From 4edf348c3395560bcaaf3c020968e427f5683d28 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Thu, 22 May 2014 09:31:13 +0200 Subject: 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. --- testsuites/sptests/sp65/init.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) (limited to 'testsuites/sptests/sp65/init.c') 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 ) @@ -37,6 +48,30 @@ 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. -- cgit v1.2.3