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/* task1.c
*
* This set of three tasks do some simple task switching for about
* 15 seconds and then call a routine to "blow the stack".
*
* COPYRIGHT (c) 1989-2009.
* 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 "system.h"
#include <rtems/malloc.h>
#include <string.h>
#include <stdlib.h>
#define NUM_PASSES 100
rtems_task Task_1_through_5(
rtems_task_argument argument
)
{
int i;
unsigned int passes = 0;
rtems_id tid;
rtems_time_of_day time;
rtems_status_code status;
unsigned char *mem_ptr;
int mem_amt;
status = rtems_task_ident( RTEMS_WHO_AM_I, RTEMS_SEARCH_ALL_NODES, &tid );
directive_failed( status, "rtems_task_ident" );
while (TRUE)
{
bool malloc_walk_ok;
if ( passes++ > NUM_PASSES ) {
TEST_END();
rtems_test_exit(0);
}
status = rtems_clock_get_tod( &time );
directive_failed( status, "rtems_clock_get_tod" );
put_name( Task_name[ task_number( tid ) ], FALSE );
print_time( " - rtems_clock_get_tod - ", &time, "\n" );
mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX));
while (!(mem_ptr = malloc ( mem_amt))) {
printf("out of memory... trying again.\n");
mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX));
}
printf("mallocing %d bytes\n",mem_amt);
memset( mem_ptr, mem_amt, mem_amt );
malloc_walk_ok = malloc_walk( 1, false );
rtems_test_assert( malloc_walk_ok );
status = rtems_task_wake_after(
task_number( tid ) * 1 * rtems_clock_get_ticks_per_second()/4 );
for (i=0; i < mem_amt; i++)
{
if ( mem_ptr[i] != (mem_amt & 0xff))
{
printf("failed %d, %d, 0x%x, 0x%x\n",i,mem_amt,mem_ptr[i],mem_amt&0xff);
rtems_test_exit(1);
}
}
directive_failed( status, "rtems_task_wake_after" );
free( mem_ptr );
}
}
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