Mercurial > flash_v2

annotate packages/services/memalloc/common/current/tests/kmemvar1.c @ 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
parents
children e0c0827131d1
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115
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1 /*==========================================================================
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2 //
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3 // kmemvar1.cxx
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4 //
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5 // Kernel C API Variable memory pool test 1
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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
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35 // Contributors: dsm
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36 // Date: 1998-06-08
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37 // Description: Tests basic variable memory pool functionality
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38 //####DESCRIPTIONEND####
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39 */
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40
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41 #include <pkgconf/memalloc.h>
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42
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43 #include <cyg/infra/testcase.h>
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44
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45 #ifdef CYGFUN_MEMALLOC_KAPI
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46
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47 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
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48
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49 #include <pkgconf/kernel.h>
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50
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51 #include <cyg/kernel/kapi.h>
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52
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53 #define NTHREADS 2
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54 #define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
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55
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56 static cyg_handle_t thread[NTHREADS];
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57
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58 static cyg_thread thread_obj[NTHREADS];
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59 static char stack[NTHREADS][STACKSIZE];
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60
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61
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62 #define MEMSIZE 10240
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63
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64 static cyg_uint8 mem[2][MEMSIZE];
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65
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66 static cyg_mempool_var mempool_obj[2];
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67 static cyg_handle_t mempool0, mempool1;
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68
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69 static void check_in_mp0(cyg_uint8 *p, cyg_int32 size)
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70 {
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71 CYG_TEST_CHECK(NULL != p,
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72 "Allocation failed");
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73 CYG_TEST_CHECK(mem[0] <= p && p+size < mem[1],
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74 "Block outside memory pool");
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75 }
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76
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77 static void entry0( cyg_addrword_t data )
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78 {
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79 cyg_uint8 *p0, *p1;
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80 cyg_int32 most_of_mem=MEMSIZE/4*3;
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81 cyg_mempool_info info0, info1, info2;
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82
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83 cyg_mempool_var_get_info(mempool0, &info0);
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84
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85 CYG_TEST_CHECK(mem[0] == info0.base, "get_arena: base wrong");
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86 CYG_TEST_CHECK(MEMSIZE == info0.size, "get_arena: size wrong");
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87
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88 CYG_TEST_CHECK(0 < info0.maxfree && info0.maxfree <= info0.size,
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89 "get_arena: maxfree wildly wrong");
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90
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91 CYG_TEST_CHECK(-1 == info0.blocksize, "get_blocksize wrong" );
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92
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93 CYG_TEST_CHECK(info0.totalmem > 0, "Negative total memory" );
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94 CYG_TEST_CHECK(info0.freemem > 0, "Negative free memory" );
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95 CYG_TEST_CHECK(info0.totalmem <= MEMSIZE,
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96 "info.totalsize: Too much memory");
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97 CYG_TEST_CHECK(info0.freemem <= info0.totalmem ,
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98 "More memory free than possible" );
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99
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100 CYG_TEST_CHECK( !cyg_mempool_var_waiting(mempool0),
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101 "Thread waiting for memory; there shouldn't be");
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102
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103 CYG_TEST_CHECK( NULL == cyg_mempool_var_try_alloc(mempool0, MEMSIZE+1),
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104 "Managed to allocate too much memory");
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105
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106 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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107 p0 = cyg_mempool_var_alloc(mempool0, most_of_mem);
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108 check_in_mp0(p0, most_of_mem);
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109
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110 cyg_mempool_var_get_info(mempool0, &info1);
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111
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112 CYG_TEST_CHECK(info1.freemem > 0, "Negative free memory" );
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113 CYG_TEST_CHECK(info1.freemem < info0.freemem,
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114 "Free memory didn't decrease after allocation" );
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115
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116 CYG_TEST_CHECK( NULL == cyg_mempool_var_try_alloc(mempool0, most_of_mem),
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117 "Managed to allocate too much memory");
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118
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119 cyg_mempool_var_free(mempool0, p0);
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120
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121 cyg_mempool_var_get_info(mempool0, &info2);
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122 CYG_TEST_CHECK(info2.freemem > info1.freemem,
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123 "Free memory didn't increase after free" );
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124 #endif
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125
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126 // should be able to reallocate now memory is free
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127 p0 = cyg_mempool_var_try_alloc(mempool0, most_of_mem);
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128 check_in_mp0(p0, most_of_mem);
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129
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130 p1 = cyg_mempool_var_try_alloc(mempool0, 10);
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131 check_in_mp0(p1, 10);
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132
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133 CYG_TEST_CHECK(p1+10 <= p0 || p1 >= p0+MEMSIZE,
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134 "Ranges of allocated memory overlap");
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135
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136 cyg_mempool_var_free(mempool0, p0);
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137 cyg_mempool_var_free(mempool0, p1);
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138
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139 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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140 # ifdef CYGFUN_KERNEL_THREADS_TIMER
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141 // This shouldn't have to wait
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142 p0 = cyg_mempool_var_timed_alloc(mempool0, most_of_mem,
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143 cyg_current_time()+100000);
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144 check_in_mp0(p0, most_of_mem);
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145 p1 = cyg_mempool_var_timed_alloc(mempool0, most_of_mem,
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146 cyg_current_time()+2);
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147 CYG_TEST_CHECK(NULL == p1, "Timed alloc unexpectedly worked");
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148 p1 = cyg_mempool_var_timed_alloc(mempool0, 10,
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149 cyg_current_time()+2);
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150 check_in_mp0(p1, 10);
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151
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152 // Expect thread 1 to have run while processing previous timed
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153 // allocation. It should therefore tbe waiting.
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154 CYG_TEST_CHECK(cyg_mempool_var_waiting(mempool1), "There should be a thread waiting");
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155 # endif
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156 #endif
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157
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158 CYG_TEST_PASS_FINISH("Kernel C API Variable memory pool 1 OK");
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159 }
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160
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161 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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162 static void entry1( cyg_addrword_t data )
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163 {
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164 cyg_mempool_var_alloc(mempool1, MEMSIZE+1);
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165 CYG_TEST_FAIL("Oversized alloc returned");
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166 }
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167 #endif
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168
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169
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170 void kmemvar1_main( void )
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171 {
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172 CYG_TEST_INIT();
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173 CYG_TEST_INFO("Starting Kernel C API Variable memory pool 1 test");
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174
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175 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmemvar1-0",
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176 (void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
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177 cyg_thread_resume(thread[0]);
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178
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179 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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180 cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "kmemvar1-1",
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181 (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
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182 cyg_thread_resume(thread[1]);
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183 #endif
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184
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185 cyg_mempool_var_create(mem[0], MEMSIZE, &mempool0, &mempool_obj[0]);
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186 cyg_mempool_var_create(mem[1], MEMSIZE, &mempool1, &mempool_obj[1]);
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187
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188 cyg_scheduler_start();
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189
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190 CYG_TEST_FAIL_FINISH("Not reached");
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191 }
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192
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193 externC void
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194 cyg_start( void )
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195 {
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196 kmemvar1_main();
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197 }
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198
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199 #else /* ifdef CYGFUN_MEMALLOC_KAPI */
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200 externC void
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201 cyg_start( void )
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202 {
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203 CYG_TEST_INIT();
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204 CYG_TEST_NA("Kernel C API layer disabled");
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205 }
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206 #endif /* ifdef CYGFUN_MEMALLOC_KAPI */
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207
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208 /* EOF kmemvar1.c */