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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-05-22 09:31:13 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2014-05-23 08:57:32 +0200 |
commit | 4edf348c3395560bcaaf3c020968e427f5683d28 (patch) | |
tree | bb132a0862f916a58de14df14eb32d6c7d5df20e /testsuites/sptests/sp65/init.c | |
parent | c/src/aclocal/check-smp.m4: Use HAS_SMP not HAS_POSIX_API (diff) | |
download | rtems-4edf348c3395560bcaaf3c020968e427f5683d28.tar.bz2 |
score: PR2179: Fix initially locked PCP mutexes
Elevate the priority of the creating task to the ceiling priority in
case a semaphore is created as initially locked.
Diffstat (limited to 'testsuites/sptests/sp65/init.c')
-rw-r--r-- | testsuites/sptests/sp65/init.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/testsuites/sptests/sp65/init.c b/testsuites/sptests/sp65/init.c index cba836d422..7c6d8d3bef 100644 --- a/testsuites/sptests/sp65/init.c +++ b/testsuites/sptests/sp65/init.c @@ -28,6 +28,17 @@ rtems_task Task_1(rtems_task_argument arg); #define TASK_PRIORITY 1 #endif +static void assert_priority(rtems_task_priority expected) +{ + rtems_status_code sc; + rtems_task_priority prio; + + sc = rtems_task_set_priority(RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &prio); + rtems_test_assert(sc == RTEMS_SUCCESSFUL); + + rtems_test_assert(prio == expected); +} + rtems_task Init( rtems_task_argument ignored ) @@ -38,6 +49,30 @@ rtems_task Init( TEST_BEGIN(); /* + * Verify that an initially locked priority ceiling mutex elevates the + * priority of the creating task. + */ + + status = rtems_semaphore_create( + rtems_build_name( 's','e','m','1' ), + 0, + RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY | RTEMS_PRIORITY_CEILING, + 1, + &Mutex_id + ); + rtems_test_assert(status == RTEMS_SUCCESSFUL); + + assert_priority(1); + + status = rtems_semaphore_release(Mutex_id); + rtems_test_assert(status == RTEMS_SUCCESSFUL); + + assert_priority(TASK_PRIORITY); + + status = rtems_semaphore_delete(Mutex_id); + rtems_test_assert(status == RTEMS_SUCCESSFUL); + + /* * Create binary semaphore (a.k.a. Mutex) with Priority Ceiling * attribute. */ |