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annotate deps/Platinum/ThirdParty/Neptune/Source/System/Symbian/NptSymbianSystem.cpp @ 9:05c88622db6b default tip

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- Adhoc transcoder now doesn't rely on Platinum - Moved the adhoc transcoder to the main source tree; it can be moved back into test once it's more stable
author fraserofthenight
date Tue, 14 Jul 2009 22:04:05 -0700
parents 3425707ddbf6
children
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1 /*****************************************************************
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2 |
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3 | Neptune - System :: Win32 Implementation
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4 |
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5 | (c) 2001-2006 Gilles Boccon-Gibod
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6 | Author: Gilles Boccon-Gibod (bok@bok.net)
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7 |
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8 ****************************************************************/
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9
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10 /*----------------------------------------------------------------------
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11 | includes
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12 +---------------------------------------------------------------------*/
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13 #include "e32cmn.h"
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14 #include "e32math.h"
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15 #include "sys/time.h"
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16
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17 #include "NptConfig.h"
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18 #include "NptTypes.h"
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19 #include "NptSystem.h"
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20 #include "NptResults.h"
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21 #include "NptDebug.h"
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22
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23
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24 /*----------------------------------------------------------------------
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25 | globals
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26 +---------------------------------------------------------------------*/
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27 static TInt64 NPT_System_RandomGeneratorSeed = 0;
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28
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29
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30 /*----------------------------------------------------------------------
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31 | NPT_System::GetProcessId
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32 +---------------------------------------------------------------------*/
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33 NPT_Result
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34 NPT_System::GetProcessId(NPT_UInt32& id)
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35 {
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36 //id = getpid();
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37 id = 0;
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38 return NPT_SUCCESS;
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39 }
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40
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41 /*----------------------------------------------------------------------
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42 | NPT_System::GetCurrentTimeStamp
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43 +---------------------------------------------------------------------*/
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44 NPT_Result
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45 NPT_System::GetCurrentTimeStamp(NPT_TimeStamp& now)
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46 {
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47 struct timeval now_tv;
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48
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49 /* get current time from system */
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50 if (gettimeofday(&now_tv, NULL)) {
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51 now.m_Seconds = 0;
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52 now.m_NanoSeconds = 0;
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53 return NPT_FAILURE;
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54 }
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55
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56 /* convert format */
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57 now.m_Seconds = now_tv.tv_sec;
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58 now.m_NanoSeconds = now_tv.tv_usec * 1000;
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59
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60 return NPT_SUCCESS;
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61 }
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62
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63 /*----------------------------------------------------------------------
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64 | NPT_System::Sleep
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65 +---------------------------------------------------------------------*/
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66 NPT_Result
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67 NPT_System::Sleep(const NPT_TimeInterval& duration)
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68 {
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69 TTimeIntervalMicroSeconds32 milliseconds = 1000*duration.m_Seconds + duration.m_NanoSeconds/1000000;
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70 User::After(milliseconds); /* FIXME: this doesn't behave like a normal sleep() where the processor idles. Need to use CTimer much more complicated logic. */
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71
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72 return NPT_SUCCESS;
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73 }
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74
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75 /*----------------------------------------------------------------------
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76 | NPT_System::SleepUntil
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77 +---------------------------------------------------------------------*/
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78 NPT_Result
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79 NPT_System::SleepUntil(const NPT_TimeStamp& when)
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80 {
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81 NPT_TimeStamp now;
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82 GetCurrentTimeStamp(now);
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83 if (when > now) {
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84 NPT_TimeInterval duration = when-now;
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85 return Sleep(duration);
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86 } else {
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87 return NPT_SUCCESS;
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88 }
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89 }
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90
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91 /*----------------------------------------------------------------------
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92 | NPT_System::SetRandomSeed
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93 +---------------------------------------------------------------------*/
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94 NPT_Result
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95 NPT_System::SetRandomSeed(unsigned int seed)
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96 {
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97 NPT_System_RandomGeneratorSeed = seed;
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98 return NPT_SUCCESS;
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99 }
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100
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101 /*----------------------------------------------------------------------
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102 | NPT_System::NPT_System
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103 +---------------------------------------------------------------------*/
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104 NPT_UInt32
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105 NPT_System::GetRandomInteger()
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106 {
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107 if (!NPT_System_RandomGeneratorSeed) {
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108 TTime time;
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109 time.HomeTime();
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110
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111 NPT_System::SetRandomSeed(time.Int64());
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112 }
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113
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114 return Math::Rand(NPT_System_RandomGeneratorSeed);
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115 }
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116