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<div class="title">notify_store_retrieve.c File Reference</div> </div>
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<div class="textblock"><code>#include <fuse_lowlevel.h></code><br />
<code>#include <stdio.h></code><br />
<code>#include <stdlib.h></code><br />
<code>#include <string.h></code><br />
<code>#include <errno.h></code><br />
<code>#include <fcntl.h></code><br />
<code>#include <assert.h></code><br />
<code>#include <stddef.h></code><br />
<code>#include <unistd.h></code><br />
<code>#include <pthread.h></code><br />
</div>
<p><a href="example_2notify__store__retrieve_8c_source.html">Go to the source code of this file.</a></p>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This example implements a file system with a single file whose contents change dynamically: it always contains the current time.</p>
<p>While notify_inval_inode.c uses <a class="el" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a9cb974af9745294ff446d11cba2422f1">fuse_lowlevel_notify_inval_inode()</a> to let the kernel know that it has to invalidate the cache, this example actively pushes the updated data into the kernel cache using <a class="el" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#af856725ed4a13ed7c17512554043edbc">fuse_lowlevel_notify_store()</a>.</p>
<p>To see the effect, first start the file system with the <code>--no-notify</code> option: </p><pre class="fragment">$ notify_store_retrieve --update-interval=1 --no-notify mnt/
</pre><p> Observe that the output never changes, even though the file system updates it once per second. This is because the contents are cached in the kernel: </p><pre class="fragment">$ for i in 1 2 3 4 5; do
> cat mnt/current_time
> sleep 1
> done
The current time is 15:58:18
The current time is 15:58:18
The current time is 15:58:18
The current time is 15:58:18
The current time is 15:58:18
</pre><p> If you instead enable the notification functions, the changes become visible: </p><pre class="fragment">$ notify_store_retrieve --update-interval=1 mnt/
$ for i in 1 2 3 4 5; do
> cat mnt/current_time
> sleep 1
> done
The current time is 15:58:40
The current time is 15:58:41
The current time is 15:58:42
The current time is 15:58:43
The current time is 15:58:44
</pre> <h2><a class="anchor" id="autotoc_md15"></a>
Compilation</h2>
<pre class="fragment">gcc -Wall notify_store_retrieve.c `pkg-config fuse3 --cflags --libs` -o notify_store_retrieve
</pre> <h2><a class="anchor" id="autotoc_md16"></a>
Source code</h2>
<div class="fragment"><div class="line"><span class="comment">/*</span></div>
<div class="line"><span class="comment"> FUSE: Filesystem in Userspace</span></div>
<div class="line"><span class="comment"> Copyright (C) 2016 Nikolaus Rath <Nikolaus@rath.org></span></div>
<div class="line"><span class="comment"></span> </div>
<div class="line"><span class="comment"> This program can be distributed under the terms of the GNU GPLv2.</span></div>
<div class="line"><span class="comment"> See the file COPYING.</span></div>
<div class="line"><span class="comment">*/</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#define FUSE_USE_VERSION 34</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#include <fuse_lowlevel.h></span></div>
<div class="line"><span class="preprocessor">#include <stdio.h></span></div>
<div class="line"><span class="preprocessor">#include <stdlib.h></span></div>
<div class="line"><span class="preprocessor">#include <string.h></span></div>
<div class="line"><span class="preprocessor">#include <errno.h></span></div>
<div class="line"><span class="preprocessor">#include <fcntl.h></span></div>
<div class="line"><span class="preprocessor">#include <assert.h></span></div>
<div class="line"><span class="preprocessor">#include <stddef.h></span></div>
<div class="line"><span class="preprocessor">#include <unistd.h></span></div>
<div class="line"><span class="preprocessor">#include <pthread.h></span></div>
<div class="line"> </div>
<div class="line"><span class="comment">/* We can't actually tell the kernel that there is no</span></div>
<div class="line"><span class="comment"> timeout, so we just send a big value */</span></div>
<div class="line"><span class="preprocessor">#define NO_TIMEOUT 500000</span></div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#define MAX_STR_LEN 128</span></div>
<div class="line"><span class="preprocessor">#define FILE_INO 2</span></div>
<div class="line"><span class="preprocessor">#define FILE_NAME "current_time"</span></div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">char</span> file_contents[MAX_STR_LEN];</div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">int</span> lookup_cnt = 0;</div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">size_t</span> file_size;</div>
<div class="line"> </div>
<div class="line"><span class="comment">/* Keep track if we ever stored data (==1), and</span></div>
<div class="line"><span class="comment"> received it back correctly (==2) */</span></div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">int</span> retrieve_status = 0;</div>
<div class="line"> </div>
<div class="line"><span class="comment">/* Command line parsing */</span></div>
<div class="line"><span class="keyword">struct </span>options {</div>
<div class="line"> <span class="keywordtype">int</span> no_notify;</div>
<div class="line"> <span class="keywordtype">int</span> update_interval;</div>
<div class="line">};</div>
<div class="line"><span class="keyword">static</span> <span class="keyword">struct </span>options options = {</div>
<div class="line"> .no_notify = 0,</div>
<div class="line"> .update_interval = 1,</div>
<div class="line">};</div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#define OPTION(t, p) \</span></div>
<div class="line"><span class="preprocessor"> { t, offsetof(struct options, p), 1 }</span></div>
<div class="line"><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> option_spec[] = {</div>
<div class="line"> OPTION(<span class="stringliteral">"--no-notify"</span>, no_notify),</div>
<div class="line"> OPTION(<span class="stringliteral">"--update-interval=%d"</span>, update_interval),</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__opt_8h.html#aca35962e17d189ceb5447f8eea11bd33">FUSE_OPT_END</a></div>
<div class="line">};</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">int</span> tfs_stat(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino, <span class="keyword">struct</span> stat *stbuf) {</div>
<div class="line"> stbuf->st_ino = ino;</div>
<div class="line"> <span class="keywordflow">if</span> (ino == <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a14d7299559cf05272b838cfc6388ef91">FUSE_ROOT_ID</a>) {</div>
<div class="line"> stbuf->st_mode = S_IFDIR | 0755;</div>
<div class="line"> stbuf->st_nlink = 1;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ino == FILE_INO) {</div>
<div class="line"> stbuf->st_mode = S_IFREG | 0444;</div>
<div class="line"> stbuf->st_nlink = 1;</div>
<div class="line"> stbuf->st_size = file_size;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> <span class="keywordflow">return</span> -1;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> 0;</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> tfs_lookup(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> parent,</div>
<div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *name) {</div>
<div class="line"> <span class="keyword">struct </span><a class="code" href="structfuse__entry__param.html">fuse_entry_param</a> e;</div>
<div class="line"> memset(&e, 0, <span class="keyword">sizeof</span>(e));</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (parent != <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a14d7299559cf05272b838cfc6388ef91">FUSE_ROOT_ID</a>)</div>
<div class="line"> <span class="keywordflow">goto</span> err_out;</div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strcmp(name, FILE_NAME) == 0) {</div>
<div class="line"> e.ino = FILE_INO;</div>
<div class="line"> lookup_cnt++;</div>
<div class="line"> } <span class="keywordflow">else</span></div>
<div class="line"> <span class="keywordflow">goto</span> err_out;</div>
<div class="line"> </div>
<div class="line"> e.attr_timeout = NO_TIMEOUT;</div>
<div class="line"> e.entry_timeout = NO_TIMEOUT;</div>
<div class="line"> <span class="keywordflow">if</span> (tfs_stat(e.ino, &e.attr) != 0)</div>
<div class="line"> <span class="keywordflow">goto</span> err_out;</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a672c45e126cd240f4bcd59bf9b7e3708">fuse_reply_entry</a>(req, &e);</div>
<div class="line"> <span class="keywordflow">return</span>;</div>
<div class="line"> </div>
<div class="line">err_out:</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, ENOENT);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> tfs_forget (<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> <a class="code" href="structfuse__entry__param.html#a285ba89754871772d940fa4fb736bce3">ino</a>,</div>
<div class="line"> uint64_t nlookup) {</div>
<div class="line"> (void) req;</div>
<div class="line"> <span class="keywordflow">if</span>(<a class="code" href="structfuse__entry__param.html#a285ba89754871772d940fa4fb736bce3">ino</a> == FILE_INO)</div>
<div class="line"> lookup_cnt -= nlookup;</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> assert(<a class="code" href="structfuse__entry__param.html#a285ba89754871772d940fa4fb736bce3">ino</a> == <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a14d7299559cf05272b838cfc6388ef91">FUSE_ROOT_ID</a>);</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a85ae91390a6704dc26f8d80fed7d5678">fuse_reply_none</a>(req);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> tfs_getattr(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> <a class="code" href="structfuse__entry__param.html#a285ba89754871772d940fa4fb736bce3">ino</a>,</div>
<div class="line"> <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi) {</div>
<div class="line"> <span class="keyword">struct </span>stat stbuf;</div>
<div class="line"> </div>
<div class="line"> (void) fi;</div>
<div class="line"> </div>
<div class="line"> memset(&stbuf, 0, <span class="keyword">sizeof</span>(stbuf));</div>
<div class="line"> <span class="keywordflow">if</span> (tfs_stat(ino, &stbuf) != 0)</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, ENOENT);</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad28378dc569019c32acdb4995d70be18">fuse_reply_attr</a>(req, &stbuf, NO_TIMEOUT);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">struct </span>dirbuf {</div>
<div class="line"> <span class="keywordtype">char</span> *p;</div>
<div class="line"> <span class="keywordtype">size_t</span> size;</div>
<div class="line">};</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> dirbuf_add(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keyword">struct</span> dirbuf *b, <span class="keyword">const</span> <span class="keywordtype">char</span> *name,</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino) {</div>
<div class="line"> <span class="keyword">struct </span>stat stbuf;</div>
<div class="line"> <span class="keywordtype">size_t</span> oldsize = b->size;</div>
<div class="line"> b->size += <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad1957bcc8ece8c90f16c42c4daf3053f">fuse_add_direntry</a>(req, NULL, 0, name, NULL, 0);</div>
<div class="line"> b->p = (<span class="keywordtype">char</span> *) realloc(b->p, b->size);</div>
<div class="line"> memset(&stbuf, 0, <span class="keyword">sizeof</span>(stbuf));</div>
<div class="line"> stbuf.st_ino = ino;</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad1957bcc8ece8c90f16c42c4daf3053f">fuse_add_direntry</a>(req, b->p + oldsize, b->size - oldsize, name, &stbuf,</div>
<div class="line"> b->size);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="preprocessor">#define min(x, y) ((x) < (y) ? (x) : (y))</span></div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">int</span> reply_buf_limited(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> bufsize,</div>
<div class="line"> off_t off, <span class="keywordtype">size_t</span> maxsize) {</div>
<div class="line"> <span class="keywordflow">if</span> (off < bufsize)</div>
<div class="line"> <span class="keywordflow">return</span> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a300a88b63ab7c8ca92853a97486448c0">fuse_reply_buf</a>(req, buf + off,</div>
<div class="line"> min(bufsize - off, maxsize));</div>
<div class="line"> <span class="keywordflow">else</span></div>
<div class="line"> <span class="keywordflow">return</span> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a300a88b63ab7c8ca92853a97486448c0">fuse_reply_buf</a>(req, NULL, 0);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> tfs_readdir(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino, <span class="keywordtype">size_t</span> size,</div>
<div class="line"> 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"> (void) fi;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (ino != <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a14d7299559cf05272b838cfc6388ef91">FUSE_ROOT_ID</a>)</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, ENOTDIR);</div>
<div class="line"> <span class="keywordflow">else</span> {</div>
<div class="line"> <span class="keyword">struct </span>dirbuf b;</div>
<div class="line"> </div>
<div class="line"> memset(&b, 0, <span class="keyword">sizeof</span>(b));</div>
<div class="line"> dirbuf_add(req, &b, FILE_NAME, FILE_INO);</div>
<div class="line"> reply_buf_limited(req, b.p, b.size, off, size);</div>
<div class="line"> free(b.p);</div>
<div class="line"> }</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> tfs_open(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino,</div>
<div class="line"> <span class="keyword">struct</span> <a class="code" href="structfuse__file__info.html">fuse_file_info</a> *fi) {</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* Make cache persistent even if file is closed,</span></div>
<div class="line"><span class="comment"> this makes it easier to see the effects */</span></div>
<div class="line"> fi-><a class="code" href="structfuse__file__info.html#a23a64eaecbf83f99aba8ee79e6de2780">keep_cache</a> = 1;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (ino == <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a14d7299559cf05272b838cfc6388ef91">FUSE_ROOT_ID</a>)</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, EISDIR);</div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((fi-><a class="code" href="structfuse__file__info.html#ae7d31802727be19670193a411647bca5">flags</a> & O_ACCMODE) != O_RDONLY)</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, EACCES);</div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ino == FILE_INO)</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a170f8c6b953d70928e83bcecee43bfdc">fuse_reply_open</a>(req, fi);</div>
<div class="line"> <span class="keywordflow">else</span> {</div>
<div class="line"> <span class="comment">// This should not happen</span></div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"Got open for non-existing inode!\n"</span>);</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a2553c03f9a63c75e609e67f90a3a5d88">fuse_reply_err</a>(req, ENOENT);</div>
<div class="line"> }</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> tfs_read(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino, <span class="keywordtype">size_t</span> size,</div>
<div class="line"> 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"> (void) fi;</div>
<div class="line"> </div>
<div class="line"> assert(ino == FILE_INO);</div>
<div class="line"> reply_buf_limited(req, file_contents, file_size, off, size);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> tfs_retrieve_reply(<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a33e2aa4a8905a05397292ae047cd2257">fuse_req_t</a> req, <span class="keywordtype">void</span> *cookie, <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad119a72f00b4cd2e4a500fd3364ae1e2">fuse_ino_t</a> ino,</div>
<div class="line"> off_t offset, <span class="keyword">struct</span> <a class="code" href="structfuse__bufvec.html">fuse_bufvec</a> *data) {</div>
<div class="line"> <span class="keyword">struct </span><a class="code" href="structfuse__bufvec.html">fuse_bufvec</a> bufv;</div>
<div class="line"> <span class="keywordtype">char</span> <a class="code" href="structfuse__bufvec.html#a4182555be43b16c0778d0dd9eb2bf7c4">buf</a>[MAX_STR_LEN];</div>
<div class="line"> <span class="keywordtype">char</span> *expected;</div>
<div class="line"> ssize_t ret;</div>
<div class="line"> </div>
<div class="line"> assert(ino == FILE_INO);</div>
<div class="line"> assert(offset == 0);</div>
<div class="line"> expected = (<span class="keywordtype">char</span>*) cookie;</div>
<div class="line"> </div>
<div class="line"> bufv.count = 1;</div>
<div class="line"> bufv.idx = 0;</div>
<div class="line"> bufv.off = 0;</div>
<div class="line"> bufv.buf[0].size = MAX_STR_LEN;</div>
<div class="line"> bufv.buf[0].mem = <a class="code" href="structfuse__bufvec.html#a4182555be43b16c0778d0dd9eb2bf7c4">buf</a>;</div>
<div class="line"> bufv.buf[0].<a class="code" href="structfuse__buf.html#a1928e204554f2d37cb8dac28a8a2f28c">flags</a> = 0;</div>
<div class="line"> </div>
<div class="line"> ret = <a class="code" href="fuse-3_810_84_2include_2fuse__common_8h.html#a9ca301390fb5e85b85153abb1891a3f7">fuse_buf_copy</a>(&bufv, data, 0);</div>
<div class="line"> assert(ret > 0);</div>
<div class="line"> assert(strncmp(<a class="code" href="structfuse__bufvec.html#a4182555be43b16c0778d0dd9eb2bf7c4">buf</a>, expected, ret) == 0);</div>
<div class="line"> free(expected);</div>
<div class="line"> retrieve_status = 2;</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a85ae91390a6704dc26f8d80fed7d5678">fuse_reply_none</a>(req);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structfuse__lowlevel__ops.html">fuse_lowlevel_ops</a> tfs_oper = {</div>
<div class="line"> .<a class="code" href="structfuse__lowlevel__ops.html#ae8a2850c71bec355ad347413fa73f7c2">lookup</a> = tfs_lookup,</div>
<div class="line"> .getattr = tfs_getattr,</div>
<div class="line"> .readdir = tfs_readdir,</div>
<div class="line"> .open = tfs_open,</div>
<div class="line"> .read = tfs_read,</div>
<div class="line"> .forget = tfs_forget,</div>
<div class="line"> .retrieve_reply = tfs_retrieve_reply,</div>
<div class="line">};</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> update_fs(<span class="keywordtype">void</span>) {</div>
<div class="line"> <span class="keyword">struct </span>tm *now;</div>
<div class="line"> time_t t;</div>
<div class="line"> t = time(NULL);</div>
<div class="line"> now = localtime(&t);</div>
<div class="line"> assert(now != NULL);</div>
<div class="line"> </div>
<div class="line"> file_size = strftime(file_contents, MAX_STR_LEN,</div>
<div class="line"> <span class="stringliteral">"The current time is %H:%M:%S\n"</span>, now);</div>
<div class="line"> assert(file_size != 0);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span>* update_fs_loop(<span class="keywordtype">void</span> *data) {</div>
<div class="line"> <span class="keyword">struct </span>fuse_session *se = (<span class="keyword">struct </span>fuse_session*) data;</div>
<div class="line"> <span class="keyword">struct </span><a class="code" href="structfuse__bufvec.html">fuse_bufvec</a> bufv;</div>
<div class="line"> <span class="keywordtype">int</span> ret;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">while</span>(1) {</div>
<div class="line"> update_fs();</div>
<div class="line"> <span class="keywordflow">if</span> (!options.no_notify && lookup_cnt) {</div>
<div class="line"> <span class="comment">/* Only send notification if the kernel</span></div>
<div class="line"><span class="comment"> is aware of the inode */</span></div>
<div class="line"> bufv.count = 1;</div>
<div class="line"> bufv.idx = 0;</div>
<div class="line"> bufv.off = 0;</div>
<div class="line"> bufv.buf[0].size = file_size;</div>
<div class="line"> bufv.buf[0].mem = file_contents;</div>
<div class="line"> bufv.buf[0].flags = 0;</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* This shouldn't fail, but apparently it sometimes</span></div>
<div class="line"><span class="comment"> does - see https://github.com/libfuse/libfuse/issues/105 */</span></div>
<div class="line"> ret = <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#af856725ed4a13ed7c17512554043edbc">fuse_lowlevel_notify_store</a>(se, FILE_INO, 0, &bufv, 0);</div>
<div class="line"> <span class="keywordflow">if</span> (-ret == ENODEV) {</div>
<div class="line"> <span class="comment">// File system was unmounted</span></div>
<div class="line"> <span class="keywordflow">break</span>;</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ret != 0) {</div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"ERROR: fuse_lowlevel_notify_store() failed with %s (%d)\n"</span>,</div>
<div class="line"> strerror(-ret), -ret);</div>
<div class="line"> abort();</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* To make sure that everything worked correctly, ask the</span></div>
<div class="line"><span class="comment"> kernel to send us back the stored data */</span></div>
<div class="line"> ret = <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a58cb3543209d2c29dc2830f2503b5058">fuse_lowlevel_notify_retrieve</a>(se, FILE_INO, MAX_STR_LEN,</div>
<div class="line"> 0, (<span class="keywordtype">void</span>*) strdup(file_contents));</div>
<div class="line"> <span class="keywordflow">if</span> (-ret == ENODEV) { <span class="comment">// File system was unmounted</span></div>
<div class="line"> <span class="keywordflow">break</span>;</div>
<div class="line"> }</div>
<div class="line"> assert(ret == 0);</div>
<div class="line"> <span class="keywordflow">if</span>(retrieve_status == 0)</div>
<div class="line"> retrieve_status = 1;</div>
<div class="line"> }</div>
<div class="line"> sleep(options.update_interval);</div>
<div class="line"> }</div>
<div class="line"> <span class="keywordflow">return</span> NULL;</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span> show_help(<span class="keyword">const</span> <span class="keywordtype">char</span> *progname)</div>
<div class="line">{</div>
<div class="line"> printf(<span class="stringliteral">"usage: %s [options] <mountpoint>\n\n"</span>, progname);</div>
<div class="line"> printf(<span class="stringliteral">"File-system specific options:\n"</span></div>
<div class="line"> <span class="stringliteral">" --update-interval=<secs> Update-rate of file system contents\n"</span></div>
<div class="line"> <span class="stringliteral">" --no-notify Disable kernel notifications\n"</span></div>
<div class="line"> <span class="stringliteral">"\n"</span>);</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[]) {</div>
<div class="line"> <span class="keyword">struct </span><a class="code" href="structfuse__args.html">fuse_args</a> args = <a class="code" href="fuse-3_810_84_2include_2fuse__opt_8h.html#a9bea40fe56b18be9aa110185ab7387ed">FUSE_ARGS_INIT</a>(<a class="code" href="structfuse__args.html#a501883d1eababa08e05b0c802b31e11d">argc</a>, <a class="code" href="structfuse__args.html#aba205faea1c7b46b912bd509976a074a">argv</a>);</div>
<div class="line"> <span class="keyword">struct </span>fuse_session *se;</div>
<div class="line"> <span class="keyword">struct </span><a class="code" href="structfuse__cmdline__opts.html">fuse_cmdline_opts</a> opts;</div>
<div class="line"> <span class="keyword">struct </span><a class="code" href="structfuse__loop__config.html">fuse_loop_config</a> config;</div>
<div class="line"> pthread_t updater;</div>
<div class="line"> <span class="keywordtype">int</span> ret = -1;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (<a class="code" href="fuse-3_810_84_2include_2fuse__opt_8h.html#a539ef1f571c34f516c60c4cbe2901c0e">fuse_opt_parse</a>(&args, &options, option_spec, NULL) == -1)</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a8421a0cb3b6fb7013c7272c6997d1e08">fuse_parse_cmdline</a>(&args, &opts) != 0)</div>
<div class="line"> <span class="keywordflow">return</span> 1;</div>
<div class="line"> <span class="keywordflow">if</span> (opts.show_help) {</div>
<div class="line"> show_help(argv[0]);</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a7235e3a2d1c780d5e0beaee13c81529f">fuse_cmdline_help</a>();</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a990af0becaba1b5e45781d399720f85e">fuse_lowlevel_help</a>();</div>
<div class="line"> ret = 0;</div>
<div class="line"> <span class="keywordflow">goto</span> err_out1;</div>
<div class="line"> } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (opts.show_version) {</div>
<div class="line"> printf(<span class="stringliteral">"FUSE library version %s\n"</span>, <a class="code" href="fuse-3_810_84_2include_2fuse__common_8h.html#ac52e27388a7c16eb509173908e5eebd0">fuse_pkgversion</a>());</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ac6e2d0fde62dcf4f0e57afeabeefd7b1">fuse_lowlevel_version</a>();</div>
<div class="line"> ret = 0;</div>
<div class="line"> <span class="keywordflow">goto</span> err_out1;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* Initial contents */</span></div>
<div class="line"> update_fs();</div>
<div class="line"> </div>
<div class="line"> se = <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a9ee52f81d0c63d9bd46b11314ba596cf">fuse_session_new</a>(&args, &tfs_oper,</div>
<div class="line"> <span class="keyword">sizeof</span>(tfs_oper), NULL);</div>
<div class="line"> <span class="keywordflow">if</span> (se == NULL)</div>
<div class="line"> <span class="keywordflow">goto</span> err_out1;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (<a class="code" href="fuse-3_810_84_2include_2fuse__common_8h.html#a292dccc3c7b1799cb054efa2ba0c774b">fuse_set_signal_handlers</a>(se) != 0)</div>
<div class="line"> <span class="keywordflow">goto</span> err_out2;</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">if</span> (<a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#aa6d77679a110582684e9ca2da623bbc2">fuse_session_mount</a>(se, opts.mountpoint) != 0)</div>
<div class="line"> <span class="keywordflow">goto</span> err_out3;</div>
<div class="line"> </div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__common_8h.html#af1857d2209952f49a762aff39f3cd8bd">fuse_daemonize</a>(opts.foreground);</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* Start thread to update file contents */</span></div>
<div class="line"> ret = pthread_create(&updater, NULL, update_fs_loop, (<span class="keywordtype">void</span> *)se);</div>
<div class="line"> <span class="keywordflow">if</span> (ret != 0) {</div>
<div class="line"> fprintf(stderr, <span class="stringliteral">"pthread_create failed with %s\n"</span>,</div>
<div class="line"> strerror(ret));</div>
<div class="line"> <span class="keywordflow">goto</span> err_out3;</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> <span class="comment">/* Block until ctrl+c or fusermount -u */</span></div>
<div class="line"> <span class="keywordflow">if</span> (opts.singlethread)</div>
<div class="line"> ret = <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a5f1e538aa3287e251afbe985438c4249">fuse_session_loop</a>(se);</div>
<div class="line"> <span class="keywordflow">else</span> {</div>
<div class="line"> config.clone_fd = opts.clone_fd;</div>
<div class="line"> config.max_idle_threads = opts.max_idle_threads;</div>
<div class="line"> ret = fuse_session_loop_mt(se, &config);</div>
<div class="line"> }</div>
<div class="line"> </div>
<div class="line"> assert(retrieve_status != 1);</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a6c10d942751ddb214863a8b5e53de5e8">fuse_session_unmount</a>(se);</div>
<div class="line">err_out3:</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__common_8h.html#aeb674bbc11074c4fe520b952d6bfdd30">fuse_remove_signal_handlers</a>(se);</div>
<div class="line">err_out2:</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a08b5503c4e9656f9c4bc88331233cc65">fuse_session_destroy</a>(se);</div>
<div class="line">err_out1:</div>
<div class="line"> free(opts.mountpoint);</div>
<div class="line"> <a class="code" href="fuse-3_810_84_2include_2fuse__opt_8h.html#a2cdf272429ab3869a5162976141b287d">fuse_opt_free_args</a>(&args);</div>
<div class="line"> </div>
<div class="line"> <span class="keywordflow">return</span> ret ? 1 : 0;</div>
<div class="line">}</div>
<div class="line"> </div>
<div class="line"> </div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__common_8h_html_a292dccc3c7b1799cb054efa2ba0c774b"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2fuse__signals_8c_source.html#l00062">fuse_signals.c:62</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__common_8h_html_a9ca301390fb5e85b85153abb1891a3f7"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__common_8h.html#a9ca301390fb5e85b85153abb1891a3f7">fuse_buf_copy</a></div><div class="ttdeci">ssize_t fuse_buf_copy(struct fuse_bufvec *dst, struct fuse_bufvec *src, enum fuse_buf_copy_flags flags)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2buffer_8c_source.html#l00284">buffer.c:284</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__common_8h_html_ac52e27388a7c16eb509173908e5eebd0"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__common_8h.html#ac52e27388a7c16eb509173908e5eebd0">fuse_pkgversion</a></div><div class="ttdeci">const char * fuse_pkgversion(void)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse_8c_source.html#l05122">fuse.c:5122</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__common_8h_html_aeb674bbc11074c4fe520b952d6bfdd30"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2fuse__signals_8c_source.html#l00079">fuse_signals.c:79</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__common_8h_html_af1857d2209952f49a762aff39f3cd8bd"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2helper_8c_source.html#l00225">helper.c:225</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a08b5503c4e9656f9c4bc88331233cc65"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2fuse__lowlevel_8c_source.html#l02708">fuse_lowlevel.c:2708</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a14d7299559cf05272b838cfc6388ef91"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a14d7299559cf05272b838cfc6388ef91">FUSE_ROOT_ID</a></div><div class="ttdeci">#define FUSE_ROOT_ID</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__lowlevel_8h_source.html#l00043">fuse_lowlevel.h:43</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a170f8c6b953d70928e83bcecee43bfdc"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a170f8c6b953d70928e83bcecee43bfdc">fuse_reply_open</a></div><div class="ttdeci">int fuse_reply_open(fuse_req_t req, const struct fuse_file_info *fi)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l00452">fuse_lowlevel.c:452</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a2553c03f9a63c75e609e67f90a3a5d88"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2fuse__lowlevel_8c_source.html#l00311">fuse_lowlevel.c:311</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a300a88b63ab7c8ca92853a97486448c0"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a300a88b63ab7c8ca92853a97486448c0">fuse_reply_buf</a></div><div class="ttdeci">int fuse_reply_buf(fuse_req_t req, const char *buf, size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l00471">fuse_lowlevel.c:471</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a33e2aa4a8905a05397292ae047cd2257"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2include_2fuse__lowlevel_8h_source.html#l00049">fuse_lowlevel.h:49</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a58cb3543209d2c29dc2830f2503b5058"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a58cb3543209d2c29dc2830f2503b5058">fuse_lowlevel_notify_retrieve</a></div><div class="ttdeci">int fuse_lowlevel_notify_retrieve(struct fuse_session *se, fuse_ino_t ino, size_t size, off_t offset, void *cookie)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l02379">fuse_lowlevel.c:2379</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a5f1e538aa3287e251afbe985438c4249"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2fuse__loop_8c_source.html#l00019">fuse_loop.c:19</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a672c45e126cd240f4bcd59bf9b7e3708"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a672c45e126cd240f4bcd59bf9b7e3708">fuse_reply_entry</a></div><div class="ttdeci">int fuse_reply_entry(fuse_req_t req, const struct fuse_entry_param *e)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l00400">fuse_lowlevel.c:400</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a6c10d942751ddb214863a8b5e53de5e8"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a6c10d942751ddb214863a8b5e53de5e8">fuse_session_unmount</a></div><div class="ttdeci">void fuse_session_unmount(struct fuse_session *se)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l03045">fuse_lowlevel.c:3045</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a7235e3a2d1c780d5e0beaee13c81529f"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a7235e3a2d1c780d5e0beaee13c81529f">fuse_cmdline_help</a></div><div class="ttdeci">void fuse_cmdline_help(void)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2helper_8c_source.html#l00129">helper.c:129</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a8421a0cb3b6fb7013c7272c6997d1e08"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2helper_8c_source.html#l00202">helper.c:202</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a85ae91390a6704dc26f8d80fed7d5678"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a85ae91390a6704dc26f8d80fed7d5678">fuse_reply_none</a></div><div class="ttdeci">void fuse_reply_none(fuse_req_t req)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l00316">fuse_lowlevel.c:316</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a990af0becaba1b5e45781d399720f85e"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#a990af0becaba1b5e45781d399720f85e">fuse_lowlevel_help</a></div><div class="ttdeci">void fuse_lowlevel_help(void)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l02698">fuse_lowlevel.c:2698</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_a9ee52f81d0c63d9bd46b11314ba596cf"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2fuse__lowlevel_8c_source.html#l02894">fuse_lowlevel.c:2894</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_aa6d77679a110582684e9ca2da623bbc2"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#aa6d77679a110582684e9ca2da623bbc2">fuse_session_mount</a></div><div class="ttdeci">int fuse_session_mount(struct fuse_session *se, const char *mountpoint)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l02990">fuse_lowlevel.c:2990</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_ac6e2d0fde62dcf4f0e57afeabeefd7b1"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ac6e2d0fde62dcf4f0e57afeabeefd7b1">fuse_lowlevel_version</a></div><div class="ttdeci">void fuse_lowlevel_version(void)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l02691">fuse_lowlevel.c:2691</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_ad119a72f00b4cd2e4a500fd3364ae1e2"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2include_2fuse__lowlevel_8h_source.html#l00046">fuse_lowlevel.h:46</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_ad1957bcc8ece8c90f16c42c4daf3053f"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad1957bcc8ece8c90f16c42c4daf3053f">fuse_add_direntry</a></div><div class="ttdeci">size_t fuse_add_direntry(fuse_req_t req, char *buf, size_t bufsize, const char *name, const struct stat *stbuf, off_t off)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l00266">fuse_lowlevel.c:266</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_ad28378dc569019c32acdb4995d70be18"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#ad28378dc569019c32acdb4995d70be18">fuse_reply_attr</a></div><div class="ttdeci">int fuse_reply_attr(fuse_req_t req, const struct stat *attr, double attr_timeout)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l00432">fuse_lowlevel.c:432</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__lowlevel_8h_html_af856725ed4a13ed7c17512554043edbc"><div class="ttname"><a href="fuse-3_810_84_2include_2fuse__lowlevel_8h.html#af856725ed4a13ed7c17512554043edbc">fuse_lowlevel_notify_store</a></div><div class="ttdeci">int fuse_lowlevel_notify_store(struct fuse_session *se, fuse_ino_t ino, off_t offset, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2lib_2fuse__lowlevel_8c_source.html#l02299">fuse_lowlevel.c:2299</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__opt_8h_html_a2cdf272429ab3869a5162976141b287d"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2fuse__opt_8c_source.html#l00034">fuse_opt.c:34</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__opt_8h_html_a539ef1f571c34f516c60c4cbe2901c0e"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2lib_2fuse__opt_8c_source.html#l00398">fuse_opt.c:398</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__opt_8h_html_a9bea40fe56b18be9aa110185ab7387ed"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2include_2fuse__opt_8h_source.html#l00123">fuse_opt.h:123</a></div></div>
<div class="ttc" id="afuse-3_810_84_2include_2fuse__opt_8h_html_aca35962e17d189ceb5447f8eea11bd33"><div class="ttname"><a href="fuse-3_810_84_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_810_84_2include_2fuse__opt_8h_source.html#l00104">fuse_opt.h:104</a></div></div>
<div class="ttc" id="astructfuse__args_html"><div class="ttname"><a href="structfuse__args.html">fuse_args</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__opt_8h_source.html#l00109">fuse_opt.h:109</a></div></div>
<div class="ttc" id="astructfuse__args_html_a501883d1eababa08e05b0c802b31e11d"><div class="ttname"><a href="structfuse__args.html#a501883d1eababa08e05b0c802b31e11d">fuse_args::argc</a></div><div class="ttdeci">int argc</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__opt_8h_source.html#l00111">fuse_opt.h:111</a></div></div>
<div class="ttc" id="astructfuse__args_html_aba205faea1c7b46b912bd509976a074a"><div class="ttname"><a href="structfuse__args.html#aba205faea1c7b46b912bd509976a074a">fuse_args::argv</a></div><div class="ttdeci">char ** argv</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__opt_8h_source.html#l00114">fuse_opt.h:114</a></div></div>
<div class="ttc" id="astructfuse__buf_html_a1928e204554f2d37cb8dac28a8a2f28c"><div class="ttname"><a href="structfuse__buf.html#a1928e204554f2d37cb8dac28a8a2f28c">fuse_buf::flags</a></div><div class="ttdeci">enum fuse_buf_flags flags</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__common_8h_source.html#l00706">fuse_common.h:711</a></div></div>
<div class="ttc" id="astructfuse__bufvec_html"><div class="ttname"><a href="structfuse__bufvec.html">fuse_bufvec</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__common_8h_source.html#l00743">fuse_common.h:743</a></div></div>
<div class="ttc" id="astructfuse__bufvec_html_a4182555be43b16c0778d0dd9eb2bf7c4"><div class="ttname"><a href="structfuse__bufvec.html#a4182555be43b16c0778d0dd9eb2bf7c4">fuse_bufvec::buf</a></div><div class="ttdeci">struct fuse_buf buf[1]</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__common_8h_source.html#l00757">fuse_common.h:762</a></div></div>
<div class="ttc" id="astructfuse__cmdline__opts_html"><div class="ttname"><a href="structfuse__cmdline__opts.html">fuse_cmdline_opts</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__lowlevel_8h_source.html#l01871">fuse_lowlevel.h:1871</a></div></div>
<div class="ttc" id="astructfuse__entry__param_html"><div class="ttname"><a href="structfuse__entry__param.html">fuse_entry_param</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__lowlevel_8h_source.html#l00059">fuse_lowlevel.h:59</a></div></div>
<div class="ttc" id="astructfuse__entry__param_html_a285ba89754871772d940fa4fb736bce3"><div class="ttname"><a href="structfuse__entry__param.html#a285ba89754871772d940fa4fb736bce3">fuse_entry_param::ino</a></div><div class="ttdeci">fuse_ino_t ino</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__lowlevel_8h_source.html#l00067">fuse_lowlevel.h:67</a></div></div>
<div class="ttc" id="astructfuse__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_810_84_2include_2fuse__common_8h_source.html#l00044">fuse_common.h:44</a></div></div>
<div class="ttc" id="astructfuse__file__info_html_a23a64eaecbf83f99aba8ee79e6de2780"><div class="ttname"><a href="structfuse__file__info.html#a23a64eaecbf83f99aba8ee79e6de2780">fuse_file_info::keep_cache</a></div><div class="ttdeci">unsigned int keep_cache</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__common_8h_source.html#l00064">fuse_common.h:64</a></div></div>
<div class="ttc" id="astructfuse__file__info_html_ae7d31802727be19670193a411647bca5"><div class="ttname"><a href="structfuse__file__info.html#ae7d31802727be19670193a411647bca5">fuse_file_info::flags</a></div><div class="ttdeci">int flags</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__common_8h_source.html#l00046">fuse_common.h:46</a></div></div>
<div class="ttc" id="astructfuse__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_810_84_2include_2fuse__common_8h_source.html#l00107">fuse_common.h:107</a></div></div>
<div class="ttc" id="astructfuse__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_810_84_2include_2fuse__lowlevel_8h_source.html#l00172">fuse_lowlevel.h:172</a></div></div>
<div class="ttc" id="astructfuse__lowlevel__ops_html_ae8a2850c71bec355ad347413fa73f7c2"><div class="ttname"><a href="structfuse__lowlevel__ops.html#ae8a2850c71bec355ad347413fa73f7c2">fuse_lowlevel_ops::lookup</a></div><div class="ttdeci">void(* lookup)(fuse_req_t req, fuse_ino_t parent, const char *name)</div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__lowlevel_8h_source.html#l00215">fuse_lowlevel.h:215</a></div></div>
<div class="ttc" id="astructfuse__opt_html"><div class="ttname"><a href="structfuse__opt.html">fuse_opt</a></div><div class="ttdef"><b>Definition:</b> <a href="fuse-3_810_84_2include_2fuse__opt_8h_source.html#l00077">fuse_opt.h:77</a></div></div>
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