REQ_MTX_0_OBTAIN);
check_generations(ctx, NONE, NONE);
assert_prio(ctx, M, 1);
+ change_prio(ctx, A_1, 2);
+ assert_prio(ctx, M, 2);
+ change_prio(ctx, A_1, 3);
+ assert_prio(ctx, M, 3);
+ change_prio(ctx, A_1, 4);
+ assert_prio(ctx, M, 3);
+ change_prio(ctx, A_1, 1);
+ assert_prio(ctx, M, 1);
release(ctx, MTX_0);
check_generations(ctx, A_1, NONE);
assert_prio(ctx, M, 3);
@@ -383,6 +430,7 @@ static void test_inherit(test_context *ctx)
static void test_inherit_fifo_for_equal_priority(test_context *ctx)
{
+ assert_prio(ctx, M, 3);
obtain(ctx, MTX_0);
request(ctx, A_2_0, REQ_MTX_0_OBTAIN);
request(ctx, A_1, REQ_MTX_0_OBTAIN);
@@ -401,6 +449,82 @@ static void test_inherit_fifo_for_equal_priority(test_context *ctx)
check_generations(ctx, A_2_1, NONE);
}
+static void test_inherit_nested_vertical(test_context *ctx)
+{
+ assert_prio(ctx, M, 3);
+ obtain(ctx, MTX_0);
+ obtain(ctx, MTX_1);
+ request(ctx, A_1, REQ_MTX_1_OBTAIN);
+ check_generations(ctx, NONE, NONE);
+ assert_prio(ctx, M, 1);
+ release(ctx, MTX_1);
+ check_generations(ctx, A_1, NONE);
+ assert_prio(ctx, M, 3);
+ request(ctx, A_1, REQ_MTX_1_RELEASE);
+ check_generations(ctx, A_1, NONE);
+ release(ctx, MTX_0);
+}
+
+static void test_inherit_nested_vertical_timeout(test_context *ctx)
+{
+ assert_prio(ctx, M, 3);
+ obtain(ctx, MTX_0);
+ obtain(ctx, MTX_1);
+ request(ctx, A_1, REQ_MTX_1_OBTAIN_TIMEOUT);
+ check_generations(ctx, NONE, NONE);
+ assert_prio(ctx, M, 1);
+ wait();
+ check_generations(ctx, A_1, NONE);
+ assert_prio(ctx, M, 3);
+ release(ctx, MTX_1);
+ release(ctx, MTX_0);
+}
+
+static void test_inherit_nested_horizontal(test_context *ctx)
+{
+ assert_prio(ctx, M, 3);
+ obtain(ctx, MTX_0);
+ request(ctx, A_2_0, REQ_MTX_1_OBTAIN);
+ check_generations(ctx, A_2_0, NONE);
+ request(ctx, A_2_0, REQ_MTX_0_OBTAIN);
+ check_generations(ctx, NONE, NONE);
+ assert_prio(ctx, M, 2);
+ request(ctx, A_1, REQ_MTX_1_OBTAIN_TIMEOUT);
+ check_generations(ctx, NONE, NONE);
+ assert_prio(ctx, A_2_0, 1);
+ assert_prio(ctx, M, 1);
+ wait();
+ check_generations(ctx, A_1, NONE);
+ assert_prio(ctx, A_2_0, 2);
+ assert_prio(ctx, M, 2);
+ request(ctx, A_1, REQ_MTX_1_OBTAIN);
+ check_generations(ctx, NONE, NONE);
+ assert_prio(ctx, A_2_0, 1);
+ assert_prio(ctx, M, 1);
+ change_prio(ctx, A_1, 2);
+ assert_prio(ctx, M, 2);
+ change_prio(ctx, A_1, 3);
+ assert_prio(ctx, M, 2);
+ change_prio(ctx, A_2_0, 3);
+ assert_prio(ctx, M, 3);
+ change_prio(ctx, A_2_0, 2);
+ assert_prio(ctx, M, 2);
+ change_prio(ctx, A_1, 1);
+ assert_prio(ctx, M, 1);
+ release(ctx, MTX_0);
+ check_generations(ctx, A_2_0, NONE);
+ assert_prio(ctx, A_2_0, 1);
+ assert_prio(ctx, M, 3);
+ request(ctx, A_2_0, REQ_MTX_0_RELEASE);
+ check_generations(ctx, A_2_0, NONE);
+ assert_prio(ctx, A_2_0, 1);
+ request(ctx, A_2_0, REQ_MTX_1_RELEASE);
+ check_generations(ctx, A_1, A_2_0);
+ assert_prio(ctx, A_2_0, 2);
+ request(ctx, A_1, REQ_MTX_1_RELEASE);
+ check_generations(ctx, A_1, NONE);
+}
+
static void test_deadlock_two_classic(test_context *ctx)
{
obtain(ctx, MTX_0);
@@ -547,6 +671,9 @@ static void Init(rtems_task_argument arg)
set_up(ctx);
test_inherit(ctx);
test_inherit_fifo_for_equal_priority(ctx);
+ test_inherit_nested_vertical(ctx);
+ test_inherit_nested_vertical_timeout(ctx);
+ test_inherit_nested_horizontal(ctx);
test_deadlock_two_classic(ctx);
test_deadlock_three_classic(ctx);
test_deadlock_c11_and_classic(ctx);
--
2.7.4
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