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annotate deps/Platinum/ThirdParty/Neptune/Source/System/PS3/NptPs3System.cpp @ 0:3425707ddbf6

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author fraserofthenight
date Mon, 06 Jul 2009 08:06:28 -0700
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1 /*****************************************************************
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2 |
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3 | Neptune - System :: PS3 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 <stdio.h>
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14 #include <stdlib.h>
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15 #include <errno.h>
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16 #include <time.h>
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17 #include <sys/timer.h>
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18 #include <sys/sys_time.h>
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19 #include <unistd.h>
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20
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21 #include "NptConfig.h"
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22 #include "NptTypes.h"
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23 #include "NptSystem.h"
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24 #include "NptResults.h"
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25 #include "NptDebug.h"
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26
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27 /*----------------------------------------------------------------------
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28 | NPT_System::GetProcessId
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29 +---------------------------------------------------------------------*/
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30 NPT_Result
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31 NPT_System::GetProcessId(NPT_Integer& id)
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32 {
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33 id = 0;
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34 return NPT_SUCCESS;
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35 }
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36
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37 /*----------------------------------------------------------------------
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38 | NPT_System::GetCurrentTimeStamp
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39 +---------------------------------------------------------------------*/
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40 NPT_Result
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41 NPT_System::GetCurrentTimeStamp(NPT_TimeStamp& now)
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42 {
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43 sys_time_sec_t sec;
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44 sys_time_nsec_t nsec;
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45
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46 int result = sys_time_get_current_time(&sec, &nsec);
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47 if (result != CELL_OK){
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48 now.m_Seconds = 0;
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49 now.m_NanoSeconds = 0;
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50 return NPT_FAILURE;
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51 }
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52
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53 /* convert format */
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54 now.m_Seconds = sec;
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55 now.m_NanoSeconds = nsec;
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56
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57 return NPT_SUCCESS;
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58 }
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59
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60 /*----------------------------------------------------------------------
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61 | NPT_System::Sleep
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62 +---------------------------------------------------------------------*/
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63 NPT_Result
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64 NPT_System::Sleep(const NPT_TimeInterval& duration)
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65 {
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66 unsigned long usecs = 1000000*duration.m_Seconds + duration.m_NanoSeconds/1000;
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67 sys_timer_usleep(usecs);
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68
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69 return NPT_SUCCESS;
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70 }
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71
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72 /*----------------------------------------------------------------------
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73 | NPT_System::SleepUntil
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74 +---------------------------------------------------------------------*/
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75 NPT_Result
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76 NPT_System::SleepUntil(const NPT_TimeStamp& when)
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77 {
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78 NPT_TimeStamp now;
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79 GetCurrentTimeStamp(now);
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80 if (when > now) {
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81 NPT_TimeInterval duration = when-now;
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82 return NPT_System::Sleep(duration);
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83 } else {
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84 return NPT_SUCCESS;
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85 }
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86 }
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87
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88 /*----------------------------------------------------------------------
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89 | NPT_System::SetRandomSeed
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90 +---------------------------------------------------------------------*/
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91 NPT_Result
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92 NPT_System::SetRandomSeed(unsigned int seed)
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93 {
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94 srand(seed);
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95 return NPT_SUCCESS;
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96 }
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97
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98 /*----------------------------------------------------------------------
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99 | NPT_System::GetRandomInteger
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100 +---------------------------------------------------------------------*/
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101 NPT_Integer
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102 NPT_System::GetRandomInteger()
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103 {
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104 static bool seeded = false;
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105 if (!seeded) {
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106 NPT_TimeStamp now;
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107 GetCurrentTimeStamp(now);
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108 srand(now.m_NanoSeconds);
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109 seeded = true;
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110 }
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111
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112 return rand();
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113 }