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annotate packages/services/memalloc/common/current/tests/memfix2.cxx @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
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children eb9fd8c04db3
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1 //==========================================================================
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2 //
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3 // memfix2.cxx
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4 //
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5 // Fixed memory pool test 2
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //==========================================================================
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32 //#####DESCRIPTIONBEGIN####
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33 //
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34 // Author(s): dsm, jlarmour
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35 // Contributors:
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36 // Date: 2000-06-18
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37 // Description: test allocation and freeing in fixed memory pools
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38 //####DESCRIPTIONEND####
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39
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40 #include <pkgconf/memalloc.h>
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41 #include <pkgconf/system.h>
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42
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43 #ifdef CYGPKG_KERNEL
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44 #include <pkgconf/kernel.h>
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45
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46 #include <cyg/kernel/sched.hxx> // Cyg_Scheduler::start()
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47 #include <cyg/kernel/thread.hxx> // Cyg_Thread
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48 #include <cyg/kernel/thread.inl>
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49 #include <cyg/kernel/sema.hxx>
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50
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51 #include <cyg/kernel/sched.inl>
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52
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53
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54 #define NTHREADS 1
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55 #include "testaux.hxx"
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56
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57 #endif
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58
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59 #include <cyg/memalloc/memfixed.hxx>
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60
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61 #include <cyg/infra/testcase.h>
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62
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63 static const cyg_int32 memsize = 1024;
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64
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65 static cyg_uint8 mem[memsize];
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66
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67 #define NUM_PTRS 16 // Should be even
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68 #define BLOCKSIZE 12
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69
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70 static Cyg_Mempool_Fixed mempool(mem, memsize, BLOCKSIZE);
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71
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72 static cyg_uint8 *ptr[NUM_PTRS];
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73
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74 // We make a number of passes over a table of pointers which point to
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75 // blocks of allocated memory. The block is freed and a new block
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76 // allocated. The order of the processing of blocks is varied.
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77 static void entry( CYG_ADDRWORD data )
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78 {
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79 for(cyg_ucount32 passes = 0; passes < 10; passes++) {
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80
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81
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82 // The order which the table is processed varies according to
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83 // stepsize.
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84 cyg_ucount8 stepsize = (passes*2 + 1) % NUM_PTRS; // odd
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85
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86
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87 for(cyg_ucount8 c=0, i=0; c < NUM_PTRS; c++) {
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88 i = (i+stepsize) % NUM_PTRS;
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89 if(ptr[i]) {
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90 for(cyg_ucount32 j=BLOCKSIZE;j--;) {
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91 CYG_TEST_CHECK(ptr[i][j]==i, "Memory corrupted");
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92 }
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93 CYG_TEST_CHECK(mempool.free(ptr[i]), "bad free");
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94 }
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95 ptr[i] = mempool.try_alloc();
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96
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97 CYG_TEST_CHECK(NULL != ptr[i], "Memory pool not big enough");
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98 CYG_TEST_CHECK(mem<=ptr[i] && ptr[i]+BLOCKSIZE < mem+memsize,
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99 "Allocated region not within pool");
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100
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101 // Scribble over memory to check whether region overlaps
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102 // with other regions. The contents of the memory are
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103 // checked on freeing. This also tests that the memory
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104 // does not overlap with allocator memory structures.
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105 for(cyg_ucount32 j=BLOCKSIZE;j--;) {
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106 ptr[i][j]=i;
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107 }
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108 }
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109 }
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110
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111 CYG_TEST_PASS_FINISH("Fixed memory pool 2 OK");
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112 }
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113
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114
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115 void memfix2_main( void )
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116 {
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117 CYG_TEST_INIT();
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118 CYG_TEST_INFO("Starting Fixed memory pool 2 test");
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119
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120 for(cyg_ucount32 i = 0; i<NUM_PTRS; i++) {
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121 ptr[i] = NULL;
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122 }
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123
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124 #ifdef CYGPKG_KERNEL
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125 new_thread(entry, 0);
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126 Cyg_Scheduler::start();
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127 #else
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128 entry(0);
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129 #endif
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130
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131 CYG_TEST_FAIL_FINISH("Not reached");
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132 }
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133
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134 externC void
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135 cyg_start( void )
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136 {
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137 memfix2_main();
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138 }
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139 // EOF memfix2.cxx