Mercurial > flash_v2

annotate packages/services/memalloc/common/current/tests/memvar1.cxx @ 130:eb9fd8c04db3 ecos-sw-2000-10-23

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Merge from eCos master repository on 2000-10-23-17:01:37-BST
author jlarmour
date Mon, 23 Oct 2000 17:10:57 +0000
parents 6ed91473a1cd
children e0c0827131d1
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1 //==========================================================================
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2 //
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3 // memvar1.cxx
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4 //
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5 // 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, jlarmour
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35 // Contributors:
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36 // Date: 2000-06-18
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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 #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
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49 #include <cyg/kernel/sched.inl>
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50 #include <cyg/kernel/thread.inl>
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51
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52 #include <cyg/kernel/timer.hxx> // Cyg_Timer
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53 #include <cyg/kernel/clock.inl> // Cyg_Clock
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54
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55 #define NTHREADS 2
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56 #include "testaux.hxx"
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57
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58 #endif
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59
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60 #include <cyg/memalloc/memvar.hxx>
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61
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62 #include <cyg/infra/testcase.h>
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63
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64 static const cyg_int32 memsize = 10240;
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65
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66 static cyg_uint8 mem[2][memsize];
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67
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68 static Cyg_Mempool_Variable mempool0(mem[0], memsize);
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69
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70 static Cyg_Mempool_Variable mempool1(mem[1], memsize);
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71
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72
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73 static void check_in_mp0(cyg_uint8 *p, cyg_int32 size)
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74 {
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75 CYG_TEST_CHECK(NULL != p,
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76 "Allocation failed");
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77 CYG_TEST_CHECK(mem[0] <= p && p+size < mem[1],
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78 "Block outside memory pool");
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79 }
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80
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81
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82 static void entry0( CYG_ADDRWORD data )
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83 {
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84 cyg_int32 f0,f1,f2,t0;
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85 cyg_uint8 *p0, *p1;
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86 cyg_int32 most_of_mem=memsize/4*3;
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87 Cyg_Mempool_Status stat;
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88
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89 mempool0.get_status( CYG_MEMPOOL_STAT_ORIGBASE|
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90 CYG_MEMPOOL_STAT_BLOCKSIZE|
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91 CYG_MEMPOOL_STAT_MAXFREE|
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92 CYG_MEMPOOL_STAT_ORIGSIZE, stat );
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93
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94 CYG_TEST_CHECK(mem[0] == stat.origbase, "get_status: base wrong");
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95 CYG_TEST_CHECK(memsize == stat.origsize, "get_status: size wrong");
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96
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97 CYG_TEST_CHECK(0 < stat.maxfree && stat.maxfree <= stat.origsize,
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98 "get_status: maxfree wildly wrong");
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99
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100 CYG_TEST_CHECK(-1 == stat.blocksize, "blocksize wrong" );
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101
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102 mempool0.get_status( CYG_MEMPOOL_STAT_TOTALFREE|
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103 CYG_MEMPOOL_STAT_ARENASIZE, stat );
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104 t0 = stat.arenasize;
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105 CYG_TEST_CHECK(t0 > 0, "Negative total memory" );
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106 f0 = stat.totalfree;
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107 CYG_TEST_CHECK(f0 > 0, "Negative free memory" );
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108 CYG_TEST_CHECK(t0 <= memsize, "get_totalsize: Too much memory");
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109 CYG_TEST_CHECK(f0 <= t0 , "More memory free than possible" );
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110
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111 mempool0.get_status( CYG_MEMPOOL_STAT_WAITING, stat );
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112 CYG_TEST_CHECK( !stat.waiting,
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113 "Thread waiting for memory; there shouldn't be");
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114
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115 CYG_TEST_CHECK( NULL == mempool0.try_alloc(memsize+1),
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116 "Managed to allocate too much memory");
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117
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118 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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119 p0 = mempool0.alloc(most_of_mem);
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120 #else
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121 p0 = mempool0.try_alloc(most_of_mem);
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122 #endif
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123 check_in_mp0(p0, most_of_mem);
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124
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125 mempool0.get_status( CYG_MEMPOOL_STAT_TOTALFREE, stat );
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126 f1 = stat.totalfree;
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127 CYG_TEST_CHECK(f1 > 0, "Negative free memory" );
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128 CYG_TEST_CHECK(f1 < f0, "Free memory didn't decrease after allocation" );
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129
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130 CYG_TEST_CHECK( NULL == mempool0.try_alloc(most_of_mem),
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131 "Managed to allocate too much memory");
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132
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133 CYG_TEST_CHECK(mempool0.free(p0, most_of_mem), "Couldn't free");
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134
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135 mempool0.get_status( CYG_MEMPOOL_STAT_TOTALFREE, stat );
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136 f2 = stat.totalfree;
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137 CYG_TEST_CHECK(f2 > f1, "Free memory didn't increase after free" );
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138
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139 // should be able to reallocate now memory is free
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140 p0 = mempool0.try_alloc(most_of_mem);
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141 check_in_mp0(p0, most_of_mem);
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142
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143 p1 = mempool0.try_alloc(10);
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144 check_in_mp0(p1, 10);
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145
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146 CYG_TEST_CHECK(p1+10 <= p0 || p1 >= p0+most_of_mem,
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147 "Ranges of allocated memory overlap");
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148
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149 CYG_TEST_CHECK(mempool0.free(p0, 0), "Couldn't free");
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150 CYG_TEST_CHECK(mempool0.free(p1, 10), "Couldn't free");
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151
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152 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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153 # ifdef CYGFUN_KERNEL_THREADS_TIMER
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154 // This shouldn't have to wait
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155 p0 = mempool0.alloc(most_of_mem,
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156 Cyg_Clock::real_time_clock->current_value() + 100000);
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157 check_in_mp0(p0, most_of_mem);
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158 p1 = mempool0.alloc(most_of_mem,
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159 Cyg_Clock::real_time_clock->current_value() + 2);
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160 CYG_TEST_CHECK(NULL == p1, "Timed alloc unexpectedly worked");
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161 p1 = mempool0.alloc(10,
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162 Cyg_Clock::real_time_clock->current_value() + 2);
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163 check_in_mp0(p1, 10);
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164
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165 // Expect thread 1 to have run while processing previous timed
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166 // allocation. It should therefore tbe waiting.
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167 mempool1.get_status( CYG_MEMPOOL_STAT_WAITING, stat );
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168 CYG_TEST_CHECK(stat.waiting, "There should be a thread waiting");
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169 # endif
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170 #endif
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171
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172 CYG_TEST_PASS_FINISH("Variable memory pool 1 OK");
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173 }
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174
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175 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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176 static void entry1( CYG_ADDRWORD data )
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177 {
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178 mempool1.alloc(memsize+1);
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179 CYG_TEST_FAIL("Oversized alloc returned");
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180 }
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181 #endif
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182
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183 void memvar1_main( void )
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184 {
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185 CYG_TEST_INIT();
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186 CYG_TEST_INFO("Starting Variable memory pool 1 test");
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187
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188 #ifdef CYGSEM_MEMALLOC_ALLOCATOR_VARIABLE_THREADAWARE
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189 new_thread(entry0, 0);
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190 new_thread(entry1, 1);
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191
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192 Cyg_Scheduler::start();
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193 #elif defined(CYGPKG_KERNEL)
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194 new_thread(entry0, 0);
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195
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196 Cyg_Scheduler::start();
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197 #else
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198 entry0(0);
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199 #endif
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200
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201 CYG_TEST_FAIL_FINISH("Not reached");
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202 }
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203
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204 externC void
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205 cyg_start( void )
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206 {
130
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207 #ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
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208 cyg_hal_invoke_constructors();
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209 #endif
115
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210 memvar1_main();
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211 }
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212 // EOF memvar1.cxx