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cbwang505 提交于 2020-01-04 20:32 . init
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<div class="title">ex.c</div> </div>
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<div class="contents">
<a href="a00680.html">浏览该文件的文档.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160; </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="a03629.html">precomp.h</a>&quot;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#pragma hdrstop</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160; </div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;NTSTATUS</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<a class="code" href="a00680.html#acf9e2c7fe5f9c95e7c76d945174fb5ea">W32pProcessCallout</a>(</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; IN PW32PROCESS Process,</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; IN BOOLEAN Initialize</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160; );</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keywordtype">void</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<a class="code" href="a00680.html#a39bfe79224ebaeb29c95e90995169aa8">ValidateThreadLocks</a>(</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160; <a class="code" href="a01881.html">PTL</a> NewLock,</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <a class="code" href="a01881.html">PTL</a> OldLock);</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;NTSTATUS</div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="a00899.html#a80a4bdd9ccbc04bf79c9c3e18860adfd"> 28</a></span>&#160;<a class="code" href="a00680.html#a80a4bdd9ccbc04bf79c9c3e18860adfd">OpenEffectiveToken</a>(</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; PHANDLE phToken)</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;{</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160; NTSTATUS Status;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment"> * Open the client&#39;s token.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; Status = ZwOpenThreadToken(</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; NtCurrentThread(),</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; TOKEN_QUERY,</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; (BOOLEAN)TRUE, <span class="comment">// OpenAsSelf</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; phToken</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; );</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <span class="keywordflow">if</span> (Status == STATUS_NO_TOKEN) {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment"> * Client wasn&#39;t impersonating anyone. Open its process token.</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; Status = ZwOpenProcessToken(</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; NtCurrentProcess(),</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; TOKEN_QUERY,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; phToken</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; );</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; }</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordflow">if</span> (!NT_SUCCESS(Status)) {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="a00371.html#a31aafffb49dfe98bdc749c9b35c90162">RIPMSG1</a>(<a class="code" href="a00371.html#afa5f32de88404289ec03cd2c0e61e94f">RIP_ERROR</a>, <span class="stringliteral">&quot;Can&#39;t open client&#39;s token! - Status = %lx&quot;</span>, Status);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;}</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;NTSTATUS</div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="a00899.html#a78f42004a414644ecfdc19b382cae57b"> 61</a></span>&#160;<a class="code" href="a00680.html#a297222c1c05315b3b86e418aebd79748">GetProcessLuid</a>(</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <a class="code" href="a00365.html#abce9368ed5b93dc4c0e3e9cc7c99157b">PETHREAD</a> Thread,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; PLUID LuidProcess</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; )</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;{</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; PACCESS_TOKEN UserToken = NULL;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; BOOLEAN fCopyOnOpen;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; BOOLEAN fEffectiveOnly;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; SECURITY_IMPERSONATION_LEVEL ImpersonationLevel;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; NTSTATUS Status;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">if</span> (Thread == NULL)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; Thread = PsGetCurrentThread();</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="comment">// Check for a thread token first</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; UserToken = PsReferenceImpersonationToken(Thread,</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; &amp;fCopyOnOpen, &amp;fEffectiveOnly, &amp;ImpersonationLevel);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">if</span> (UserToken == NULL) {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="comment">// No thread token, go to the process</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; UserToken = PsReferencePrimaryToken(Thread-&gt;ThreadsProcess);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keywordflow">if</span> (UserToken == NULL)</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keywordflow">return</span> STATUS_NO_TOKEN;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; Status = SeQueryAuthenticationIdToken(UserToken, LuidProcess);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="comment">// We&#39;re finished with the token</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="comment">//</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; ObDereferenceObject(UserToken);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;}</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;NTSTATUS</div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="a00899.html#a2dc9a37319c0687eaf57b62a7f1ada4e"> 107</a></span>&#160;<a class="code" href="a00680.html#a2dc9a37319c0687eaf57b62a7f1ada4e">CreateSystemThread</a>(</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; PKSTART_ROUTINE lpThreadAddress,</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; PVOID pvContext,</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; PHANDLE phThread)</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;{</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; NTSTATUS Status;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; OBJECT_ATTRIBUTES Obja;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <a class="code" href="a00953.html#a28301f76c53b643912da7c538f74e2c6">ASSERT</a>(ExIsResourceAcquiredExclusiveLite(<a class="code" href="a03257.html#ac6b62aff5aa60b8f170320cd7c3f32d7">gpresUser</a>) == FALSE);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; InitializeObjectAttributes( &amp;Obja,</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; NULL,</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; 0,</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; NULL,</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; NULL</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; );</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; Status = PsCreateSystemThread(</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; phThread,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; THREAD_ALL_ACCESS,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; &amp;Obja,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; 0L,</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; NULL,</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; lpThreadAddress,</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; pvContext</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; );</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;}</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;NTSTATUS</div>
<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="a00899.html#a976f9b155040dd2170478c6f3184561e"> 139</a></span>&#160;<a class="code" href="a00680.html#a976f9b155040dd2170478c6f3184561e">InitSystemThread</a>(</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; PUNICODE_STRING pstrThreadName)</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160;{</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; PW32PROCESS Win32Process;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; PW32THREAD Win32Thread;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <a class="code" href="a00365.html#abce9368ed5b93dc4c0e3e9cc7c99157b">PETHREAD</a> Thread;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; PEPROCESS Process;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <a class="code" href="a02889.html">PTHREADINFO</a> pti;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; NTSTATUS Status;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; CheckCritOut();</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; Thread = PsGetCurrentThread();</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; Process = Thread-&gt;ThreadsProcess;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;<span class="comment"> * check to see if process is already set, if not, we</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;<span class="comment"> * need to set it up as well</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keywordflow">if</span> ( Process-&gt;Win32Process ) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; Win32Process = NULL;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160;<span class="comment"> * The process is not set</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordflow">if</span> (!NT_SUCCESS(PsCreateWin32Process(Process))) {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="keywordflow">return</span> STATUS_NO_MEMORY;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; Win32Process = (PW32PROCESS)Process-&gt;Win32Process;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;<span class="comment"> * The one case we want to enter the User critical section but we</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;<span class="comment"> * don&#39;t really have a PTI yet.</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <a class="code" href="a00899.html#ae451a2dc8791c420d7c956a63adc33ba">EnterCrit</a>();</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <a class="code" href="a03257.html#a8cc8c8071c3b38eb6abd3dd172e4a79b">gptiCurrent</a> = NULL;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;<span class="comment"> * We have the W32 process (or don&#39;t need one). Now get the thread data</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160;<span class="comment"> * and the kernel stack</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; Win32Thread = UserAllocPoolWithQuota(<span class="keyword">sizeof</span>(<a class="code" href="a02889.html">THREADINFO</a>), <span class="stringliteral">&#39;rhtW&#39;</span>);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="keywordflow">if</span> ( !Win32Thread ) {</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="keywordflow">if</span> ( Win32Process ) {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; Process-&gt;Win32Process = NULL;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; UserFreePool(Win32Process);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; }</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <a class="code" href="a00899.html#ac2181d07596893ed44d18aa267ce4d23">LeaveCrit</a>();</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="keywordflow">return</span> STATUS_NO_MEMORY;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; }</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; RtlZeroMemory(Win32Thread, <span class="keyword">sizeof</span>(<a class="code" href="a02889.html">THREADINFO</a>));</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; Win32Thread-&gt;Thread = Thread;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160;<span class="comment"> * Everything is allocated, so set up the data</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="keywordflow">if</span> ( Win32Process ) {</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; Process-&gt;Win32Process = Win32Process;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; Status = <a class="code" href="a00680.html#acf9e2c7fe5f9c95e7c76d945174fb5ea">W32pProcessCallout</a>(Win32Process,TRUE);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="keywordflow">if</span> ( !NT_SUCCESS(Status) ) {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; Thread-&gt;Tcb.Win32Thread = Win32Thread;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; </div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <a class="code" href="a03257.html#a8cc8c8071c3b38eb6abd3dd172e4a79b">gptiCurrent</a> = (<a class="code" href="a00365.html#a177dce23f2b497ba8dc22f5a92d3f3d3">PTHREADINFO</a>)Win32Thread;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160;<span class="comment"> * Allocate a pti for this thread</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; Status = <a class="code" href="a00824.html#abfd2ef0f8a995e8d2f10f8f0248faf5e">xxxCreateThreadInfo</a>(Win32Thread);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="keywordflow">if</span> (!NT_SUCCESS(Status)) {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; UserFreePool(Win32Thread);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; Thread-&gt;Tcb.Win32Thread = NULL;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <a class="code" href="a00899.html#ac2181d07596893ed44d18aa267ce4d23">LeaveCrit</a>();</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; }</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; pti = PtiCurrentShared();</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="keywordflow">if</span> (pstrThreadName) {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="keywordflow">if</span> (pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a> != NULL)</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; UserFreePool(pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a>);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a> = UserAllocPoolWithQuota(<span class="keyword">sizeof</span>(UNICODE_STRING) +</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; pstrThreadName-&gt;MaximumLength, TAG_TEXT);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="keywordflow">if</span> (pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a> != NULL) {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a>-&gt;Buffer = (PWCHAR)(pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a> + 1);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; RtlCopyMemory(pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a>-&gt;Buffer, pstrThreadName-&gt;Buffer,</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; pstrThreadName-&gt;Length);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a>-&gt;MaximumLength = pstrThreadName-&gt;MaximumLength;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; pti-&gt;<a class="code" href="a02889.html#a89857e53108d9b82242fbfb9b7b57dd5">pstrAppName</a>-&gt;Length = pstrThreadName-&gt;Length;</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; }</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; }</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; </div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160;<span class="comment"> * Need to clear the W32PF_APPSTARTING bit so that windows created by</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160;<span class="comment"> * the RIT don&#39;t cause the cursor to change to the app starting</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160;<span class="comment"> * cursor.</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="keywordflow">if</span> (pti-&gt;<a class="code" href="a02889.html#a215417492fadc11678c689da2447f02e">ppi</a>)</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; pti-&gt;<a class="code" href="a02889.html#a215417492fadc11678c689da2447f02e">ppi</a>-&gt;W32PF_Flags &amp;= ~W32PF_APPSTARTING;</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; </div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; ObReferenceObject(Thread);</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; </div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; <a class="code" href="a00899.html#ac2181d07596893ed44d18aa267ce4d23">LeaveCrit</a>();</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; </div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="keywordflow">return</span> STATUS_SUCCESS;</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160;}</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; </div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160;VOID</div>
<div class="line"><a name="l00253"></a><span class="lineno"><a class="line" href="a00680.html#a3fcbeedd003f73b5cd3f896883dd1b37"> 253</a></span>&#160;<a class="code" href="a00680.html#a3fcbeedd003f73b5cd3f896883dd1b37">UserRtlRaiseStatus</a>(</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; NTSTATUS Status)</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160;{</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; ExRaiseStatus(Status);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160;}</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; </div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160;NTSTATUS</div>
<div class="line"><a name="l00260"></a><span class="lineno"><a class="line" href="a00899.html#a77b4a808c8bc2285c46b6cf1b1415958"> 260</a></span>&#160;<a class="code" href="a00680.html#a77b4a808c8bc2285c46b6cf1b1415958">CommitReadOnlyMemory</a>(</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; HANDLE hSection,</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; ULONG cbCommit,</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <a class="code" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> dwCommitOffset)</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160;{</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; ULONG ulViewSize;</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; LARGE_INTEGER liOffset;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; PEPROCESS Process;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; PVOID pUserBase;</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; NTSTATUS Status;</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; ulViewSize = 0;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; pUserBase = NULL;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; liOffset.QuadPart = 0;</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; Process = PsGetCurrentProcess();</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; Status = MmMapViewOfSection(hSection, Process,</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; &amp;pUserBase, 0, <a class="code" href="a03665.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a>, &amp;liOffset, &amp;ulViewSize, ViewUnmap,</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; SEC_NO_CHANGE, PAGE_EXECUTE_READ);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; </div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; <span class="keywordflow">if</span> (NT_SUCCESS(Status)) {</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160;<span class="comment"> * Commit the memory</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; pUserBase = (PVOID)((PBYTE)pUserBase + dwCommitOffset);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; Status = ZwAllocateVirtualMemory(NtCurrentProcess(),</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; &amp;pUserBase,</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; 0,</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; &amp;cbCommit,</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; MEM_COMMIT,</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; PAGE_EXECUTE_READ</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; );</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; MmUnmapViewOfSection(Process, pUserBase);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; }</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160;}</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; </div>
<div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="a00680.html#ae16d8ff8c8b1262d8c8a3b9a97bc58e7"> 297</a></span>&#160;<span class="preprocessor">#define ROUND_UP_TO_PAGES(SIZE) (((ULONG)(SIZE) + PAGE_SIZE - 1) &amp; \</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160;<span class="preprocessor"> ~(PAGE_SIZE - 1))</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160;<span class="keyword">extern</span> HANDLE <a class="code" href="a00680.html#aa29eee5c4d269ff2d6fe0a66b9de9041">ghReadOnlySharedSection</a>;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; </div>
<div class="line"><a name="l00302"></a><span class="lineno"><a class="line" href="a00680.html#aa2d69d976a60e1a4b4a397bd0783ba5a"> 302</a></span>&#160;<a class="code" href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT</a> <a class="code" href="a00680.html#aa2d69d976a60e1a4b4a397bd0783ba5a">cbSharedAlloc</a> = 0;</div>
<div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="a00680.html#a7a9331d5aa7c36832e823f5aba0ce3b2"> 303</a></span>&#160;<a class="code" href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT</a> <a class="code" href="a00680.html#a7a9331d5aa7c36832e823f5aba0ce3b2">cbCommitted</a> = 0;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; </div>
<div class="line"><a name="l00305"></a><span class="lineno"><a class="line" href="a00899.html#acc256802779139910c948a2c9ef7cb13"> 305</a></span>&#160;PVOID <a class="code" href="a00680.html#a3d55823092d5efdce994868cd5efa7d8">SharedAlloc</a>(</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; <a class="code" href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT</a> <a class="code" href="a00719.html#a0d8ef5056a80a305334bd6c49dfbe32a">cbAlloc</a>)</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160;{</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; PVOID pv = NULL;</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; <a class="code" href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT</a> cbLimit;</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; <a class="code" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> dwCommitOffset;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160;<span class="comment"> * Round up allocation to next DWORD</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <a class="code" href="a00719.html#a0d8ef5056a80a305334bd6c49dfbe32a">cbAlloc</a> = (<a class="code" href="a00719.html#a0d8ef5056a80a305334bd6c49dfbe32a">cbAlloc</a> + 3) &amp; ~3;</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160;<span class="comment"> * Commit the memory if needed.</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; cbLimit = <a class="code" href="a00680.html#aa2d69d976a60e1a4b4a397bd0783ba5a">cbSharedAlloc</a> + <a class="code" href="a00719.html#a0d8ef5056a80a305334bd6c49dfbe32a">cbAlloc</a>;</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="a00680.html#a7a9331d5aa7c36832e823f5aba0ce3b2">cbCommitted</a> &lt; cbLimit) {</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; </div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160;<span class="comment"> * Map the section into the current process and commit the</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160;<span class="comment"> * desired pages of the section.</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; cbLimit = <a class="code" href="a00680.html#ae16d8ff8c8b1262d8c8a3b9a97bc58e7">ROUND_UP_TO_PAGES</a>(cbLimit);</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; dwCommitOffset = (ULONG)((PBYTE)<a class="code" href="a03257.html#a0d0e16dfc8a9c0805c94a8c26d21a163">ghheapSharedRO</a> -</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; (PBYTE)<a class="code" href="a03257.html#a333e3ab0aeefbd49df4da9480fff5eb9">gpReadOnlySharedSectionBase</a> + <a class="code" href="a00680.html#a7a9331d5aa7c36832e823f5aba0ce3b2">cbCommitted</a>);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; <span class="keywordflow">if</span> (!NT_SUCCESS(<a class="code" href="a00680.html#a77b4a808c8bc2285c46b6cf1b1415958">CommitReadOnlyMemory</a>(<a class="code" href="a00680.html#aa29eee5c4d269ff2d6fe0a66b9de9041">ghReadOnlySharedSection</a>,</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; cbLimit, dwCommitOffset)))</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <a class="code" href="a00680.html#a7a9331d5aa7c36832e823f5aba0ce3b2">cbCommitted</a> = cbLimit;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; }</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; </div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; pv = (PBYTE)<a class="code" href="a03257.html#a0d0e16dfc8a9c0805c94a8c26d21a163">ghheapSharedRO</a> + <a class="code" href="a00680.html#aa2d69d976a60e1a4b4a397bd0783ba5a">cbSharedAlloc</a>;</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; <a class="code" href="a00680.html#aa2d69d976a60e1a4b4a397bd0783ba5a">cbSharedAlloc</a> += <a class="code" href="a00719.html#a0d8ef5056a80a305334bd6c49dfbe32a">cbAlloc</a>;</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; </div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; <span class="keywordflow">return</span> pv;</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160;}</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; </div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; </div>
<div class="line"><a name="l00352"></a><span class="lineno"><a class="line" href="a00680.html#ab88ee77a5ba2ab882a962738aad51de8"> 352</a></span>&#160;NTSTATUS <a class="code" href="a00680.html#ab88ee77a5ba2ab882a962738aad51de8">CreateDataSection</a>(</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; IN <a class="code" href="a00563.html#a074685e97e89d6aa2accdfcb82328699">DWORD</a> cbData,</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; OUT PHANDLE phSection,</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; OUT PVOID *ppData)</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160;{</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; NTSTATUS Status;</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; LARGE_INTEGER liSize;</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; ULONG ulViewSize;</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; </div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160;<span class="comment"> * Create the section</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; liSize.LowPart = cbData;</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; liSize.HighPart = 0;</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; Status = MmCreateSection(</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; phSection,</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; SECTION_ALL_ACCESS,</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; NULL,</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; &amp;liSize,</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; PAGE_READWRITE,</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; SEC_COMMIT,</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; NULL,</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; NULL);</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="keywordflow">if</span> (!NT_SUCCESS(Status))</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; </div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160;<span class="comment"> * Map it into the process</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; Status = MmMapViewOfSection(</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; *phSection,</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; PsGetCurrentProcess(),</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; ppData,</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; 0,</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160; cbData,</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; NULL,</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; &amp;ulViewSize,</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; ViewUnmap,</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; 0,</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; PAGE_READWRITE);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="keywordflow">if</span> (!NT_SUCCESS(Status))</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; ObDereferenceObject(*phSection);</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; </div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160;}</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; </div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; </div>
<div class="line"><a name="l00408"></a><span class="lineno"><a class="line" href="a00899.html#abcdcb04a30d72772974e9df4b6f3c442"> 408</a></span>&#160;PKEVENT <a class="code" href="a00680.html#abcdcb04a30d72772974e9df4b6f3c442">CreateKernelEvent</a>(</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; IN EVENT_TYPE Type,</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; IN BOOLEAN State)</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160;{</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160; PKEVENT pEvent;</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160; </div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; pEvent = ExAllocatePoolWithTag(NonPagedPool, <span class="keyword">sizeof</span>(KEVENT), TAG_SYSTEM);</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; <span class="keywordflow">if</span> (pEvent == NULL) {</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; }</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; KeInitializeEvent(pEvent, Type, State);</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160; <span class="keywordflow">return</span> pEvent;</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160;}</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; </div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160; </div>
<div class="line"><a name="l00431"></a><span class="lineno"><a class="line" href="a00899.html#a4832274fb06553cc3f18721f32b8adaa"> 431</a></span>&#160;VOID <a class="code" href="a00680.html#a272ad051235972d116b52e3a3e45af5d">LockObjectAssignment</a>(</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160; PVOID *pplock,</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; PVOID pobject)</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160;{</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; PVOID pobjectOld;</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; </div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160;<span class="comment"> * Save old object to dereference AFTER the new object is</span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160;<span class="comment"> * referenced. This will avoid problems with relocking</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160;<span class="comment"> * the same object.</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160; pobjectOld = *pplock;</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160; </div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>&#160;<span class="comment"> * Reference the new object.</span></div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160; <span class="keywordflow">if</span> (pobject != NULL) {</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>&#160; ObReferenceObject(pobject);</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>&#160; *pplock = pobject;</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160; *pplock = NULL;</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; }</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>&#160; </div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160;<span class="comment"> * Dereference the old object</span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>&#160; <span class="keywordflow">if</span> (pobjectOld != NULL) {</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>&#160; ObDereferenceObject(pobjectOld);</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>&#160; }</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>&#160;}</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>&#160; </div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>&#160; </div>
<div class="line"><a name="l00471"></a><span class="lineno"><a class="line" href="a00899.html#a9c35302383f335632b45ecea0a608ff4"> 471</a></span>&#160;VOID <a class="code" href="a00680.html#a34eb15f38ea08383c244530c4d8bfab0">UnlockObjectAssignment</a>(</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>&#160; PVOID *pplock)</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>&#160;{</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>&#160; <span class="keywordflow">if</span> (*pplock != NULL) {</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>&#160; ObDereferenceObject(*pplock);</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>&#160; *pplock = NULL;</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>&#160; }</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>&#160;}</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>&#160; </div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>&#160; </div>
<div class="line"><a name="l00489"></a><span class="lineno"><a class="line" href="a00899.html#aabde1aef2c62be654f3def31616f909a"> 489</a></span>&#160;VOID <a class="code" href="a00680.html#a4e651db6bc5a53270aaa9886e26de7c4">ThreadLockObject</a>(</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>&#160; <a class="code" href="a02889.html">PTHREADINFO</a> pti,</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>&#160; PVOID pobj,</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>&#160; <a class="code" href="a01881.html">PTL</a> ptl)</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>&#160; </div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>&#160;{</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>&#160;<span class="preprocessor">#ifdef DEBUG</span></div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>&#160; PVOID pfnT;</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>&#160; </div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>&#160;<span class="comment"> * Store the address of the object in the thread lock structure and</span></div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>&#160;<span class="comment"> * link the structure into the thread lock list.</span></div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>&#160;<span class="comment"> * N.B. The lock structure is always linked into the thread lock list</span></div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>&#160;<span class="comment"> * regardless of whether the object address is NULL. The reason</span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>&#160;<span class="comment"> * this is done is so the lock address does not need to be passed</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>&#160;<span class="comment"> * to the unlock function since the first entry in the lock list</span></div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>&#160;<span class="comment"> * is always the entry to be unlocked.</span></div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>&#160; </div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>&#160; <a class="code" href="a00371.html#a162a73e20dfabca084a3ebb4581631a8">UserAssert</a>(!(PpiCurrent()-&gt;W32PF_Flags &amp; W32PF_TERMINATED));</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>&#160; <a class="code" href="a00371.html#a162a73e20dfabca084a3ebb4581631a8">UserAssert</a>(pti);</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>&#160; <a class="code" href="a00371.html#a162a73e20dfabca084a3ebb4581631a8">UserAssert</a>(pobj == NULL || OBJECT_TO_OBJECT_HEADER(pobj)-&gt;PointerCount != 0);</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>&#160; </div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>&#160;<span class="preprocessor">#ifdef DEBUG</span></div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>&#160; </div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>&#160;<span class="comment"> * Get the callers address and validate the thread lock list.</span></div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>&#160; ptl-&gt;<a class="code" href="a01881.html#a774eeae0f007ae3ea612baf38cd38936">pti</a> = pti;</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>&#160; RtlGetCallersAddress(&amp;ptl-&gt;<a class="code" href="a01881.html#ac699f273cf44ff7606ee40b67e4c3b06">pfn</a>, &amp;pfnT);</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>&#160; <a class="code" href="a00680.html#a39bfe79224ebaeb29c95e90995169aa8">ValidateThreadLocks</a>(ptl, pti-&gt;<a class="code" href="a02889.html#a3febffea134a6a6f934300999c74af9d">ptlOb</a>);</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>&#160; </div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>&#160; </div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>&#160; </div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>&#160; ptl-&gt;<a class="code" href="a01881.html#acc0542aab965de5922a213f342d68542">next</a> = pti-&gt;<a class="code" href="a02889.html#a3febffea134a6a6f934300999c74af9d">ptlOb</a>;</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>&#160; pti-&gt;<a class="code" href="a02889.html#a3febffea134a6a6f934300999c74af9d">ptlOb</a> = ptl;</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>&#160; ptl-&gt;<a class="code" href="a01881.html#aee4a3f12946e9853cfa2bca66597d59d">pobj</a> = pobj;</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>&#160; <span class="keywordflow">if</span> (pobj != NULL) {</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>&#160; ObReferenceObject(pobj);</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>&#160; }</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>&#160; </div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>&#160; <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>&#160;}</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>&#160; </div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>&#160; </div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>&#160; </div>
<div class="line"><a name="l00547"></a><span class="lineno"><a class="line" href="a00899.html#ac3937265237b1a08458023be81e0231d"> 547</a></span>&#160;VOID <a class="code" href="a00680.html#a66df221fdc6a2befeaf8552ff54ab590">ThreadUnlockObject</a>(</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>&#160; <a class="code" href="a02889.html">PTHREADINFO</a> pti)</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>&#160;{</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>&#160; <a class="code" href="a01881.html">PTL</a> ptl;</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>&#160; </div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>&#160;<span class="comment"> * Remove the thread lock structure from the thread lock list.</span></div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>&#160; </div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>&#160; ptl = pti-&gt;<a class="code" href="a02889.html#a3febffea134a6a6f934300999c74af9d">ptlOb</a>;</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>&#160; pti-&gt;<a class="code" href="a02889.html#a3febffea134a6a6f934300999c74af9d">ptlOb</a> = ptl-&gt;<a class="code" href="a01881.html#acc0542aab965de5922a213f342d68542">next</a>;</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>&#160; </div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>&#160;<span class="preprocessor">#ifdef DEBUG</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>&#160; </div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>&#160;<span class="comment"> * Validate the thread lock list.</span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>&#160; </div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>&#160; <a class="code" href="a00680.html#a39bfe79224ebaeb29c95e90995169aa8">ValidateThreadLocks</a>(ptl, pti-&gt;<a class="code" href="a02889.html#a3febffea134a6a6f934300999c74af9d">ptlOb</a>);</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>&#160; </div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>&#160; </div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>&#160;<span class="comment"> * If the object address is not NULL, then unlock the object.</span></div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>&#160; </div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>&#160; <span class="keywordflow">if</span> (ptl-&gt;<a class="code" href="a01881.html#aee4a3f12946e9853cfa2bca66597d59d">pobj</a> != NULL) {</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>&#160; </div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>&#160; <span class="comment">/*</span></div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>&#160;<span class="comment"> * Unlock the object.</span></div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>&#160; ObDereferenceObject(ptl-&gt;<a class="code" href="a01881.html#aee4a3f12946e9853cfa2bca66597d59d">pobj</a>);</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>&#160; }</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>&#160;}</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>&#160; </div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>&#160; </div>
<div class="line"><a name="l00591"></a><span class="lineno"><a class="line" href="a00899.html#a481c734b3eea8139a042653549741891"> 591</a></span>&#160;NTSTATUS <a class="code" href="a00680.html#a481c734b3eea8139a042653549741891">ProtectHandle</a>(</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>&#160; IN HANDLE Handle,</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>&#160; IN BOOLEAN Protect)</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>&#160;{</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>&#160; OBJECT_HANDLE_FLAG_INFORMATION HandleInfo;</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>&#160; NTSTATUS Status;</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>&#160; </div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>&#160; Status = ZwQueryObject(</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>&#160; Handle,</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>&#160; ObjectHandleFlagInformation,</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>&#160; &amp;HandleInfo,</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>&#160; <span class="keyword">sizeof</span>(HandleInfo),</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>&#160; NULL);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>&#160; <span class="keywordflow">if</span> (!NT_SUCCESS(Status))</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>&#160; </div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>&#160; HandleInfo.ProtectFromClose = Protect;</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>&#160; </div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>&#160; Status = ZwSetInformationObject(</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>&#160; Handle,</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>&#160; ObjectHandleFlagInformation,</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>&#160; &amp;HandleInfo,</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>&#160; <span class="keyword">sizeof</span>(HandleInfo));</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>&#160; <span class="keywordflow">return</span> Status;</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>&#160;}</div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="aa00680_html_a77b4a808c8bc2285c46b6cf1b1415958"><div class="ttname"><a href="a00680.html#a77b4a808c8bc2285c46b6cf1b1415958">CommitReadOnlyMemory</a></div><div class="ttdeci">NTSTATUS CommitReadOnlyMemory(HANDLE hSection, ULONG cbCommit, DWORD dwCommitOffset)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00260">ex.c:260</a></div></div>
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<div class="ttc" id="aa00680_html_a66df221fdc6a2befeaf8552ff54ab590"><div class="ttname"><a href="a00680.html#a66df221fdc6a2befeaf8552ff54ab590">ThreadUnlockObject</a></div><div class="ttdeci">VOID ThreadUnlockObject(PTHREADINFO pti)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00547">ex.c:547</a></div></div>
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<div class="ttc" id="aa00680_html_a4e651db6bc5a53270aaa9886e26de7c4"><div class="ttname"><a href="a00680.html#a4e651db6bc5a53270aaa9886e26de7c4">ThreadLockObject</a></div><div class="ttdeci">VOID ThreadLockObject(PTHREADINFO pti, PVOID pobj, PTL ptl)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00489">ex.c:489</a></div></div>
<div class="ttc" id="aa03665_html_a7d467c1d283fdfa1f2081ba1e0d01b6e"><div class="ttname"><a href="a03665.html#a7d467c1d283fdfa1f2081ba1e0d01b6e">PAGE_SIZE</a></div><div class="ttdeci">#define PAGE_SIZE</div><div class="ttdef"><b>Definition:</b> <a href="a03665_source.html#l01258">kernel/server.c:1258</a></div></div>
<div class="ttc" id="aa03257_html_a0d0e16dfc8a9c0805c94a8c26d21a163"><div class="ttname"><a href="a03257.html#a0d0e16dfc8a9c0805c94a8c26d21a163">ghheapSharedRO</a></div><div class="ttdeci">PVOID ghheapSharedRO</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00051">kernel/globals.c:51</a></div></div>
<div class="ttc" id="aa00365_html_a177dce23f2b497ba8dc22f5a92d3f3d3"><div class="ttname"><a href="a00365.html#a177dce23f2b497ba8dc22f5a92d3f3d3">PTHREADINFO</a></div><div class="ttdeci">struct tagTHREADINFO * PTHREADINFO</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l00762">user.h:762</a></div></div>
<div class="ttc" id="aa00680_html_aa29eee5c4d269ff2d6fe0a66b9de9041"><div class="ttname"><a href="a00680.html#aa29eee5c4d269ff2d6fe0a66b9de9041">ghReadOnlySharedSection</a></div><div class="ttdeci">HANDLE ghReadOnlySharedSection</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00052">kernel/globals.c:52</a></div></div>
<div class="ttc" id="aa02889_html_a3febffea134a6a6f934300999c74af9d"><div class="ttname"><a href="a02889.html#a3febffea134a6a6f934300999c74af9d">tagTHREADINFO::ptlOb</a></div><div class="ttdeci">PTL ptlOb</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02267">userk.h:2267</a></div></div>
<div class="ttc" id="aa00680_html_a2dc9a37319c0687eaf57b62a7f1ada4e"><div class="ttname"><a href="a00680.html#a2dc9a37319c0687eaf57b62a7f1ada4e">CreateSystemThread</a></div><div class="ttdeci">NTSTATUS CreateSystemThread(PKSTART_ROUTINE lpThreadAddress, PVOID pvContext, PHANDLE phThread)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00107">ex.c:107</a></div></div>
<div class="ttc" id="aa01881_html_ac699f273cf44ff7606ee40b67e4c3b06"><div class="ttname"><a href="a01881.html#ac699f273cf44ff7606ee40b67e4c3b06">_TL::pfn</a></div><div class="ttdeci">PVOID pfn</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l01537">userk.h:1537</a></div></div>
<div class="ttc" id="aa00680_html_a7a9331d5aa7c36832e823f5aba0ce3b2"><div class="ttname"><a href="a00680.html#a7a9331d5aa7c36832e823f5aba0ce3b2">cbCommitted</a></div><div class="ttdeci">UINT cbCommitted</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00303">ex.c:303</a></div></div>
<div class="ttc" id="aa03257_html_ac6b62aff5aa60b8f170320cd7c3f32d7"><div class="ttname"><a href="a03257.html#ac6b62aff5aa60b8f170320cd7c3f32d7">gpresUser</a></div><div class="ttdeci">PERESOURCE gpresUser</div><div class="ttdef"><b>Definition:</b> <a href="a03257_source.html#l00169">kernel/globals.c:169</a></div></div>
<div class="ttc" id="aa01881_html_acc0542aab965de5922a213f342d68542"><div class="ttname"><a href="a01881.html#acc0542aab965de5922a213f342d68542">_TL::next</a></div><div class="ttdeci">struct _TL * next</div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l01533">userk.h:1533</a></div></div>
<div class="ttc" id="aa00680_html_a80a4bdd9ccbc04bf79c9c3e18860adfd"><div class="ttname"><a href="a00680.html#a80a4bdd9ccbc04bf79c9c3e18860adfd">OpenEffectiveToken</a></div><div class="ttdeci">NTSTATUS OpenEffectiveToken(PHANDLE phToken)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00028">ex.c:28</a></div></div>
<div class="ttc" id="aa00719_html_a0d8ef5056a80a305334bd6c49dfbe32a"><div class="ttname"><a href="a00719.html#a0d8ef5056a80a305334bd6c49dfbe32a">cbAlloc</a></div><div class="ttdeci">#define cbAlloc</div></div>
<div class="ttc" id="aa00899_html_ac2181d07596893ed44d18aa267ce4d23"><div class="ttname"><a href="a00899.html#ac2181d07596893ed44d18aa267ce4d23">LeaveCrit</a></div><div class="ttdeci">VOID LeaveCrit(VOID)</div></div>
<div class="ttc" id="aa03608_html_afd1a0e78d1f88954d93e48ab3821781f"><div class="ttname"><a href="a03608.html#afd1a0e78d1f88954d93e48ab3821781f">UINT</a></div><div class="ttdeci">typedef UINT(FAR WINAPI *MSGSOUNDPROC)()</div></div>
<div class="ttc" id="aa00953_html_a28301f76c53b643912da7c538f74e2c6"><div class="ttname"><a href="a00953.html#a28301f76c53b643912da7c538f74e2c6">ASSERT</a></div><div class="ttdeci">#define ASSERT(expr)</div><div class="ttdef"><b>Definition:</b> <a href="a00953_source.html#l00023">bench.c:23</a></div></div>
<div class="ttc" id="aa00365_html_abce9368ed5b93dc4c0e3e9cc7c99157b"><div class="ttname"><a href="a00365.html#abce9368ed5b93dc4c0e3e9cc7c99157b">PETHREAD</a></div><div class="ttdeci">struct _ETHREAD * PETHREAD</div><div class="ttdef"><b>Definition:</b> <a href="a00365_source.html#l00060">user.h:60</a></div></div>
<div class="ttc" id="aa00680_html_abcdcb04a30d72772974e9df4b6f3c442"><div class="ttname"><a href="a00680.html#abcdcb04a30d72772974e9df4b6f3c442">CreateKernelEvent</a></div><div class="ttdeci">PKEVENT CreateKernelEvent(IN EVENT_TYPE Type, IN BOOLEAN State)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00408">ex.c:408</a></div></div>
<div class="ttc" id="aa02889_html"><div class="ttname"><a href="a02889.html">tagTHREADINFO</a></div><div class="ttdef"><b>Definition:</b> <a href="a00899_source.html#l02260">userk.h:2260</a></div></div>
<div class="ttc" id="aa00680_html_a34eb15f38ea08383c244530c4d8bfab0"><div class="ttname"><a href="a00680.html#a34eb15f38ea08383c244530c4d8bfab0">UnlockObjectAssignment</a></div><div class="ttdeci">VOID UnlockObjectAssignment(PVOID *pplock)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00471">ex.c:471</a></div></div>
<div class="ttc" id="aa00680_html_a297222c1c05315b3b86e418aebd79748"><div class="ttname"><a href="a00680.html#a297222c1c05315b3b86e418aebd79748">GetProcessLuid</a></div><div class="ttdeci">NTSTATUS GetProcessLuid(PETHREAD Thread, PLUID LuidProcess)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00061">ex.c:61</a></div></div>
<div class="ttc" id="aa00680_html_a39bfe79224ebaeb29c95e90995169aa8"><div class="ttname"><a href="a00680.html#a39bfe79224ebaeb29c95e90995169aa8">ValidateThreadLocks</a></div><div class="ttdeci">void ValidateThreadLocks(PTL NewLock, PTL OldLock)</div></div>
<div class="ttc" id="aa00680_html_ae16d8ff8c8b1262d8c8a3b9a97bc58e7"><div class="ttname"><a href="a00680.html#ae16d8ff8c8b1262d8c8a3b9a97bc58e7">ROUND_UP_TO_PAGES</a></div><div class="ttdeci">#define ROUND_UP_TO_PAGES(SIZE)</div><div class="ttdef"><b>Definition:</b> <a href="a00680_source.html#l00297">ex.c:297</a></div></div>
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