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</pre><pre class="rust ">
<span class="kw">use</span> <span class="ident">libc</span>::{<span class="ident">c_ulong</span>, <span class="ident">c_int</span>};
<span class="kw">use</span> <span class="ident">libc</span>;
<span class="kw">use</span> {<span class="ident">Errno</span>, <span class="prelude-ty">Result</span>, <span class="ident">NixPath</span>};
<span class="macro">bitflags</span><span class="macro">!</span>(
<span class="kw">pub</span> <span class="ident">flags</span> <span class="ident">MsFlags</span>: <span class="ident">c_ulong</span> {
<span class="kw">const</span> <span class="ident">MS_RDONLY</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_RDONLY</span>, <span class="comment">// Mount read-only</span>
<span class="kw">const</span> <span class="ident">MS_NOSUID</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_NOSUID</span>, <span class="comment">// Ignore suid and sgid bits</span>
<span class="kw">const</span> <span class="ident">MS_NODEV</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_NODEV</span>, <span class="comment">// Disallow access to device special files</span>
<span class="kw">const</span> <span class="ident">MS_NOEXEC</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_NOEXEC</span>, <span class="comment">// Disallow program execution</span>
<span class="kw">const</span> <span class="ident">MS_SYNCHRONOUS</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_SYNCHRONOUS</span>, <span class="comment">// Writes are synced at once</span>
<span class="kw">const</span> <span class="ident">MS_REMOUNT</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_REMOUNT</span>, <span class="comment">// Alter flags of a mounted FS</span>
<span class="kw">const</span> <span class="ident">MS_MANDLOCK</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_MANDLOCK</span>, <span class="comment">// Allow mandatory locks on a FS</span>
<span class="kw">const</span> <span class="ident">MS_DIRSYNC</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_DIRSYNC</span>, <span class="comment">// Directory modifications are synchronous</span>
<span class="kw">const</span> <span class="ident">MS_NOATIME</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_NOATIME</span>, <span class="comment">// Do not update access times</span>
<span class="kw">const</span> <span class="ident">MS_NODIRATIME</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_NODIRATIME</span>, <span class="comment">// Do not update directory access times</span>
<span class="kw">const</span> <span class="ident">MS_BIND</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_BIND</span>, <span class="comment">// Linux 2.4.0 - Bind directory at different place</span>
<span class="kw">const</span> <span class="ident">MS_MOVE</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_MOVE</span>,
<span class="kw">const</span> <span class="ident">MS_REC</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_REC</span>,
<span class="kw">const</span> <span class="ident">MS_VERBOSE</span> <span class="op">=</span> <span class="number">1</span> <span class="op">&lt;&lt;</span> <span class="number">15</span>, <span class="comment">// Deprecated</span>
<span class="kw">const</span> <span class="ident">MS_SILENT</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_SILENT</span>,
<span class="kw">const</span> <span class="ident">MS_POSIXACL</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_POSIXACL</span>,
<span class="kw">const</span> <span class="ident">MS_UNBINDABLE</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_UNBINDABLE</span>,
<span class="kw">const</span> <span class="ident">MS_PRIVATE</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_PRIVATE</span>,
<span class="kw">const</span> <span class="ident">MS_SLAVE</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_SLAVE</span>,
<span class="kw">const</span> <span class="ident">MS_SHARED</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_SHARED</span>,
<span class="kw">const</span> <span class="ident">MS_RELATIME</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_RELATIME</span>,
<span class="kw">const</span> <span class="ident">MS_KERNMOUNT</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_KERNMOUNT</span>,
<span class="kw">const</span> <span class="ident">MS_I_VERSION</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_I_VERSION</span>,
<span class="kw">const</span> <span class="ident">MS_STRICTATIME</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_STRICTATIME</span>,
<span class="kw">const</span> <span class="ident">MS_NOSEC</span> <span class="op">=</span> <span class="number">1</span> <span class="op">&lt;&lt;</span> <span class="number">28</span>,
<span class="kw">const</span> <span class="ident">MS_BORN</span> <span class="op">=</span> <span class="number">1</span> <span class="op">&lt;&lt;</span> <span class="number">29</span>,
<span class="kw">const</span> <span class="ident">MS_ACTIVE</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_ACTIVE</span>,
<span class="kw">const</span> <span class="ident">MS_NOUSER</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_NOUSER</span>,
<span class="kw">const</span> <span class="ident">MS_RMT_MASK</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_RMT_MASK</span>,
<span class="kw">const</span> <span class="ident">MS_MGC_VAL</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_MGC_VAL</span>,
<span class="kw">const</span> <span class="ident">MS_MGC_MSK</span> <span class="op">=</span> <span class="ident">libc</span>::<span class="ident">MS_MGC_MSK</span>,
}
);
<span class="macro">libc_bitflags</span><span class="macro">!</span>(
<span class="kw">pub</span> <span class="ident">flags</span> <span class="ident">MntFlags</span>: <span class="ident">c_int</span> {
<span class="ident">MNT_FORCE</span>,
<span class="ident">MNT_DETACH</span>,
<span class="ident">MNT_EXPIRE</span>,
}
);
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">mount</span><span class="op">&lt;</span><span class="ident">P1</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="ident">NixPath</span>, <span class="ident">P2</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="ident">NixPath</span>, <span class="ident">P3</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="ident">NixPath</span>, <span class="ident">P4</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="ident">NixPath</span><span class="op">&gt;</span>(
<span class="ident">source</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span><span class="ident">P1</span><span class="op">&gt;</span>,
<span class="ident">target</span>: <span class="kw-2">&amp;</span><span class="ident">P2</span>,
<span class="ident">fstype</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span><span class="ident">P3</span><span class="op">&gt;</span>,
<span class="ident">flags</span>: <span class="ident">MsFlags</span>,
<span class="ident">data</span>: <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="kw-2">&amp;</span><span class="ident">P4</span><span class="op">&gt;</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
<span class="kw">use</span> <span class="ident">libc</span>;
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="macro">try</span><span class="macro">!</span>(<span class="macro">try</span><span class="macro">!</span>(<span class="macro">try</span><span class="macro">!</span>(
<span class="ident">source</span>.<span class="ident">with_nix_path</span>(<span class="op">|</span><span class="ident">source</span><span class="op">|</span> {
<span class="ident">target</span>.<span class="ident">with_nix_path</span>(<span class="op">|</span><span class="ident">target</span><span class="op">|</span> {
<span class="ident">fstype</span>.<span class="ident">with_nix_path</span>(<span class="op">|</span><span class="ident">fstype</span><span class="op">|</span> {
<span class="ident">data</span>.<span class="ident">with_nix_path</span>(<span class="op">|</span><span class="ident">data</span><span class="op">|</span> {
<span class="kw">unsafe</span> {
<span class="ident">libc</span>::<span class="ident">mount</span>(<span class="ident">source</span>.<span class="ident">as_ptr</span>(),
<span class="ident">target</span>.<span class="ident">as_ptr</span>(),
<span class="ident">fstype</span>.<span class="ident">as_ptr</span>(),
<span class="ident">flags</span>.<span class="ident">bits</span>,
<span class="ident">data</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw">const</span> <span class="ident">libc</span>::<span class="ident">c_void</span>)
}
})
})
})
})))));
<span class="ident">Errno</span>::<span class="ident">result</span>(<span class="ident">res</span>).<span class="ident">map</span>(<span class="ident">drop</span>)
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">umount</span><span class="op">&lt;</span><span class="ident">P</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="ident">NixPath</span><span class="op">&gt;</span>(<span class="ident">target</span>: <span class="kw-2">&amp;</span><span class="ident">P</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">target</span>.<span class="ident">with_nix_path</span>(<span class="op">|</span><span class="ident">cstr</span><span class="op">|</span> {
<span class="kw">unsafe</span> { <span class="ident">libc</span>::<span class="ident">umount</span>(<span class="ident">cstr</span>.<span class="ident">as_ptr</span>()) }
}));
<span class="ident">Errno</span>::<span class="ident">result</span>(<span class="ident">res</span>).<span class="ident">map</span>(<span class="ident">drop</span>)
}
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">umount2</span><span class="op">&lt;</span><span class="ident">P</span>: <span class="question-mark">?</span><span class="ident">Sized</span> <span class="op">+</span> <span class="ident">NixPath</span><span class="op">&gt;</span>(<span class="ident">target</span>: <span class="kw-2">&amp;</span><span class="ident">P</span>, <span class="ident">flags</span>: <span class="ident">MntFlags</span>) <span class="op">-&gt;</span> <span class="prelude-ty">Result</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">target</span>.<span class="ident">with_nix_path</span>(<span class="op">|</span><span class="ident">cstr</span><span class="op">|</span> {
<span class="kw">unsafe</span> { <span class="ident">libc</span>::<span class="ident">umount2</span>(<span class="ident">cstr</span>.<span class="ident">as_ptr</span>(), <span class="ident">flags</span>.<span class="ident">bits</span>) }
}));
<span class="ident">Errno</span>::<span class="ident">result</span>(<span class="ident">res</span>).<span class="ident">map</span>(<span class="ident">drop</span>)
}
</pre>
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