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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6 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * All rights assigned to U.S. Government, 1994. |
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9 | * |
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10 | * This material may be reproduced by or for the U.S. Government pursuant |
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11 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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12 | * notice must appear in all copies of this file and its derivatives. |
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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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20 | |
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21 | #define NUM_PASSES 100 |
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22 | |
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23 | rtems_task Task_1_through_5( |
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24 | rtems_task_argument argument |
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25 | ) |
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26 | { |
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27 | int i; |
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28 | unsigned int passes = 0; |
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29 | rtems_id tid; |
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30 | rtems_time_of_day time; |
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31 | rtems_status_code status; |
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32 | unsigned char *mem_ptr; |
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33 | int mem_amt; |
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34 | |
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35 | status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid ); |
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36 | directive_failed( status, "rtems_task_ident" ); |
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37 | |
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38 | while (TRUE) |
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39 | { |
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40 | if ( passes++ > NUM_PASSES ) |
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41 | exit(0); |
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42 | |
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43 | status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time ); |
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44 | directive_failed( status, "rtems_clock_get" ); |
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45 | |
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46 | put_name( Task_name[ task_number( tid ) ], FALSE ); |
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47 | print_time( " - rtems_clock_get - ", &time, "\n" ); |
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48 | |
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49 | mem_amt = rand() * task_number( tid ); |
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50 | printf("mallocing %d bytes\n",mem_amt); |
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51 | mem_ptr = malloc ( mem_amt); |
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52 | memset( mem_ptr, mem_amt, mem_amt ); |
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53 | malloc_dump(); |
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54 | malloc_walk(1,FALSE); |
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55 | status = rtems_task_wake_after( task_number( tid ) * 1 * TICKS_PER_SECOND/4 ); |
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56 | for (i=0; i < mem_amt; i++) |
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57 | { |
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58 | if ( mem_ptr[i] != (mem_amt & 0xff)) |
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59 | { |
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60 | printf("failed %d, %d, 0x%x, 0x%x\n",i,mem_amt,mem_ptr[i],mem_amt&0xff); |
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61 | exit(1); |
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62 | } |
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63 | } |
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64 | directive_failed( status, "rtems_task_wake_after" ); |
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65 | free( mem_ptr ); |
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66 | } |
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67 | } |
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