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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 Cygnus eCos Public License |
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12 // Version 1.0 (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://sourceware.cygnus.com/ecos |
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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 Cygnus Operating System, released |
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22 // September 30, 1998. |
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23 // |
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24 // The Initial Developer of the Original Code is Cygnus. Portions created |
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25 // by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. |
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26 // ------------------------------------------- |
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27 // |
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28 //####COPYRIGHTEND#### |
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29 //========================================================================== |
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30 //#####DESCRIPTIONBEGIN#### |
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31 // |
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32 // Author(s): dsm |
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33 // Contributors: dsm |
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34 // Date: 1998-06-08 |
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35 // Description: Tests basic variable memory pool functionality |
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36 //####DESCRIPTIONEND#### |
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37 */ |
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38 |
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39 #include <pkgconf/kernel.h> |
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40 |
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41 #include <cyg/kernel/kapi.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_KERNEL_API_C |
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46 |
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47 #include "testaux.h" |
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48 |
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49 #define NTHREADS 2 |
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50 #define STACKSIZE 4096 |
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51 |
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52 static cyg_handle_t thread[NTHREADS]; |
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53 |
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54 static cyg_thread thread_obj[NTHREADS]; |
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55 static char stack[NTHREADS][STACKSIZE]; |
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56 |
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57 |
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58 #define MEMSIZE 10240 |
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59 |
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60 static cyg_uint8 mem[2][MEMSIZE]; |
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61 |
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62 static cyg_mempool_var mempool_obj[2]; |
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63 static cyg_handle_t mempool0, mempool1; |
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64 |
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65 static void check_in_mp0(cyg_uint8 *p, cyg_int32 size) |
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66 { |
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67 CYG_TEST_CHECK(NULL != p, |
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68 "Allocation failed"); |
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69 CYG_TEST_CHECK(mem[0] <= p && p+size < mem[1], |
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70 "Block outside memory pool"); |
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71 } |
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72 |
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73 static void entry0( cyg_addrword_t data ) |
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74 { |
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75 cyg_uint8 *p0, *p1; |
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76 cyg_int32 most_of_mem=MEMSIZE/4*3; |
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77 cyg_mempool_info info0, info1, info2; |
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78 |
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79 cyg_mempool_var_get_info(mempool0, &info0); |
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80 |
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81 CYG_TEST_CHECK(mem[0] == info0.base, "get_arena: base wrong"); |
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82 CYG_TEST_CHECK(MEMSIZE == info0.size, "get_arena: size wrong"); |
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83 |
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84 CYG_TEST_CHECK(0 < info0.maxfree && info0.maxfree <= info0.size, |
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85 "get_arena: maxfree wildly wrong"); |
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86 |
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87 CYG_TEST_CHECK(-1 == info0.blocksize, "get_blocksize wrong" ); |
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88 |
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89 CYG_TEST_CHECK(info0.totalmem > 0, "Negative total memory" ); |
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90 CYG_TEST_CHECK(info0.freemem > 0, "Negative free memory" ); |
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91 CYG_TEST_CHECK(info0.totalmem <= MEMSIZE, |
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92 "info.totalsize: Too much memory"); |
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93 CYG_TEST_CHECK(info0.freemem <= info0.totalmem , |
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94 "More memory free than possible" ); |
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95 |
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96 CYG_TEST_CHECK( !cyg_mempool_var_waiting(mempool0), |
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97 "Thread waiting for memory; there shouldn't be"); |
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98 |
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99 CYG_TEST_CHECK( NULL == cyg_mempool_var_try_alloc(mempool0, MEMSIZE+1), |
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100 "Managed to allocate too much memory"); |
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101 |
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102 p0 = cyg_mempool_var_alloc(mempool0, most_of_mem); |
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103 check_in_mp0(p0, most_of_mem); |
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104 |
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105 cyg_mempool_var_get_info(mempool0, &info1); |
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106 |
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107 CYG_TEST_CHECK(info1.freemem > 0, "Negative free memory" ); |
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108 CYG_TEST_CHECK(info1.freemem < info0.freemem, |
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109 "Free memory didn't decrease after allocation" ); |
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110 |
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111 CYG_TEST_CHECK( NULL == cyg_mempool_var_try_alloc(mempool0, most_of_mem), |
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112 "Managed to allocate too much memory"); |
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113 |
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114 cyg_mempool_var_free(mempool0, p0); |
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115 |
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116 cyg_mempool_var_get_info(mempool0, &info2); |
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117 CYG_TEST_CHECK(info2.freemem > info1.freemem, |
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118 "Free memory didn't increase after free" ); |
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119 |
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120 // should be able to reallocate now memory is free |
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121 p0 = cyg_mempool_var_try_alloc(mempool0, most_of_mem); |
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122 check_in_mp0(p0, most_of_mem); |
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123 |
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124 p1 = cyg_mempool_var_try_alloc(mempool0, 10); |
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125 check_in_mp0(p1, 10); |
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126 |
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127 CYG_TEST_CHECK(p1+10 <= p0 || p1 >= p0+MEMSIZE, |
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128 "Ranges of allocated memory overlap"); |
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129 |
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130 cyg_mempool_var_free(mempool0, p0); |
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131 cyg_mempool_var_free(mempool0, p1); |
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132 |
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133 #ifdef CYGFUN_KERNEL_THREADS_TIMER |
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134 // This shouldn't have to wait |
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135 p0 = cyg_mempool_var_timed_alloc(mempool0, most_of_mem, |
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136 cyg_current_time()+100000); |
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137 check_in_mp0(p0, most_of_mem); |
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138 p1 = cyg_mempool_var_timed_alloc(mempool0, most_of_mem, |
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139 cyg_current_time()+2); |
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140 CYG_TEST_CHECK(NULL == p1, "Timed alloc unexpectedly worked"); |
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141 p1 = cyg_mempool_var_timed_alloc(mempool0, 10, |
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142 cyg_current_time()+2); |
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143 check_in_mp0(p1, 10); |
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144 |
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145 // Expect thread 1 to have run while processing previous timed |
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146 // allocation. It should therefore tbe waiting. |
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147 CYG_TEST_CHECK(cyg_mempool_var_waiting(mempool1), "There should be a thread waiting"); |
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148 #endif |
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149 |
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150 CYG_TEST_PASS_FINISH("Kernel C API Variable memory pool 1 OK"); |
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151 } |
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152 |
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153 static void entry1( cyg_addrword_t data ) |
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154 { |
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155 cyg_mempool_var_alloc(mempool1, MEMSIZE+1); |
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156 CYG_TEST_FAIL("Oversized alloc returned"); |
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157 } |
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158 |
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159 |
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160 void kmemvar1_main( void ) |
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161 { |
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162 CYG_TEST_INIT(); |
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163 |
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164 cyg_thread_create(4, entry0 , (cyg_addrword_t)0, "kmemvar1-0", |
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165 (void *)stack[0], STACKSIZE, &thread[0], &thread_obj[0]); |
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166 cyg_thread_resume(thread[0]); |
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167 |
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168 cyg_thread_create(4, entry1 , (cyg_addrword_t)1, "kmemvar1-1", |
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169 (void *)stack[1], STACKSIZE, &thread[1], &thread_obj[1]); |
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170 cyg_thread_resume(thread[1]); |
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171 |
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172 cyg_mempool_var_create(mem[0], MEMSIZE, &mempool0, &mempool_obj[0]); |
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173 cyg_mempool_var_create(mem[1], MEMSIZE, &mempool1, &mempool_obj[1]); |
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174 |
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175 cyg_scheduler_start(); |
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176 |
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177 CYG_TEST_FAIL_FINISH("Not reached"); |
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178 } |
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179 |
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180 externC void |
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181 cyg_start( void ) |
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182 { |
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183 kmemvar1_main(); |
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184 } |
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185 |
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186 #else /* def CYGFUN_KERNEL_API_C */ |
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187 externC void |
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188 cyg_start( void ) |
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189 { |
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190 CYG_TEST_INIT(); |
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191 CYG_TEST_PASS_FINISH("Kernel C API layer disabled"); |
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192 } |
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193 #endif /* def CYGFUN_KERNEL_API_C */ |
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194 |
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195 /* EOF kmemvar1.c */ |
