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annotate java/src/java/lang/JThread.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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bc29606a740c Added dwt-addons in original directory structure of eclipse.org
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1 module java.lang.JThread;
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2
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3 import tango.core.Thread;
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4 import java.lang.util;
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5 import java.lang.Runnable;
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6 import tango.util.log.Trace;
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7
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8 class JThread {
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9
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10 private Thread thread;
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11 private Runnable runnable;
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13 private alias ThreadLocal!(JThread) TTLS;
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14 private static TTLS tls;
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16 public static const int MAX_PRIORITY = 10;
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17 public static const int MIN_PRIORITY = 1;
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18 public static const int NORM_PRIORITY = 5;
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19
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20 private static TTLS getTls(){
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21 if( tls is null ){
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22 synchronized( JThread.classinfo ){
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23 if( tls is null ){
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24 tls = new TTLS();
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25 }
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26 }
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27 }
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28 return tls;
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29 }
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30
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31 public this(){
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32 thread = new Thread(&internalRun);
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33 }
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34 public this( void delegate() dg ){
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35 thread = new Thread(&internalRun);
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36 runnable = dgRunnable( dg );
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37 }
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38 public this(Runnable runnable){
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39 thread = new Thread(&internalRun);
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40 this.runnable = runnable;
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41 }
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42 public this(Runnable runnable, String name){
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43 thread = new Thread(&internalRun);
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44 this.runnable = runnable;
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45 thread.name = name;
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46 }
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47 public this(String name){
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48 thread = new Thread(&internalRun);
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49 thread.name = name;
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50 }
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51
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52 public void start(){
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53 thread.start();
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54 }
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55
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56 public static JThread currentThread(){
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57 auto res = getTls().val();
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58 if( res is null ){
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59 // no synchronized needed
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60 res = new JThread();
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61 res.thread = Thread.getThis();
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62 getTls().val( res );
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63 }
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64 assert( res );
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65 return res;
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66 }
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67 public int getPriority() {
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68 return (thread.priority-Thread.PRIORITY_MIN) * (MAX_PRIORITY-MIN_PRIORITY) / (Thread.PRIORITY_MAX-Thread.PRIORITY_MIN) + MIN_PRIORITY;
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69 }
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70 public void setPriority( int newPriority ) {
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71 // assert( MIN_PRIORITY < MAX_PRIORITY );
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72 // assert( Thread.PRIORITY_MIN < Thread.PRIORITY_MAX );
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73 auto scaledPrio = (newPriority-MIN_PRIORITY) * (Thread.PRIORITY_MAX-Thread.PRIORITY_MIN) / (MAX_PRIORITY-MIN_PRIORITY) +Thread.PRIORITY_MIN;
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74 Trace.formatln( "JThread.setPriority: scale ({} {} {}) -> ({} {} {})", MIN_PRIORITY, newPriority, MAX_PRIORITY, Thread.PRIORITY_MIN, scaledPrio, Thread.PRIORITY_MAX);
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75 // thread.priority( scaledPrio );
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76 }
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77
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78 private void internalRun(){
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79 getTls().val( this );
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80 if( runnable !is null ){
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81 runnable.run();
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82 }
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83 else {
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84 run();
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85 }
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86 }
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87
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88 public bool isAlive(){
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89 return thread.isRunning();
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90 }
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91
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92 public bool isDaemon() {
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93 return thread.isDaemon();
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94 }
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95
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96 public void join(){
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97 thread.join();
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98 }
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99
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100 public void setDaemon(bool on) {
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101 thread.isDaemon(on);
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102 }
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103
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104 public void setName(String name){
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105 thread.name = name;
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106 }
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107 public String getName(){
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108 return thread.name;
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109 }
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110
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111 void interrupt() {
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112 implMissing(__FILE__,__LINE__);
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113 }
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114
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115 static bool interrupted() {
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116 implMissing(__FILE__,__LINE__);
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117 return false;
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118 }
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119
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120 public void run(){
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121 // default impl, do nothing
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122 }
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123 public static void sleep( int time ){
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124 Thread.sleep(time/1000.0);
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125 }
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126 public Thread nativeThread(){
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127 assert(thread);
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128 return thread;
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129 }
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130 public override char[] toString(){
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131 return "JThread "~thread.name;
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132 }
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133 public static void yield(){
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134 Thread.yield();
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135 }
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136 }
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137