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<section id='main' class="content source"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><pre class='rust '>
<span class='doccomment'>//! NT Time routines.</span>
<span class='kw'>use</span> ::<span class='ident'>shared</span>::{<span class='ident'>SYSTEMTIME</span>};
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"x86_64"</span>)]</span>
<span class='kw'>use</span> ::<span class='ident'>shared</span>::{<span class='ident'>KUSER_SHARED_DATA</span>};
<span class='kw'>extern</span> <span class='string'>"system"</span>
{
<span class='comment'>// The following exports exists only on x86 kernels.</span>
<span class='comment'>// x64 drivers must use KUSER_SHARED_DATA to obtain these values.</span>
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"x86"</span>)]</span>
<span class='kw'>fn</span> <span class='ident'>KeQuerySystemTime</span>(<span class='ident'>CurrentTime</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SYSTEMTIME</span>);
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"x86"</span>)]</span>
<span class='kw'>fn</span> <span class='ident'>KeQueryTickCount</span>(<span class='ident'>TickCount</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>i64</span>);
<span class='doccomment'>/// Converts a GMT system time value to the local system time for the current time zone.</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>ExSystemTimeToLocalTime</span>(<span class='ident'>SystemTime</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>SYSTEMTIME</span>, <span class='ident'>LocalTime</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>SYSTEMTIME</span>);
}
<span class='doccomment'>/// Obtains the current system time.</span>
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"x86"</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>QuerySystemTime</span>() <span class='op'>-></span> <span class='ident'>SYSTEMTIME</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>t</span> <span class='op'>=</span> <span class='number'>0i64</span>;
<span class='kw'>unsafe</span> { <span class='ident'>KeQuerySystemTime</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>t</span>) };
<span class='kw'>return</span> <span class='ident'>t</span>;
}
<span class='doccomment'>/// Obtains the current system time.</span>
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"x86_64"</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>QuerySystemTime</span>() <span class='op'>-></span> <span class='ident'>SYSTEMTIME</span> {
<span class='kw'>let</span> <span class='ident'>shared</span> <span class='op'>=</span> <span class='ident'>KUSER_SHARED_DATA</span>::<span class='ident'>get</span>();
<span class='ident'>SYSTEMTIME</span>::<span class='ident'>from</span>(<span class='ident'>shared</span>.<span class='ident'>SystemTime</span>)
}
<span class='doccomment'>/// A count of the interval timer interrupts that have occurred since the system was booted.</span>
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"x86"</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>QueryTickCount</span>() <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>t</span> <span class='op'>=</span> <span class='number'>0i64</span>;
<span class='kw'>unsafe</span> { <span class='ident'>KeQueryTickCount</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>t</span>) };
<span class='kw'>return</span> <span class='ident'>t</span>;
}
<span class='doccomment'>/// A count of the interval timer interrupts that have occurred since the system was booted.</span>
<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>target_arch</span> <span class='op'>=</span> <span class='string'>"x86_64"</span>)]</span>
<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>QueryTickCount</span>() <span class='op'>-></span> <span class='ident'>i64</span> {
<span class='kw'>let</span> <span class='ident'>shared</span> <span class='op'>=</span> <span class='ident'>KUSER_SHARED_DATA</span>::<span class='ident'>get</span>();
<span class='ident'>SYSTEMTIME</span>::<span class='ident'>from</span>(<span class='ident'>shared</span>.<span class='ident'>TickCount</span>)
}
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