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vasilito f31522130f fix: comprehensive boot warnings and exceptions — fixable silenced, unfixable diagnosed 
Build system (5 gaps hardened):
- COOKBOOK_OFFLINE defaults to true (fork-mode)
- normalize_patch handles diff -ruN format
- New 'repo validate-patches' command (25/25 relibc patches)
- 14 patched Qt/Wayland/display recipes added to protected list
- relibc archive regenerated with current patch chain

Boot fixes (fixable):
- Full ISO EFI partition: 16 MiB → 1 MiB (matches mini, BIOS hardcoded 2 MiB offset)
- D-Bus system bus: absolute /usr/bin/dbus-daemon path (was skipped)
- redbear-sessiond: absolute /usr/bin/redbear-sessiond path (was skipped)
- daemon framework: silenced spurious INIT_NOTIFY warnings for oneshot_async services (P0-daemon-silence-init-notify.patch)
- udev-shim: demoted INIT_NOTIFY warning to INFO (expected for oneshot_async)
- relibc: comprehensive named semaphores (sem_open/close/unlink) replacing upstream todo!() stubs
- greeterd: Wayland socket timeout 15s → 30s (compositor DRM wait)
- greeter-ui: built and linked (header guard unification, sem_compat stubs removed)
- mc: un-ignored in both configs, fixed glib/libiconv/pcre2 transitive deps
- greeter config: removed stale keymapd dependency from display/greeter services
- prefix toolchain: relibc headers synced, _RELIBC_STDLIB_H guard unified

Unfixable (diagnosed, upstream):
- i2c-hidd: abort on no-I2C-hardware (QEMU) — process::exit → relibc abort
- kded6/greeter-ui: page fault 0x8 — Qt library null deref
- Thread panics fd != -1 — Rust std library on Redox
- DHCP timeout / eth0 MAC — QEMU user-mode networking
- hwrngd/thermald — no hardware RNG/thermal in VM
- live preload allocation — BIOS memory fragmentation, continues on demand
2026-05-05 20:20:37 +01:00

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<a href="#typedef-members">Typedefs</a> &#124;
<a href="#enum-members">Enumerations</a> &#124;
<a href="#func-members">Functions</a> </div>
<div class="headertitle"><div class="title">Library logging facilities</div></div>
</div><!--header-->
<div class="contents">
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="typedef-members" name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:gaf36c721d273c0794251eb7dacea2f0a4" id="r_gaf36c721d273c0794251eb7dacea2f0a4"><td class="memItemLeft" align="right" valign="top">typedef void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf36c721d273c0794251eb7dacea2f0a4">libevdev_log_func_t</a>) (enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a> priority, void *data, const char *file, int line, const char *func, const char *format, va_list args)</td></tr>
<tr class="memdesc:gaf36c721d273c0794251eb7dacea2f0a4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Logging function called by library-internal logging. <br /></td></tr>
<tr class="separator:gaf36c721d273c0794251eb7dacea2f0a4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab7eb997be2b701cc6f42e7b4c3478269" id="r_gab7eb997be2b701cc6f42e7b4c3478269"><td class="memItemLeft" align="right" valign="top">typedef void(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gab7eb997be2b701cc6f42e7b4c3478269">libevdev_device_log_func_t</a>) (const struct libevdev *dev, enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a> priority, void *data, const char *file, int line, const char *func, const char *format, va_list args)</td></tr>
<tr class="memdesc:gab7eb997be2b701cc6f42e7b4c3478269"><td class="mdescLeft">&#160;</td><td class="mdescRight">Logging function called by library-internal logging for a specific libevdev context. <br /></td></tr>
<tr class="separator:gab7eb997be2b701cc6f42e7b4c3478269"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="enum-members" name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:ga0b798d0864f2b1b10e4603f9431b3364" id="r_ga0b798d0864f2b1b10e4603f9431b3364"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a> { <a class="el" href="#gga0b798d0864f2b1b10e4603f9431b3364a21fd1083f2ebd0a25f09ee982e365d5f">LIBEVDEV_LOG_ERROR</a>
, <a class="el" href="#gga0b798d0864f2b1b10e4603f9431b3364a4d13a031b112292ca3e7bab8c6d76abc">LIBEVDEV_LOG_INFO</a>
, <a class="el" href="#gga0b798d0864f2b1b10e4603f9431b3364a760d66d422ffcf89b0f1ddb529b95793">LIBEVDEV_LOG_DEBUG</a>
}</td></tr>
<tr class="separator:ga0b798d0864f2b1b10e4603f9431b3364"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gaa60be86b83b3a6c82d8e536ba89ff955" id="r_gaa60be86b83b3a6c82d8e536ba89ff955"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gaa60be86b83b3a6c82d8e536ba89ff955">libevdev_set_log_function</a> (<a class="el" href="#gaf36c721d273c0794251eb7dacea2f0a4">libevdev_log_func_t</a> logfunc, void *data)</td></tr>
<tr class="memdesc:gaa60be86b83b3a6c82d8e536ba89ff955"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set a printf-style logging handler for library-internal logging. <br /></td></tr>
<tr class="separator:gaa60be86b83b3a6c82d8e536ba89ff955"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaf6b6842a9ed98b61d0abb421e853fd89" id="r_gaf6b6842a9ed98b61d0abb421e853fd89"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf6b6842a9ed98b61d0abb421e853fd89">libevdev_set_log_priority</a> (enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a> priority)</td></tr>
<tr class="memdesc:gaf6b6842a9ed98b61d0abb421e853fd89"><td class="mdescLeft">&#160;</td><td class="mdescRight">Define the minimum level to be printed to the log handler. <br /></td></tr>
<tr class="separator:gaf6b6842a9ed98b61d0abb421e853fd89"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga1da07493a798595cf85c127490b98ee8" id="r_ga1da07493a798595cf85c127490b98ee8"><td class="memItemLeft" align="right" valign="top">enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga1da07493a798595cf85c127490b98ee8">libevdev_get_log_priority</a> (void)</td></tr>
<tr class="memdesc:ga1da07493a798595cf85c127490b98ee8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Return the current log priority level. <br /></td></tr>
<tr class="separator:ga1da07493a798595cf85c127490b98ee8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga2830ff0aa391d8d1111682d3e762091b" id="r_ga2830ff0aa391d8d1111682d3e762091b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga2830ff0aa391d8d1111682d3e762091b">libevdev_set_device_log_function</a> (struct libevdev *dev, <a class="el" href="#gab7eb997be2b701cc6f42e7b4c3478269">libevdev_device_log_func_t</a> logfunc, enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a> priority, void *data)</td></tr>
<tr class="memdesc:ga2830ff0aa391d8d1111682d3e762091b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set a printf-style logging handler for library-internal logging for this device context. <br /></td></tr>
<tr class="separator:ga2830ff0aa391d8d1111682d3e762091b"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>libevdev provides two methods of logging library-internal messages. The old method is to provide a global log handler in <a class="el" href="#gaa60be86b83b3a6c82d8e536ba89ff955" title="Set a printf-style logging handler for library-internal logging.">libevdev_set_log_function()</a>. The new method is to provide a per-context log handler in <a class="el" href="#ga2830ff0aa391d8d1111682d3e762091b" title="Set a printf-style logging handler for library-internal logging for this device context.">libevdev_set_device_log_function()</a>. Developers are encouraged to use the per-context logging facilities over the global log handler as it provides access to the libevdev instance that caused a message, and is more flexible when libevdev is used from within a shared library.</p>
<p>If a caller sets both the global log handler and a per-context log handler, each device with a per-context log handler will only invoke that log handler.</p>
<dl class="section note"><dt>Note</dt><dd>To set a context-specific log handler, a context is needed. Thus developers are discouraged from using <a class="el" href="group__init.html#ga89bb5bce1c23e293293484b05b12aaf4" title="Initialize a new libevdev device from the given fd.">libevdev_new_from_fd()</a> as important messages from the device initialization process may get lost.</dd>
<dd>
A context-specific handler cannot be used for libevdev's uinput devices. <a class="el" href="group__uinput.html">uinput device creation</a> must use the global log handler. </dd></dl>
<h2 class="groupheader">Typedef Documentation</h2>
<a id="gab7eb997be2b701cc6f42e7b4c3478269" name="gab7eb997be2b701cc6f42e7b4c3478269"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab7eb997be2b701cc6f42e7b4c3478269">&#9670;&#160;</a></span>libevdev_device_log_func_t</h2>
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<td class="memname">typedef void(* libevdev_device_log_func_t) (const struct libevdev *dev, enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a> priority, void *data, const char *file, int line, const char *func, const char *format, va_list args)</td>
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<p>Logging function called by library-internal logging for a specific libevdev context. </p>
<p>This function is expected to treat its input like printf would.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dev</td><td>The evdev device </td></tr>
<tr><td class="paramname">priority</td><td>Log priority of this message </td></tr>
<tr><td class="paramname">data</td><td>User-supplied data pointer (see <a class="el" href="#gaa60be86b83b3a6c82d8e536ba89ff955" title="Set a printf-style logging handler for library-internal logging.">libevdev_set_log_function()</a>) </td></tr>
<tr><td class="paramname">file</td><td>libevdev source code file generating this message </td></tr>
<tr><td class="paramname">line</td><td>libevdev source code line generating this message </td></tr>
<tr><td class="paramname">func</td><td>libevdev source code function generating this message </td></tr>
<tr><td class="paramname">format</td><td>printf-style format string </td></tr>
<tr><td class="paramname">args</td><td>List of arguments</td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="#gaa60be86b83b3a6c82d8e536ba89ff955" title="Set a printf-style logging handler for library-internal logging.">libevdev_set_log_function</a> </dd></dl>
<dl class="section since"><dt>Since</dt><dd>1.3 </dd></dl>
</div>
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<a id="gaf36c721d273c0794251eb7dacea2f0a4" name="gaf36c721d273c0794251eb7dacea2f0a4"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaf36c721d273c0794251eb7dacea2f0a4">&#9670;&#160;</a></span>libevdev_log_func_t</h2>
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<td class="memname">typedef void(* libevdev_log_func_t) (enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a> priority, void *data, const char *file, int line, const char *func, const char *format, va_list args)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Logging function called by library-internal logging. </p>
<p>This function is expected to treat its input like printf would.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">priority</td><td>Log priority of this message </td></tr>
<tr><td class="paramname">data</td><td>User-supplied data pointer (see <a class="el" href="#gaa60be86b83b3a6c82d8e536ba89ff955" title="Set a printf-style logging handler for library-internal logging.">libevdev_set_log_function()</a>) </td></tr>
<tr><td class="paramname">file</td><td>libevdev source code file generating this message </td></tr>
<tr><td class="paramname">line</td><td>libevdev source code line generating this message </td></tr>
<tr><td class="paramname">func</td><td>libevdev source code function generating this message </td></tr>
<tr><td class="paramname">format</td><td>printf-style format string </td></tr>
<tr><td class="paramname">args</td><td>List of arguments</td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="#gaa60be86b83b3a6c82d8e536ba89ff955" title="Set a printf-style logging handler for library-internal logging.">libevdev_set_log_function</a> </dd></dl>
</div>
</div>
<h2 class="groupheader">Enumeration Type Documentation</h2>
<a id="ga0b798d0864f2b1b10e4603f9431b3364" name="ga0b798d0864f2b1b10e4603f9431b3364"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga0b798d0864f2b1b10e4603f9431b3364">&#9670;&#160;</a></span>libevdev_log_priority</h2>
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<td class="memname">enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a></td>
</tr>
</table>
</div><div class="memdoc">
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="gga0b798d0864f2b1b10e4603f9431b3364a21fd1083f2ebd0a25f09ee982e365d5f" name="gga0b798d0864f2b1b10e4603f9431b3364a21fd1083f2ebd0a25f09ee982e365d5f"></a>LIBEVDEV_LOG_ERROR&#160;</td><td class="fielddoc"><p>critical errors and application bugs </p>
</td></tr>
<tr><td class="fieldname"><a id="gga0b798d0864f2b1b10e4603f9431b3364a4d13a031b112292ca3e7bab8c6d76abc" name="gga0b798d0864f2b1b10e4603f9431b3364a4d13a031b112292ca3e7bab8c6d76abc"></a>LIBEVDEV_LOG_INFO&#160;</td><td class="fielddoc"><p>informational messages </p>
</td></tr>
<tr><td class="fieldname"><a id="gga0b798d0864f2b1b10e4603f9431b3364a760d66d422ffcf89b0f1ddb529b95793" name="gga0b798d0864f2b1b10e4603f9431b3364a760d66d422ffcf89b0f1ddb529b95793"></a>LIBEVDEV_LOG_DEBUG&#160;</td><td class="fielddoc"><p>debug information </p>
</td></tr>
</table>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga1da07493a798595cf85c127490b98ee8" name="ga1da07493a798595cf85c127490b98ee8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga1da07493a798595cf85c127490b98ee8">&#9670;&#160;</a></span>libevdev_get_log_priority()</h2>
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<td class="memname">enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a> libevdev_get_log_priority </td>
<td>(</td>
<td class="paramtype">void</td> <td class="paramname"><span class="paramname"></span></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Return the current log priority level. </p>
<p>Messages higher than this level are printed, others are discarded. This is a global setting.</p>
<dl class="section return"><dt>Returns</dt><dd>the current log level</dd></dl>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000003">Deprecated</a></b></dt><dd>Use per-context logging instead, see <a class="el" href="#ga2830ff0aa391d8d1111682d3e762091b" title="Set a printf-style logging handler for library-internal logging for this device context.">libevdev_set_device_log_function()</a>. </dd></dl>
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<a id="ga2830ff0aa391d8d1111682d3e762091b" name="ga2830ff0aa391d8d1111682d3e762091b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga2830ff0aa391d8d1111682d3e762091b">&#9670;&#160;</a></span>libevdev_set_device_log_function()</h2>
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<td class="memname">void libevdev_set_device_log_function </td>
<td>(</td>
<td class="paramtype">struct libevdev *</td> <td class="paramname"><span class="paramname"><em>dev</em>, </span></td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="#gab7eb997be2b701cc6f42e7b4c3478269">libevdev_device_log_func_t</a></td> <td class="paramname"><span class="paramname"><em>logfunc</em>, </span></td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a></td> <td class="paramname"><span class="paramname"><em>priority</em>, </span></td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>data</em></span>&#160;)</td>
</tr>
</table>
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<p>Set a printf-style logging handler for library-internal logging for this device context. </p>
<p>The default logging function is NULL, i.e. the global log handler is invoked. If a context-specific log handler is set, the global log handler is not invoked for this device.</p>
<dl class="section note"><dt>Note</dt><dd>This log function applies for this device context only, even if another context exists for the same fd.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dev</td><td>The evdev device </td></tr>
<tr><td class="paramname">logfunc</td><td>The logging function for this device. If NULL, the current logging function is unset and logging falls back to the global log handler, if any. </td></tr>
<tr><td class="paramname">priority</td><td>Minimum priority to be printed to the log. </td></tr>
<tr><td class="paramname">data</td><td>User-specific data passed to the log handler.</td></tr>
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<dl class="section note"><dt>Note</dt><dd>This function may be called before <a class="el" href="group__init.html#ga6658ac490d68c307ff8b8d1536c12b44" title="Set the fd for this struct and initialize internal data.">libevdev_set_fd()</a>. </dd></dl>
<dl class="section since"><dt>Since</dt><dd>1.3 </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa60be86b83b3a6c82d8e536ba89ff955">&#9670;&#160;</a></span>libevdev_set_log_function()</h2>
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<td class="memname">void libevdev_set_log_function </td>
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<td class="paramtype"><a class="el" href="#gaf36c721d273c0794251eb7dacea2f0a4">libevdev_log_func_t</a></td> <td class="paramname"><span class="paramname"><em>logfunc</em>, </span></td>
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<td class="paramtype">void *</td> <td class="paramname"><span class="paramname"><em>data</em></span>&#160;)</td>
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<p>Set a printf-style logging handler for library-internal logging. </p>
<p>The default logging function is to stdout.</p>
<dl class="section note"><dt>Note</dt><dd>The global log handler is only called if no context-specific log handler has been set with <a class="el" href="#ga2830ff0aa391d8d1111682d3e762091b" title="Set a printf-style logging handler for library-internal logging for this device context.">libevdev_set_device_log_function()</a>.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">logfunc</td><td>The logging function for this device. If NULL, the current logging function is unset and no logging is performed. </td></tr>
<tr><td class="paramname">data</td><td>User-specific data passed to the log handler.</td></tr>
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<dl class="section note"><dt>Note</dt><dd>This function may be called before <a class="el" href="group__init.html#ga6658ac490d68c307ff8b8d1536c12b44" title="Set the fd for this struct and initialize internal data.">libevdev_set_fd()</a>.</dd></dl>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000001">Deprecated</a></b></dt><dd>Use per-context logging instead, see <a class="el" href="#ga2830ff0aa391d8d1111682d3e762091b" title="Set a printf-style logging handler for library-internal logging for this device context.">libevdev_set_device_log_function()</a>. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf6b6842a9ed98b61d0abb421e853fd89">&#9670;&#160;</a></span>libevdev_set_log_priority()</h2>
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<td class="memname">void libevdev_set_log_priority </td>
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<td class="paramtype">enum <a class="el" href="#ga0b798d0864f2b1b10e4603f9431b3364">libevdev_log_priority</a></td> <td class="paramname"><span class="paramname"><em>priority</em></span></td><td>)</td>
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<p>Define the minimum level to be printed to the log handler. </p>
<p>Messages higher than this level are printed, others are discarded. This is a global setting and applies to any future logging messages.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">priority</td><td>Minimum priority to be printed to the log.</td></tr>
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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000002">Deprecated</a></b></dt><dd>Use per-context logging instead, see <a class="el" href="#ga2830ff0aa391d8d1111682d3e762091b" title="Set a printf-style logging handler for library-internal logging for this device context.">libevdev_set_device_log_function()</a>. </dd></dl>
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