| 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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