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annotate packages/services/memalloc/common/current/tests/kmemvar1.c @ 2729:74dbf4c3f2e1 after-copyright-change-20090129

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Update all copyright banners to reflect FSF ownership; fix and improve licence text.
author jlarmour
date Thu, 29 Jan 2009 17:47:46 +0000
parents d2c90368aeef
children
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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 // ####ECOSGPLCOPYRIGHTBEGIN####
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9 // -------------------------------------------
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10 // This file is part of eCos, the Embedded Configurable Operating System.
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11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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12 //
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13 // eCos is free software; you can redistribute it and/or modify it under
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14 // the terms of the GNU General Public License as published by the Free
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15 // Software Foundation; either version 2 or (at your option) any later
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16 // version.
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17 //
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18 // eCos is distributed in the hope that it will be useful, but WITHOUT
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19 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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20 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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21 // for more details.
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22 //
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23 // You should have received a copy of the GNU General Public License
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24 // along with eCos; if not, write to the Free Software Foundation, Inc.,
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25 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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26 //
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27 // As a special exception, if other files instantiate templates or use
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28 // macros or inline functions from this file, or you compile this file
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29 // and link it with other works to produce a work based on this file,
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30 // this file does not by itself cause the resulting work to be covered by
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31 // the GNU General Public License. However the source code for this file
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32 // must still be made available in accordance with section (3) of the GNU
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33 // General Public License v2.
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34 //
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35 // This exception does not invalidate any other reasons why a work based
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36 // on this file might be covered by the GNU General Public License.
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37 // -------------------------------------------
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38 // ####ECOSGPLCOPYRIGHTEND####
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39 //==========================================================================
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40 //#####DESCRIPTIONBEGIN####
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41 //
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42 // Author(s): dsm
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43 // Contributors: dsm
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44 // Date: 1998-06-08
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45 // Description: Tests basic variable memory pool functionality
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46 //####DESCRIPTIONEND####
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47 */
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48
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49 #include <pkgconf/memalloc.h>
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50
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51 #include <cyg/infra/testcase.h>
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52
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53 #ifdef CYGFUN_MEMALLOC_KAPI
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54
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55 #include <cyg/hal/hal_arch.h> // CYGNUM_HAL_STACK_SIZE_TYPICAL
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56
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57 #include <pkgconf/kernel.h>
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58
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59 #include <cyg/kernel/kapi.h>
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60
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61 #define NTHREADS 2
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62 #define STACKSIZE CYGNUM_HAL_STACK_SIZE_TYPICAL
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63
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64 static cyg_handle_t thread[NTHREADS];
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65
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66 static cyg_thread thread_obj[NTHREADS];
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67 static char stack[NTHREADS][STACKSIZE];
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68
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69
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70 #define MEMSIZE 10240
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71
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72 static cyg_uint8 mem[2][MEMSIZE];
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73
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74 static cyg_mempool_var mempool_obj[2];
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75 static cyg_handle_t mempool0, mempool1;
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76
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77 static void check_in_mp0(cyg_uint8 *p, cyg_int32 size)
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78 {
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79 CYG_TEST_CHECK(NULL != p,
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80 "Allocation failed");
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81 CYG_TEST_CHECK(mem[0] <= p && p+size < mem[1],
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82 "Block outside memory pool");
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83 }
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84
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85 static void entry0( cyg_addrword_t data )
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86 {
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87 cyg_uint8 *p0, *p1;
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88 cyg_int32 most_of_mem=MEMSIZE/4*3;
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89 cyg_mempool_info info0, info1, info2;
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90
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91 cyg_mempool_var_get_info(mempool0, &info0);
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92
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93 CYG_TEST_CHECK(mem[0] == info0.base, "get_arena: base wrong");
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94 CYG_TEST_CHECK(MEMSIZE == info0.size, "get_arena: size wrong");
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95
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96 CYG_TEST_CHECK(0 < info0.maxfree && info0.maxfree <= info0.size,
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97 "get_arena: maxfree wildly wrong");
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98
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99 CYG_TEST_CHECK(-1 == info0.blocksize, "get_blocksize wrong" );
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100
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101 CYG_TEST_CHECK(info0.totalmem > 0, "Negative total memory" );
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102 CYG_TEST_CHECK(info0.freemem > 0, "Negative free memory" );
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103 CYG_TEST_CHECK(info0.totalmem <= MEMSIZE,
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104 "info.totalsize: Too much memory");
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105 CYG_TEST_CHECK(info0.freemem <= info0.totalmem ,
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106 "More memory free than possible" );
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107
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108 CYG_TEST_CHECK( !cyg_mempool_var_waiting(mempool0),
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109 "Thread waiting for memory; there shouldn't be");
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110
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111 CYG_TEST_CHECK( NULL == cyg_mempool_var_try_alloc(mempool0, MEMSIZE+1),
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112 "Managed to allocate too much memory");
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113
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114 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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115 p0 = cyg_mempool_var_alloc(mempool0, most_of_mem);
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116 check_in_mp0(p0, most_of_mem);
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117
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118 cyg_mempool_var_get_info(mempool0, &info1);
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119
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120 CYG_TEST_CHECK(info1.freemem > 0, "Negative free memory" );
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121 CYG_TEST_CHECK(info1.freemem < info0.freemem,
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122 "Free memory didn't decrease after allocation" );
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123
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124 CYG_TEST_CHECK( NULL == cyg_mempool_var_try_alloc(mempool0, most_of_mem),
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125 "Managed to allocate too much memory");
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126
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127 cyg_mempool_var_free(mempool0, p0);
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128
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129 cyg_mempool_var_get_info(mempool0, &info2);
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130 CYG_TEST_CHECK(info2.freemem > info1.freemem,
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131 "Free memory didn't increase after free" );
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132 #endif
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133
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134 // should be able to reallocate now memory is free
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135 p0 = cyg_mempool_var_try_alloc(mempool0, most_of_mem);
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136 check_in_mp0(p0, most_of_mem);
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137
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138 p1 = cyg_mempool_var_try_alloc(mempool0, 10);
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139 check_in_mp0(p1, 10);
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140
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141 CYG_TEST_CHECK(p1+10 <= p0 || p1 >= p0+MEMSIZE,
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142 "Ranges of allocated memory overlap");
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143
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144 cyg_mempool_var_free(mempool0, p0);
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145 cyg_mempool_var_free(mempool0, p1);
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146
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147 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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148 # ifdef CYGFUN_KERNEL_THREADS_TIMER
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149 // This shouldn't have to wait
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150 p0 = cyg_mempool_var_timed_alloc(mempool0, most_of_mem,
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151 cyg_current_time()+100000);
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152 check_in_mp0(p0, most_of_mem);
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153 p1 = cyg_mempool_var_timed_alloc(mempool0, most_of_mem,
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154 cyg_current_time()+2);
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155 CYG_TEST_CHECK(NULL == p1, "Timed alloc unexpectedly worked");
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156 p1 = cyg_mempool_var_timed_alloc(mempool0, 10,
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157 cyg_current_time()+2);
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158 check_in_mp0(p1, 10);
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159
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160 // Expect thread 1 to have run while processing previous timed
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161 // allocation. It should therefore tbe waiting.
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162 CYG_TEST_CHECK(cyg_mempool_var_waiting(mempool1), "There should be a thread waiting");
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163 # endif
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164 #endif
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165
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166 CYG_TEST_PASS_FINISH("Kernel C API Variable memory pool 1 OK");
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167 }
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168
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169 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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170 static void entry1( cyg_addrword_t data )
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171 {
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172 cyg_mempool_var_alloc(mempool1, MEMSIZE+1);
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173 CYG_TEST_FAIL("Oversized alloc returned");
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174 }
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175 #endif
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176
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177
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178 void kmemvar1_main( void )
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179 {
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180 CYG_TEST_INIT();
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181 CYG_TEST_INFO("Starting Kernel C API Variable memory pool 1 test");
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182
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183 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmemvar1-0",
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184 (void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]);
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185 cyg_thread_resume(thread[0]);
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186
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187 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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188 cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "kmemvar1-1",
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189 (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]);
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190 cyg_thread_resume(thread[1]);
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191 #endif
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192
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193 cyg_mempool_var_create(mem[0], MEMSIZE, &mempool0, &mempool_obj[0]);
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194 cyg_mempool_var_create(mem[1], MEMSIZE, &mempool1, &mempool_obj[1]);
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195
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196 cyg_scheduler_start();
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197
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198 CYG_TEST_FAIL_FINISH("Not reached");
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199 }
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200
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201 externC void
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202 cyg_start( void )
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203 {
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204 kmemvar1_main();
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205 }
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206
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207 #else /* ifdef CYGFUN_MEMALLOC_KAPI */
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208 externC void
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209 cyg_start( void )
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210 {
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211 CYG_TEST_INIT();
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212 CYG_TEST_NA("Kernel C API layer disabled");
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213 }
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214 #endif /* ifdef CYGFUN_MEMALLOC_KAPI */
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215
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216 /* EOF kmemvar1.c */