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1 /*
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2 * Copyright 2009 OpenSourceStewardshipFoundation.org
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3 * Licensed under GNU General Public License version 2
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4 *
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5 * Author: seanhalle@yahoo.com
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6 *
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7 */
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8
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9 #ifndef _MeasVMS_H
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10 #define _MeasVMS_H
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11
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12 #include "VMS/Queue_impl/PrivateQueue.h"
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13 #include "VMS/Hash_impl/PrivateHash.h"
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14 #include "VMS/Histogram/Histogram.h"
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15 #include "VMS/VMS.h"
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16
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17 /*This header defines everything specific to the MeasVMS semantic plug-in
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18 */
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19 typedef struct _MeasVMSSemReq MeasVMSSemReq;
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20
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21
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22 /*Semantic layer-specific data sent inside a request from lib called in app
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23 * to request handler called in MasterLoop
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24 */
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25 enum MeasVMSReqType
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26 {
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27 send_type = 1,
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28 send_from_to,
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29 receive_any, //order and grouping matter -- send before receive
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30 receive_type, // and receive_any first of the receives -- Handlers
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31 receive_from_to,// rely upon this ordering of enum
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32 transfer_to,
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33 transfer_out
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34 };
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35
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36 struct _MeasVMSSemReq
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37 { enum MeasVMSReqType reqType;
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38 VirtProcr *sendPr;
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39 VirtProcr *receivePr;
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40 int32 msgType;
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41 void *msg;
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42 MeasVMSSemReq *nextReqInHashEntry;
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43 }
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44 /* MeasVMSSemReq */;
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45
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46 typedef struct
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47 {
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48 PrivQueueStruc **readyVPQs;
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49 int numVirtPr;
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50 int numTimesCalled;
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51 int firstOfTwo;
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52 int nextCoreToGetNewPr;
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53
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54 Histogram **addrOfSuspHist;
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55 Histogram **addrOfMasterHist;
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56 }
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57 MeasVMSSemEnv;
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58
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59
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60 typedef struct
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61 {
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62 Histogram **suspHistAddr;
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63 Histogram **masterHistAddr;
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64 }
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65 PairOfHistAddresses;
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66
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67 //===========================================================================
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68
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69 void
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70 MeasVMS__create_seed_procr_and_do_work( VirtProcrFnPtr fn, void *initData );
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71
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72 //=======================
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73
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74 void
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75 MeasVMS__init();
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76
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77 void
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78 MeasVMS__cleanup_after_shutdown();
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79
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80 //=======================
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81
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82 inline VirtProcr *
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83 MeasVMS__create_procr_with( VirtProcrFnPtr fnPtr, void *initData,
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84 VirtProcr *creatingPr );
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85
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86 void
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87 MeasVMS__dissipate_procr( VirtProcr *procrToDissipate );
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88
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89 //=======================
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90 void *
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91 MeasVMS__malloc_size_to( int numBytes, VirtProcr *ownerPr );
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92
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93 void
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94 MeasVMS__transfer_ownership_of_from_to( void *data, VirtProcr *oldOwnerPr,
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95 VirtProcr *newOwnerPr );
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96
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97 void
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98 MeasVMS__add_ownership_by_to( VirtProcr *newOwnerPr, void *data );
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99
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100 void
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101 MeasVMS__remove_ownership_by_from( VirtProcr *loserPr, void *dataLosing );
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102
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103 void
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104 MeasVMS__transfer_ownership_to_outside( void *dataToTransferOwnershipOf );
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105
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106
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107
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108 //=======================
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109 void
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110 MeasVMS__send_of_type_to( VirtProcr *sendPr, void *msg, const int type,
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111 VirtProcr *receivePr);
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112
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113 void
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114 MeasVMS__send_from_to( void *msg, VirtProcr *sendPr, VirtProcr *receivePr);
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115
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116 void *
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117 MeasVMS__receive_type_to( const int type, VirtProcr *receivePr );
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118
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119 void *
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120 MeasVMS__receive_from_to( VirtProcr *sendPr, VirtProcr *receivePr );
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121
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122
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123 //=======================
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124
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125 void
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126 MeasVMS__free_semantic_request( MeasVMSSemReq *semReq );
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127
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128
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129 //========================= Internal use only =============================
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130 void
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131 MeasVMS__Request_Handler( VirtProcr *requestingPr, void *_semEnv );
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132
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133 VirtProcr *
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134 MeasVMS__schedule_virt_procr( void *_semEnv, int coreNum );
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135
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136
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137 #endif /* _MeasVMS_H */
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138
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