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/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tmacros.h>
#include <unistd.h>
/* forward declarations to avoid warnings */
rtems_task Init(rtems_task_argument argument);
rtems_task Blocker(rtems_task_argument ignored);
rtems_id Region;
uint32_t Region_Memory[256] CPU_STRUCTURE_ALIGNMENT;
volatile bool case_hit;
#define SECOND_ALLOC (sizeof(Region_Memory) / 2)
#define RESIZE 1
rtems_task Blocker(
rtems_task_argument ignored
)
{
rtems_status_code sc;
void *segment_address_2;
puts( "Blocker - rtems_region_get_segment - OK");
sc = rtems_region_get_segment(
Region,
SECOND_ALLOC,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT,
&segment_address_2
);
directive_failed( sc, "rtems_region_get_segment" );
sc = rtems_region_return_segment( Region, segment_address_2 );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
puts( "Blocker - Got memory after resize" );
case_hit = true;
(void) rtems_task_delete( RTEMS_SELF );
}
rtems_task Init(
rtems_task_argument ignored
)
{
rtems_id task_id;
rtems_status_code sc;
void *segment_address_1;
uintptr_t old_size;
size_t first_alloc_size;
puts( "\n\n*** TEST 62 ***" );
puts( "Init - rtems_task_create Blocker - OK" );
sc = rtems_task_create(
rtems_build_name( 'B', 'L', 'C', 'K' ),
1,
RTEMS_MINIMUM_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&task_id
);
directive_failed( sc, "rtems_task_create of Blocker" );
puts( "Init - rtems_task_start Blocker - OK" );
sc = rtems_task_start( task_id, Blocker, 0 );
directive_failed( sc, "rtems_task_start of Blocker" );
puts( "Init - rtems_task_create Region - OK" );
sc = rtems_region_create(
rtems_build_name( 'R', 'N', '1', ' ' ),
Region_Memory,
sizeof(Region_Memory),
16,
RTEMS_DEFAULT_ATTRIBUTES,
&Region
);
directive_failed( sc, "rtems_region_create" );
puts( "Init - rtems_region_get_segment - OK");
first_alloc_size = sizeof( Region_Memory );
do {
--first_alloc_size;
sc = rtems_region_get_segment(
Region,
first_alloc_size,
RTEMS_NO_WAIT,
RTEMS_NO_TIMEOUT,
&segment_address_1
);
} while ( sc == RTEMS_UNSATISFIED || sc == RTEMS_INVALID_SIZE );
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
puts( "Init - sleep 1 second for Blocker - OK");
sleep(1);
/* Check resize_segment errors */
sc = rtems_region_resize_segment(
Region, segment_address_1, RESIZE, &old_size);
directive_failed( sc, "rtems_region_resize_segment" );
case_hit = false;
puts( "Init - sleep 1 second for Blocker to run again - OK");
sleep(1);
if ( case_hit ) {
puts( "Init - successfully resized and unblocked a task" );
} else {
puts( "Init - failed to resize and unblock a task" );
rtems_test_exit(0);
}
/*
* Now resize and take all of memory so there is no need to
* process any blocked tasks waiting for memory.
*/
puts( "Init - resized to all of available memory" );
sc = rtems_region_resize_segment(
Region,
segment_address_1,
first_alloc_size,
&old_size
);
rtems_test_assert( sc == RTEMS_SUCCESSFUL );
puts( "*** END OF TEST 62 ***" );
rtems_test_exit(0);
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 2
#define CONFIGURE_MAXIMUM_REGIONS 1
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* global variables */
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