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</pre><pre class="rust ">
<span class="comment">// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT</span>
<span class="comment">// file at the top-level directory of this distribution and at</span>
<span class="comment">// http://rust-lang.org/COPYRIGHT.</span>
<span class="comment">//</span>
<span class="comment">// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or</span>
<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license</span>
<span class="comment">// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your</span>
<span class="comment">// option. This file may not be copied, modified, or distributed</span>
<span class="comment">// except according to those terms.</span>
<span class="attribute">#<span class="op">!</span>[<span class="ident">allow</span>(<span class="ident">dead_code</span>)]</span> <span class="comment">// not used on all platforms</span>
<span class="kw">use</span> <span class="ident">mem</span>;
<span class="kw">use</span> <span class="ident">libc</span>;
<span class="kw">pub</span> <span class="kw">type</span> <span class="ident">Key</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">pthread_key_t</span>;
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">create</span>(<span class="ident">dtor</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw">unsafe</span> <span class="kw">extern</span> <span class="kw">fn</span>(<span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">u8</span>)<span class="op">></span>) <span class="op">-></span> <span class="ident">Key</span> {
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">key</span> <span class="op">=</span> <span class="number">0</span>;
<span class="macro">assert_eq</span><span class="macro">!</span>(<span class="ident">libc</span>::<span class="ident">pthread_key_create</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">key</span>, <span class="ident">mem</span>::<span class="ident">transmute</span>(<span class="ident">dtor</span>)), <span class="number">0</span>);
<span class="ident">key</span>
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">set</span>(<span class="ident">key</span>: <span class="ident">Key</span>, <span class="ident">value</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">u8</span>) {
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">pthread_setspecific</span>(<span class="ident">key</span>, <span class="ident">value</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> _);
<span class="macro">debug_assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>, <span class="number">0</span>);
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">get</span>(<span class="ident">key</span>: <span class="ident">Key</span>) <span class="op">-></span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">u8</span> {
<span class="ident">libc</span>::<span class="ident">pthread_getspecific</span>(<span class="ident">key</span>) <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">u8</span>
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">pub</span> <span class="kw">unsafe</span> <span class="kw">fn</span> <span class="ident">destroy</span>(<span class="ident">key</span>: <span class="ident">Key</span>) {
<span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">pthread_key_delete</span>(<span class="ident">key</span>);
<span class="macro">debug_assert_eq</span><span class="macro">!</span>(<span class="ident">r</span>, <span class="number">0</span>);
}
<span class="attribute">#[<span class="ident">inline</span>]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">requires_synchronized_create</span>() <span class="op">-></span> <span class="ident">bool</span> {
<span class="bool-val">false</span>
}
</pre>
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