9 lines
4.9 KiB
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9 lines
4.9 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>System.Posix.FD</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script src="https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type="text/javascript"></script><script type="text/javascript">//<![CDATA[
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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/System-Posix-FD.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">hpath-0.8.0: Support for well-typed paths</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Copyright</th><td>© 2016 Julian Ospald</td></tr><tr><th>License</th><td>BSD3</td></tr><tr><th>Maintainer</th><td>Julian Ospald <hasufell@posteo.de></td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Portability</th><td>portable</td></tr><tr><th>Safe Haskell</th><td>Safe</td></tr><tr><th>Language</th><td>Haskell2010</td></tr></table><p class="caption">System.Posix.FD</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p>Provides an alternative for <code><a href="https://hackage.haskell.org/package/unix-2.7.2.0/docs/System-Posix-IO-ByteString.html#v:openFd">openFd</a></code>
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which gives us more control on what status flags to pass to the
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low-level <code>open(2)</code> call, in contrast to the unix package.</p></div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><a href="#v:openFd">openFd</a> :: <a href="https://hackage.haskell.org/package/unix-2.7.2.0/docs/System-Posix-ByteString-FilePath.html#t:RawFilePath">RawFilePath</a> -> <a href="https://hackage.haskell.org/package/unix-2.7.2.0/docs/System-Posix-IO-ByteString.html#t:OpenMode">OpenMode</a> -> [<a href="System-Posix-Directory-Foreign.html#t:Flags">Flags</a>] -> <a href="https://hackage.haskell.org/package/base-4.9.0.0/docs/Data-Maybe.html#t:Maybe">Maybe</a> <a href="https://hackage.haskell.org/package/base-4.9.0.0/docs/System-Posix-Types.html#t:FileMode">FileMode</a> -> <a href="https://hackage.haskell.org/package/base-4.9.0.0/docs/System-IO.html#t:IO">IO</a> <a href="https://hackage.haskell.org/package/base-4.9.0.0/docs/System-Posix-Types.html#t:Fd">Fd</a></li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><a id="v:openFd" class="def">openFd</a> <a href="src/System-Posix-FD.html#openFd" class="link">Source</a> <a href="#v:openFd" class="selflink">#</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="https://hackage.haskell.org/package/unix-2.7.2.0/docs/System-Posix-ByteString-FilePath.html#t:RawFilePath">RawFilePath</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="https://hackage.haskell.org/package/unix-2.7.2.0/docs/System-Posix-IO-ByteString.html#t:OpenMode">OpenMode</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> [<a href="System-Posix-Directory-Foreign.html#t:Flags">Flags</a>]</td><td class="doc"><p>status flags of <code>open(2)</code></p></td></tr><tr><td class="src">-> <a href="https://hackage.haskell.org/package/base-4.9.0.0/docs/Data-Maybe.html#t:Maybe">Maybe</a> <a href="https://hackage.haskell.org/package/base-4.9.0.0/docs/System-Posix-Types.html#t:FileMode">FileMode</a></td><td class="doc"><p><code>Just x</code> => creates the file with the given modes, Nothing => the file must exist.</p></td></tr><tr><td class="src">-> <a href="https://hackage.haskell.org/package/base-4.9.0.0/docs/System-IO.html#t:IO">IO</a> <a href="https://hackage.haskell.org/package/base-4.9.0.0/docs/System-Posix-Types.html#t:Fd">Fd</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Open and optionally create this file. See <code><a href="https://hackage.haskell.org/package/unix-2.7.2.0/docs/System-Posix.html#v:Files">Files</a></code>
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for information on how to use the <code>FileMode</code> type.</p><p>Note that passing <code>Just x</code> as the 4th argument triggers the
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<code><a href="System-Posix-Directory-Foreign.html#v:oCreat">oCreat</a></code> status flag, which must be set when you pass in <code><a href="System-Posix-Directory-Foreign.html#v:oExcl">oExcl</a></code>
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to the status flags. Also see the manpage for <code>open(2)</code>.</p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.17.2</p></div></body></html> |