[4a5e651] | 1 | /* task1.c |
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| 2 | * |
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| 3 | * This set of three tasks do some simple task switching for about |
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| 4 | * 15 seconds and then call a routine to "blow the stack". |
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| 5 | * |
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[60b791ad] | 6 | * COPYRIGHT (c) 1989-1998. |
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[4a5e651] | 7 | * On-Line Applications Research Corporation (OAR). |
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[03f2154e] | 8 | * Copyright assigned to U.S. Government, 1994. |
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[4a5e651] | 9 | * |
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[98e4ebf5] | 10 | * The license and distribution terms for this file may be |
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| 11 | * found in the file LICENSE in this distribution or at |
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[03f2154e] | 12 | * http://www.OARcorp.com/rtems/license.html. |
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[4a5e651] | 13 | * |
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| 14 | * $Id$ |
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| 15 | */ |
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| 16 | |
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| 17 | #include "system.h" |
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| 18 | #include <libcsupport.h> /* for malloc_dump, malloc_walk */ |
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| 19 | #include <string.h> /* for memset */ |
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[cd792a86] | 20 | #include <stdlib.h> |
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[4a5e651] | 21 | |
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| 22 | #define NUM_PASSES 100 |
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| 23 | |
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| 24 | rtems_task Task_1_through_5( |
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| 25 | rtems_task_argument argument |
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| 26 | ) |
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| 27 | { |
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| 28 | int i; |
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| 29 | unsigned int passes = 0; |
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| 30 | rtems_id tid; |
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| 31 | rtems_time_of_day time; |
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| 32 | rtems_status_code status; |
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| 33 | unsigned char *mem_ptr; |
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| 34 | int mem_amt; |
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| 35 | |
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| 36 | status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid ); |
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| 37 | directive_failed( status, "rtems_task_ident" ); |
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| 38 | |
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| 39 | while (TRUE) |
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| 40 | { |
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[cd792a86] | 41 | if ( passes++ > NUM_PASSES ) { |
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| 42 | puts("*** END OF MALLOC TEST ***"); |
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[4a5e651] | 43 | exit(0); |
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[cd792a86] | 44 | } |
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[4a5e651] | 45 | |
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| 46 | status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time ); |
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| 47 | directive_failed( status, "rtems_clock_get" ); |
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| 48 | |
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| 49 | put_name( Task_name[ task_number( tid ) ], FALSE ); |
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| 50 | print_time( " - rtems_clock_get - ", &time, "\n" ); |
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| 51 | |
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[cd792a86] | 52 | mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX)); |
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| 53 | while (!(mem_ptr = malloc ( mem_amt))) { |
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| 54 | printf("out of memory... trying again.\n"); |
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| 55 | mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX)); |
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| 56 | } |
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[4a5e651] | 57 | printf("mallocing %d bytes\n",mem_amt); |
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| 58 | memset( mem_ptr, mem_amt, mem_amt ); |
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| 59 | malloc_dump(); |
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| 60 | malloc_walk(1,FALSE); |
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| 61 | status = rtems_task_wake_after( task_number( tid ) * 1 * TICKS_PER_SECOND/4 ); |
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| 62 | for (i=0; i < mem_amt; i++) |
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| 63 | { |
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| 64 | if ( mem_ptr[i] != (mem_amt & 0xff)) |
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| 65 | { |
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| 66 | printf("failed %d, %d, 0x%x, 0x%x\n",i,mem_amt,mem_ptr[i],mem_amt&0xff); |
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| 67 | exit(1); |
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| 68 | } |
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| 69 | } |
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| 70 | directive_failed( status, "rtems_task_wake_after" ); |
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| 71 | free( mem_ptr ); |
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| 72 | } |
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| 73 | } |
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