/usr/share/gtk-doc/html/libblockdev/libblockdev-blockdev-library.html is in libblockdev-dev 2.16-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>blockdev library: libblockdev Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="index.html" title="libblockdev Reference Manual">
<link rel="up" href="ch01.html" title="libblockdev Reference Manual">
<link rel="prev" href="ch01.html" title="libblockdev Reference Manual">
<link rel="next" href="libblockdev-BTRFS.html" title="BTRFS">
<meta name="generator" content="GTK-Doc V1.27 (XML mode)">
<link rel="stylesheet" href="style.css" type="text/css">
</head>
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span>
<a href="#libblockdev-blockdev-library.description" class="shortcut">Description</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="ch01.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="libblockdev-BTRFS.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="libblockdev-blockdev-library"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="libblockdev-blockdev-library.top_of_page"></a>blockdev library</span></h2>
<p>blockdev library — a library for doing low-level operations with block devices</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="libblockdev-blockdev-library.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libblockdev-blockdev-library.html#bd-init" title="bd_init ()">bd_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libblockdev-blockdev-library.html#bd-ensure-init" title="bd_ensure_init ()">bd_ensure_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libblockdev-blockdev-library.html#bd-try-init" title="bd_try_init ()">bd_try_init</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libblockdev-blockdev-library.html#bd-reinit" title="bd_reinit ()">bd_reinit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libblockdev-blockdev-library.html#bd-try-reinit" title="bd_try_reinit ()">bd_try_reinit</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libblockdev-blockdev-library.html#bd-is-initialized" title="bd_is_initialized ()">bd_is_initialized</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libblockdev-blockdev-library.html#bd-switch-init-checks" title="bd_switch_init_checks ()">bd_switch_init_checks</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">GQuark</span>
</td>
<td class="function_name">
<a class="link" href="libblockdev-blockdev-library.html#bd-init-error-quark" title="bd_init_error_quark ()">bd_init_error_quark</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libblockdev-blockdev-library.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name"><a class="link" href="libblockdev-blockdev-library.html#BD-INIT-ERROR:CAPS" title="BD_INIT_ERROR">BD_INIT_ERROR</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="libblockdev-blockdev-library.html#BDInitError" title="enum BDInitError">BDInitError</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libblockdev-blockdev-library.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <blockdev.h>
</pre>
</div>
<div class="refsect1">
<a name="libblockdev-blockdev-library.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="libblockdev-blockdev-library.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="bd-init"></a><h3>bd_init ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
bd_init (<em class="parameter"><code><span class="type">BDPluginSpec</span> **require_plugins</code></em>,
<em class="parameter"><code><a class="link" href="libblockdev-Utils.html#BDUtilsLogFunc" title="BDUtilsLogFunc ()"><span class="type">BDUtilsLogFunc</span></a> log_func</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<div class="refsect3">
<a name="bd-init.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>require_plugins</p></td>
<td class="parameter_description"><p><code class="literal">NULL</code>-terminated list
of plugins that should be loaded (if no so_name is specified
for the plugin, the default is used) or <code class="literal">NULL</code> to load all
plugins. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>log_func</p></td>
<td class="parameter_description"><p>logging function to use. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>place to store error (if any). </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="bd-init.returns"></a><h4>Returns</h4>
<p> whether the library was successfully initialized with all the
required or default (see <em class="parameter"><code>require_plugins</code></em>
) plugins or not</p>
<p>Example of libblockdev initialization with 'fs' and 'lvm' plugins. Specific
version of the lvm plugin is required:</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3
4
5
6</pre></td>
<td class="listing_code"><pre class="programlisting">GError <span class="gtkdoc opt">*</span>error <span class="gtkdoc opt">=</span> NULL<span class="gtkdoc opt">;</span>
gboolean ret <span class="gtkdoc opt">=</span> FALSE<span class="gtkdoc opt">;</span>
BDPluginSpec fs_plugin <span class="gtkdoc opt">= {</span>BD_PLUGIN_FS<span class="gtkdoc opt">,</span> NULL<span class="gtkdoc opt">};</span>
BDPluginSpec lvm_plugin <span class="gtkdoc opt">= {</span>BD_PLUGIN_LVM<span class="gtkdoc opt">,</span> <span class="string">"libbd_lvm.so.2"</span><span class="gtkdoc opt">};</span>
BDPluginSpec <span class="gtkdoc opt">*</span>plugins<span class="gtkdoc opt">[] = {&</span>fs_plugin<span class="gtkdoc opt">, &</span>lvm_plugin<span class="gtkdoc opt">,</span> NULL<span class="gtkdoc opt">};</span>
ret <span class="gtkdoc opt">=</span> <span class="function"><a href="libblockdev-blockdev-library.html#bd-init">bd_init</a></span> <span class="gtkdoc opt">(</span>plugins<span class="gtkdoc opt">,</span> NULL<span class="gtkdoc opt">, &</span>error<span class="gtkdoc opt">);</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="bd-ensure-init"></a><h3>bd_ensure_init ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
bd_ensure_init (<em class="parameter"><code><span class="type">BDPluginSpec</span> **require_plugins</code></em>,
<em class="parameter"><code><a class="link" href="libblockdev-Utils.html#BDUtilsLogFunc" title="BDUtilsLogFunc ()"><span class="type">BDUtilsLogFunc</span></a> log_func</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Checks the state of the library and if it is uninitialized or not all the
<em class="parameter"><code>require_plugins</code></em>
plugins are available, tries to (re)initialize it. Otherwise
just returns early. The difference between:</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="keyword">if</span> <span class="gtkdoc opt">(!</span><span class="function"><a href="libblockdev-blockdev-library.html#bd-is-initialized">bd_is_initialized</a></span><span class="gtkdoc opt">())</span>
<span class="function"><a href="libblockdev-blockdev-library.html#bd-init">bd_init</a></span><span class="gtkdoc opt">(</span>None<span class="gtkdoc opt">,</span> None<span class="gtkdoc opt">, &</span>error<span class="gtkdoc opt">);</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
<p>and this function is that this function does the check and init in an atomic
way (holding the lock preventing other threads from doing changes in
between).</p>
<div class="refsect3">
<a name="bd-ensure-init.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>require_plugins</p></td>
<td class="parameter_description"><p><code class="literal">NULL</code>-terminated list
of plugins that should be loaded (if no so_name is specified
for the plugin, the default is used) or <code class="literal">NULL</code> to load all
plugins. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>log_func</p></td>
<td class="parameter_description"><p>logging function to use. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>place to store error (if any). </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="bd-ensure-init.returns"></a><h4>Returns</h4>
<p> whether the library was successfully initialized with all the
required or default (see <em class="parameter"><code>require_plugins</code></em>
) plugins or not either
before or by this call</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="bd-try-init"></a><h3>bd_try_init ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
bd_try_init (<em class="parameter"><code><span class="type">BDPluginSpec</span> **request_plugins</code></em>,
<em class="parameter"><code><a class="link" href="libblockdev-Utils.html#BDUtilsLogFunc" title="BDUtilsLogFunc ()"><span class="type">BDUtilsLogFunc</span></a> log_func</code></em>,
<em class="parameter"><code><span class="type">gchar</span> ***loaded_plugin_names</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<div class="refsect3">
<a name="bd-try-init.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>request_plugins</p></td>
<td class="parameter_description"><p><code class="literal">NULL</code>-terminated list
of plugins that should be loaded (if no so_name is specified
for the plugin, the default is used) or <code class="literal">NULL</code> to load all
plugins. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>log_func</p></td>
<td class="parameter_description"><p>logging function to use. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>loaded_plugin_names</p></td>
<td class="parameter_description"><p>names
of the successfully loaded plugins. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="Free data container after the code is done."><span class="acronym">transfer container</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>place to store error (if any). </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="bd-try-init.returns"></a><h4>Returns</h4>
<p> whether the library was successfully initialized with all the
required or default (see <em class="parameter"><code>require_plugins</code></em>
) plugins or not</p>
<p>*UNLIKE IN CASE OF <a class="link" href="libblockdev-blockdev-library.html#bd-init" title="bd_init ()"><code class="function">bd_init()</code></a> AND <a class="link" href="libblockdev-blockdev-library.html#bd-ensure-init" title="bd_ensure_init ()"><code class="function">bd_ensure_init()</code></a>, FAILURE TO LOAD A PLUGIN
IS NOT CONSIDERED ERROR*</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="bd-reinit"></a><h3>bd_reinit ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
bd_reinit (<em class="parameter"><code><span class="type">BDPluginSpec</span> **require_plugins</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> reload</code></em>,
<em class="parameter"><code><a class="link" href="libblockdev-Utils.html#BDUtilsLogFunc" title="BDUtilsLogFunc ()"><span class="type">BDUtilsLogFunc</span></a> log_func</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<div class="refsect3">
<a name="bd-reinit.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>require_plugins</p></td>
<td class="parameter_description"><p><code class="literal">NULL</code>-terminated list
of plugins that should be loaded (if no so_name is specified
for the plugin, the default is used) or <code class="literal">NULL</code> to load all
plugins. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>reload</p></td>
<td class="parameter_description"><p>whether to reload the already loaded plugins or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>log_func</p></td>
<td class="parameter_description"><p>logging function to use or <code class="literal">NULL</code>
to keep the old one. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>place to store error (if any). </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="bd-reinit.returns"></a><h4>Returns</h4>
<p> whether the library was successfully initialized or not</p>
<p>If <em class="parameter"><code>reload</code></em>
is <code class="literal">TRUE</code> all the plugins are closed and reloaded otherwise only
the missing plugins are loaded.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="bd-try-reinit"></a><h3>bd_try_reinit ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
bd_try_reinit (<em class="parameter"><code><span class="type">BDPluginSpec</span> **require_plugins</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> reload</code></em>,
<em class="parameter"><code><a class="link" href="libblockdev-Utils.html#BDUtilsLogFunc" title="BDUtilsLogFunc ()"><span class="type">BDUtilsLogFunc</span></a> log_func</code></em>,
<em class="parameter"><code><span class="type">gchar</span> ***loaded_plugin_names</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<div class="refsect3">
<a name="bd-try-reinit.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>require_plugins</p></td>
<td class="parameter_description"><p><code class="literal">NULL</code>-terminated list
of plugins that should be loaded (if no so_name is specified
for the plugin, the default is used) or <code class="literal">NULL</code> to load all
plugins. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>reload</p></td>
<td class="parameter_description"><p>whether to reload the already loaded plugins or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>log_func</p></td>
<td class="parameter_description"><p>logging function to use or <code class="literal">NULL</code>
to keep the old one. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>loaded_plugin_names</p></td>
<td class="parameter_description"><p>names of the successfully
loaded plugins. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="Free data container after the code is done."><span class="acronym">transfer container</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>place to store error (if any). </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="bd-try-reinit.returns"></a><h4>Returns</h4>
<p> whether the library was successfully initialized or not</p>
<p>If <em class="parameter"><code>reload</code></em>
is <code class="literal">TRUE</code> all the plugins are closed and reloaded otherwise only
the missing plugins are loaded.</p>
<p>*UNLIKE IN CASE OF <a class="link" href="libblockdev-blockdev-library.html#bd-init" title="bd_init ()"><code class="function">bd_init()</code></a> AND <a class="link" href="libblockdev-blockdev-library.html#bd-ensure-init" title="bd_ensure_init ()"><code class="function">bd_ensure_init()</code></a>, FAILURE TO LOAD A PLUGIN
IS NOT CONSIDERED ERROR*</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="bd-is-initialized"></a><h3>bd_is_initialized ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
bd_is_initialized ();</pre>
<div class="refsect3">
<a name="bd-is-initialized.returns"></a><h4>Returns</h4>
<p> whether the library is initialized or not</p>
<p>The library is considered initialized if some of the *init*() functions
was/were called and either at least one plugin is loaded or 0 plugins are
loaded after an explicit call that requested 0 plugins to be loaded.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="bd-switch-init-checks"></a><h3>bd_switch_init_checks ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
bd_switch_init_checks (<em class="parameter"><code><span class="type">gboolean</span> enable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Enables or disables plugins' init checks based on <em class="parameter"><code>enable</code></em>
.</p>
<p>Note: The current implementation (un)sets the LIBBLOCKDEV_SKIP_DEP_CHECKS
environment variable.</p>
<div class="refsect3">
<a name="bd-switch-init-checks.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>enable</p></td>
<td class="parameter_description"><p>whether to enable init checks (<code class="literal">TRUE</code>) or not (<code class="literal">FALSE</code>)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>place to store error (if any). </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="bd-init-error-quark"></a><h3>bd_init_error_quark ()</h3>
<pre class="programlisting"><span class="returnvalue">GQuark</span>
bd_init_error_quark ();</pre>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
</div>
</div>
<div class="refsect1">
<a name="libblockdev-blockdev-library.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="BD-INIT-ERROR:CAPS"></a><h3>BD_INIT_ERROR</h3>
<pre class="programlisting">#define BD_INIT_ERROR bd_init_error_quark ()
</pre>
</div>
<hr>
<div class="refsect2">
<a name="BDInitError"></a><h3>enum BDInitError</h3>
<div class="refsect3">
<a name="BDInitError.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="BD-INIT-ERROR-PLUGINS-FAILED:CAPS"></a>BD_INIT_ERROR_PLUGINS_FAILED</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="BD-INIT-ERROR-NOT-IMPLEMENTED:CAPS"></a>BD_INIT_ERROR_NOT_IMPLEMENTED</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="BD-INIT-ERROR-FAILED:CAPS"></a>BD_INIT_ERROR_FAILED</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.27</div>
</body>
</html>
|