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https://gitlab.rtems.org/rtems/rtos/rtems.git
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Kuan-Hsun Chen
0794197f72
Prepare a precondition to prevent the potential integer overflow. Remove one redundant parameter in _Rate_monotonic_Renew_deadline(). sptests/sprmsched02: Create A test case for checking the overflow condition of postponed_jobs in rtems_rate_monotonic_period_status. Update #2885.
121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/*
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* COPYRIGHT (c) 2017 Kuan-Hsun Chen.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <rtems/cpuuse.h>
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#include <tmacros.h>
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#include <rtems/rtems/ratemonimpl.h>
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#include "test_support.h"
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const char rtems_test_name[] = "SPRMSCHED 2";
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/* forward declarations to avoid warnings */
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rtems_task Init( rtems_task_argument argument );
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static void modify_count( rtems_id id );
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static void modify_count(
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rtems_id id
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)
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{
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Rate_monotonic_Control *the_period;
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ISR_lock_Context lock_context;
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the_period = _Rate_monotonic_Get( id, &lock_context );
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_Rate_monotonic_Acquire_critical( the_period, &lock_context );
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the_period->postponed_jobs = UINT32_MAX;
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_Rate_monotonic_Release( the_period, &lock_context );
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}
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rtems_task Init(
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rtems_task_argument argument
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)
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{
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rtems_id period_id;
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rtems_name period_name;
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rtems_rate_monotonic_period_status period_status;
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rtems_status_code status;
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int i;
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period_name = rtems_build_name('P','E','R','1');
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TEST_BEGIN();
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/* create period */
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status = rtems_rate_monotonic_create(
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period_name,
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&period_id
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);
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directive_failed( status, "rate_monotonic_create" );
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/* modify the count to UINT32_MAX and attempt to miss deadline*/
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puts( "Testing overflow condition" );
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rtems_test_spin_until_next_tick();
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status = rtems_rate_monotonic_period( period_id, 50 );
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directive_failed( status, "rate_monotonic_period above loop" );
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puts( "Modify the count of postponed_job manually" );
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modify_count( period_id );
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/* Check the status */
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status = rtems_rate_monotonic_get_status( period_id, &period_status );
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directive_failed( status, "rate_monotonic_get_status" );
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printf( "Init Postponed jobs = %"PRIu32", and expected %"PRIu32"\n", period_status.postponed_jobs_count, UINT32_MAX );
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rtems_test_assert( period_status.postponed_jobs_count == UINT32_MAX );
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for ( i=1 ; i <= 2 ; i++ ) {
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status = rtems_task_wake_after( 100 );
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directive_failed( status, "rtems_task_wake_after(100)" );
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puts( "Task misses its deadline." );
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/* Check the status */
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status = rtems_rate_monotonic_get_status( period_id, &period_status );
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directive_failed( status, "rate_monotonic_get_status" );
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/* print out the count which should keep in UINT32_MAX, since the period still misses its deadline */
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printf( "Count = %"PRIu32", and expected %"PRIu32"\n", period_status.postponed_jobs_count, UINT32_MAX);
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rtems_test_assert( period_status.postponed_jobs_count == UINT32_MAX);
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rtems_test_spin_until_next_tick();
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status = rtems_rate_monotonic_period( period_id, 50 );
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fatal_directive_status(
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status,
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RTEMS_TIMEOUT,
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"rtems_rate_monotonic_period 2-n"
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);
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}
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TEST_END();
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rtems_test_exit(0);
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}
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/* configuration information */
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#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_MILLISECONDS_PER_TICK 1
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#define CONFIGURE_MAXIMUM_TASKS 1
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#define CONFIGURE_MAXIMUM_PERIODS 1
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#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_INIT
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#include <rtems/confdefs.h>
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/* end of file */
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