forked from Imagelibrary/rtems
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/* task1.c
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*
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* This set of three tasks do some simple task switching for about
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* 15 seconds and then call a routine to "blow the stack".
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*
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* COPYRIGHT (c) 1989-2009.
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* On-Line Applications Research Corporation (OAR).
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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.com/license/LICENSE.
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*
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* $Id$
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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 "system.h"
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#include <rtems/malloc.h>
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#include <string.h>
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#include <stdlib.h>
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/* HACK: Blatant visibility violation */
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extern void malloc_walk(size_t source, size_t printf_enabled);
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#define NUM_PASSES 100
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rtems_task Task_1_through_5(
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rtems_task_argument argument
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)
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{
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int i;
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unsigned int passes = 0;
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rtems_id tid;
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rtems_time_of_day time;
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rtems_status_code status;
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unsigned char *mem_ptr;
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int mem_amt;
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status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid );
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directive_failed( status, "rtems_task_ident" );
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while (TRUE)
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{
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if ( passes++ > NUM_PASSES ) {
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puts("*** END OF MALLOC TEST ***");
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rtems_test_exit(0);
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}
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status = rtems_clock_get_tod( &time );
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directive_failed( status, "rtems_clock_get_tod" );
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put_name( Task_name[ task_number( tid ) ], FALSE );
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print_time( " - rtems_clock_get_tod - ", &time, "\n" );
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mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX));
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while (!(mem_ptr = malloc ( mem_amt))) {
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printf("out of memory... trying again.\n");
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mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX));
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}
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printf("mallocing %d bytes\n",mem_amt);
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memset( mem_ptr, mem_amt, mem_amt );
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malloc_report_statistics();
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malloc_walk(1,FALSE);
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status = rtems_task_wake_after(
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task_number( tid ) * 1 * rtems_clock_get_ticks_per_second()/4 );
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for (i=0; i < mem_amt; i++)
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{
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if ( mem_ptr[i] != (mem_amt & 0xff))
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{
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printf("failed %d, %d, 0x%x, 0x%x\n",i,mem_amt,mem_ptr[i],mem_amt&0xff);
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rtems_test_exit(1);
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}
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}
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directive_failed( status, "rtems_task_wake_after" );
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free( mem_ptr );
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}
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}
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