1 | #include <stdlib.h> |
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2 | #include <stdio.h> |
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3 | |
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4 | #include <iostream.h> |
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5 | #include <pthread.h> |
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6 | #include <signal.h> |
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7 | #include <sys/time.h> |
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8 | |
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9 | #include "TCmThread.hxx" |
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10 | |
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11 | #include <vector> |
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12 | |
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13 | #include <time.h> |
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14 | #include <unistd.h> |
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15 | |
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16 | |
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17 | //------------------------------------------------------- |
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18 | // |
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19 | // Threads |
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20 | // |
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21 | //------------------------------------------------------- |
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22 | |
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23 | typedef void* (*pthread_function_t) (void*); |
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24 | |
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25 | static int DebugLevel = 0; |
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26 | |
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27 | //------------------------------------------------------- |
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28 | void TCmThread::set_debug_level (int level) |
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29 | //------------------------------------------------------- |
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30 | { |
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31 | DebugLevel = level; |
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32 | } |
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33 | |
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34 | //------------------------------------------------------- |
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35 | int TCmThread::debug_level () |
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36 | //------------------------------------------------------- |
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37 | { |
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38 | return (DebugLevel); |
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39 | } |
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40 | |
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41 | //------------------------------------------------------- |
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42 | TCmThread::TCmThread () |
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43 | //------------------------------------------------------- |
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44 | { |
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45 | _running = false; |
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46 | } |
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47 | |
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48 | //------------------------------------------------------- |
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49 | TCmThread::~TCmThread () |
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50 | //------------------------------------------------------- |
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51 | { |
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52 | void* value; |
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53 | int status; |
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54 | |
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55 | if (debug_level () > 0) |
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56 | { |
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57 | TCmMutex::iolock (); |
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58 | std::cout << "~TCmThread> " << _thread_id << " running " << _running << std::endl; |
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59 | TCmMutex::iounlock (); |
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60 | } |
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61 | |
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62 | if (_running) |
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63 | { |
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64 | status = pthread_kill ((pthread_t) _thread_id, SIGINT); |
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65 | |
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66 | if (debug_level () > 0) |
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67 | { |
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68 | TCmMutex::iolock (); |
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69 | std::cout << "~TCmThread> " << _thread_id << " status after kill=" << status << std::endl; |
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70 | TCmMutex::iounlock (); |
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71 | } |
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72 | |
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73 | status = pthread_cancel ((pthread_t) _thread_id); |
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74 | |
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75 | if (debug_level () > 0) |
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76 | { |
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77 | TCmMutex::iolock (); |
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78 | std::cout << "~TCmThread> " << _thread_id << " status after cancel=" << status << std::endl; |
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79 | TCmMutex::iounlock (); |
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80 | } |
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81 | |
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82 | status = pthread_join ((pthread_t) _thread_id, &value); |
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83 | |
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84 | if (debug_level () > 0) |
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85 | { |
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86 | TCmMutex::iolock (); |
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87 | std::cout << "~TCmThread> " << _thread_id << " status after join=" << status << std::endl; |
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88 | TCmMutex::iounlock (); |
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89 | } |
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90 | |
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91 | } |
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92 | |
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93 | status = pthread_detach ((pthread_t) _thread_id); |
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94 | |
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95 | if (debug_level () > 0) |
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96 | { |
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97 | TCmMutex::iolock (); |
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98 | std::cout << "~TCmThread> " << _thread_id << " status after detach=" << status << std::endl; |
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99 | TCmMutex::iounlock (); |
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100 | } |
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101 | |
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102 | if (debug_level () > 0) |
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103 | { |
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104 | TCmMutex::iolock (); |
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105 | std::cout << "~TCmThread> " << _thread_id << " finished " << std::endl; |
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106 | TCmMutex::iounlock (); |
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107 | } |
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108 | } |
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109 | |
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110 | //------------------------------------------------------- |
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111 | bool TCmThread::start () |
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112 | //------------------------------------------------------- |
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113 | { |
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114 | /* |
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115 | On lance le thread qui fait fonctionner la fonction Run |
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116 | */ |
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117 | |
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118 | if (debug_level () > 0) |
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119 | { |
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120 | TCmMutex::iolock (); |
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121 | std::cout << "TCmThread::start> " << this << std::endl; |
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122 | TCmMutex::iounlock (); |
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123 | } |
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124 | |
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125 | #ifdef PTHREAD_USE_VALUE_ATTR |
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126 | pthread_attr_t attr; |
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127 | pthread_attr_create (&attr); |
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128 | |
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129 | int status = pthread_create (&((pthread_t) _thread_id), |
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130 | attr, |
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131 | (pthread_function_t) run_it, |
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132 | this); |
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133 | #else |
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134 | int status = pthread_create (&((pthread_t) _thread_id), |
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135 | NULL, |
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136 | (pthread_function_t) run_it, |
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137 | this); |
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138 | #endif |
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139 | |
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140 | if (status != 0) |
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141 | { |
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142 | TCmMutex::iolock (); |
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143 | std::cout << "TCmThread::start> status create = " << status << std::endl; |
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144 | TCmMutex::iounlock (); |
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145 | } |
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146 | |
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147 | if (debug_level () > 0) |
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148 | { |
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149 | TCmMutex::iolock (); |
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150 | std::cout << "TCmThread::start> " << _thread_id << " running " << _running << std::endl; |
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151 | TCmMutex::iounlock (); |
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152 | } |
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153 | |
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154 | if (status == 0) return (true); |
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155 | else return (false); |
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156 | } |
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157 | |
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158 | //------------------------------------------------------- |
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159 | bool TCmThread::stop () |
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160 | //------------------------------------------------------- |
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161 | { |
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162 | void* value; |
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163 | int status; |
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164 | |
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165 | if (debug_level () > 0) |
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166 | { |
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167 | TCmMutex::iolock (); |
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168 | std::cout << "TCmThread::stop> " << _thread_id << " running " << _running << std::endl; |
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169 | TCmMutex::iounlock (); |
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170 | } |
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171 | |
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172 | status = pthread_cancel ((pthread_t) _thread_id); |
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173 | if (status == 0) |
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174 | { |
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175 | status = pthread_join ((pthread_t) _thread_id, &value); |
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176 | |
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177 | if (status != 0) |
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178 | { |
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179 | TCmMutex::iolock (); |
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180 | perror ("join error"); |
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181 | std::cout << "TCmThread::stop join error> " << _thread_id << " status=" << status << std::endl; |
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182 | TCmMutex::iounlock (); |
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183 | } |
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184 | |
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185 | if (debug_level () > 0) |
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186 | { |
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187 | TCmMutex::iolock (); |
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188 | std::cout << "TCmThread::stopped> " << _thread_id << " running " << _running << std::endl; |
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189 | TCmMutex::iounlock (); |
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190 | } |
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191 | |
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192 | status = pthread_detach ((pthread_t) _thread_id); |
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193 | |
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194 | if (status != 0) |
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195 | { |
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196 | TCmMutex::iolock (); |
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197 | perror ("detach error"); |
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198 | std::cout << "TCmThread::stop detach error> " << _thread_id << " status=" << status << std::endl; |
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199 | TCmMutex::iounlock (); |
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200 | } |
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201 | |
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202 | if (debug_level () > 0) |
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203 | { |
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204 | TCmMutex::iolock (); |
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205 | std::cout << "TCmThread::stopped> " << _thread_id << " running " << _running << std::endl; |
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206 | TCmMutex::iounlock (); |
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207 | } |
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208 | |
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209 | return ((status == 0)); |
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210 | } |
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211 | else |
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212 | { |
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213 | //if (debug_level () > 0) |
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214 | { |
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215 | TCmMutex::iolock (); |
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216 | perror ("cancel error"); |
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217 | std::cout << "TCmThread::stop cancel error> " << _thread_id << " status=" << status << std::endl; |
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218 | TCmMutex::iounlock (); |
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219 | } |
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220 | return (false); |
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221 | } |
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222 | } |
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223 | |
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224 | //------------------------------------------------------- |
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225 | void TCmThread::run () |
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226 | //------------------------------------------------------- |
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227 | { |
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228 | if (debug_level () > 0) |
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229 | { |
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230 | TCmMutex::iolock (); |
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231 | std::cout << "TCmThread::run>" << std::endl; |
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232 | TCmMutex::iounlock (); |
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233 | } |
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234 | } |
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235 | |
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236 | //------------------------------------------------------- |
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237 | void TCmThread::cleanup () |
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238 | //------------------------------------------------------- |
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239 | { |
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240 | TCmMutex::iolock (); |
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241 | std::cout << "TCmThread::cleanup>" << std::endl; |
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242 | TCmMutex::iounlock (); |
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243 | } |
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244 | |
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245 | //------------------------------------------------------- |
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246 | void TCmThread::do_cleanup (void* thread) |
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247 | //------------------------------------------------------- |
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248 | { |
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249 | if (thread != 0) |
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250 | { |
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251 | ((TCmThread*) thread)->cleanup (); |
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252 | } |
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253 | } |
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254 | |
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255 | //------------------------------------------------------- |
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256 | void TCmThread::run_it (TCmThread* thread) |
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257 | //------------------------------------------------------- |
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258 | { |
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259 | //int status = 0; |
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260 | //pthread_cleanup_push (do_cleanup, thread); |
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261 | |
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262 | thread->_thread_id = pthread_self (); |
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263 | thread->_running = true; |
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264 | thread->_should_die = false; |
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265 | |
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266 | thread->run (); |
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267 | thread->_running = false; |
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268 | |
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269 | if (debug_level () > 0) |
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270 | { |
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271 | TCmMutex::iolock (); |
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272 | std::cout << "TCmThread::finished> " << thread->_thread_id << std::endl; |
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273 | TCmMutex::iounlock (); |
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274 | } |
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275 | |
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276 | pthread_detach (thread->_thread_id); |
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277 | |
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278 | //if (thread->_should_die) delete (thread); |
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279 | |
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280 | //pthread_exit (&status); |
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281 | //pthread_cleanup_pop (0); |
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282 | |
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283 | do_cleanup (thread); |
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284 | } |
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285 | |
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286 | //------------------------------------------------------- |
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287 | // |
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288 | // Mutex |
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289 | // |
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290 | //------------------------------------------------------- |
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291 | |
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292 | //------------------------------------------------------- |
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293 | TCmMutex::TCmMutex () |
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294 | //------------------------------------------------------- |
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295 | { |
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296 | initialize (); |
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297 | } |
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298 | |
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299 | //------------------------------------------------------- |
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300 | TCmMutex::TCmMutex (const std::string& info) : m_info (info) |
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301 | //------------------------------------------------------- |
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302 | { |
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303 | initialize (); |
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304 | } |
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305 | |
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306 | //------------------------------------------------------- |
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307 | TCmMutex::~TCmMutex () |
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308 | //------------------------------------------------------- |
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309 | { |
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310 | pthread_mutex_t* mutex = (pthread_mutex_t*) _mutex; |
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311 | |
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312 | int status = pthread_mutex_destroy (mutex); |
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313 | if (status != 0) |
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314 | { |
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315 | std::cout << "Error in mutex_destroy " << _mutex << " status=" << status << std::endl; |
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316 | } |
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317 | |
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318 | delete mutex; |
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319 | } |
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320 | |
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321 | //------------------------------------------------------- |
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322 | void TCmMutex::set_info (const std::string& info) |
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323 | //------------------------------------------------------- |
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324 | { |
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325 | m_info = info; |
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326 | } |
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327 | |
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328 | //------------------------------------------------------- |
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329 | std::string TCmMutex::show () const |
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330 | //------------------------------------------------------- |
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331 | { |
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332 | std::string s; |
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333 | char buff[20]; |
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334 | |
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335 | sprintf (buff, "%d", m_count); |
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336 | |
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337 | s = m_info; |
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338 | s += " "; |
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339 | s += buff; |
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340 | |
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341 | return (s); |
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342 | } |
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343 | |
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344 | //------------------------------------------------------- |
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345 | bool TCmMutex::trylock (const std::string& /*info*/) |
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346 | //------------------------------------------------------- |
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347 | { |
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348 | int status; |
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349 | |
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350 | status = pthread_mutex_trylock ((pthread_mutex_t*) _mutex); |
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351 | |
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352 | if (status == 0) |
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353 | { |
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354 | m_count++; |
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355 | return (true); |
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356 | } |
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357 | else return (false); |
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358 | } |
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359 | |
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360 | //------------------------------------------------------- |
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361 | void TCmMutex::lock (const std::string& info) |
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362 | //------------------------------------------------------- |
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363 | { |
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364 | int status; |
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365 | |
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366 | /* |
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367 | int retries = 0; |
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368 | |
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369 | for (retries = 0; retries < 1000000; retries++) |
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370 | { |
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371 | status = pthread_mutex_trylock ((pthread_mutex_t*) _mutex); |
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372 | |
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373 | if (status == 0) |
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374 | { |
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375 | m_count++; |
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376 | break; |
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377 | } |
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378 | else |
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379 | { |
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380 | if ((retries % 100000) == 0) |
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381 | { |
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382 | std::cout << "Error in lock " << _mutex << " " << m_info << " " << info << " " << m_context << " status=" << status << " " << retries << std::endl; |
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383 | } |
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384 | } |
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385 | } |
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386 | |
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387 | if (status != 0) |
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388 | { |
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389 | std::cout << "Final error in lock " << _mutex << " " << m_info << " " << info << " " << m_context << " status=" << status << std::endl; |
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390 | exit (1); |
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391 | } |
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392 | else |
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393 | { |
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394 | m_context = info; |
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395 | } |
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396 | */ |
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397 | |
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398 | status = pthread_mutex_lock ((pthread_mutex_t*) _mutex); |
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399 | |
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400 | if (status == 0) |
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401 | { |
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402 | m_count++; |
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403 | //m_context = info; |
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404 | } |
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405 | else |
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406 | { |
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407 | std::cout << "Final error in lock " << _mutex << " " << m_info << " " << info << " " << m_context << " status=" << status << std::endl; |
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408 | exit (1); |
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409 | } |
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410 | } |
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411 | |
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412 | //------------------------------------------------------- |
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413 | void TCmMutex::unlock () |
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414 | //------------------------------------------------------- |
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415 | { |
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416 | //m_context = ""; |
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417 | m_count--; |
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418 | int status = pthread_mutex_unlock ((pthread_mutex_t*) _mutex); |
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419 | if (status != 0) |
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420 | { |
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421 | std::cout << "Error in unlock " << _mutex << " " << m_info << " status=" << status << std::endl; |
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422 | } |
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423 | } |
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424 | |
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425 | //------------------------------------------------------- |
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426 | void TCmMutex::iolock () |
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427 | //------------------------------------------------------- |
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428 | { |
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429 | static TCmMutex& iolock = get_iolock (); |
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430 | |
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431 | iolock.lock ("IO"); |
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432 | } |
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433 | |
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434 | //------------------------------------------------------- |
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435 | void TCmMutex::iounlock () |
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436 | //------------------------------------------------------- |
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437 | { |
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438 | static TCmMutex& iolock = get_iolock (); |
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439 | |
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440 | iolock.unlock (); |
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441 | } |
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442 | |
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443 | //------------------------------------------------------- |
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444 | TCmMutex& TCmMutex::get_iolock () |
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445 | //------------------------------------------------------- |
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446 | { |
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447 | static TCmMutex iolock ("iolock"); |
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448 | |
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449 | return (iolock); |
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450 | } |
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451 | |
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452 | //------------------------------------------------------- |
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453 | void TCmMutex::initialize () |
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454 | //------------------------------------------------------- |
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455 | { |
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456 | pthread_mutex_t* mutex = new pthread_mutex_t; |
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457 | //pthread_mutexattr_t* attr = new pthread_mutexattr_t; |
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458 | |
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459 | _mutex = (void*) mutex; |
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460 | m_count = 0; |
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461 | |
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462 | int status; |
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463 | |
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464 | /* |
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465 | status = pthread_mutexattr_init (attr); |
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466 | if (status != 0) |
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467 | { |
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468 | std::cout << "Error in mutexattr_init " << attr << " status=" << status << std::endl; |
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469 | } |
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470 | |
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471 | status = pthread_mutexattr_settype (attr, PTHREAD_MUTEX_RECURSIVE_NP); |
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472 | if (status != 0) |
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473 | { |
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474 | std::cout << "Error in mutexattr_settype " << attr << " status=" << status << std::endl; |
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475 | } |
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476 | |
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477 | status = pthread_mutex_init (mutex, attr); |
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478 | */ |
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479 | |
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480 | status = pthread_mutex_init (mutex, 0); |
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481 | if (status != 0) |
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482 | { |
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483 | std::cout << "Error in mutex_init " << _mutex << " " << m_info << " status=" << status << std::endl; |
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484 | } |
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485 | } |
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486 | |
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