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<li class="navelem"><a class="el" href="dir_281f53b0585bbce1fd83a908d8484c02.html">fuse-3.9.0</a></li><li class="navelem"><a class="el" href="dir_01e16e26925cc1206434d637cb71a012.html">lib</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> CUSE: Character device in Userspace</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Copyright (C) 2008 SUSE Linux Products GmbH</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> Copyright (C) 2008 Tejun Heo <teheo@suse.de></span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> This program can be distributed under the terms of the GNU LGPLv2.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> See the file COPYING.LIB.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">*/</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "config.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "cuse_lowlevel.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "fuse_kernel.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "fuse_i.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "fuse_opt.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include <stdio.h></span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <string.h></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include <stdlib.h></span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <stddef.h></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include <errno.h></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="preprocessor">#include <unistd.h></span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword">struct </span>cuse_data {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">struct </span>cuse_lowlevel_ops clop;</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordtype">unsigned</span> max_read;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">unsigned</span> dev_major;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">unsigned</span> dev_minor;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordtype">unsigned</span> flags;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordtype">unsigned</span> dev_info_len;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordtype">char</span> dev_info[];</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> };</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">static</span> <span class="keyword">struct </span>cuse_lowlevel_ops *req_clop(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> &req->se->cuse_data->clop;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> }</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cuse_fll_open(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino,</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  (void)ino;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  req_clop(req)->open(req, fi);</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cuse_fll_read(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino, <span class="keywordtype">size_t</span> size,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  off_t off, <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  (void)ino;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  req_clop(req)->read(req, size, off, fi);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cuse_fll_write(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino, <span class="keyword">const</span> <span class="keywordtype">char</span> *buf,</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">size_t</span> size, off_t off, <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  (void)ino;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  req_clop(req)->write(req, buf, size, off, fi);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cuse_fll_flush(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  (void)ino;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  req_clop(req)->flush(req, fi);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cuse_fll_release(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> {</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  (void)ino;</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  req_clop(req)->release(req, fi);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cuse_fll_fsync(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino, <span class="keywordtype">int</span> datasync,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi)</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  (void)ino;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  req_clop(req)->fsync(req, datasync, fi);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cuse_fll_ioctl(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> cmd, <span class="keywordtype">void</span> *arg,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> <span class="keywordtype">void</span> *in_buf, <span class="keywordtype">size_t</span> in_bufsz, <span class="keywordtype">size_t</span> out_bufsz)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  (void)ino;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  req_clop(req)->ioctl(req, cmd, arg, fi, flags, in_buf, in_bufsz,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  out_bufsz);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword">static</span> <span class="keywordtype">void</span> cuse_fll_poll(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi, <span class="keyword">struct</span> fuse_pollhandle *ph)</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  (void)ino;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  req_clop(req)->poll(req, fi, ph);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="keyword">static</span> <span class="keywordtype">size_t</span> cuse_pack_info(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span> **argv, <span class="keywordtype">char</span> *buf)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">size_t</span> size = 0;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">int</span> i;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">for</span> (i = 0; i < argc; i++) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">size_t</span> len;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  len = strlen(argv[i]) + 1;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  size += len;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (buf) {</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  memcpy(buf, argv[i], len);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  buf += len;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">return</span> size;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">static</span> <span class="keyword">struct </span>cuse_data *cuse_prep_data(<span class="keyword">const</span> <span class="keyword">struct</span> cuse_info *ci,</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">const</span> <span class="keyword">struct</span> cuse_lowlevel_ops *clop)</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">struct </span>cuse_data *cd;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">size_t</span> dev_info_len;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  dev_info_len = cuse_pack_info(ci->dev_info_argc, ci->dev_info_argv,</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  NULL);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (dev_info_len > CUSE_INIT_INFO_MAX) {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_ERR, <span class="stringliteral">"cuse: dev_info (%zu) too large, limit=%u\n"</span>,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  dev_info_len, CUSE_INIT_INFO_MAX);</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  cd = calloc(1, <span class="keyword">sizeof</span>(*cd) + dev_info_len);</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (!cd) {</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_ERR, <span class="stringliteral">"cuse: failed to allocate cuse_data\n"</span>);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  memcpy(&cd->clop, clop, <span class="keyword">sizeof</span>(cd->clop));</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  cd->max_read = 131072;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  cd->dev_major = ci->dev_major;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  cd->dev_minor = ci->dev_minor;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  cd->dev_info_len = dev_info_len;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  cd->flags = ci->flags;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  cuse_pack_info(ci->dev_info_argc, ci->dev_info_argv, cd->dev_info);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> cd;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> </div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="keyword">struct </span>fuse_session *cuse_lowlevel_new(<span class="keyword">struct</span> <a class="code" href="structfuse__args.html">fuse_args</a> *args,</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <span class="keyword">struct</span> cuse_info *ci,</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> <span class="keyword">struct</span> cuse_lowlevel_ops *clop,</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">void</span> *userdata)</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">struct </span><a class="code" href="structfuse__lowlevel__ops.html">fuse_lowlevel_ops</a> lop;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keyword">struct </span>cuse_data *cd;</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">struct </span>fuse_session *se;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  cd = cuse_prep_data(ci, clop);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (!cd)</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  memset(&lop, 0, <span class="keyword">sizeof</span>(lop));</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  lop.init = clop->init;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  lop.destroy = clop->destroy;</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  lop.open = clop->open ? cuse_fll_open : NULL;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  lop.read = clop->read ? cuse_fll_read : NULL;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  lop.write = clop->write ? cuse_fll_write : NULL;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  lop.flush = clop->flush ? cuse_fll_flush : NULL;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  lop.release = clop->release ? cuse_fll_release : NULL;</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  lop.fsync = clop->fsync ? cuse_fll_fsync : NULL;</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  lop.ioctl = clop->ioctl ? cuse_fll_ioctl : NULL;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  lop.poll = clop->poll ? cuse_fll_poll : NULL;</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  se = <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a9ee52f81d0c63d9bd46b11314ba596cf">fuse_session_new</a>(args, &lop, <span class="keyword">sizeof</span>(lop), userdata);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (!se) {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  free(cd);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  se->cuse_data = cd;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> se;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> }</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">static</span> <span class="keywordtype">int</span> cuse_reply_init(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keyword">struct</span> cuse_init_out *arg,</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordtype">char</span> *dev_info, <span class="keywordtype">unsigned</span> dev_info_len)</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">struct </span>iovec iov[3];</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  iov[1].iov_base = arg;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  iov[1].iov_len = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>cuse_init_out);</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  iov[2].iov_base = dev_info;</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  iov[2].iov_len = dev_info_len;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> </div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> fuse_send_reply_iov_nofree(req, 0, iov, 3);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> </div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="keywordtype">void</span> cuse_lowlevel_init(<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> nodeid, <span class="keyword">const</span> <span class="keywordtype">void</span> *inarg)</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> {</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">struct </span>fuse_init_in *arg = (<span class="keyword">struct </span>fuse_init_in *) inarg;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">struct </span>cuse_init_out outarg;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">struct </span>fuse_session *se = req->se;</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">struct </span>cuse_data *cd = se->cuse_data;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">size_t</span> bufsize = se->bufsize;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keyword">struct </span>cuse_lowlevel_ops *clop = req_clop(req);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  (void) nodeid;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordflow">if</span> (se->debug) {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">"CUSE_INIT: %u.%u\n"</span>, arg->major, arg->minor);</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">"flags=0x%08x\n"</span>, arg->flags);</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  se->conn.proto_major = arg->major;</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  se->conn.proto_minor = arg->minor;</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  se->conn.capable = 0;</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  se->conn.want = 0;</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">if</span> (arg->major < 7) {</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_ERR, <span class="stringliteral">"cuse: unsupported protocol version: %u.%u\n"</span>,</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  arg->major, arg->minor);</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, EPROTO);</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keywordflow">if</span> (bufsize < FUSE_MIN_READ_BUFFER) {</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_ERR, <span class="stringliteral">"cuse: warning: buffer size too small: %zu\n"</span>,</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  bufsize);</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  bufsize = FUSE_MIN_READ_BUFFER;</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> </div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  bufsize -= 4096;</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">if</span> (bufsize < se->conn.max_write)</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  se->conn.max_write = bufsize;</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  se->got_init = 1;</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">if</span> (se->op.init)</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  se->op.init(se->userdata, &se->conn);</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  memset(&outarg, 0, <span class="keyword">sizeof</span>(outarg));</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  outarg.major = FUSE_KERNEL_VERSION;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  outarg.minor = FUSE_KERNEL_MINOR_VERSION;</div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  outarg.flags = cd->flags;</div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  outarg.max_read = cd->max_read;</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  outarg.max_write = se->conn.max_write;</div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  outarg.dev_major = cd->dev_major;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  outarg.dev_minor = cd->dev_minor;</div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">if</span> (se->debug) {</div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">" CUSE_INIT: %u.%u\n"</span>,</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  outarg.major, outarg.minor);</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">" flags=0x%08x\n"</span>, outarg.flags);</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">" max_read=0x%08x\n"</span>, outarg.max_read);</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">" max_write=0x%08x\n"</span>, outarg.max_write);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">" dev_major=%u\n"</span>, outarg.dev_major);</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">" dev_minor=%u\n"</span>, outarg.dev_minor);</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_DEBUG, <span class="stringliteral">" dev_info: %.*s\n"</span>, cd->dev_info_len,</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  cd->dev_info);</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  cuse_reply_init(req, &outarg, cd->dev_info, cd->dev_info_len);</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="keywordflow">if</span> (clop->init_done)</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  clop->init_done(se->userdata);</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  fuse_free_req(req);</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> }</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> </div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="keyword">struct </span>fuse_session *cuse_lowlevel_setup(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[],</div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  <span class="keyword">const</span> <span class="keyword">struct</span> cuse_info *ci,</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">const</span> <span class="keyword">struct</span> cuse_lowlevel_ops *clop,</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordtype">int</span> *multithreaded, <span class="keywordtype">void</span> *userdata)</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span> {</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *devname = <span class="stringliteral">"/dev/cuse"</span>;</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structfuse__opt.html">fuse_opt</a> kill_subtype_opts[] = {</div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a371d830a8aedd9e3f96d9bb31876a8f1">FUSE_OPT_KEY</a>(<span class="stringliteral">"subtype="</span>, <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a6e97b6ce492f1baaaf0a4eb4970c9a2f">FUSE_OPT_KEY_DISCARD</a>),</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#aca35962e17d189ceb5447f8eea11bd33">FUSE_OPT_END</a></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  };</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keyword">struct </span><a class="code" href="structfuse__args.html">fuse_args</a> args = <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a9bea40fe56b18be9aa110185ab7387ed">FUSE_ARGS_INIT</a>(argc, argv);</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keyword">struct </span>fuse_session *se;</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">struct </span>fuse_cmdline_opts opts;</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordtype">int</span> fd;</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordtype">int</span> res;</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> </div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="keywordflow">if</span> (<a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a8421a0cb3b6fb7013c7272c6997d1e08">fuse_parse_cmdline</a>(&args, &opts) == -1)</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  *multithreaded = !opts.singlethread;</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="comment">/* Remove subtype= option */</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  res = <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse</a>(&args, NULL, kill_subtype_opts, NULL);</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">if</span> (res == -1)</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">goto</span> out1;</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="comment">/*</span></div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * Make sure file descriptors 0, 1 and 2 are open, otherwise chaos</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> * would ensue.</span></div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> */</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">do</span> {</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  fd = open(<span class="stringliteral">"/dev/null"</span>, O_RDWR);</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keywordflow">if</span> (fd > 2)</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  close(fd);</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  } <span class="keywordflow">while</span> (fd >= 0 && fd <= 2);</div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  se = cuse_lowlevel_new(&args, ci, clop, userdata);</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">if</span> (se == NULL)</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="keywordflow">goto</span> out1;</div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  fd = open(devname, O_RDWR);</div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="keywordflow">if</span> (fd == -1) {</div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="keywordflow">if</span> (errno == ENODEV || errno == ENOENT)</div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_ERR, <span class="stringliteral">"cuse: device not found, try 'modprobe cuse' first\n"</span>);</div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a>(FUSE_LOG_ERR, <span class="stringliteral">"cuse: failed to open %s: %s\n"</span>,</div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  devname, strerror(errno));</div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">goto</span> err_se;</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  }</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  se->fd = fd;</div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> </div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  res = <a class="code" href="fuse-3_88_80_2include_2fuse__common_8h.html#a292dccc3c7b1799cb054efa2ba0c774b">fuse_set_signal_handlers</a>(se);</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keywordflow">if</span> (res == -1)</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">goto</span> err_se;</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span> </div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  res = <a class="code" href="fuse-3_88_80_2include_2fuse__common_8h.html#af1857d2209952f49a762aff39f3cd8bd">fuse_daemonize</a>(opts.foreground);</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="keywordflow">if</span> (res == -1)</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">goto</span> err_sig;</div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> </div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a2cdf272429ab3869a5162976141b287d">fuse_opt_free_args</a>(&args);</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">return</span> se;</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> err_sig:</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__common_8h.html#aeb674bbc11074c4fe520b952d6bfdd30">fuse_remove_signal_handlers</a>(se);</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> err_se:</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a08b5503c4e9656f9c4bc88331233cc65">fuse_session_destroy</a>(se);</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> out1:</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  free(opts.mountpoint);</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__opt_8h.html#a2cdf272429ab3869a5162976141b287d">fuse_opt_free_args</a>(&args);</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">return</span> NULL;</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> }</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span> </div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> <span class="keywordtype">void</span> cuse_lowlevel_teardown(<span class="keyword">struct</span> fuse_session *se)</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span> {</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__common_8h.html#aeb674bbc11074c4fe520b952d6bfdd30">fuse_remove_signal_handlers</a>(se);</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a08b5503c4e9656f9c4bc88331233cc65">fuse_session_destroy</a>(se);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> }</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> </div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="keywordtype">int</span> cuse_lowlevel_main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[], <span class="keyword">const</span> <span class="keyword">struct</span> cuse_info *ci,</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="keyword">const</span> <span class="keyword">struct</span> cuse_lowlevel_ops *clop, <span class="keywordtype">void</span> *userdata)</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span> {</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keyword">struct </span>fuse_session *se;</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="keywordtype">int</span> multithreaded;</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordtype">int</span> res;</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> </div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  se = cuse_lowlevel_setup(argc, argv, ci, clop, &multithreaded,</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  userdata);</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">if</span> (se == NULL)</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> </div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">if</span> (multithreaded) {</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keyword">struct </span><a class="code" href="structfuse__loop__config.html">fuse_loop_config</a> config;</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  config.<a class="code" href="structfuse__loop__config.html#a6a8527939446625e5466cd8baf399f08">clone_fd</a> = 0;</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  config.max_idle_threads = 10;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  res = fuse_session_loop_mt_32(se, &config);</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  res = <a class="code" href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a5f1e538aa3287e251afbe985438c4249">fuse_session_loop</a>(se);</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span> </div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  cuse_lowlevel_teardown(se);</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">if</span> (res == -1)</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> 1;</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> </div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> }</div><div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a539ef1f571c34f516c60c4cbe2901c0e"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse</a></div><div class="ttdeci">int fuse_opt_parse(struct fuse_args *args, void *data, const struct fuse_opt opts[], fuse_opt_proc_t proc)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__opt_8c_source.html#l00398">fuse_opt.c:398</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a33e2aa4a8905a05397292ae047cd2257"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a></div><div class="ttdeci">struct fuse_req * fuse_req_t</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__lowlevel_8h_source.html#l00049">fuse_lowlevel.h:49</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__common_8h_html_a292dccc3c7b1799cb054efa2ba0c774b"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__common_8h.html#a292dccc3c7b1799cb054efa2ba0c774b">fuse_set_signal_handlers</a></div><div class="ttdeci">int fuse_set_signal_handlers(struct fuse_session *se)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__signals_8c_source.html#l00062">fuse_signals.c:62</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a9bea40fe56b18be9aa110185ab7387ed"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a9bea40fe56b18be9aa110185ab7387ed">FUSE_ARGS_INIT</a></div><div class="ttdeci">#define FUSE_ARGS_INIT(argc, argv)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00123">fuse_opt.h:123</a></div></div>
<div class="ttc" id="structfuse__file__info_html"><div class="ttname"><a href="structfuse__file__info.html">fuse_file_info</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__common_8h_source.html#l00044">fuse_common.h:44</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a5f1e538aa3287e251afbe985438c4249"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a5f1e538aa3287e251afbe985438c4249">fuse_session_loop</a></div><div class="ttdeci">int fuse_session_loop(struct fuse_session *se)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__loop_8c_source.html#l00019">fuse_loop.c:19</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a6e97b6ce492f1baaaf0a4eb4970c9a2f"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a6e97b6ce492f1baaaf0a4eb4970c9a2f">FUSE_OPT_KEY_DISCARD</a></div><div class="ttdeci">#define FUSE_OPT_KEY_DISCARD</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00153">fuse_opt.h:153</a></div></div>
<div class="ttc" id="structfuse__loop__config_html"><div class="ttname"><a href="structfuse__loop__config.html">fuse_loop_config</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__common_8h_source.html#l00107">fuse_common.h:107</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a8421a0cb3b6fb7013c7272c6997d1e08"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a8421a0cb3b6fb7013c7272c6997d1e08">fuse_parse_cmdline</a></div><div class="ttdeci">int fuse_parse_cmdline(struct fuse_args *args, struct fuse_cmdline_opts *opts)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2helper_8c_source.html#l00202">helper.c:202</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a9ee52f81d0c63d9bd46b11314ba596cf"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a9ee52f81d0c63d9bd46b11314ba596cf">fuse_session_new</a></div><div class="ttdeci">struct fuse_session * fuse_session_new(struct fuse_args *args, const struct fuse_lowlevel_ops *op, size_t op_size, void *userdata)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l02886">fuse_lowlevel.c:2886</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__common_8h_html_aeb674bbc11074c4fe520b952d6bfdd30"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__common_8h.html#aeb674bbc11074c4fe520b952d6bfdd30">fuse_remove_signal_handlers</a></div><div class="ttdeci">void fuse_remove_signal_handlers(struct fuse_session *se)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__signals_8c_source.html#l00079">fuse_signals.c:79</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_aca35962e17d189ceb5447f8eea11bd33"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#aca35962e17d189ceb5447f8eea11bd33">FUSE_OPT_END</a></div><div class="ttdeci">#define FUSE_OPT_END</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00104">fuse_opt.h:104</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a2553c03f9a63c75e609e67f90a3a5d88"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a></div><div class="ttdeci">int fuse_reply_err(fuse_req_t req, int err)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l00312">fuse_lowlevel.c:312</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a2cdf272429ab3869a5162976141b287d"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a2cdf272429ab3869a5162976141b287d">fuse_opt_free_args</a></div><div class="ttdeci">void fuse_opt_free_args(struct fuse_args *args)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__opt_8c_source.html#l00034">fuse_opt.c:34</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__common_8h_html_af1857d2209952f49a762aff39f3cd8bd"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__common_8h.html#af1857d2209952f49a762aff39f3cd8bd">fuse_daemonize</a></div><div class="ttdeci">int fuse_daemonize(int foreground)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2helper_8c_source.html#l00225">helper.c:225</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__opt_8h_html_a371d830a8aedd9e3f96d9bb31876a8f1"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__opt_8h.html#a371d830a8aedd9e3f96d9bb31876a8f1">FUSE_OPT_KEY</a></div><div class="ttdeci">#define FUSE_OPT_KEY(templ, key)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00098">fuse_opt.h:98</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_a08b5503c4e9656f9c4bc88331233cc65"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#a08b5503c4e9656f9c4bc88331233cc65">fuse_session_destroy</a></div><div class="ttdeci">void fuse_session_destroy(struct fuse_session *se)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__lowlevel_8c_source.html#l02700">fuse_lowlevel.c:2700</a></div></div>
<div class="ttc" id="structfuse__lowlevel__ops_html"><div class="ttname"><a href="structfuse__lowlevel__ops.html">fuse_lowlevel_ops</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__lowlevel_8h_source.html#l00172">fuse_lowlevel.h:172</a></div></div>
<div class="ttc" id="structfuse__opt_html"><div class="ttname"><a href="structfuse__opt.html">fuse_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00077">fuse_opt.h:77</a></div></div>
<div class="ttc" id="structfuse__args_html"><div class="ttname"><a href="structfuse__args.html">fuse_args</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__opt_8h_source.html#l00109">fuse_opt.h:109</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__lowlevel_8h_html_ad119a72f00b4cd2e4a500fd3364ae1e2"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a></div><div class="ttdeci">uint64_t fuse_ino_t</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__lowlevel_8h_source.html#l00046">fuse_lowlevel.h:46</a></div></div>
<div class="ttc" id="structfuse__loop__config_html_a6a8527939446625e5466cd8baf399f08"><div class="ttname"><a href="structfuse__loop__config.html#a6a8527939446625e5466cd8baf399f08">fuse_loop_config::clone_fd</a></div><div class="ttdeci">int clone_fd</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2include_2fuse__common_8h_source.html#l00112">fuse_common.h:112</a></div></div>
<div class="ttc" id="fuse-3_88_80_2include_2fuse__log_8h_html_a4506ffd6ed3a631e01999b32b1eb8621"><div class="ttname"><a href="fuse-3_88_80_2include_2fuse__log_8h.html#a4506ffd6ed3a631e01999b32b1eb8621">fuse_log</a></div><div class="ttdeci">void fuse_log(enum fuse_log_level level, const char *fmt,...)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_88_80_2lib_2fuse__log_8c_source.html#l00033">fuse_log.c:33</a></div></div>
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