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) 1989-2009. |
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7 | * On-Line Applications Research Corporation (OAR). |
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8 | * |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.rtems.org/license/LICENSE. |
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12 | */ |
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13 | |
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14 | #ifdef HAVE_CONFIG_H |
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15 | #include "config.h" |
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16 | #endif |
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17 | |
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18 | #include "system.h" |
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19 | #include <rtems/malloc.h> |
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20 | #include <string.h> |
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21 | #include <stdlib.h> |
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22 | |
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23 | #define NUM_PASSES 100 |
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24 | |
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25 | rtems_task Task_1_through_5( |
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26 | rtems_task_argument argument |
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27 | ) |
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28 | { |
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29 | int i; |
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30 | unsigned int passes = 0; |
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31 | rtems_id tid; |
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32 | rtems_time_of_day time; |
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33 | rtems_status_code status; |
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34 | unsigned char *mem_ptr; |
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35 | int mem_amt; |
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36 | |
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37 | status = rtems_task_ident( RTEMS_SELF, RTEMS_SEARCH_ALL_NODES, &tid ); |
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38 | directive_failed( status, "rtems_task_ident" ); |
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39 | |
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40 | while (TRUE) |
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41 | { |
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42 | bool malloc_walk_ok; |
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43 | |
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44 | if ( passes++ > NUM_PASSES ) { |
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45 | TEST_END(); |
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46 | rtems_test_exit(0); |
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47 | } |
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48 | |
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49 | status = rtems_clock_get_tod( &time ); |
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50 | directive_failed( status, "rtems_clock_get_tod" ); |
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51 | |
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52 | put_name( Task_name[ task_number( tid ) ], FALSE ); |
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53 | print_time( " - rtems_clock_get_tod - ", &time, "\n" ); |
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54 | |
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55 | mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX)); |
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56 | while (!(mem_ptr = malloc ( mem_amt))) { |
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57 | printf("out of memory... trying again.\n"); |
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58 | mem_amt = ((int)((float)rand()*1000.0/(float)RAND_MAX)); |
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59 | } |
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60 | printf("mallocing %d bytes\n",mem_amt); |
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61 | memset( mem_ptr, mem_amt, mem_amt ); |
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62 | malloc_report_statistics(); |
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63 | malloc_walk_ok = malloc_walk( 1, false ); |
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64 | rtems_test_assert( malloc_walk_ok ); |
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65 | status = rtems_task_wake_after( |
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66 | task_number( tid ) * 1 * rtems_clock_get_ticks_per_second()/4 ); |
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67 | for (i=0; i < mem_amt; i++) |
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68 | { |
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69 | if ( mem_ptr[i] != (mem_amt & 0xff)) |
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70 | { |
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71 | printf("failed %d, %d, 0x%x, 0x%x\n",i,mem_amt,mem_ptr[i],mem_amt&0xff); |
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72 | rtems_test_exit(1); |
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73 | } |
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74 | } |
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75 | directive_failed( status, "rtems_task_wake_after" ); |
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76 | free( mem_ptr ); |
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77 | } |
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78 | } |
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