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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Lwt_sys (lwt.Lwt_sys)</title><meta charset="utf-8"/><link rel="stylesheet" href="../../_odoc-theme/odoc.css"/><meta name="generator" content="odoc 2.4.2"/><meta name="viewport" content="width=device-width,initial-scale=1.0"/><script src="../../highlight.pack.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> – <a href="../index.html">lwt</a> » Lwt_sys</nav><header class="odoc-preamble"><h1>Module <code><span>Lwt_sys</span></code></h1><p>System informations.</p></header><div class="odoc-content"><div class="odoc-spec"><div class="spec exception anchored" id="exception-Not_available"><a href="#exception-Not_available" class="anchor"></a><code><span><span class="keyword">exception</span> </span><span><span class="exception">Not_available</span> <span class="keyword">of</span> string</span></code></div><div class="spec-doc"><p><code>Not_available(feature)</code> is an exception that may be raised when a feature is not available on the current system.</p></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-feature"><a href="#type-feature" class="anchor"></a><code><span><span class="keyword">type</span> feature</span><span> = </span><span>[ </span></code><ol><li id="type-feature.wait4" class="def variant constructor anchored"><a href="#type-feature.wait4" class="anchor"></a><code><span>| </span><span>`wait4</span></code></li><li id="type-feature.get_cpu" class="def variant constructor anchored"><a href="#type-feature.get_cpu" class="anchor"></a><code><span>| </span><span>`get_cpu</span></code></li><li id="type-feature.get_affinity" class="def variant constructor anchored"><a href="#type-feature.get_affinity" class="anchor"></a><code><span>| </span><span>`get_affinity</span></code></li><li id="type-feature.set_affinity" class="def variant constructor anchored"><a href="#type-feature.set_affinity" class="anchor"></a><code><span>| </span><span>`set_affinity</span></code></li><li id="type-feature.recv_msg" class="def variant constructor anchored"><a href="#type-feature.recv_msg" class="anchor"></a><code><span>| </span><span>`recv_msg</span></code></li><li id="type-feature.send_msg" class="def variant constructor anchored"><a href="#type-feature.send_msg" class="anchor"></a><code><span>| </span><span>`send_msg</span></code></li><li id="type-feature.fd_passing" class="def variant constructor anchored"><a href="#type-feature.fd_passing" class="anchor"></a><code><span>| </span><span>`fd_passing</span></code></li><li id="type-feature.get_credentials" class="def variant constructor anchored"><a href="#type-feature.get_credentials" class="anchor"></a><code><span>| </span><span>`get_credentials</span></code></li><li id="type-feature.mincore" class="def variant constructor anchored"><a href="#type-feature.mincore" class="anchor"></a><code><span>| </span><span>`mincore</span></code></li><li id="type-feature.madvise" class="def variant constructor anchored"><a href="#type-feature.madvise" class="anchor"></a><code><span>| </span><span>`madvise</span></code></li><li id="type-feature.fdatasync" class="def variant constructor anchored"><a href="#type-feature.fdatasync" class="anchor"></a><code><span>| </span><span>`fdatasync</span></code></li><li id="type-feature.libev" class="def variant constructor anchored"><a href="#type-feature.libev" class="anchor"></a><code><span>| </span><span>`libev</span></code></li></ol><code><span> ]</span></code></div><div class="spec-doc"><p>Features that can be tested.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-have"><a href="#val-have" class="anchor"></a><code><span><span class="keyword">val</span> have : <span><a href="#type-feature">feature</a> <span class="arrow">-></span></span> bool</span></code></div><div class="spec-doc"><p>Test whether the given feature is available on the current system.</p></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-byte_order"><a href="#type-byte_order" class="anchor"></a><code><span><span class="keyword">type</span> byte_order</span><span> = </span></code><ol><li id="type-byte_order.Little_endian" class="def variant constructor anchored"><a href="#type-byte_order.Little_endian" class="anchor"></a><code><span>| </span><span><span class="constructor">Little_endian</span></span></code></li><li id="type-byte_order.Big_endian" class="def variant constructor anchored"><a href="#type-byte_order.Big_endian" class="anchor"></a><code><span>| </span><span><span class="constructor">Big_endian</span></span></code><div class="def-doc"><span class="comment-delim">(*</span><p>Type of byte order</p><span class="comment-delim">*)</span></div></li></ol></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-byte_order"><a href="#val-byte_order" class="anchor"></a><code><span><span class="keyword">val</span> byte_order : <a href="#type-byte_order">byte_order</a></span></code></div><div class="spec-doc"><p>The byte order used by the computer running the program.</p></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-windows"><a href="#val-windows" class="anchor"></a><code><span><span class="keyword">val</span> windows : bool</span></code></div><div class="spec-doc"><ul class="at-tags"><li class="deprecated"><span class="at-tag">deprecated</span> <p>Use <code>Sys.win32</code>.</p></li></ul></div></div></div></body></html>
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