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<pre><a name="line-1"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Linux</span><span class='hs-varop'>.</span><span class='hs-conid'>Sendfile</span> <span class='hs-layout'>(</span>
<a name="line-2"></a> <span class='hs-varid'>sendfile</span>
<a name="line-3"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sendfileFd</span>
<a name="line-4"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>FileRange</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-5"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-6"></a>
<a name="line-7"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-layout'>(</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-8"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Sendfile</span><span class='hs-varop'>.</span><span class='hs-conid'>Linux</span> <span class='hs-layout'>(</span><span class='hs-varid'>sendfile'</span><span class='hs-layout'>,</span> <span class='hs-varid'>sendfileFd'</span><span class='hs-layout'>)</span>
<a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Sendfile</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span> <span class='hs-layout'>(</span><span class='hs-conid'>FileRange</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span> <span class='hs-layout'>(</span><span class='hs-conid'>Fd</span><span class='hs-layout'>)</span>
<a name="line-11"></a>
<a name="line-12"></a><span class='hs-comment'>-- |</span>
<a name="line-13"></a><span class='hs-comment'>-- Simple binding for sendfile() of Linux.</span>
<a name="line-14"></a><span class='hs-comment'>-- Used system calls:</span>
<a name="line-15"></a><span class='hs-comment'>--</span>
<a name="line-16"></a><span class='hs-comment'>-- - EntireFile -- open(), stat(), sendfile(), and close()</span>
<a name="line-17"></a><span class='hs-comment'>--</span>
<a name="line-18"></a><span class='hs-comment'>-- - PartOfFile -- open(), sendfile(), and close()</span>
<a name="line-19"></a><span class='hs-comment'>--</span>
<a name="line-20"></a><span class='hs-comment'>-- If the size of the file is unknown when sending the entire file,</span>
<a name="line-21"></a><span class='hs-comment'>-- specifying PartOfFile is much faster.</span>
<a name="line-22"></a><span class='hs-comment'>--</span>
<a name="line-23"></a><span class='hs-comment'>-- The fourth action argument is called when a file is sent as chunks.</span>
<a name="line-24"></a><span class='hs-comment'>-- Chucking is inevitable if the socket is non-blocking (this is the</span>
<a name="line-25"></a><span class='hs-comment'>-- default) and the file is large. The action is called after a chunk</span>
<a name="line-26"></a><span class='hs-comment'>-- is sent and bofore waiting the socket to be ready for writing.</span>
<a name="line-27"></a>
<a name="line-28"></a><a name="sendfile"></a><span class='hs-definition'>sendfile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FileRange</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-29"></a><span class='hs-definition'>sendfile</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sendfile'</span>
<a name="line-30"></a>
<a name="line-31"></a><span class='hs-comment'>-- |</span>
<a name="line-32"></a><span class='hs-comment'>-- Simple binding for sendfile() of Linux.</span>
<a name="line-33"></a><span class='hs-comment'>-- Used system calls:</span>
<a name="line-34"></a><span class='hs-comment'>--</span>
<a name="line-35"></a><span class='hs-comment'>-- - EntireFile -- stat() and sendfile()</span>
<a name="line-36"></a><span class='hs-comment'>--</span>
<a name="line-37"></a><span class='hs-comment'>-- - PartOfFile -- sendfile()</span>
<a name="line-38"></a><span class='hs-comment'>--</span>
<a name="line-39"></a><span class='hs-comment'>-- If the size of the file is unknown when sending the entire file,</span>
<a name="line-40"></a><span class='hs-comment'>-- specifying PartOfFile is much faster.</span>
<a name="line-41"></a><span class='hs-comment'>--</span>
<a name="line-42"></a><span class='hs-comment'>-- The fourth action argument is called when a file is sent as chunks.</span>
<a name="line-43"></a><span class='hs-comment'>-- Chucking is inevitable if the socket is non-blocking (this is the</span>
<a name="line-44"></a><span class='hs-comment'>-- default) and the file is large. The action is called after a chunk</span>
<a name="line-45"></a><span class='hs-comment'>-- is sent and bofore waiting the socket to be ready for writing.</span>
<a name="line-46"></a>
<a name="line-47"></a><a name="sendfileFd"></a><span class='hs-definition'>sendfileFd</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Fd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FileRange</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-48"></a><span class='hs-definition'>sendfileFd</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sendfileFd'</span>
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