1 | // =============================================================== // |
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2 | // // |
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3 | // File : admalloc.cxx // |
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4 | // Purpose : // |
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5 | // // |
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6 | // Institute of Microbiology (Technical University Munich) // |
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7 | // http://www.arb-home.de/ // |
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8 | // // |
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9 | // =============================================================== // |
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10 | |
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11 | #include <unistd.h> |
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12 | #include <climits> |
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13 | #include <set> |
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14 | |
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15 | #include <arb_backtrace.h> |
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16 | #include "gb_storage.h" |
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17 | |
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18 | // #define DUMP_MEMBLKS |
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19 | // #define DUMP_MEMBLKS_AT_EXIT |
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20 | |
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21 | #ifdef DEBUG |
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22 | // #define TEST_MEMBLKS |
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23 | // #define TRACE_ALLOCS |
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24 | |
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25 | // @@@ unit tests fail when TRACE_ALLOCS is defined (due to wrong sized block during load(?). cant fix atm. see [6672]) |
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26 | #endif |
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27 | |
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28 | #define GBM_MAGIC 0x74732876 |
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29 | |
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30 | #define GBM_SYSTEM_PAGE_SIZE 4096 // 4k Tables |
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31 | #define GBM_MALLOC_OVERHEAD 32 // pointer for alloc |
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32 | #define GBM_TABLE_SIZE (GBM_SYSTEM_PAGE_SIZE-GBM_MALLOC_OVERHEAD) // usable size of table |
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33 | |
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34 | #define GBM_ALIGNED 8 |
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35 | #define GBM_LD_ALIGNED 3 |
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36 | |
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37 | #define GBM_MAX_TABLES 16 // n different sizes -> max = GBM_MAX_TABLES * GBM_ALIGNED |
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38 | #define GBM_MAX_SIZE (GBM_MAX_TABLES*GBM_ALIGNED) |
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39 | #define GBM_MAX_INDEX 256 // has to be 2 ^ x (with x = GBM_MAX_TABLES ? ) |
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40 | |
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41 | |
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42 | struct gbm_data { |
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43 | long magic; // indicates free element |
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44 | gbm_data *next; // next free element |
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45 | }; |
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46 | |
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47 | struct gbm_table { // a block containing data |
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48 | gbm_table *next; |
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49 | gbm_data data[1]; |
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50 | }; |
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51 | |
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52 | static struct gbm_pool { // one pool for each memory index |
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53 | gbm_data *gds; // free data area |
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54 | size_t size; // free size of current table |
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55 | size_t allsize; // full size of all tables |
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56 | gbm_table *first; // link list of tables |
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57 | gbm_data *tables[GBM_MAX_TABLES+1]; // free entries |
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58 | long tablecnt[GBM_MAX_TABLES+1]; // number of free entries |
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59 | long useditems[GBM_MAX_TABLES+1]; // number of used items (everything) |
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60 | size_t extern_data_size; // not handled by this routine |
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61 | long extern_data_items; |
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62 | } gbm_pool4idx[GBM_MAX_INDEX]; |
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63 | |
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64 | static struct { |
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65 | char *old_sbrk; |
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66 | } gbm_global; |
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67 | |
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68 | |
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69 | #define GBB_INCR 11 // memsize increment in percent between adjacent clusters |
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70 | #define GBB_CLUSTERS 64 // # of different clusters |
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71 | #define GBB_ALIGN GBM_LD_ALIGNED // align memsize of clusters (# of bits) |
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72 | #define GBB_MINSIZE GBM_MAX_SIZE // minimal size of allocated big block |
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73 | #define GBB_MAX_TRIALS 4 // maximal number of clusters to search for an unused block |
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74 | #define GBB_MAGIC 0x67823747 |
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75 | |
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76 | struct gbb_data; |
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77 | |
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78 | struct gbb_freedata { // part of gbb_data if it`s a free block |
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79 | // cppcheck-suppress unusedStructMember |
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80 | long magic; |
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81 | gbb_data *next; // next unused memblock |
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82 | }; |
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83 | |
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84 | struct gbb_data { |
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85 | size_t size; // real size of memblock (from `content` to end of block) |
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86 | long allocFromSystem; // ==0 -> it`s a block imported by gbm_put_mem |
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87 | gbb_freedata content; // startposition of block returned to user or chain info for free blocks |
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88 | }; |
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89 | |
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90 | #define GBB_HEADER_SIZE (sizeof(gbb_data)-sizeof(gbb_freedata)) |
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91 | |
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92 | static struct gbb_Cluster { |
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93 | size_t size; // minimum size of memblocks in this cluster |
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94 | gbb_data *first; // first free block |
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95 | |
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96 | } gbb_cluster[GBB_CLUSTERS+1]; |
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97 | |
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98 | |
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99 | #ifdef TRACE_ALLOCS |
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100 | |
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101 | class AllocLogEntry { |
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102 | void *block; |
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103 | size_t size; |
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104 | long index; |
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105 | |
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106 | mutable BackTraceInfo *trace; |
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107 | |
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108 | public: |
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109 | AllocLogEntry(void *block_, size_t size_, long index_, bool do_trace) : |
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110 | block(block_), |
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111 | size(size_), |
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112 | index(index_), |
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113 | trace(do_trace ? GBK_get_backtrace(5) : NULp) |
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114 | { } |
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115 | AllocLogEntry(const AllocLogEntry& other) : |
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116 | block(other.block), |
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117 | size(other.size), |
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118 | index(other.index), |
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119 | trace(other.trace) |
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120 | { |
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121 | other.trace = NULp; |
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122 | } |
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123 | ~AllocLogEntry() { if (trace) GBK_free_backtrace(trace); } |
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124 | |
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125 | size_t get_size() const { return size; } |
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126 | long get_index() const { return index; } |
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127 | |
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128 | bool operator<(const AllocLogEntry& other) const { return block < other.block; } |
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129 | void dump(FILE *out, GB_CSTR message) const { GBK_dump_former_backtrace(trace, out, message); } |
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130 | }; |
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131 | |
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132 | typedef std::set<AllocLogEntry> AllocLogEntries; |
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133 | |
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134 | class AllocLogger { |
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135 | AllocLogEntries entries; |
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136 | |
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137 | const AllocLogEntry *existingEntry(void *block) { |
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138 | AllocLogEntries::const_iterator found = entries.find(AllocLogEntry(block, 0, 0, false)); |
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139 | |
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140 | return found == entries.end() ? NULp : &*found; |
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141 | } |
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142 | |
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143 | public: |
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144 | AllocLogger() { |
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145 | } |
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146 | ~AllocLogger() { |
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147 | size_t count = entries.size(); |
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148 | if (count) { |
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149 | fprintf(stderr, "%zu non-freed blocks:\n", count); |
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150 | AllocLogEntries::const_iterator end = entries.end(); |
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151 | for (AllocLogEntries::const_iterator entry = entries.begin(); entry != end; ++entry) { |
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152 | entry->dump(stderr, "block was allocated from here"); |
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153 | } |
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154 | } |
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155 | } |
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156 | |
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157 | void allocated(void *block, size_t size, long index) { |
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158 | const AllocLogEntry *exists = existingEntry(block); |
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159 | if (exists) { |
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160 | GBK_dump_backtrace(stderr, "Block allocated again"); |
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161 | exists->dump(stderr, "Already allocated from here"); |
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162 | } |
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163 | else { |
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164 | entries.insert(AllocLogEntry(block, size, index, true)); |
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165 | } |
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166 | } |
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167 | void freed(void *block, size_t size, long index) { |
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168 | const AllocLogEntry *exists = existingEntry(block); |
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169 | if (!exists) { |
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170 | if (!gb_isMappedMemory(block)) { |
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171 | gb_assert(0); |
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172 | // GBK_dump_backtrace(stderr, "Tried to free unallocated block"); |
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173 | } |
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174 | } |
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175 | else { |
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176 | gb_assert(exists->get_size() == size); |
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177 | gb_assert(exists->get_index() == index); |
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178 | entries.erase(*exists); |
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179 | } |
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180 | } |
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181 | }; |
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182 | |
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183 | static AllocLogger allocLogger; |
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184 | |
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185 | #endif |
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186 | |
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187 | inline void free_gbm_table(gbm_table *table) { |
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188 | while (table) { |
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189 | gbm_table *next = table->next; |
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190 | |
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191 | free(table); |
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192 | table = next; |
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193 | } |
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194 | } |
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195 | |
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196 | static bool gbm_mem_initialized = false; |
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197 | |
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198 | void gbm_flush_mem() { |
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199 | gb_assert(gbm_mem_initialized); |
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200 | |
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201 | for (int i = 0; i<GBM_MAX_INDEX; ++i) { |
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202 | gbm_pool& gbm = gbm_pool4idx[i]; |
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203 | bool have_used_items = false; |
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204 | |
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205 | for (int t = 0; t < GBM_MAX_TABLES; t++) { |
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206 | if (gbm.useditems[t]) { |
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207 | have_used_items = true; |
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208 | break; |
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209 | } |
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210 | } |
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211 | |
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212 | if (!have_used_items) { |
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213 | free_gbm_table(gbm.first); |
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214 | memset((char*)&gbm, 0, sizeof(gbm)); |
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215 | } |
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216 | } |
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217 | } |
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218 | |
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219 | void gbm_init_mem() { |
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220 | if (!gbm_mem_initialized) { |
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221 | for (int i = 0; i<GBM_MAX_INDEX; ++i) { |
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222 | memset((char *)&gbm_pool4idx[i], 0, sizeof(gbm_pool)); |
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223 | gbm_pool4idx[i].tables[0] = NULp; // CORE zero get mem |
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224 | } |
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225 | gbm_global.old_sbrk = (char *)sbrk(0); |
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226 | |
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227 | /* init GBB: |
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228 | * --------- */ |
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229 | |
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230 | gbb_cluster[0].size = GBB_MINSIZE; |
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231 | gbb_cluster[0].first = NULp; |
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232 | |
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233 | for (int i = 1; i<GBB_CLUSTERS; ++i) { |
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234 | long nextSize = gbb_cluster[i-1].size * (100+GBB_INCR); |
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235 | |
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236 | nextSize /= 100; |
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237 | nextSize >>= GBB_ALIGN; |
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238 | nextSize ++; |
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239 | nextSize <<= GBB_ALIGN; |
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240 | |
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241 | gbb_cluster[i].size = nextSize; |
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242 | gbb_cluster[i].first = NULp; |
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243 | } |
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244 | |
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245 | // last cluster contains ALL bigger blocks |
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246 | |
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247 | gbb_cluster[GBB_CLUSTERS].size = INT_MAX; |
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248 | gbb_cluster[GBB_CLUSTERS].first = NULp; |
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249 | |
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250 | gbm_mem_initialized = true; |
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251 | } |
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252 | } |
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253 | |
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254 | struct ARBDB_memory_manager { |
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255 | ARBDB_memory_manager() { |
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256 | gb_assert(!gbm_mem_initialized); // there may be only one instance! |
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257 | gbm_init_mem(); |
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258 | } |
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259 | ~ARBDB_memory_manager() { |
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260 | #if defined(DUMP_MEMBLKS_AT_EXIT) |
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261 | printf("memory at exit:\n"); |
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262 | gbm_debug_mem(); |
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263 | #endif // DUMP_MEMBLKS_AT_EXIT |
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264 | gbm_flush_mem(); |
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265 | #if defined(DUMP_MEMBLKS_AT_EXIT) |
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266 | printf("memory at exit (after flush):\n"); |
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267 | gbm_debug_mem(); |
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268 | #endif // DUMP_MEMBLKS_AT_EXIT |
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269 | } |
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270 | }; |
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271 | static ARBDB_memory_manager memman; |
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272 | |
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273 | #ifdef TEST_MEMBLKS |
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274 | |
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275 | #define TEST() testMemblocks(__FILE__, __LINE__) |
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276 | |
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277 | void testMemblocks(const char *file, int line) { |
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278 | int idx; |
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279 | |
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280 | for (idx=0; idx<GBB_CLUSTERS; idx++) { |
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281 | struct gbb_Cluster *cl = &(gbb_cluster[idx]); |
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282 | gbb_data *blk = cl->first; |
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283 | |
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284 | while (blk) { |
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285 | if (blk->size<cl->size) { |
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286 | fprintf(stderr, "Illegal block (size=%zu) in cluster %i (size=%zu) (%s,%i)\n", blk->size, idx, cl->size, file, line); |
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287 | gb_assert(0); |
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288 | } |
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289 | blk = blk->content.next; |
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290 | } |
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291 | } |
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292 | } |
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293 | |
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294 | #else |
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295 | # define TEST() |
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296 | #endif |
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297 | |
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298 | |
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299 | #if (MEMORY_TEST==0) |
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300 | |
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301 | static void imemerr(const char *why) { |
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302 | GB_internal_errorf("Dangerous internal error: '%s'\n" |
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303 | "Inconsistent database: Do not overwrite old files with this database", why); |
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304 | } |
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305 | |
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306 | static int getClusterIndex(size_t size) { |
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307 | // searches the index of the lowest cluster for that: size <= cluster->size |
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308 | int l, m, h; |
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309 | |
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310 | if (size<GBB_MINSIZE) return 0; |
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311 | |
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312 | l = 1; |
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313 | h = GBB_CLUSTERS; |
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314 | |
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315 | while (l!=h) { |
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316 | m = (l+h)/2; |
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317 | if (gbb_cluster[m].size < size) l = m+1; |
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318 | else h = m; |
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319 | } |
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320 | |
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321 | gb_assert(l<=GBB_CLUSTERS); |
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322 | |
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323 | return l; |
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324 | } |
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325 | |
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326 | static void gbm_put_memblk(char *memblk, size_t size) { |
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327 | /* gives any memory block (allocated or not) |
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328 | into the responsibility of this module; |
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329 | the block has to be aligned!!! */ |
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330 | |
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331 | gbb_data *block; |
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332 | int idx; |
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333 | |
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334 | TEST(); |
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335 | |
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336 | #ifdef DUMP_MEMBLKS |
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337 | printf("put %p (%li bytes)\n", memblk, size); |
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338 | #endif |
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339 | |
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340 | if (size<(GBB_HEADER_SIZE+GBB_MINSIZE)) { |
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341 | GB_internal_errorf("gmb_put_memblk() called with size below %zu bytes", |
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342 | GBB_HEADER_SIZE+GBB_MINSIZE); |
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343 | return; |
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344 | } |
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345 | |
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346 | block = (gbb_data *)memblk; |
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347 | block->size = size-GBB_HEADER_SIZE; |
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348 | block->allocFromSystem = 0; |
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349 | |
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350 | idx = getClusterIndex(block->size)-1; |
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351 | if (idx<0) { // (silences warning in NDEBUG mode) |
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352 | gb_assert(0); // should be impossible |
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353 | return; |
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354 | } |
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355 | |
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356 | block->content.next = gbb_cluster[idx].first; |
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357 | block->content.magic = GBB_MAGIC; |
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358 | gbb_cluster[idx].first = block; |
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359 | |
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360 | gb_assert(idx==GBB_CLUSTERS || block->size>=gbb_cluster[idx].size); |
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361 | TEST(); |
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362 | } |
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363 | |
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364 | static char *gbm_get_memblk(size_t size) { |
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365 | gbb_data *block = NULp; |
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366 | int trials = GBB_MAX_TRIALS; |
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367 | int idx; |
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368 | |
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369 | TEST(); |
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370 | |
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371 | idx = getClusterIndex(size); |
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372 | gb_assert(gbb_cluster[idx].size>=size); |
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373 | |
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374 | while (trials--) { // search a cluster containing a block |
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375 | if ((block = gbb_cluster[idx].first)) break; // found! |
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376 | if (idx==GBB_CLUSTERS) break; // last cluster! |
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377 | idx++; |
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378 | } |
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379 | |
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380 | if (!block) { // if no unused block -> allocate from system |
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381 | int allocationSize; |
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382 | |
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383 | allocFromSys : |
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384 | |
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385 | allocationSize = (idx==GBB_CLUSTERS |
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386 | ? (size_t)size |
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387 | : (size_t)(gbb_cluster[idx].size)) + GBB_HEADER_SIZE; |
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388 | |
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389 | block = (gbb_data *)ARB_calloc<char>(allocationSize); |
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390 | |
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391 | block->size = allocationSize-GBB_HEADER_SIZE; |
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392 | block->allocFromSystem = 1; |
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393 | |
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394 | gb_assert(block->size>=size); |
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395 | |
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396 | #ifdef DUMP_MEMBLKS |
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397 | printf("allocated %li bytes\n", size); |
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398 | #endif |
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399 | } |
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400 | else { |
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401 | gbb_data **blockPtr = &(gbb_cluster[idx].first); |
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402 | |
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403 | if (idx==GBB_CLUSTERS) { // last cluster (test for block size necessary) |
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404 | while ((block=*blockPtr) && block->size<size) |
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405 | blockPtr = &(block->content.next); |
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406 | |
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407 | if (!block) goto allocFromSys; |
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408 | gb_assert(block->size>=size); |
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409 | } |
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410 | |
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411 | if (block->content.magic!=GBB_MAGIC) { imemerr("bad magic number if free block"); return NULp; } |
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412 | *blockPtr = block->content.next; |
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413 | memset((char*)&(block->content), 0, size); // act like calloc |
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414 | |
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415 | #ifdef DUMP_MEMBLKS |
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416 | printf("using unused block " |
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417 | "(add=%p,size=%li, block->size=%li,cluster->size=%li)\n", |
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418 | block, size, block->size, gbb_cluster[idx].size); |
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419 | #endif |
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420 | |
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421 | gb_assert(block->size>=size); |
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422 | } |
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423 | |
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424 | gb_assert(block->size>=size); |
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425 | |
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426 | TEST(); |
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427 | |
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428 | return (char*)&(block->content); |
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429 | } |
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430 | |
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431 | void *gbmGetMemImpl(size_t size, long index) { |
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432 | if (size < sizeof(gbm_data)) size = sizeof(gbm_data); |
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433 | index &= GBM_MAX_INDEX-1; |
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434 | |
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435 | gbm_pool *ggi = &gbm_pool4idx[index]; |
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436 | unsigned long nsize = (size + (GBM_ALIGNED - 1)) & (-GBM_ALIGNED); |
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437 | |
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438 | char *result; |
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439 | if (nsize > GBM_MAX_SIZE) { |
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440 | ggi->extern_data_size += nsize; |
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441 | ggi->extern_data_items++; |
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442 | |
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443 | result = gbm_get_memblk((size_t)nsize); |
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444 | } |
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445 | else { |
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446 | unsigned long pos = nsize >> GBM_LD_ALIGNED; |
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447 | gbm_data *gds = ggi->tables[pos]; |
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448 | if (gds) { |
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449 | ggi->tablecnt[pos]--; |
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450 | result = (char *)gds; |
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451 | if (gds->magic != GBM_MAGIC) { |
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452 | printf("%lX!= %lX\n", gds->magic, (long)GBM_MAGIC); |
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453 | GB_internal_error("Dangerous internal error: Inconsistent database: " |
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454 | "Do not overwrite old files with this database"); |
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455 | } |
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456 | ggi->tables[pos] = ggi->tables[pos]->next; |
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457 | } |
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458 | else { |
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459 | if (ggi->size < nsize) { |
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460 | gbm_table *gts; |
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461 | arb_mem::alloc_aligned((void**)(>s), GBM_SYSTEM_PAGE_SIZE, GBM_TABLE_SIZE); |
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462 | |
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463 | memset((char *)gts, 0, GBM_TABLE_SIZE); |
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464 | ggi->gds = >s->data[0]; |
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465 | gts->next = ggi->first; // link tables |
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466 | ggi->first = gts; |
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467 | ggi->size = GBM_TABLE_SIZE - sizeof(void *); |
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468 | ggi->allsize += GBM_TABLE_SIZE; |
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469 | } |
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470 | result = (char *)ggi->gds; |
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471 | ggi->gds = (gbm_data *)(((char *)ggi->gds) + nsize); |
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472 | ggi->size -= (size_t)nsize; |
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473 | } |
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474 | |
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475 | ggi->useditems[pos]++; |
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476 | memset(result, 0, nsize); // act like calloc() |
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477 | } |
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478 | |
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479 | #ifdef TRACE_ALLOCS |
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480 | allocLogger.allocated(erg, size, index); |
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481 | #endif |
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482 | return result; |
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483 | } |
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484 | |
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485 | void gbmFreeMemImpl(void *data, size_t size, long index) { |
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486 | if (size < sizeof(gbm_data)) size = sizeof(gbm_data); |
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487 | index &= GBM_MAX_INDEX-1; |
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488 | |
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489 | gbm_pool *ggi = &gbm_pool4idx[index]; |
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490 | long nsize = (size + (GBM_ALIGNED - 1)) & (-GBM_ALIGNED); |
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491 | |
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492 | #ifdef TRACE_ALLOCS |
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493 | allocLogger.freed(data, size, index); |
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494 | #endif |
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495 | |
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496 | if (nsize > GBM_MAX_SIZE) { |
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497 | gbb_data *block; |
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498 | |
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499 | if (gb_isMappedMemory(data)) { |
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500 | block = (gbb_data *)data; |
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501 | |
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502 | block->size = size-GBB_HEADER_SIZE; |
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503 | block->allocFromSystem = 0; |
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504 | |
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505 | if (size>=(GBB_HEADER_SIZE+GBB_MINSIZE)) { |
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506 | gbm_put_memblk((char*)block, size); |
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507 | } |
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508 | } |
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509 | else { |
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510 | block = (gbb_data *)((char*)data-GBB_HEADER_SIZE); |
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511 | |
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512 | ggi->extern_data_size -= (size_t)nsize; |
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513 | ggi->extern_data_items--; |
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514 | |
---|
515 | if (block->size<size) { imemerr("block size does not match"); return; } |
---|
516 | |
---|
517 | if (block->allocFromSystem) { |
---|
518 | free(block); |
---|
519 | } |
---|
520 | else { |
---|
521 | /* printf("put unused block (size=%li block->size=%li)\n", |
---|
522 | size,block->size); */ |
---|
523 | gbm_put_memblk((char*)block, block->size + GBB_HEADER_SIZE); |
---|
524 | } |
---|
525 | } |
---|
526 | } |
---|
527 | else { |
---|
528 | if (gb_isMappedMemory(data)) return; // @@@ reason: size may be shorter |
---|
529 | |
---|
530 | gbm_data *gdata = (gbm_data*)data; |
---|
531 | |
---|
532 | if (gdata->magic == GBM_MAGIC) { |
---|
533 | imemerr("double free"); |
---|
534 | return; |
---|
535 | } |
---|
536 | |
---|
537 | long pos = nsize >> GBM_LD_ALIGNED; |
---|
538 | |
---|
539 | gdata->next = ggi->tables[pos]; |
---|
540 | gdata->magic = GBM_MAGIC; |
---|
541 | ggi->tables[pos] = gdata; |
---|
542 | ggi->tablecnt[pos]++; |
---|
543 | ggi->useditems[pos]--; |
---|
544 | } |
---|
545 | } |
---|
546 | |
---|
547 | #endif // MEMORY_TEST==0 |
---|
548 | |
---|
549 | void gbm_debug_mem() { |
---|
550 | int i; |
---|
551 | int index; |
---|
552 | long total = 0; |
---|
553 | long index_total; |
---|
554 | gbm_pool *ggi; |
---|
555 | |
---|
556 | printf("Memory Debug Information:\n"); |
---|
557 | for (index = 0; index < GBM_MAX_INDEX; index++) { |
---|
558 | index_total = 0; |
---|
559 | ggi = &gbm_pool4idx[index]; |
---|
560 | for (i = 0; i < GBM_MAX_TABLES; i++) { |
---|
561 | index_total += i * GBM_ALIGNED * (int) ggi->useditems[i]; |
---|
562 | total += i * GBM_ALIGNED * (int) ggi->useditems[i]; |
---|
563 | |
---|
564 | if (ggi->useditems[i] || ggi->tablecnt[i]) { |
---|
565 | printf("\t'I=%3i' 'Size=%3i' * 'Items %4i' = 'size %7i' 'sum=%7li' 'totalsum=%7li' : Free %3i\n", |
---|
566 | index, |
---|
567 | i * GBM_ALIGNED, |
---|
568 | (int) ggi->useditems[i], |
---|
569 | i * GBM_ALIGNED * (int) ggi->useditems[i], |
---|
570 | index_total, |
---|
571 | total, |
---|
572 | (int) ggi->tablecnt[i]); |
---|
573 | } |
---|
574 | } |
---|
575 | if (ggi->extern_data_size) { |
---|
576 | index_total += ggi->extern_data_size; |
---|
577 | total += ggi->extern_data_size; |
---|
578 | printf("\t'I=%3i' External Data Items=%3li = Sum=%3li 'sum=%7li' 'total=%7li\n", |
---|
579 | index, |
---|
580 | ggi->extern_data_items, |
---|
581 | (long)ggi->extern_data_size, |
---|
582 | index_total, |
---|
583 | total); |
---|
584 | } |
---|
585 | } |
---|
586 | |
---|
587 | { |
---|
588 | char *topofmem = (char *)sbrk(0); |
---|
589 | printf("spbrk %lx old %lx size %ti\n", |
---|
590 | (long)topofmem, |
---|
591 | (long)gbm_global.old_sbrk, |
---|
592 | topofmem-gbm_global.old_sbrk); |
---|
593 | } |
---|
594 | } |
---|
595 | |
---|
596 | // -------------------------------------------------------------------------------- |
---|
597 | |
---|
598 | #if defined(UNIT_TESTS) && 0 |
---|
599 | |
---|
600 | #include <test_unit.h> |
---|
601 | |
---|
602 | void TEST_ARBDB_memory() { // not a real unit test - just was used for debugging |
---|
603 | #define ALLOCS 69 |
---|
604 | long *blocks[ALLOCS]; |
---|
605 | |
---|
606 | #if (MEMORY_TEST == 0) |
---|
607 | printf("Before allocations:\n"); |
---|
608 | gbm_debug_mem(); |
---|
609 | |
---|
610 | #if 1 |
---|
611 | static int16_t non_alloc[75]; // 150 byte |
---|
612 | gbm_put_memblk((char*)non_alloc, sizeof(non_alloc)); |
---|
613 | |
---|
614 | printf("Added one non-allocated block:\n"); |
---|
615 | gbm_debug_mem(); |
---|
616 | #endif |
---|
617 | #endif |
---|
618 | |
---|
619 | for (int pass = 1; pass <= 2; ++pass) { |
---|
620 | long allocs = 0; |
---|
621 | |
---|
622 | for (size_t size = 10; size<5000; size += size/3) { |
---|
623 | for (long index = 0; index<3; ++index) { |
---|
624 | if (pass == 1) { |
---|
625 | long *block = (long*)gbm_get_mem(size, index); |
---|
626 | |
---|
627 | block[0] = size; |
---|
628 | block[1] = index; |
---|
629 | |
---|
630 | blocks[allocs++] = block; |
---|
631 | } |
---|
632 | else { |
---|
633 | long *block = blocks[allocs++]; |
---|
634 | gbm_free_mem(block, (size_t)block[0], block[1]); |
---|
635 | } |
---|
636 | } |
---|
637 | } |
---|
638 | |
---|
639 | #if (MEMORY_TEST == 0) |
---|
640 | if (pass == 1) { |
---|
641 | printf("%li memory blocks allocated:\n", allocs); |
---|
642 | gbm_debug_mem(); |
---|
643 | } |
---|
644 | else { |
---|
645 | printf("Memory freed:\n"); |
---|
646 | gbm_debug_mem(); |
---|
647 | } |
---|
648 | printf("Memory flushed:\n"); |
---|
649 | gbm_flush_mem(); |
---|
650 | gbm_debug_mem(); |
---|
651 | #endif |
---|
652 | |
---|
653 | gb_assert(allocs == ALLOCS); |
---|
654 | } |
---|
655 | |
---|
656 | GBK_dump_backtrace(stderr, "test"); |
---|
657 | } |
---|
658 | |
---|
659 | |
---|
660 | #endif // UNIT_TESTS |
---|