1 | /* $Id: GuestCtrlPrivate.cpp 63154 2016-08-08 12:01:32Z vboxsync $ */
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2 | /** @file
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3 | * Internal helpers/structures for guest control functionality.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2011-2016 Oracle Corporation
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8 | *
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9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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10 | * available from http://www.virtualbox.org. This file is free software;
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11 | * you can redistribute it and/or modify it under the terms of the GNU
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12 | * General Public License (GPL) as published by the Free Software
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13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | */
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17 |
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18 |
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19 | /*********************************************************************************************************************************
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20 | * Header Files *
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21 | *********************************************************************************************************************************/
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22 | #ifndef VBOX_WITH_GUEST_CONTROL
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23 | # error "VBOX_WITH_GUEST_CONTROL must defined in this file"
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24 | #endif
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25 | #include "GuestCtrlImplPrivate.h"
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26 | #include "GuestSessionImpl.h"
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27 | #include "VMMDev.h"
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28 |
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29 | #include <iprt/asm.h>
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30 | #include <iprt/cpp/utils.h> /* For unconst(). */
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31 | #include <iprt/ctype.h>
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32 | #ifdef DEBUG
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33 | # include <iprt/file.h>
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34 | #endif /* DEBUG */
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35 |
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36 | #ifdef LOG_GROUP
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37 | #undef LOG_GROUP
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38 | #endif
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39 | #define LOG_GROUP LOG_GROUP_GUEST_CONTROL
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40 | #include <VBox/log.h>
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41 |
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42 |
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43 |
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44 | int GuestFsObjData::FromLs(const GuestProcessStreamBlock &strmBlk)
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45 | {
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46 | LogFlowFunc(("\n"));
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47 |
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48 | int rc = VINF_SUCCESS;
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49 |
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50 | try
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51 | {
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52 | #ifdef DEBUG
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53 | strmBlk.DumpToLog();
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54 | #endif
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55 | /* Object name. */
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56 | mName = strmBlk.GetString("name");
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57 | if (mName.isEmpty()) throw VERR_NOT_FOUND;
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58 | /* Type. */
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59 | Utf8Str strType(strmBlk.GetString("ftype"));
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60 | if (strType.equalsIgnoreCase("-"))
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61 | mType = FsObjType_File;
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62 | else if (strType.equalsIgnoreCase("d"))
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63 | mType = FsObjType_Directory;
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64 | /** @todo Add more types! */
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65 | else
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66 | mType = FsObjType_Unknown;
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67 | /* Object size. */
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68 | rc = strmBlk.GetInt64Ex("st_size", &mObjectSize);
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69 | if (RT_FAILURE(rc)) throw rc;
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70 | /** @todo Add complete ls info! */
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71 | }
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72 | catch (int rc2)
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73 | {
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74 | rc = rc2;
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75 | }
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76 |
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77 | LogFlowFuncLeaveRC(rc);
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78 | return rc;
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79 | }
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80 |
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81 | int GuestFsObjData::FromMkTemp(const GuestProcessStreamBlock &strmBlk)
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82 | {
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83 | LogFlowFunc(("\n"));
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84 |
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85 | int rc;
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86 |
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87 | try
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88 | {
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89 | #ifdef DEBUG
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90 | strmBlk.DumpToLog();
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91 | #endif
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92 | /* Object name. */
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93 | mName = strmBlk.GetString("name");
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94 | if (mName.isEmpty()) throw VERR_NOT_FOUND;
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95 | /* Assign the stream block's rc. */
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96 | rc = strmBlk.GetRc();
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97 | }
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98 | catch (int rc2)
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99 | {
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100 | rc = rc2;
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101 | }
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102 |
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103 | LogFlowFuncLeaveRC(rc);
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104 | return rc;
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105 | }
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106 |
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107 | int GuestFsObjData::FromStat(const GuestProcessStreamBlock &strmBlk)
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108 | {
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109 | LogFlowFunc(("\n"));
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110 |
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111 | int rc = VINF_SUCCESS;
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112 |
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113 | try
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114 | {
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115 | #ifdef DEBUG
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116 | strmBlk.DumpToLog();
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117 | #endif
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118 | /* Node ID, optional because we don't include this
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119 | * in older VBoxService (< 4.2) versions. */
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120 | mNodeID = strmBlk.GetInt64("node_id");
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121 | /* Object name. */
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122 | mName = strmBlk.GetString("name");
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123 | if (mName.isEmpty()) throw VERR_NOT_FOUND;
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124 | /* Type. */
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125 | Utf8Str strType(strmBlk.GetString("ftype"));
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126 | if (strType.equalsIgnoreCase("-"))
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127 | mType = FsObjType_File;
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128 | else if (strType.equalsIgnoreCase("d"))
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129 | mType = FsObjType_Directory;
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130 | /** @todo Add more types! */
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131 | else
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132 | mType = FsObjType_Unknown;
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133 | /* Object size. */
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134 | rc = strmBlk.GetInt64Ex("st_size", &mObjectSize);
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135 | if (RT_FAILURE(rc)) throw rc;
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136 | /** @todo Add complete stat info! */
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137 | }
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138 | catch (int rc2)
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139 | {
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140 | rc = rc2;
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141 | }
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142 |
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143 | LogFlowFuncLeaveRC(rc);
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144 | return rc;
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145 | }
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146 |
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147 | ///////////////////////////////////////////////////////////////////////////////
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148 |
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149 | /** @todo *NOT* thread safe yet! */
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150 | /** @todo Add exception handling for STL stuff! */
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151 |
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152 | GuestProcessStreamBlock::GuestProcessStreamBlock(void)
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153 | {
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154 |
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155 | }
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156 |
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157 | /*
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158 | GuestProcessStreamBlock::GuestProcessStreamBlock(const GuestProcessStreamBlock &otherBlock)
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159 | {
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160 | for (GuestCtrlStreamPairsIter it = otherBlock.mPairs.begin();
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161 | it != otherBlock.end(); ++it)
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162 | {
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163 | mPairs[it->first] = new
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164 | if (it->second.pszValue)
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165 | {
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166 | RTMemFree(it->second.pszValue);
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167 | it->second.pszValue = NULL;
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168 | }
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169 | }
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170 | }*/
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171 |
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172 | GuestProcessStreamBlock::~GuestProcessStreamBlock()
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173 | {
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174 | Clear();
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175 | }
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176 |
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177 | /**
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178 | * Destroys the currently stored stream pairs.
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179 | *
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180 | * @return IPRT status code.
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181 | */
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182 | void GuestProcessStreamBlock::Clear(void)
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183 | {
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184 | mPairs.clear();
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185 | }
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186 |
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187 | #ifdef DEBUG
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188 | void GuestProcessStreamBlock::DumpToLog(void) const
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189 | {
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190 | LogFlowFunc(("Dumping contents of stream block=0x%p (%ld items):\n",
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191 | this, mPairs.size()));
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192 |
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193 | for (GuestCtrlStreamPairMapIterConst it = mPairs.begin();
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194 | it != mPairs.end(); ++it)
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195 | {
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196 | LogFlowFunc(("\t%s=%s\n", it->first.c_str(), it->second.mValue.c_str()));
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197 | }
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198 | }
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199 | #endif
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200 |
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201 | /**
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202 | * Returns a 64-bit signed integer of a specified key.
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203 | *
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204 | * @return IPRT status code. VERR_NOT_FOUND if key was not found.
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205 | * @param pszKey Name of key to get the value for.
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206 | * @param piVal Pointer to value to return.
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207 | */
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208 | int GuestProcessStreamBlock::GetInt64Ex(const char *pszKey, int64_t *piVal) const
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209 | {
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210 | AssertPtrReturn(pszKey, VERR_INVALID_POINTER);
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211 | AssertPtrReturn(piVal, VERR_INVALID_POINTER);
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212 | const char *pszValue = GetString(pszKey);
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213 | if (pszValue)
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214 | {
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215 | *piVal = RTStrToInt64(pszValue);
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216 | return VINF_SUCCESS;
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217 | }
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218 | return VERR_NOT_FOUND;
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219 | }
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220 |
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221 | /**
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222 | * Returns a 64-bit integer of a specified key.
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223 | *
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224 | * @return int64_t Value to return, 0 if not found / on failure.
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225 | * @param pszKey Name of key to get the value for.
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226 | */
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227 | int64_t GuestProcessStreamBlock::GetInt64(const char *pszKey) const
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228 | {
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229 | int64_t iVal;
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230 | if (RT_SUCCESS(GetInt64Ex(pszKey, &iVal)))
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231 | return iVal;
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232 | return 0;
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233 | }
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234 |
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235 | /**
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236 | * Returns the current number of stream pairs.
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237 | *
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238 | * @return uint32_t Current number of stream pairs.
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239 | */
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240 | size_t GuestProcessStreamBlock::GetCount(void) const
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241 | {
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242 | return mPairs.size();
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243 | }
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244 |
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245 | /**
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246 | * Gets the return code (name = "rc") of this stream block.
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247 | *
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248 | * @return IPRT status code.
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249 | */
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250 | int GuestProcessStreamBlock::GetRc(void) const
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251 | {
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252 | const char *pszValue = GetString("rc");
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253 | if (pszValue)
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254 | {
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255 | return RTStrToInt16(pszValue);
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256 | }
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257 | return VERR_NOT_FOUND;
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258 | }
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259 |
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260 | /**
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261 | * Returns a string value of a specified key.
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262 | *
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263 | * @return uint32_t Pointer to string to return, NULL if not found / on failure.
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264 | * @param pszKey Name of key to get the value for.
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265 | */
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266 | const char* GuestProcessStreamBlock::GetString(const char *pszKey) const
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267 | {
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268 | AssertPtrReturn(pszKey, NULL);
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269 |
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270 | try
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271 | {
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272 | GuestCtrlStreamPairMapIterConst itPairs = mPairs.find(Utf8Str(pszKey));
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273 | if (itPairs != mPairs.end())
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274 | return itPairs->second.mValue.c_str();
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275 | }
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276 | catch (const std::exception &ex)
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277 | {
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278 | NOREF(ex);
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279 | }
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280 | return NULL;
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281 | }
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282 |
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283 | /**
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284 | * Returns a 32-bit unsigned integer of a specified key.
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285 | *
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286 | * @return IPRT status code. VERR_NOT_FOUND if key was not found.
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287 | * @param pszKey Name of key to get the value for.
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288 | * @param puVal Pointer to value to return.
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289 | */
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290 | int GuestProcessStreamBlock::GetUInt32Ex(const char *pszKey, uint32_t *puVal) const
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291 | {
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292 | AssertPtrReturn(pszKey, VERR_INVALID_POINTER);
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293 | AssertPtrReturn(puVal, VERR_INVALID_POINTER);
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294 | const char *pszValue = GetString(pszKey);
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295 | if (pszValue)
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296 | {
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297 | *puVal = RTStrToUInt32(pszValue);
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298 | return VINF_SUCCESS;
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299 | }
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300 | return VERR_NOT_FOUND;
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301 | }
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302 |
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303 | /**
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304 | * Returns a 32-bit unsigned integer of a specified key.
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305 | *
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306 | * @return uint32_t Value to return, 0 if not found / on failure.
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307 | * @param pszKey Name of key to get the value for.
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308 | */
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309 | uint32_t GuestProcessStreamBlock::GetUInt32(const char *pszKey) const
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310 | {
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311 | uint32_t uVal;
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312 | if (RT_SUCCESS(GetUInt32Ex(pszKey, &uVal)))
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313 | return uVal;
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314 | return 0;
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315 | }
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316 |
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317 | /**
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318 | * Sets a value to a key or deletes a key by setting a NULL value.
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319 | *
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320 | * @return IPRT status code.
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321 | * @param pszKey Key name to process.
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322 | * @param pszValue Value to set. Set NULL for deleting the key.
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323 | */
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324 | int GuestProcessStreamBlock::SetValue(const char *pszKey, const char *pszValue)
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325 | {
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326 | AssertPtrReturn(pszKey, VERR_INVALID_POINTER);
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327 |
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328 | int rc = VINF_SUCCESS;
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329 | try
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330 | {
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331 | Utf8Str Utf8Key(pszKey);
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332 |
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333 | /* Take a shortcut and prevent crashes on some funny versions
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334 | * of STL if map is empty initially. */
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335 | if (!mPairs.empty())
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336 | {
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337 | GuestCtrlStreamPairMapIter it = mPairs.find(Utf8Key);
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338 | if (it != mPairs.end())
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339 | mPairs.erase(it);
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340 | }
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341 |
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342 | if (pszValue)
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343 | {
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344 | GuestProcessStreamValue val(pszValue);
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345 | mPairs[Utf8Key] = val;
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346 | }
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347 | }
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348 | catch (const std::exception &ex)
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349 | {
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350 | NOREF(ex);
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351 | }
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352 | return rc;
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353 | }
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354 |
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355 | ///////////////////////////////////////////////////////////////////////////////
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356 |
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357 | GuestProcessStream::GuestProcessStream(void)
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358 | : m_cbAllocated(0),
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359 | m_cbUsed(0),
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360 | m_offBuffer(0),
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361 | m_pbBuffer(NULL)
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362 | {
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363 |
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364 | }
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365 |
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366 | GuestProcessStream::~GuestProcessStream(void)
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367 | {
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368 | Destroy();
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369 | }
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370 |
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371 | /**
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372 | * Adds data to the internal parser buffer. Useful if there
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373 | * are multiple rounds of adding data needed.
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374 | *
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375 | * @return IPRT status code.
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376 | * @param pbData Pointer to data to add.
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377 | * @param cbData Size (in bytes) of data to add.
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378 | */
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379 | int GuestProcessStream::AddData(const BYTE *pbData, size_t cbData)
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380 | {
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381 | AssertPtrReturn(pbData, VERR_INVALID_POINTER);
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382 | AssertReturn(cbData, VERR_INVALID_PARAMETER);
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383 |
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384 | int rc = VINF_SUCCESS;
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385 |
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386 | /* Rewind the buffer if it's empty. */
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387 | size_t cbInBuf = m_cbUsed - m_offBuffer;
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388 | bool const fAddToSet = cbInBuf == 0;
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389 | if (fAddToSet)
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390 | m_cbUsed = m_offBuffer = 0;
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391 |
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392 | /* Try and see if we can simply append the data. */
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393 | if (cbData + m_cbUsed <= m_cbAllocated)
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394 | {
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395 | memcpy(&m_pbBuffer[m_cbUsed], pbData, cbData);
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396 | m_cbUsed += cbData;
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397 | }
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398 | else
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399 | {
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400 | /* Move any buffered data to the front. */
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401 | cbInBuf = m_cbUsed - m_offBuffer;
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402 | if (cbInBuf == 0)
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403 | m_cbUsed = m_offBuffer = 0;
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404 | else if (m_offBuffer) /* Do we have something to move? */
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405 | {
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406 | memmove(m_pbBuffer, &m_pbBuffer[m_offBuffer], cbInBuf);
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407 | m_cbUsed = cbInBuf;
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408 | m_offBuffer = 0;
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409 | }
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410 |
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411 | /* Do we need to grow the buffer? */
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412 | if (cbData + m_cbUsed > m_cbAllocated)
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413 | {
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414 | /** @todo Put an upper limit on the allocation? */
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415 | size_t cbAlloc = m_cbUsed + cbData;
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416 | cbAlloc = RT_ALIGN_Z(cbAlloc, _64K);
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417 | void *pvNew = RTMemRealloc(m_pbBuffer, cbAlloc);
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418 | if (pvNew)
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419 | {
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420 | m_pbBuffer = (uint8_t *)pvNew;
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421 | m_cbAllocated = cbAlloc;
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422 | }
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423 | else
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424 | rc = VERR_NO_MEMORY;
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425 | }
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426 |
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427 | /* Finally, copy the data. */
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428 | if (RT_SUCCESS(rc))
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429 | {
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430 | if (cbData + m_cbUsed <= m_cbAllocated)
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431 | {
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432 | memcpy(&m_pbBuffer[m_cbUsed], pbData, cbData);
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433 | m_cbUsed += cbData;
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434 | }
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435 | else
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436 | rc = VERR_BUFFER_OVERFLOW;
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437 | }
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438 | }
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439 |
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440 | return rc;
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441 | }
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442 |
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443 | /**
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444 | * Destroys the internal data buffer.
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445 | */
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446 | void GuestProcessStream::Destroy(void)
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447 | {
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448 | if (m_pbBuffer)
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449 | {
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450 | RTMemFree(m_pbBuffer);
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451 | m_pbBuffer = NULL;
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452 | }
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453 |
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454 | m_cbAllocated = 0;
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455 | m_cbUsed = 0;
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456 | m_offBuffer = 0;
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457 | }
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458 |
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459 | #ifdef DEBUG
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460 | void GuestProcessStream::Dump(const char *pszFile)
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461 | {
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462 | LogFlowFunc(("Dumping contents of stream=0x%p (cbAlloc=%u, cbSize=%u, cbOff=%u) to %s\n",
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463 | m_pbBuffer, m_cbAllocated, m_cbUsed, m_offBuffer, pszFile));
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464 |
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465 | RTFILE hFile;
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466 | int rc = RTFileOpen(&hFile, pszFile, RTFILE_O_CREATE_REPLACE | RTFILE_O_WRITE | RTFILE_O_DENY_WRITE);
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467 | if (RT_SUCCESS(rc))
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468 | {
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469 | rc = RTFileWrite(hFile, m_pbBuffer, m_cbUsed, NULL /* pcbWritten */);
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470 | RTFileClose(hFile);
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471 | }
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472 | }
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473 | #endif
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474 |
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475 | /**
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476 | * Tries to parse the next upcoming pair block within the internal
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477 | * buffer.
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478 | *
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479 | * Returns VERR_NO_DATA is no data is in internal buffer or buffer has been
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480 | * completely parsed already.
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481 | *
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482 | * Returns VERR_MORE_DATA if current block was parsed (with zero or more pairs
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483 | * stored in stream block) but still contains incomplete (unterminated)
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484 | * data.
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485 | *
|
---|
486 | * Returns VINF_SUCCESS if current block was parsed until the next upcoming
|
---|
487 | * block (with zero or more pairs stored in stream block).
|
---|
488 | *
|
---|
489 | * @return IPRT status code.
|
---|
490 | * @param streamBlock Reference to guest stream block to fill.
|
---|
491 | *
|
---|
492 | */
|
---|
493 | int GuestProcessStream::ParseBlock(GuestProcessStreamBlock &streamBlock)
|
---|
494 | {
|
---|
495 | if ( !m_pbBuffer
|
---|
496 | || !m_cbUsed)
|
---|
497 | {
|
---|
498 | return VERR_NO_DATA;
|
---|
499 | }
|
---|
500 |
|
---|
501 | AssertReturn(m_offBuffer <= m_cbUsed, VERR_INVALID_PARAMETER);
|
---|
502 | if (m_offBuffer == m_cbUsed)
|
---|
503 | return VERR_NO_DATA;
|
---|
504 |
|
---|
505 | int rc = VINF_SUCCESS;
|
---|
506 |
|
---|
507 | char *pszOff = (char*)&m_pbBuffer[m_offBuffer];
|
---|
508 | char *pszStart = pszOff;
|
---|
509 | uint32_t uDistance;
|
---|
510 | while (*pszStart)
|
---|
511 | {
|
---|
512 | size_t pairLen = strlen(pszStart);
|
---|
513 | uDistance = (pszStart - pszOff);
|
---|
514 | if (m_offBuffer + uDistance + pairLen + 1 >= m_cbUsed)
|
---|
515 | {
|
---|
516 | rc = VERR_MORE_DATA;
|
---|
517 | break;
|
---|
518 | }
|
---|
519 | else
|
---|
520 | {
|
---|
521 | char *pszSep = strchr(pszStart, '=');
|
---|
522 | char *pszVal = NULL;
|
---|
523 | if (pszSep)
|
---|
524 | pszVal = pszSep + 1;
|
---|
525 | if (!pszSep || !pszVal)
|
---|
526 | {
|
---|
527 | rc = VERR_MORE_DATA;
|
---|
528 | break;
|
---|
529 | }
|
---|
530 |
|
---|
531 | /* Terminate the separator so that we can
|
---|
532 | * use pszStart as our key from now on. */
|
---|
533 | *pszSep = '\0';
|
---|
534 |
|
---|
535 | rc = streamBlock.SetValue(pszStart, pszVal);
|
---|
536 | if (RT_FAILURE(rc))
|
---|
537 | return rc;
|
---|
538 | }
|
---|
539 |
|
---|
540 | /* Next pair. */
|
---|
541 | pszStart += pairLen + 1;
|
---|
542 | }
|
---|
543 |
|
---|
544 | /* If we did not do any movement but we have stuff left
|
---|
545 | * in our buffer just skip the current termination so that
|
---|
546 | * we can try next time. */
|
---|
547 | uDistance = (pszStart - pszOff);
|
---|
548 | if ( !uDistance
|
---|
549 | && *pszStart == '\0'
|
---|
550 | && m_offBuffer < m_cbUsed)
|
---|
551 | {
|
---|
552 | uDistance++;
|
---|
553 | }
|
---|
554 | m_offBuffer += uDistance;
|
---|
555 |
|
---|
556 | return rc;
|
---|
557 | }
|
---|
558 |
|
---|
559 | GuestBase::GuestBase(void)
|
---|
560 | : mConsole(NULL),
|
---|
561 | mNextContextID(0)
|
---|
562 | {
|
---|
563 | }
|
---|
564 |
|
---|
565 | GuestBase::~GuestBase(void)
|
---|
566 | {
|
---|
567 | }
|
---|
568 |
|
---|
569 | int GuestBase::baseInit(void)
|
---|
570 | {
|
---|
571 | int rc = RTCritSectInit(&mWaitEventCritSect);
|
---|
572 |
|
---|
573 | LogFlowFuncLeaveRC(rc);
|
---|
574 | return rc;
|
---|
575 | }
|
---|
576 |
|
---|
577 | void GuestBase::baseUninit(void)
|
---|
578 | {
|
---|
579 | LogFlowThisFuncEnter();
|
---|
580 |
|
---|
581 | int rc = RTCritSectDelete(&mWaitEventCritSect);
|
---|
582 |
|
---|
583 | LogFlowFuncLeaveRC(rc);
|
---|
584 | /* No return value. */
|
---|
585 | }
|
---|
586 |
|
---|
587 | int GuestBase::cancelWaitEvents(void)
|
---|
588 | {
|
---|
589 | LogFlowThisFuncEnter();
|
---|
590 |
|
---|
591 | int rc = RTCritSectEnter(&mWaitEventCritSect);
|
---|
592 | if (RT_SUCCESS(rc))
|
---|
593 | {
|
---|
594 | GuestEventGroup::iterator itEventGroups = mWaitEventGroups.begin();
|
---|
595 | while (itEventGroups != mWaitEventGroups.end())
|
---|
596 | {
|
---|
597 | GuestWaitEvents::iterator itEvents = itEventGroups->second.begin();
|
---|
598 | while (itEvents != itEventGroups->second.end())
|
---|
599 | {
|
---|
600 | GuestWaitEvent *pEvent = itEvents->second;
|
---|
601 | AssertPtr(pEvent);
|
---|
602 |
|
---|
603 | /*
|
---|
604 | * Just cancel the event, but don't remove it from the
|
---|
605 | * wait events map. Don't delete it though, this (hopefully)
|
---|
606 | * is done by the caller using unregisterWaitEvent().
|
---|
607 | */
|
---|
608 | int rc2 = pEvent->Cancel();
|
---|
609 | AssertRC(rc2);
|
---|
610 |
|
---|
611 | ++itEvents;
|
---|
612 | }
|
---|
613 |
|
---|
614 | ++itEventGroups;
|
---|
615 | }
|
---|
616 |
|
---|
617 | int rc2 = RTCritSectLeave(&mWaitEventCritSect);
|
---|
618 | if (RT_SUCCESS(rc))
|
---|
619 | rc = rc2;
|
---|
620 | }
|
---|
621 |
|
---|
622 | LogFlowFuncLeaveRC(rc);
|
---|
623 | return rc;
|
---|
624 | }
|
---|
625 |
|
---|
626 | int GuestBase::dispatchGeneric(PVBOXGUESTCTRLHOSTCBCTX pCtxCb, PVBOXGUESTCTRLHOSTCALLBACK pSvcCb)
|
---|
627 | {
|
---|
628 | LogFlowFunc(("pCtxCb=%p, pSvcCb=%p\n", pCtxCb, pSvcCb));
|
---|
629 |
|
---|
630 | AssertPtrReturn(pCtxCb, VERR_INVALID_POINTER);
|
---|
631 | AssertPtrReturn(pSvcCb, VERR_INVALID_POINTER);
|
---|
632 |
|
---|
633 | int vrc = VINF_SUCCESS;
|
---|
634 |
|
---|
635 | try
|
---|
636 | {
|
---|
637 | LogFlowFunc(("uFunc=%RU32, cParms=%RU32\n",
|
---|
638 | pCtxCb->uFunction, pSvcCb->mParms));
|
---|
639 |
|
---|
640 | switch (pCtxCb->uFunction)
|
---|
641 | {
|
---|
642 | case GUEST_MSG_PROGRESS_UPDATE:
|
---|
643 | break;
|
---|
644 |
|
---|
645 | case GUEST_MSG_REPLY:
|
---|
646 | {
|
---|
647 | if (pSvcCb->mParms >= 3)
|
---|
648 | {
|
---|
649 | int idx = 1; /* Current parameter index. */
|
---|
650 | CALLBACKDATA_MSG_REPLY dataCb;
|
---|
651 | /* pSvcCb->mpaParms[0] always contains the context ID. */
|
---|
652 | vrc = pSvcCb->mpaParms[idx++].getUInt32(&dataCb.uType);
|
---|
653 | AssertRCReturn(vrc, vrc);
|
---|
654 | vrc = pSvcCb->mpaParms[idx++].getUInt32(&dataCb.rc);
|
---|
655 | AssertRCReturn(vrc, vrc);
|
---|
656 | vrc = pSvcCb->mpaParms[idx++].getPointer(&dataCb.pvPayload, &dataCb.cbPayload);
|
---|
657 | AssertRCReturn(vrc, vrc);
|
---|
658 |
|
---|
659 | GuestWaitEventPayload evPayload(dataCb.uType, dataCb.pvPayload, dataCb.cbPayload);
|
---|
660 | int rc2 = signalWaitEventInternal(pCtxCb, dataCb.rc, &evPayload);
|
---|
661 | AssertRC(rc2);
|
---|
662 | }
|
---|
663 | else
|
---|
664 | vrc = VERR_INVALID_PARAMETER;
|
---|
665 | break;
|
---|
666 | }
|
---|
667 |
|
---|
668 | default:
|
---|
669 | vrc = VERR_NOT_SUPPORTED;
|
---|
670 | break;
|
---|
671 | }
|
---|
672 | }
|
---|
673 | catch (std::bad_alloc)
|
---|
674 | {
|
---|
675 | vrc = VERR_NO_MEMORY;
|
---|
676 | }
|
---|
677 | catch (int rc)
|
---|
678 | {
|
---|
679 | vrc = rc;
|
---|
680 | }
|
---|
681 |
|
---|
682 | LogFlowFuncLeaveRC(vrc);
|
---|
683 | return vrc;
|
---|
684 | }
|
---|
685 |
|
---|
686 | int GuestBase::generateContextID(uint32_t uSessionID, uint32_t uObjectID, uint32_t *puContextID)
|
---|
687 | {
|
---|
688 | AssertPtrReturn(puContextID, VERR_INVALID_POINTER);
|
---|
689 |
|
---|
690 | if ( uSessionID >= VBOX_GUESTCTRL_MAX_SESSIONS
|
---|
691 | || uObjectID >= VBOX_GUESTCTRL_MAX_OBJECTS)
|
---|
692 | return VERR_INVALID_PARAMETER;
|
---|
693 |
|
---|
694 | uint32_t uCount = ASMAtomicIncU32(&mNextContextID);
|
---|
695 | if (uCount == VBOX_GUESTCTRL_MAX_CONTEXTS)
|
---|
696 | uCount = 0;
|
---|
697 |
|
---|
698 | uint32_t uNewContextID =
|
---|
699 | VBOX_GUESTCTRL_CONTEXTID_MAKE(uSessionID, uObjectID, uCount);
|
---|
700 |
|
---|
701 | *puContextID = uNewContextID;
|
---|
702 |
|
---|
703 | #if 0
|
---|
704 | LogFlowThisFunc(("mNextContextID=%RU32, uSessionID=%RU32, uObjectID=%RU32, uCount=%RU32, uNewContextID=%RU32\n",
|
---|
705 | mNextContextID, uSessionID, uObjectID, uCount, uNewContextID));
|
---|
706 | #endif
|
---|
707 | return VINF_SUCCESS;
|
---|
708 | }
|
---|
709 |
|
---|
710 | int GuestBase::registerWaitEvent(uint32_t uSessionID, uint32_t uObjectID,
|
---|
711 | GuestWaitEvent **ppEvent)
|
---|
712 | {
|
---|
713 | GuestEventTypes eventTypesEmpty;
|
---|
714 | return registerWaitEvent(uSessionID, uObjectID, eventTypesEmpty, ppEvent);
|
---|
715 | }
|
---|
716 |
|
---|
717 | int GuestBase::registerWaitEvent(uint32_t uSessionID, uint32_t uObjectID,
|
---|
718 | const GuestEventTypes &lstEvents,
|
---|
719 | GuestWaitEvent **ppEvent)
|
---|
720 | {
|
---|
721 | AssertPtrReturn(ppEvent, VERR_INVALID_POINTER);
|
---|
722 |
|
---|
723 | uint32_t uContextID;
|
---|
724 | int rc = generateContextID(uSessionID, uObjectID, &uContextID);
|
---|
725 | if (RT_FAILURE(rc))
|
---|
726 | return rc;
|
---|
727 |
|
---|
728 | rc = RTCritSectEnter(&mWaitEventCritSect);
|
---|
729 | if (RT_SUCCESS(rc))
|
---|
730 | {
|
---|
731 | try
|
---|
732 | {
|
---|
733 | GuestWaitEvent *pEvent = new GuestWaitEvent(uContextID, lstEvents);
|
---|
734 | AssertPtr(pEvent);
|
---|
735 |
|
---|
736 | LogFlowThisFunc(("New event=%p, CID=%RU32\n", pEvent, uContextID));
|
---|
737 |
|
---|
738 | /* Insert event into matching event group. This is for faster per-group
|
---|
739 | * lookup of all events later. */
|
---|
740 | for (GuestEventTypes::const_iterator itEvents = lstEvents.begin();
|
---|
741 | itEvents != lstEvents.end(); ++itEvents)
|
---|
742 | {
|
---|
743 | mWaitEventGroups[(*itEvents)].insert(
|
---|
744 | std::pair<uint32_t, GuestWaitEvent*>(uContextID, pEvent));
|
---|
745 | /** @todo Check for key collision. */
|
---|
746 | }
|
---|
747 |
|
---|
748 | /* Register event in regular event list. */
|
---|
749 | /** @todo Check for key collisions. */
|
---|
750 | mWaitEvents[uContextID] = pEvent;
|
---|
751 |
|
---|
752 | *ppEvent = pEvent;
|
---|
753 | }
|
---|
754 | catch(std::bad_alloc &)
|
---|
755 | {
|
---|
756 | rc = VERR_NO_MEMORY;
|
---|
757 | }
|
---|
758 |
|
---|
759 | int rc2 = RTCritSectLeave(&mWaitEventCritSect);
|
---|
760 | if (RT_SUCCESS(rc))
|
---|
761 | rc = rc2;
|
---|
762 | }
|
---|
763 |
|
---|
764 | return rc;
|
---|
765 | }
|
---|
766 |
|
---|
767 | int GuestBase::signalWaitEvent(VBoxEventType_T aType, IEvent *aEvent)
|
---|
768 | {
|
---|
769 | int rc = RTCritSectEnter(&mWaitEventCritSect);
|
---|
770 | #ifdef DEBUG
|
---|
771 | uint32_t cEvents = 0;
|
---|
772 | #endif
|
---|
773 | if (RT_SUCCESS(rc))
|
---|
774 | {
|
---|
775 | GuestEventGroup::iterator itGroup = mWaitEventGroups.find(aType);
|
---|
776 | if (itGroup != mWaitEventGroups.end())
|
---|
777 | {
|
---|
778 | GuestWaitEvents::iterator itEvents = itGroup->second.begin();
|
---|
779 | while (itEvents != itGroup->second.end())
|
---|
780 | {
|
---|
781 | #ifdef DEBUG
|
---|
782 | LogFlowThisFunc(("Signalling event=%p, type=%ld (CID %RU32: Session=%RU32, Object=%RU32, Count=%RU32) ...\n",
|
---|
783 | itEvents->second, aType, itEvents->first,
|
---|
784 | VBOX_GUESTCTRL_CONTEXTID_GET_SESSION(itEvents->first),
|
---|
785 | VBOX_GUESTCTRL_CONTEXTID_GET_OBJECT(itEvents->first),
|
---|
786 | VBOX_GUESTCTRL_CONTEXTID_GET_COUNT(itEvents->first)));
|
---|
787 | #endif
|
---|
788 | ComPtr<IEvent> pThisEvent = aEvent;
|
---|
789 | Assert(!pThisEvent.isNull());
|
---|
790 | int rc2 = itEvents->second->SignalExternal(aEvent);
|
---|
791 | if (RT_SUCCESS(rc))
|
---|
792 | rc = rc2;
|
---|
793 |
|
---|
794 | if (RT_SUCCESS(rc2))
|
---|
795 | {
|
---|
796 | /* Remove the event from all other event groups (except the
|
---|
797 | * original one!) because it was signalled. */
|
---|
798 | AssertPtr(itEvents->second);
|
---|
799 | const GuestEventTypes evTypes = itEvents->second->Types();
|
---|
800 | for (GuestEventTypes::const_iterator itType = evTypes.begin();
|
---|
801 | itType != evTypes.end(); ++itType)
|
---|
802 | {
|
---|
803 | if ((*itType) != aType) /* Only remove all other groups. */
|
---|
804 | {
|
---|
805 | /* Get current event group. */
|
---|
806 | GuestEventGroup::iterator evGroup = mWaitEventGroups.find((*itType));
|
---|
807 | Assert(evGroup != mWaitEventGroups.end());
|
---|
808 |
|
---|
809 | /* Lookup event in event group. */
|
---|
810 | GuestWaitEvents::iterator evEvent = evGroup->second.find(itEvents->first /* Context ID */);
|
---|
811 | Assert(evEvent != evGroup->second.end());
|
---|
812 |
|
---|
813 | LogFlowThisFunc(("Removing event=%p (type %ld)\n", evEvent->second, (*itType)));
|
---|
814 | evGroup->second.erase(evEvent);
|
---|
815 |
|
---|
816 | LogFlowThisFunc(("%zu events for type=%ld left\n",
|
---|
817 | evGroup->second.size(), aType));
|
---|
818 | }
|
---|
819 | }
|
---|
820 |
|
---|
821 | /* Remove the event from the passed-in event group. */
|
---|
822 | itGroup->second.erase(itEvents++);
|
---|
823 | }
|
---|
824 | else
|
---|
825 | ++itEvents;
|
---|
826 | #ifdef DEBUG
|
---|
827 | cEvents++;
|
---|
828 | #endif
|
---|
829 | }
|
---|
830 | }
|
---|
831 |
|
---|
832 | int rc2 = RTCritSectLeave(&mWaitEventCritSect);
|
---|
833 | if (RT_SUCCESS(rc))
|
---|
834 | rc = rc2;
|
---|
835 | }
|
---|
836 |
|
---|
837 | #ifdef DEBUG
|
---|
838 | LogFlowThisFunc(("Signalled %RU32 events, rc=%Rrc\n", cEvents, rc));
|
---|
839 | #endif
|
---|
840 | return rc;
|
---|
841 | }
|
---|
842 |
|
---|
843 | int GuestBase::signalWaitEventInternal(PVBOXGUESTCTRLHOSTCBCTX pCbCtx,
|
---|
844 | int guestRc, const GuestWaitEventPayload *pPayload)
|
---|
845 | {
|
---|
846 | if (RT_SUCCESS(guestRc))
|
---|
847 | return signalWaitEventInternalEx(pCbCtx, VINF_SUCCESS,
|
---|
848 | 0 /* Guest rc */, pPayload);
|
---|
849 |
|
---|
850 | return signalWaitEventInternalEx(pCbCtx, VERR_GSTCTL_GUEST_ERROR,
|
---|
851 | guestRc, pPayload);
|
---|
852 | }
|
---|
853 |
|
---|
854 | int GuestBase::signalWaitEventInternalEx(PVBOXGUESTCTRLHOSTCBCTX pCbCtx,
|
---|
855 | int rc, int guestRc,
|
---|
856 | const GuestWaitEventPayload *pPayload)
|
---|
857 | {
|
---|
858 | AssertPtrReturn(pCbCtx, VERR_INVALID_POINTER);
|
---|
859 | /* pPayload is optional. */
|
---|
860 |
|
---|
861 | int rc2;
|
---|
862 | GuestWaitEvents::iterator itEvent = mWaitEvents.find(pCbCtx->uContextID);
|
---|
863 | if (itEvent != mWaitEvents.end())
|
---|
864 | {
|
---|
865 | LogFlowThisFunc(("Signalling event=%p (CID %RU32, rc=%Rrc, guestRc=%Rrc, pPayload=%p) ...\n",
|
---|
866 | itEvent->second, itEvent->first, rc, guestRc, pPayload));
|
---|
867 | GuestWaitEvent *pEvent = itEvent->second;
|
---|
868 | AssertPtr(pEvent);
|
---|
869 | rc2 = pEvent->SignalInternal(rc, guestRc, pPayload);
|
---|
870 | }
|
---|
871 | else
|
---|
872 | rc2 = VERR_NOT_FOUND;
|
---|
873 |
|
---|
874 | return rc2;
|
---|
875 | }
|
---|
876 |
|
---|
877 | void GuestBase::unregisterWaitEvent(GuestWaitEvent *pEvent)
|
---|
878 | {
|
---|
879 | if (!pEvent) /* Nothing to unregister. */
|
---|
880 | return;
|
---|
881 |
|
---|
882 | int rc = RTCritSectEnter(&mWaitEventCritSect);
|
---|
883 | if (RT_SUCCESS(rc))
|
---|
884 | {
|
---|
885 | LogFlowThisFunc(("pEvent=%p\n", pEvent));
|
---|
886 |
|
---|
887 | const GuestEventTypes lstTypes = pEvent->Types();
|
---|
888 | for (GuestEventTypes::const_iterator itEvents = lstTypes.begin();
|
---|
889 | itEvents != lstTypes.end(); ++itEvents)
|
---|
890 | {
|
---|
891 | /** @todo Slow O(n) lookup. Optimize this. */
|
---|
892 | GuestWaitEvents::iterator itCurEvent = mWaitEventGroups[(*itEvents)].begin();
|
---|
893 | while (itCurEvent != mWaitEventGroups[(*itEvents)].end())
|
---|
894 | {
|
---|
895 | if (itCurEvent->second == pEvent)
|
---|
896 | {
|
---|
897 | mWaitEventGroups[(*itEvents)].erase(itCurEvent++);
|
---|
898 | break;
|
---|
899 | }
|
---|
900 | else
|
---|
901 | ++itCurEvent;
|
---|
902 | }
|
---|
903 | }
|
---|
904 |
|
---|
905 | delete pEvent;
|
---|
906 | pEvent = NULL;
|
---|
907 |
|
---|
908 | int rc2 = RTCritSectLeave(&mWaitEventCritSect);
|
---|
909 | if (RT_SUCCESS(rc))
|
---|
910 | rc = rc2;
|
---|
911 | }
|
---|
912 | }
|
---|
913 |
|
---|
914 | /**
|
---|
915 | * Waits for a formerly registered guest event.
|
---|
916 | *
|
---|
917 | * @return IPRT status code.
|
---|
918 | * @param pEvent Pointer to event to wait for.
|
---|
919 | * @param uTimeoutMS Timeout (in ms) for waiting.
|
---|
920 | * @param pType Event type of following IEvent.
|
---|
921 | * Optional.
|
---|
922 | * @param ppEvent Pointer to IEvent which got triggered
|
---|
923 | * for this event. Optional.
|
---|
924 | */
|
---|
925 | int GuestBase::waitForEvent(GuestWaitEvent *pEvent, uint32_t uTimeoutMS,
|
---|
926 | VBoxEventType_T *pType, IEvent **ppEvent)
|
---|
927 | {
|
---|
928 | AssertPtrReturn(pEvent, VERR_INVALID_POINTER);
|
---|
929 | /* pType is optional. */
|
---|
930 | /* ppEvent is optional. */
|
---|
931 |
|
---|
932 | int vrc = pEvent->Wait(uTimeoutMS);
|
---|
933 | if (RT_SUCCESS(vrc))
|
---|
934 | {
|
---|
935 | const ComPtr<IEvent> pThisEvent = pEvent->Event();
|
---|
936 | if (!pThisEvent.isNull()) /* Having a VBoxEventType_ event is optional. */
|
---|
937 | {
|
---|
938 | if (pType)
|
---|
939 | {
|
---|
940 | HRESULT hr = pThisEvent->COMGETTER(Type)(pType);
|
---|
941 | if (FAILED(hr))
|
---|
942 | vrc = VERR_COM_UNEXPECTED;
|
---|
943 | }
|
---|
944 | if ( RT_SUCCESS(vrc)
|
---|
945 | && ppEvent)
|
---|
946 | pThisEvent.queryInterfaceTo(ppEvent);
|
---|
947 |
|
---|
948 | unconst(pThisEvent).setNull();
|
---|
949 | }
|
---|
950 | }
|
---|
951 |
|
---|
952 | return vrc;
|
---|
953 | }
|
---|
954 |
|
---|
955 | GuestObject::GuestObject(void)
|
---|
956 | : mSession(NULL),
|
---|
957 | mObjectID(0)
|
---|
958 | {
|
---|
959 | }
|
---|
960 |
|
---|
961 | GuestObject::~GuestObject(void)
|
---|
962 | {
|
---|
963 | }
|
---|
964 |
|
---|
965 | int GuestObject::bindToSession(Console *pConsole, GuestSession *pSession, uint32_t uObjectID)
|
---|
966 | {
|
---|
967 | AssertPtrReturn(pConsole, VERR_INVALID_POINTER);
|
---|
968 | AssertPtrReturn(pSession, VERR_INVALID_POINTER);
|
---|
969 |
|
---|
970 | mConsole = pConsole;
|
---|
971 | mSession = pSession;
|
---|
972 | mObjectID = uObjectID;
|
---|
973 |
|
---|
974 | return VINF_SUCCESS;
|
---|
975 | }
|
---|
976 |
|
---|
977 | int GuestObject::registerWaitEvent(const GuestEventTypes &lstEvents,
|
---|
978 | GuestWaitEvent **ppEvent)
|
---|
979 | {
|
---|
980 | AssertPtr(mSession);
|
---|
981 | return GuestBase::registerWaitEvent(mSession->i_getId(), mObjectID, lstEvents, ppEvent);
|
---|
982 | }
|
---|
983 |
|
---|
984 | int GuestObject::sendCommand(uint32_t uFunction,
|
---|
985 | uint32_t uParms, PVBOXHGCMSVCPARM paParms)
|
---|
986 | {
|
---|
987 | #ifndef VBOX_GUESTCTRL_TEST_CASE
|
---|
988 | ComObjPtr<Console> pConsole = mConsole;
|
---|
989 | Assert(!pConsole.isNull());
|
---|
990 |
|
---|
991 | int vrc = VERR_HGCM_SERVICE_NOT_FOUND;
|
---|
992 |
|
---|
993 | /* Forward the information to the VMM device. */
|
---|
994 | VMMDev *pVMMDev = pConsole->i_getVMMDev();
|
---|
995 | if (pVMMDev)
|
---|
996 | {
|
---|
997 | LogFlowThisFunc(("uFunction=%RU32, uParms=%RU32\n", uFunction, uParms));
|
---|
998 | vrc = pVMMDev->hgcmHostCall(HGCMSERVICE_NAME, uFunction, uParms, paParms);
|
---|
999 | if (RT_FAILURE(vrc))
|
---|
1000 | {
|
---|
1001 | /** @todo What to do here? */
|
---|
1002 | }
|
---|
1003 | }
|
---|
1004 | #else
|
---|
1005 | LogFlowThisFuncEnter();
|
---|
1006 |
|
---|
1007 | /* Not needed within testcases. */
|
---|
1008 | int vrc = VINF_SUCCESS;
|
---|
1009 | #endif
|
---|
1010 | return vrc;
|
---|
1011 | }
|
---|
1012 |
|
---|
1013 | GuestWaitEventBase::GuestWaitEventBase(void)
|
---|
1014 | : mfAborted(false),
|
---|
1015 | mCID(0),
|
---|
1016 | mEventSem(NIL_RTSEMEVENT),
|
---|
1017 | mRc(VINF_SUCCESS),
|
---|
1018 | mGuestRc(VINF_SUCCESS)
|
---|
1019 | {
|
---|
1020 | }
|
---|
1021 |
|
---|
1022 | GuestWaitEventBase::~GuestWaitEventBase(void)
|
---|
1023 | {
|
---|
1024 | if (mEventSem != NIL_RTSEMEVENT)
|
---|
1025 | {
|
---|
1026 | RTSemEventDestroy(mEventSem);
|
---|
1027 | mEventSem = NIL_RTSEMEVENT;
|
---|
1028 | }
|
---|
1029 | }
|
---|
1030 |
|
---|
1031 | int GuestWaitEventBase::Init(uint32_t uCID)
|
---|
1032 | {
|
---|
1033 | mCID = uCID;
|
---|
1034 |
|
---|
1035 | return RTSemEventCreate(&mEventSem);
|
---|
1036 | }
|
---|
1037 |
|
---|
1038 | int GuestWaitEventBase::SignalInternal(int rc, int guestRc,
|
---|
1039 | const GuestWaitEventPayload *pPayload)
|
---|
1040 | {
|
---|
1041 | if (ASMAtomicReadBool(&mfAborted))
|
---|
1042 | return VERR_CANCELLED;
|
---|
1043 |
|
---|
1044 | #ifdef VBOX_STRICT
|
---|
1045 | if (rc == VERR_GSTCTL_GUEST_ERROR)
|
---|
1046 | AssertMsg(RT_FAILURE(guestRc), ("Guest error indicated but no actual guest error set (%Rrc)\n", guestRc));
|
---|
1047 | else
|
---|
1048 | AssertMsg(RT_SUCCESS(guestRc), ("No guest error indicated but actual guest error set (%Rrc)\n", guestRc));
|
---|
1049 | #endif
|
---|
1050 |
|
---|
1051 | int rc2;
|
---|
1052 | if (pPayload)
|
---|
1053 | rc2 = mPayload.CopyFromDeep(*pPayload);
|
---|
1054 | else
|
---|
1055 | rc2 = VINF_SUCCESS;
|
---|
1056 | if (RT_SUCCESS(rc2))
|
---|
1057 | {
|
---|
1058 | mRc = rc;
|
---|
1059 | mGuestRc = guestRc;
|
---|
1060 |
|
---|
1061 | rc2 = RTSemEventSignal(mEventSem);
|
---|
1062 | }
|
---|
1063 |
|
---|
1064 | return rc2;
|
---|
1065 | }
|
---|
1066 |
|
---|
1067 | int GuestWaitEventBase::Wait(RTMSINTERVAL uTimeoutMS)
|
---|
1068 | {
|
---|
1069 | int rc = VINF_SUCCESS;
|
---|
1070 |
|
---|
1071 | if (ASMAtomicReadBool(&mfAborted))
|
---|
1072 | rc = VERR_CANCELLED;
|
---|
1073 |
|
---|
1074 | if (RT_SUCCESS(rc))
|
---|
1075 | {
|
---|
1076 | AssertReturn(mEventSem != NIL_RTSEMEVENT, VERR_CANCELLED);
|
---|
1077 |
|
---|
1078 | RTMSINTERVAL msInterval = uTimeoutMS;
|
---|
1079 | if (!uTimeoutMS)
|
---|
1080 | msInterval = RT_INDEFINITE_WAIT;
|
---|
1081 | rc = RTSemEventWait(mEventSem, msInterval);
|
---|
1082 | if (ASMAtomicReadBool(&mfAborted))
|
---|
1083 | rc = VERR_CANCELLED;
|
---|
1084 | if (RT_SUCCESS(rc))
|
---|
1085 | {
|
---|
1086 | /* If waiting succeeded, return the overall
|
---|
1087 | * result code. */
|
---|
1088 | rc = mRc;
|
---|
1089 | }
|
---|
1090 | }
|
---|
1091 |
|
---|
1092 | return rc;
|
---|
1093 | }
|
---|
1094 |
|
---|
1095 | GuestWaitEvent::GuestWaitEvent(uint32_t uCID,
|
---|
1096 | const GuestEventTypes &lstEvents)
|
---|
1097 | {
|
---|
1098 | int rc2 = Init(uCID);
|
---|
1099 | AssertRC(rc2); /** @todo Throw exception here. */
|
---|
1100 |
|
---|
1101 | mEventTypes = lstEvents;
|
---|
1102 | }
|
---|
1103 |
|
---|
1104 | GuestWaitEvent::GuestWaitEvent(uint32_t uCID)
|
---|
1105 | {
|
---|
1106 | int rc2 = Init(uCID);
|
---|
1107 | AssertRC(rc2); /** @todo Throw exception here. */
|
---|
1108 | }
|
---|
1109 |
|
---|
1110 | GuestWaitEvent::~GuestWaitEvent(void)
|
---|
1111 | {
|
---|
1112 |
|
---|
1113 | }
|
---|
1114 |
|
---|
1115 | /**
|
---|
1116 | * Cancels the event.
|
---|
1117 | */
|
---|
1118 | int GuestWaitEvent::Cancel(void)
|
---|
1119 | {
|
---|
1120 | AssertReturn(!mfAborted, VERR_CANCELLED);
|
---|
1121 | ASMAtomicWriteBool(&mfAborted, true);
|
---|
1122 |
|
---|
1123 | #ifdef DEBUG_andy
|
---|
1124 | LogFlowThisFunc(("Cancelling %p ...\n"));
|
---|
1125 | #endif
|
---|
1126 | return RTSemEventSignal(mEventSem);
|
---|
1127 | }
|
---|
1128 |
|
---|
1129 | int GuestWaitEvent::Init(uint32_t uCID)
|
---|
1130 | {
|
---|
1131 | return GuestWaitEventBase::Init(uCID);
|
---|
1132 | }
|
---|
1133 |
|
---|
1134 | /**
|
---|
1135 | * Signals the event.
|
---|
1136 | *
|
---|
1137 | * @return IPRT status code.
|
---|
1138 | * @param pEvent Public IEvent to associate.
|
---|
1139 | * Optional.
|
---|
1140 | */
|
---|
1141 | int GuestWaitEvent::SignalExternal(IEvent *pEvent)
|
---|
1142 | {
|
---|
1143 | AssertReturn(mEventSem != NIL_RTSEMEVENT, VERR_CANCELLED);
|
---|
1144 |
|
---|
1145 | if (pEvent)
|
---|
1146 | mEvent = pEvent;
|
---|
1147 |
|
---|
1148 | return RTSemEventSignal(mEventSem);
|
---|
1149 | }
|
---|
1150 |
|
---|