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l4re-base-25.08.0

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Viktor Reusch
2025-09-12 15:55:45 +02:00
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// vi:set ft=cpp: -*- Mode: C++ -*-</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">/*</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * (c) 2010 Adam Lackorzynski &lt;adam@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> * Alexander Warg &lt;warg@os.inf.tu-dresden.de&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * economic rights: Technische Universität Dresden (Germany)</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> *</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> */</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#include &lt;l4/l4re_vfs/vfs.h&gt;</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="preprocessor">#include &lt;l4/crtn/initpriorities.h&gt;</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> <span class="keywordtype">void</span> l4re_vfs_select_poll_notify(<span class="keywordtype">void</span>);</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="foldopen" id="foldopen00016" data-start="{" data-end="}">
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"><a class="line" href="namespaceL4Re_1_1Vfs.html"> 16</a></span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4Re.html">L4Re</a> { <span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceL4Re_1_1Vfs.html">Vfs</a> {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"><a class="line" href="namespaceL4Re_1_1Vfs.html#a79ac263555b8af3b6694ef7bba57c8f4"> 19</a></span><span class="keyword">extern</span> <a class="code hl_class" href="classL4Re_1_1Vfs_1_1Ops.html">L4Re::Vfs::Ops</a> *vfs_ops <span class="keyword">asm</span> (<span class="stringliteral">&quot;l4re_env_posix_vfs_ops&quot;</span>);</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="keyword">class </span>Mount_tree;</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span></div>
<div class="foldopen" id="foldopen00030" data-start="{" data-end="};">
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html"> 30</a></span><span class="keyword">class </span><a class="code hl_class" href="classL4Re_1_1Vfs_1_1Be__file.html">Be_file</a> : <span class="keyword">public</span> File</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span>{</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="keywordtype">void</span> *<span class="keyword">operator</span> <span class="keyword">new</span> (<span class="keywordtype">size_t</span> size) <span class="keyword">noexcept</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> { <span class="keywordflow">return</span> vfs_ops-&gt;malloc(size); }</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> <span class="keywordtype">void</span> *<span class="keyword">operator</span> <span class="keyword">new</span> (size_t, <span class="keywordtype">void</span> *m) <span class="keyword">noexcept</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> { <span class="keywordflow">return</span> m; }</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> <span class="keywordtype">void</span> <span class="keyword">operator</span> <span class="keyword">delete</span> (<span class="keywordtype">void</span> *m)</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> { vfs_ops-&gt;free(m); }</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// used in close, to unlock all locks of a file (as POSIX says)</span></div>
<div class="foldopen" id="foldopen00043" data-start="{" data-end="}">
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a21a57e87a648ee022f18ada16fb2a904"> 43</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a21a57e87a648ee022f18ada16fb2a904">unlock_all_locks</a>() noexcept<span class="keyword"> override</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> 0; }</div>
</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// for mmap</span></div>
<div class="foldopen" id="foldopen00047" data-start="{" data-end="}">
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#aa288bb0d3f71593953dbae5883517116"> 47</a></span> <a class="code hl_class" href="classL4_1_1Cap.html">L4::Cap&lt;L4Re::Dataspace&gt;</a> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#aa288bb0d3f71593953dbae5883517116">data_space</a>() noexcept<span class="keyword"> override</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> <a class="code hl_enumvalue" href="classL4_1_1Cap__base.html#ac74dbedb04347341ba30ece923c12fe7af425c8e16afcd760ecb1f30bd6c1437a">L4::Cap&lt;L4Re::Dataspace&gt;::Invalid</a>; }</div>
</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span></div>
<div class="foldopen" id="foldopen00051" data-start="{" data-end="}">
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a5acbef1e5329330ad4162bbdb108ff2e"> 51</a></span> ssize_t <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a5acbef1e5329330ad4162bbdb108ff2e">readv</a>(<span class="keyword">const</span> <span class="keyword">struct</span> iovec*, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> { <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span></div>
<div class="foldopen" id="foldopen00055" data-start="{" data-end="}">
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a03be4ff948db701b77cc0fda762bffcb"> 55</a></span> ssize_t <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a03be4ff948db701b77cc0fda762bffcb">writev</a>(<span class="keyword">const</span> <span class="keyword">struct</span> iovec*, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> { <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span></div>
<div class="foldopen" id="foldopen00059" data-start="{" data-end="}">
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a4c42127b96e6fd953b08967433c8d417"> 59</a></span> ssize_t <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a4c42127b96e6fd953b08967433c8d417">pwritev</a>(<span class="keyword">const</span> <span class="keyword">struct</span> iovec*, <span class="keywordtype">int</span>, off64_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> { <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span></div>
<div class="foldopen" id="foldopen00063" data-start="{" data-end="}">
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a3160289c122b5c0e1cb1c966b7299387"> 63</a></span> ssize_t <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a3160289c122b5c0e1cb1c966b7299387">preadv</a>(<span class="keyword">const</span> <span class="keyword">struct</span> iovec*, <span class="keywordtype">int</span>, off64_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> { <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span></div>
<div class="foldopen" id="foldopen00067" data-start="{" data-end="}">
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a7ee8dd388f6da0ca322c51028f41e3d9"> 67</a></span> off64_t <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a7ee8dd388f6da0ca322c51028f41e3d9">lseek</a>(off64_t, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> { <span class="keywordflow">return</span> -ESPIPE; }</div>
</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span></div>
<div class="foldopen" id="foldopen00071" data-start="{" data-end="}">
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a87716aafa0ceacf461c7483d1e3e1ded"> 71</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a87716aafa0ceacf461c7483d1e3e1ded">ftruncate</a>(off64_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> { <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span></div>
<div class="foldopen" id="foldopen00075" data-start="{" data-end="}">
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a6178755734c578be547a04e5e5aeb0c3"> 75</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a6178755734c578be547a04e5e5aeb0c3">fsync</a>() const noexcept<span class="keyword"> override</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span></div>
<div class="foldopen" id="foldopen00079" data-start="{" data-end="}">
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a8bf7376f3f3ef25d46bc93306912c84e"> 79</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a8bf7376f3f3ef25d46bc93306912c84e">fdatasync</a>() const noexcept<span class="keyword"> override</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span></div>
<div class="foldopen" id="foldopen00083" data-start="{" data-end="}">
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a1c9e92c920f8879cd0efcb532a7b5e8e"> 83</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a1c9e92c920f8879cd0efcb532a7b5e8e">ioctl</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>, va_list) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> { <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="foldopen" id="foldopen00086" data-start="{" data-end="}">
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#ae771a2ee5bafce77b4f91c9740d01fa2"> 86</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#ae771a2ee5bafce77b4f91c9740d01fa2">fstat</a>(<span class="keyword">struct</span> stat64 *) <span class="keyword">const</span> <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> { <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span></div>
<div class="foldopen" id="foldopen00090" data-start="{" data-end="}">
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a694345800211b9b1b81b8c7f274afaaf"> 90</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a694345800211b9b1b81b8c7f274afaaf">fchmod</a>(mode_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> { <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span></div>
<div class="foldopen" id="foldopen00094" data-start="{" data-end="}">
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a810339746585a19ccfecd2225cbbc3b4"> 94</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a810339746585a19ccfecd2225cbbc3b4">get_status_flags</a>() const noexcept<span class="keyword"> override</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> 0; }</div>
</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span></div>
<div class="foldopen" id="foldopen00098" data-start="{" data-end="}">
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a4acb694e64c9728a88b3d2a0338be4dc"> 98</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a4acb694e64c9728a88b3d2a0338be4dc">set_status_flags</a>(<span class="keywordtype">long</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> { <span class="keywordflow">return</span> 0; }</div>
</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span></div>
<div class="foldopen" id="foldopen00102" data-start="{" data-end="}">
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#acf463260efb5c95a8741f5f3b3279af7"> 102</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#acf463260efb5c95a8741f5f3b3279af7">get_lock</a>(<span class="keyword">struct</span> flock64 *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> { <span class="keywordflow">return</span> -ENOLCK; }</div>
</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span></div>
<div class="foldopen" id="foldopen00106" data-start="{" data-end="}">
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a7b32030d6132a2a06bcd7f2ae4a5f83f"> 106</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a7b32030d6132a2a06bcd7f2ae4a5f83f">set_lock</a>(<span class="keyword">struct</span> flock64 *, <span class="keywordtype">bool</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> { <span class="keywordflow">return</span> -ENOLCK; }</div>
</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span></div>
<div class="foldopen" id="foldopen00110" data-start="{" data-end="}">
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a02f723794ed7da71a51c66b2d1928647"> 110</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a02f723794ed7da71a51c66b2d1928647">faccessat</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> { <span class="keywordflow">return</span> -ENOTDIR; }</div>
</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span></div>
<div class="foldopen" id="foldopen00114" data-start="{" data-end="}">
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a0d88f0d431fbd2c748287e97d8aeff1d"> 114</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a0d88f0d431fbd2c748287e97d8aeff1d">fchmodat</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *, mode_t, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> { <span class="keywordflow">return</span> -ENOTDIR; }</div>
</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span></div>
<div class="foldopen" id="foldopen00118" data-start="{" data-end="}">
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#aa5446b1903d7964fcd0d9ea98e68a7d5"> 118</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#aa5446b1903d7964fcd0d9ea98e68a7d5">utime</a>(<span class="keyword">const</span> <span class="keyword">struct</span> utimbuf *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> { <span class="keywordflow">return</span> -EROFS; }</div>
</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span></div>
<div class="foldopen" id="foldopen00122" data-start="{" data-end="}">
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a3c14980fa78107117cc40e37a7cdb583"> 122</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a3c14980fa78107117cc40e37a7cdb583">utimes</a>(<span class="keyword">const</span> <span class="keyword">struct</span> timeval [2]) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> { <span class="keywordflow">return</span> -EROFS; }</div>
</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span></div>
<div class="foldopen" id="foldopen00126" data-start="{" data-end="}">
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a1caf5af09421927a0d75601375eb5f39"> 126</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a1caf5af09421927a0d75601375eb5f39">utimensat</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *, <span class="keyword">const</span> <span class="keyword">struct</span> timespec [2], <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> { <span class="keywordflow">return</span> -EROFS; }</div>
</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span></div>
<div class="foldopen" id="foldopen00130" data-start="{" data-end="}">
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a65213ffe243e3afc9dbf974625fdba67"> 130</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a65213ffe243e3afc9dbf974625fdba67">mkdir</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *, mode_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> { <span class="keywordflow">return</span> -ENOTDIR; }</div>
</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span></div>
<div class="foldopen" id="foldopen00134" data-start="{" data-end="}">
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a03f650bebfa88e37ca20eda790079a19"> 134</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a03f650bebfa88e37ca20eda790079a19">unlink</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> { <span class="keywordflow">return</span> -ENOTDIR; }</div>
</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span></div>
<div class="foldopen" id="foldopen00138" data-start="{" data-end="}">
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#aa76b2e8295ba688c3289f417053ce6d4"> 138</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#aa76b2e8295ba688c3289f417053ce6d4">rename</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *, <span class="keyword">const</span> <span class="keywordtype">char</span> *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> { <span class="keywordflow">return</span> -ENOTDIR; }</div>
</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span></div>
<div class="foldopen" id="foldopen00142" data-start="{" data-end="}">
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#af32a6487856bdec8f406af5c22f846a0"> 142</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#af32a6487856bdec8f406af5c22f846a0">link</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *, <span class="keyword">const</span> <span class="keywordtype">char</span> *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> { <span class="keywordflow">return</span> -ENOTDIR; }</div>
</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span></div>
<div class="foldopen" id="foldopen00146" data-start="{" data-end="}">
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a9996dd89077d89b9c1a469495a9e670f"> 146</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a9996dd89077d89b9c1a469495a9e670f">symlink</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *, <span class="keyword">const</span> <span class="keywordtype">char</span> *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> { <span class="keywordflow">return</span> -EPERM; }</div>
</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span></div>
<div class="foldopen" id="foldopen00150" data-start="{" data-end="}">
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a3a4dfdee8317df329e51c7de895213f1"> 150</a></span> <span class="keywordtype">int</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a3a4dfdee8317df329e51c7de895213f1">rmdir</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> { <span class="keywordflow">return</span> -ENOTDIR; }</div>
</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span></div>
<div class="foldopen" id="foldopen00154" data-start="{" data-end="}">
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#aff46baca1251a6f369c879ce09639725"> 154</a></span> ssize_t <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#aff46baca1251a6f369c879ce09639725">readlink</a>(<span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>)<span class="keyword"> override</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> -EINVAL; }</div>
</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> ssize_t getdents(<span class="keywordtype">char</span> *, <span class="keywordtype">size_t</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> { <span class="keywordflow">return</span> -ENOTDIR; }</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> </div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="comment">// Socket interface</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordtype">int</span> bind(sockaddr <span class="keyword">const</span> *, socklen_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordtype">int</span> connect(sockaddr <span class="keyword">const</span> *, socklen_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> ssize_t send(<span class="keywordtype">void</span> <span class="keyword">const</span> *, <span class="keywordtype">size_t</span>, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> ssize_t recv(<span class="keywordtype">void</span> *, <span class="keywordtype">size_t</span>, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> ssize_t sendto(<span class="keywordtype">void</span> <span class="keyword">const</span> *, <span class="keywordtype">size_t</span>, <span class="keywordtype">int</span>, sockaddr <span class="keyword">const</span> *, socklen_t) <span class="keyword">noexcept</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> ssize_t recvfrom(<span class="keywordtype">void</span> *, <span class="keywordtype">size_t</span>, <span class="keywordtype">int</span>, sockaddr *, socklen_t *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> ssize_t sendmsg(msghdr <span class="keyword">const</span> *, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> ssize_t recvmsg(msghdr *, <span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <span class="keywordtype">int</span> getsockopt(<span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">void</span> *, socklen_t *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordtype">int</span> setsockopt(<span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">void</span> <span class="keyword">const</span> *, socklen_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> </div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordtype">int</span> listen(<span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> <span class="keywordtype">int</span> accept(sockaddr *, socklen_t *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="keywordtype">int</span> shutdown(<span class="keywordtype">int</span>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="keywordtype">int</span> getsockname(sockaddr *, socklen_t *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <span class="keywordtype">int</span> getpeername(sockaddr *, socklen_t *) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> { <span class="keywordflow">return</span> -ENOTSOCK; }</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span></div>
<div class="foldopen" id="foldopen00217" data-start="{" data-end="}">
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file.html#a21eb685967c70248570b53204922e331"> 217</a></span> <span class="keywordtype">bool</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a21eb685967c70248570b53204922e331">check_ready</a>(<a class="code hl_enumeration" href="classL4Re_1_1Vfs_1_1Generic__file.html#ac2d79d9ed8c826b28e1abd98bc1659f9">Ready_type</a>) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>
</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <a class="code hl_class" href="classL4Re_1_1Vfs_1_1Be__file.html">~Be_file</a>() noexcept = 0;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span>private:</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <span class="keywordtype">int</span> get_entry(const <span class="keywordtype">char</span> *, <span class="keywordtype">int</span>, mode_t, <a class="code hl_namespace" href="namespacecxx.html">cxx</a>::Ref_ptr&lt;<a class="code hl_class" href="classL4Re_1_1Vfs_1_1File.html">File</a>&gt; *) noexcept<span class="keyword"> override</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="keyword"> </span>{ <span class="keywordflow">return</span> -ENOTDIR; }</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span> </div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *get_mount(<span class="keyword">const</span> <span class="keywordtype">char</span> *path, <a class="code hl_class" href="classcxx_1_1Ref__ptr.html">cxx::Ref_ptr&lt;File&gt;</a> *dir) <span class="keyword">noexcept</span>;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span>};</div>
</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span><span class="keyword">inline</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span>Be_file::~Be_file() noexcept {}</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span><span class="keyword">class </span>Be_file_pos : <span class="keyword">public</span> <a class="code hl_class" href="classL4Re_1_1Vfs_1_1Be__file.html">Be_file</a></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span>{</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> Be_file_pos() noexcept : Be_file(), _pos(0) {}</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="keyword">virtual</span> off64_t size() const noexcept = 0;</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> ssize_t readv(const struct iovec *v, <span class="keywordtype">int</span> iovcnt) noexcept<span class="keyword"> override</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span><span class="keyword"> </span>{</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> ssize_t r = preadv(v, iovcnt, _pos);</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">if</span> (r &gt; 0)</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> _pos += r;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> }</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> ssize_t writev(<span class="keyword">const</span> <span class="keyword">struct</span> iovec *v, <span class="keywordtype">int</span> iovcnt) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> {</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> ssize_t r = pwritev(v, iovcnt, _pos);</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">if</span> (r &gt; 0)</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> _pos += r;</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> }</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> ssize_t preadv(<span class="keyword">const</span> <span class="keyword">struct</span> iovec *v, <span class="keywordtype">int</span> iovcnt, off64_t offset) <span class="keyword">noexcept</span> <span class="keyword">override</span> = 0;</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> ssize_t pwritev(<span class="keyword">const</span> <span class="keyword">struct</span> iovec *v, <span class="keywordtype">int</span> iovcnt, off64_t offset) <span class="keyword">noexcept</span> <span class="keyword">override</span> = 0;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> off64_t lseek(off64_t offset, <span class="keywordtype">int</span> whence) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> {</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> off64_t r;</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> <span class="keywordflow">switch</span> (whence)</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> {</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">case</span> SEEK_SET: r = offset; <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> <span class="keywordflow">case</span> SEEK_CUR: r = _pos + offset; <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> <span class="keywordflow">case</span> SEEK_END: r = size() + offset; <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">default</span>: <span class="keywordflow">return</span> -EINVAL;</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> };</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> </div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">if</span> (r &lt; 0)</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">return</span> -EINVAL;</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> </div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> _pos = r;</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">return</span> _pos;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> }</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> </div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> ~Be_file_pos() noexcept = 0;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span>protected:</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> off64_t pos() const noexcept { <span class="keywordflow">return</span> _pos; }</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> </div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> off64_t _pos;</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span>};</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span><span class="keyword">inline</span> Be_file_pos::~Be_file_pos() noexcept {}</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> </div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span><span class="keyword">class </span>Be_file_stream : <span class="keyword">public</span> <a class="code hl_class" href="classL4Re_1_1Vfs_1_1Be__file.html">Be_file</a></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span>{</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> ssize_t preadv(<span class="keyword">const</span> <span class="keyword">struct</span> iovec *v, <span class="keywordtype">int</span> iovcnt, off64_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> { <span class="keywordflow">return</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a5acbef1e5329330ad4162bbdb108ff2e">readv</a>(v, iovcnt); }</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> ssize_t pwritev(<span class="keyword">const</span> <span class="keyword">struct</span> iovec *v, <span class="keywordtype">int</span> iovcnt, off64_t) <span class="keyword">noexcept</span> <span class="keyword">override</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> { <span class="keywordflow">return</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file.html#a03be4ff948db701b77cc0fda762bffcb">writev</a>(v, iovcnt); }</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> ~Be_file_stream() noexcept = 0;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> </div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span>};</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> </div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span>inline Be_file_stream::~Be_file_stream() noexcept {}</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span></div>
<div class="foldopen" id="foldopen00310" data-start="{" data-end="};">
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file__system.html"> 310</a></span><span class="keyword">class </span><a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file__system.html#acb71b8fb0eccaca723fc3b1d8d65c2ea">Be_file_system</a> : <span class="keyword">public</span> File_system</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span>{</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordtype">char</span> <span class="keyword">const</span> *<span class="keyword">const</span> _fstype;</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> </div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span></div>
<div class="foldopen" id="foldopen00324" data-start="{" data-end="}">
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file__system.html#acb71b8fb0eccaca723fc3b1d8d65c2ea"> 324</a></span> <span class="keyword">explicit</span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file__system.html#acb71b8fb0eccaca723fc3b1d8d65c2ea">Be_file_system</a>(<span class="keywordtype">char</span> <span class="keyword">const</span> *fstype) noexcept</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> : File_system(), _fstype(fstype)</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> {</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> vfs_ops-&gt;register_file_system(<span class="keyword">this</span>);</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> }</div>
</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span></div>
<div class="foldopen" id="foldopen00336" data-start="{" data-end="}">
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file__system.html#a674376f70ce6b2d0fc69d54188ceaa80"> 336</a></span> <a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file__system.html#a674376f70ce6b2d0fc69d54188ceaa80">~Be_file_system</a>() noexcept</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> {</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> vfs_ops-&gt;unregister_file_system(<span class="keyword">this</span>);</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> }</div>
</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"><a class="line" href="classL4Re_1_1Vfs_1_1Be__file__system.html#ab5d0c8e512ec5cc7f0e2bb3ad428b576"> 346</a></span> <span class="keywordtype">char</span> <span class="keyword">const</span> *<a class="code hl_function" href="classL4Re_1_1Vfs_1_1Be__file__system.html#ab5d0c8e512ec5cc7f0e2bb3ad428b576">type</a>() const noexcept<span class="keyword"> override </span>{ <span class="keywordflow">return</span> _fstype; }</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span>};</div>
</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> </div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span><span class="comment">/* Make sure filesystems can register before the constructor of libmount</span></div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span><span class="comment"> * runs */</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span><span class="preprocessor">#define L4RE_VFS_FILE_SYSTEM_ATTRIBUTE \</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span><span class="preprocessor"> __attribute__((init_priority(INIT_PRIO_LATE)))</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span> </div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"> 354</span>}}</div>
</div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file__system_html_a674376f70ce6b2d0fc69d54188ceaa80"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file__system.html#a674376f70ce6b2d0fc69d54188ceaa80">L4Re::Vfs::Be_file_system::~Be_file_system</a></div><div class="ttdeci">~Be_file_system() noexcept</div><div class="ttdoc">Destroy a file-system object.</div><div class="ttdef"><b>Definition</b> <a href="#l00336">backend:336</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file__system_html_ab5d0c8e512ec5cc7f0e2bb3ad428b576"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file__system.html#ab5d0c8e512ec5cc7f0e2bb3ad428b576">L4Re::Vfs::Be_file_system::type</a></div><div class="ttdeci">char const * type() const noexcept override</div><div class="ttdoc">Return the file-system type.</div><div class="ttdef"><b>Definition</b> <a href="#l00346">backend:346</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file__system_html_acb71b8fb0eccaca723fc3b1d8d65c2ea"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file__system.html#acb71b8fb0eccaca723fc3b1d8d65c2ea">L4Re::Vfs::Be_file_system::Be_file_system</a></div><div class="ttdeci">Be_file_system(char const *fstype) noexcept</div><div class="ttdoc">Create a file-system object for the given fstype.</div><div class="ttdef"><b>Definition</b> <a href="#l00324">backend:324</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html">L4Re::Vfs::Be_file</a></div><div class="ttdoc">Boiler plate class for implementing an open file for L4Re::Vfs.</div><div class="ttdef"><b>Definition</b> <a href="#l00030">backend:31</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a02f723794ed7da71a51c66b2d1928647"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a02f723794ed7da71a51c66b2d1928647">L4Re::Vfs::Be_file::faccessat</a></div><div class="ttdeci">int faccessat(const char *, int, int) noexcept override</div><div class="ttdoc">Default backend for POSIX access and faccessat functions.</div><div class="ttdef"><b>Definition</b> <a href="#l00110">backend:110</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a03be4ff948db701b77cc0fda762bffcb"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a03be4ff948db701b77cc0fda762bffcb">L4Re::Vfs::Be_file::writev</a></div><div class="ttdeci">ssize_t writev(const struct iovec *, int) noexcept override</div><div class="ttdoc">Default backend for POSIX write and writev functions.</div><div class="ttdef"><b>Definition</b> <a href="#l00055">backend:55</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a03f650bebfa88e37ca20eda790079a19"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a03f650bebfa88e37ca20eda790079a19">L4Re::Vfs::Be_file::unlink</a></div><div class="ttdeci">int unlink(const char *) noexcept override</div><div class="ttdoc">Default backend for POSIX unlink, unlinkat.</div><div class="ttdef"><b>Definition</b> <a href="#l00134">backend:134</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a0d88f0d431fbd2c748287e97d8aeff1d"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a0d88f0d431fbd2c748287e97d8aeff1d">L4Re::Vfs::Be_file::fchmodat</a></div><div class="ttdeci">int fchmodat(const char *, mode_t, int) noexcept override</div><div class="ttdoc">Default backend for POSIX fchmodat function.</div><div class="ttdef"><b>Definition</b> <a href="#l00114">backend:114</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a1c9e92c920f8879cd0efcb532a7b5e8e"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a1c9e92c920f8879cd0efcb532a7b5e8e">L4Re::Vfs::Be_file::ioctl</a></div><div class="ttdeci">int ioctl(unsigned long, va_list) noexcept override</div><div class="ttdoc">Default backend for POSIX ioctl.</div><div class="ttdef"><b>Definition</b> <a href="#l00083">backend:83</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a1caf5af09421927a0d75601375eb5f39"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a1caf5af09421927a0d75601375eb5f39">L4Re::Vfs::Be_file::utimensat</a></div><div class="ttdeci">int utimensat(const char *, const struct timespec[2], int) noexcept override</div><div class="ttdoc">Default backend for POSIX utimensat.</div><div class="ttdef"><b>Definition</b> <a href="#l00126">backend:126</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a21a57e87a648ee022f18ada16fb2a904"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a21a57e87a648ee022f18ada16fb2a904">L4Re::Vfs::Be_file::unlock_all_locks</a></div><div class="ttdeci">int unlock_all_locks() noexcept override</div><div class="ttdoc">Unlock all locks on the file.</div><div class="ttdef"><b>Definition</b> <a href="#l00043">backend:43</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a21eb685967c70248570b53204922e331"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a21eb685967c70248570b53204922e331">L4Re::Vfs::Be_file::check_ready</a></div><div class="ttdeci">bool check_ready(Ready_type) noexcept override</div><div class="ttdoc">Default implementation of a readiness check.</div><div class="ttdef"><b>Definition</b> <a href="#l00217">backend:217</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a3160289c122b5c0e1cb1c966b7299387"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a3160289c122b5c0e1cb1c966b7299387">L4Re::Vfs::Be_file::preadv</a></div><div class="ttdeci">ssize_t preadv(const struct iovec *, int, off64_t) noexcept override</div><div class="ttdoc">Default backend for POSIX pread and preadv functions.</div><div class="ttdef"><b>Definition</b> <a href="#l00063">backend:63</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a3a4dfdee8317df329e51c7de895213f1"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a3a4dfdee8317df329e51c7de895213f1">L4Re::Vfs::Be_file::rmdir</a></div><div class="ttdeci">int rmdir(const char *) noexcept override</div><div class="ttdoc">Default backend for POSIX rmdir, rmdirat.</div><div class="ttdef"><b>Definition</b> <a href="#l00150">backend:150</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a3c14980fa78107117cc40e37a7cdb583"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a3c14980fa78107117cc40e37a7cdb583">L4Re::Vfs::Be_file::utimes</a></div><div class="ttdeci">int utimes(const struct timeval[2]) noexcept override</div><div class="ttdoc">Default backend for POSIX utimes.</div><div class="ttdef"><b>Definition</b> <a href="#l00122">backend:122</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a4acb694e64c9728a88b3d2a0338be4dc"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a4acb694e64c9728a88b3d2a0338be4dc">L4Re::Vfs::Be_file::set_status_flags</a></div><div class="ttdeci">int set_status_flags(long) noexcept override</div><div class="ttdoc">Default backend for POSIX fcntl subfunctions.</div><div class="ttdef"><b>Definition</b> <a href="#l00098">backend:98</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a4c42127b96e6fd953b08967433c8d417"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a4c42127b96e6fd953b08967433c8d417">L4Re::Vfs::Be_file::pwritev</a></div><div class="ttdeci">ssize_t pwritev(const struct iovec *, int, off64_t) noexcept override</div><div class="ttdoc">Default backend for POSIX pwrite and pwritev functions.</div><div class="ttdef"><b>Definition</b> <a href="#l00059">backend:59</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a5acbef1e5329330ad4162bbdb108ff2e"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a5acbef1e5329330ad4162bbdb108ff2e">L4Re::Vfs::Be_file::readv</a></div><div class="ttdeci">ssize_t readv(const struct iovec *, int) noexcept override</div><div class="ttdoc">Default backend for POSIX read and readv functions.</div><div class="ttdef"><b>Definition</b> <a href="#l00051">backend:51</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a6178755734c578be547a04e5e5aeb0c3"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a6178755734c578be547a04e5e5aeb0c3">L4Re::Vfs::Be_file::fsync</a></div><div class="ttdeci">int fsync() const noexcept override</div><div class="ttdoc">Default backend for POSIX fsync.</div><div class="ttdef"><b>Definition</b> <a href="#l00075">backend:75</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a65213ffe243e3afc9dbf974625fdba67"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a65213ffe243e3afc9dbf974625fdba67">L4Re::Vfs::Be_file::mkdir</a></div><div class="ttdeci">int mkdir(const char *, mode_t) noexcept override</div><div class="ttdoc">Default backend for POSIX mkdir and mkdirat.</div><div class="ttdef"><b>Definition</b> <a href="#l00130">backend:130</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a694345800211b9b1b81b8c7f274afaaf"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a694345800211b9b1b81b8c7f274afaaf">L4Re::Vfs::Be_file::fchmod</a></div><div class="ttdeci">int fchmod(mode_t) noexcept override</div><div class="ttdoc">Default backend for POSIX chmod and fchmod.</div><div class="ttdef"><b>Definition</b> <a href="#l00090">backend:90</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a7b32030d6132a2a06bcd7f2ae4a5f83f"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a7b32030d6132a2a06bcd7f2ae4a5f83f">L4Re::Vfs::Be_file::set_lock</a></div><div class="ttdeci">int set_lock(struct flock64 *, bool) noexcept override</div><div class="ttdoc">Default backend for POSIX fcntl subfunctions.</div><div class="ttdef"><b>Definition</b> <a href="#l00106">backend:106</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a7ee8dd388f6da0ca322c51028f41e3d9"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a7ee8dd388f6da0ca322c51028f41e3d9">L4Re::Vfs::Be_file::lseek</a></div><div class="ttdeci">off64_t lseek(off64_t, int) noexcept override</div><div class="ttdoc">Default backend for POSIX seek and lseek functions.</div><div class="ttdef"><b>Definition</b> <a href="#l00067">backend:67</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a810339746585a19ccfecd2225cbbc3b4"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a810339746585a19ccfecd2225cbbc3b4">L4Re::Vfs::Be_file::get_status_flags</a></div><div class="ttdeci">int get_status_flags() const noexcept override</div><div class="ttdoc">Default backend for POSIX fcntl subfunctions.</div><div class="ttdef"><b>Definition</b> <a href="#l00094">backend:94</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a87716aafa0ceacf461c7483d1e3e1ded"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a87716aafa0ceacf461c7483d1e3e1ded">L4Re::Vfs::Be_file::ftruncate</a></div><div class="ttdeci">int ftruncate(off64_t) noexcept override</div><div class="ttdoc">Default backend for the POSIX truncate, ftruncate and similar functions.</div><div class="ttdef"><b>Definition</b> <a href="#l00071">backend:71</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a8bf7376f3f3ef25d46bc93306912c84e"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a8bf7376f3f3ef25d46bc93306912c84e">L4Re::Vfs::Be_file::fdatasync</a></div><div class="ttdeci">int fdatasync() const noexcept override</div><div class="ttdoc">Default backend for POSIX fdatasync.</div><div class="ttdef"><b>Definition</b> <a href="#l00079">backend:79</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_a9996dd89077d89b9c1a469495a9e670f"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#a9996dd89077d89b9c1a469495a9e670f">L4Re::Vfs::Be_file::symlink</a></div><div class="ttdeci">int symlink(const char *, const char *) noexcept override</div><div class="ttdoc">Default backend for POSIX symlink, symlinkat.</div><div class="ttdef"><b>Definition</b> <a href="#l00146">backend:146</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_aa288bb0d3f71593953dbae5883517116"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#aa288bb0d3f71593953dbae5883517116">L4Re::Vfs::Be_file::data_space</a></div><div class="ttdeci">L4::Cap&lt; L4Re::Dataspace &gt; data_space() noexcept override</div><div class="ttdoc">Get an L4Re::Dataspace object for the file.</div><div class="ttdef"><b>Definition</b> <a href="#l00047">backend:47</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_aa5446b1903d7964fcd0d9ea98e68a7d5"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#aa5446b1903d7964fcd0d9ea98e68a7d5">L4Re::Vfs::Be_file::utime</a></div><div class="ttdeci">int utime(const struct utimbuf *) noexcept override</div><div class="ttdoc">Default backend for POSIX utime.</div><div class="ttdef"><b>Definition</b> <a href="#l00118">backend:118</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_aa76b2e8295ba688c3289f417053ce6d4"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#aa76b2e8295ba688c3289f417053ce6d4">L4Re::Vfs::Be_file::rename</a></div><div class="ttdeci">int rename(const char *, const char *) noexcept override</div><div class="ttdoc">Default backend for POSIX rename, renameat.</div><div class="ttdef"><b>Definition</b> <a href="#l00138">backend:138</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_acf463260efb5c95a8741f5f3b3279af7"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#acf463260efb5c95a8741f5f3b3279af7">L4Re::Vfs::Be_file::get_lock</a></div><div class="ttdeci">int get_lock(struct flock64 *) noexcept override</div><div class="ttdoc">Default backend for POSIX fcntl subfunctions.</div><div class="ttdef"><b>Definition</b> <a href="#l00102">backend:102</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_ae771a2ee5bafce77b4f91c9740d01fa2"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#ae771a2ee5bafce77b4f91c9740d01fa2">L4Re::Vfs::Be_file::fstat</a></div><div class="ttdeci">int fstat(struct stat64 *) const noexcept override</div><div class="ttdoc">Get status information for the file.</div><div class="ttdef"><b>Definition</b> <a href="#l00086">backend:86</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_af32a6487856bdec8f406af5c22f846a0"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#af32a6487856bdec8f406af5c22f846a0">L4Re::Vfs::Be_file::link</a></div><div class="ttdeci">int link(const char *, const char *) noexcept override</div><div class="ttdoc">Default backend for POSIX link, linkat.</div><div class="ttdef"><b>Definition</b> <a href="#l00142">backend:142</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Be__file_html_aff46baca1251a6f369c879ce09639725"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Be__file.html#aff46baca1251a6f369c879ce09639725">L4Re::Vfs::Be_file::readlink</a></div><div class="ttdeci">ssize_t readlink(char *, size_t) override</div><div class="ttdoc">Default backend for POSIX readlink, readlinkat.</div><div class="ttdef"><b>Definition</b> <a href="#l00154">backend:154</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1File_html"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1File.html">L4Re::Vfs::File</a></div><div class="ttdoc">The basic interface for an open POSIX file.</div><div class="ttdef"><b>Definition</b> <a href="vfs_8h_source.html#l00455">vfs.h:461</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Generic__file_html_ac2d79d9ed8c826b28e1abd98bc1659f9"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Generic__file.html#ac2d79d9ed8c826b28e1abd98bc1659f9">L4Re::Vfs::Generic_file::Ready_type</a></div><div class="ttdeci">Ready_type</div><div class="ttdoc">Type of I/O operation/condition a file can indicate readiness.</div><div class="ttdef"><b>Definition</b> <a href="vfs_8h_source.html#l00060">vfs.h:61</a></div></div>
<div class="ttc" id="aclassL4Re_1_1Vfs_1_1Ops_html"><div class="ttname"><a href="classL4Re_1_1Vfs_1_1Ops.html">L4Re::Vfs::Ops</a></div><div class="ttdoc">Interface for the POSIX backends of an application.</div><div class="ttdef"><b>Definition</b> <a href="vfs_8h_source.html#l01109">vfs.h:1110</a></div></div>
<div class="ttc" id="aclassL4_1_1Cap__base_html_ac74dbedb04347341ba30ece923c12fe7af425c8e16afcd760ecb1f30bd6c1437a"><div class="ttname"><a href="classL4_1_1Cap__base.html#ac74dbedb04347341ba30ece923c12fe7af425c8e16afcd760ecb1f30bd6c1437a">L4::Cap_base::Invalid</a></div><div class="ttdeci">@ Invalid</div><div class="ttdoc">Invalid capability selector.</div><div class="ttdef"><b>Definition</b> <a href="capability_8h_source.html#l00042">capability.h:42</a></div></div>
<div class="ttc" id="aclassL4_1_1Cap_html"><div class="ttname"><a href="classL4_1_1Cap.html">L4::Cap</a></div><div class="ttdoc">C++ interface for capabilities.</div><div class="ttdef"><b>Definition</b> <a href="capability_8h_source.html#l00223">capability.h:224</a></div></div>
<div class="ttc" id="aclasscxx_1_1Ref__ptr_html"><div class="ttname"><a href="classcxx_1_1Ref__ptr.html">cxx::Ref_ptr</a></div><div class="ttdoc">A reference-counting pointer with automatic cleanup.</div><div class="ttdef"><b>Definition</b> <a href="ref__ptr_source.html#l00070">ref_ptr:71</a></div></div>
<div class="ttc" id="anamespaceL4Re_1_1Vfs_html"><div class="ttname"><a href="namespaceL4Re_1_1Vfs.html">L4Re::Vfs</a></div><div class="ttdoc">Virtual file system for interfaces in POSIX libc.</div><div class="ttdef"><b>Definition</b> <a href="#l00016">backend:16</a></div></div>
<div class="ttc" id="anamespaceL4Re_html"><div class="ttname"><a href="namespaceL4Re.html">L4Re</a></div><div class="ttdoc">L4Re C++ Interfaces.</div><div class="ttdef"><b>Definition</b> <a href="cmd__control_source.html#l00014">cmd_control:14</a></div></div>
<div class="ttc" id="anamespacecxx_html"><div class="ttname"><a href="namespacecxx.html">cxx</a></div><div class="ttdoc">Our C++ library.</div><div class="ttdef"><b>Definition</b> <a href="arith_source.html#l00011">arith:11</a></div></div>
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