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 106 <a href="#nested-classes">Data Structures</a> &#124;
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 110   <div class="headertitle"><div class="title">mutex.h File Reference</div></div>
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 113 <div class="textblock"><code>#include &quot;<a class="el" href="lock__core_8h_source.html">pico/lock_core.h</a>&quot;</code><br />
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 159 <p><a href="mutex_8h_source.html">Go to the source code of this file.</a></p>
 160 <table class="memberdecls">
 161 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
 162 Data Structures</h2></td></tr>
 163 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a></td></tr>
 164 <tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">recursive mutex instance  <a href="structrecursive__mutex__t.html#details">More...</a><br /></td></tr>
 165 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 166 <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structmutex.html">mutex</a></td></tr>
 167 <tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">regular (non recursive) mutex instance  <a href="structmutex.html#details">More...</a><br /></td></tr>
 168 <tr class="separator:"><td class="memSeparator" colspan="2">&#160;</td></tr>
 169 </table><table class="memberdecls">
 170 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="define-members" name="define-members"></a>
 171 Macros</h2></td></tr>
 172 <tr class="memitem:gaa1b5d9dea897013fc5e40bf102045592"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gaa1b5d9dea897013fc5e40bf102045592">auto_init_mutex</a>(name)&#160;&#160;&#160;static __attribute__((section(&quot;.mutex_array&quot;))) mutex_t name</td></tr>
 173 <tr class="memdesc:gaa1b5d9dea897013fc5e40bf102045592"><td class="mdescLeft">&#160;</td><td class="mdescRight">Helper macro for static definition of mutexes.  <a href="group__mutex.html#gaa1b5d9dea897013fc5e40bf102045592">More...</a><br /></td></tr>
 174 <tr class="separator:gaa1b5d9dea897013fc5e40bf102045592"><td class="memSeparator" colspan="2">&#160;</td></tr>
 175 <tr class="memitem:ga3c019cd595a52ee87e06bdf20e427660"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga3c019cd595a52ee87e06bdf20e427660">auto_init_recursive_mutex</a>(name)&#160;&#160;&#160;static __attribute__((section(&quot;.mutex_array&quot;))) recursive_mutex_t name = { .core = { .spin_lock = (spin_lock_t *)1 /* marker for <a class="el" href="group__pico__runtime.html#gad27ee86dcd85855022a424f61b839d04">runtime_init</a> */ }, .owner = 0, .enter_count = 0 }</td></tr>
 176 <tr class="memdesc:ga3c019cd595a52ee87e06bdf20e427660"><td class="mdescLeft">&#160;</td><td class="mdescRight">Helper macro for static definition of recursive mutexes.  <a href="group__mutex.html#ga3c019cd595a52ee87e06bdf20e427660">More...</a><br /></td></tr>
 177 <tr class="separator:ga3c019cd595a52ee87e06bdf20e427660"><td class="memSeparator" colspan="2">&#160;</td></tr>
 178 </table><table class="memberdecls">
 179 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="typedef-members" name="typedef-members"></a>
 180 Typedefs</h2></td></tr>
 181 <tr class="memitem:gac32ff6793a910bc7b48c8b0bb3c47ea7"><td class="memItemLeft" align="right" valign="top">
 182 typedef struct <a class="el" href="structmutex.html">mutex</a>&#160;</td><td class="memItemRight" valign="bottom"><b>mutex_t</b></td></tr>
 183 <tr class="memdesc:gac32ff6793a910bc7b48c8b0bb3c47ea7"><td class="mdescLeft">&#160;</td><td class="mdescRight">regular (non recursive) mutex instance <br /></td></tr>
 184 <tr class="separator:gac32ff6793a910bc7b48c8b0bb3c47ea7"><td class="memSeparator" colspan="2">&#160;</td></tr>
 185 </table><table class="memberdecls">
 186 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
 187 Functions</h2></td></tr>
 188 <tr class="memitem:gabe21d7ce624db2df7afe86c4bba400a2"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gabe21d7ce624db2df7afe86c4bba400a2">mutex_init</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx)</td></tr>
 189 <tr class="memdesc:gabe21d7ce624db2df7afe86c4bba400a2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialise a mutex structure.  <a href="group__mutex.html#gabe21d7ce624db2df7afe86c4bba400a2">More...</a><br /></td></tr>
 190 <tr class="separator:gabe21d7ce624db2df7afe86c4bba400a2"><td class="memSeparator" colspan="2">&#160;</td></tr>
 191 <tr class="memitem:ga30d1f9d58564a1799e293451edc2d28e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga30d1f9d58564a1799e293451edc2d28e">recursive_mutex_init</a> (<a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a> *mtx)</td></tr>
 192 <tr class="memdesc:ga30d1f9d58564a1799e293451edc2d28e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Initialise a recursive mutex structure.  <a href="group__mutex.html#ga30d1f9d58564a1799e293451edc2d28e">More...</a><br /></td></tr>
 193 <tr class="separator:ga30d1f9d58564a1799e293451edc2d28e"><td class="memSeparator" colspan="2">&#160;</td></tr>
 194 <tr class="memitem:ga65b1c7af0545f478c80b51513d8f6993"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga65b1c7af0545f478c80b51513d8f6993">mutex_enter_blocking</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx)</td></tr>
 195 <tr class="memdesc:ga65b1c7af0545f478c80b51513d8f6993"><td class="mdescLeft">&#160;</td><td class="mdescRight">Take ownership of a mutex.  <a href="group__mutex.html#ga65b1c7af0545f478c80b51513d8f6993">More...</a><br /></td></tr>
 196 <tr class="separator:ga65b1c7af0545f478c80b51513d8f6993"><td class="memSeparator" colspan="2">&#160;</td></tr>
 197 <tr class="memitem:gad11f3d954d96cfdc77025735d35983e1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gad11f3d954d96cfdc77025735d35983e1">recursive_mutex_enter_blocking</a> (<a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a> *mtx)</td></tr>
 198 <tr class="memdesc:gad11f3d954d96cfdc77025735d35983e1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Take ownership of a recursive mutex.  <a href="group__mutex.html#gad11f3d954d96cfdc77025735d35983e1">More...</a><br /></td></tr>
 199 <tr class="separator:gad11f3d954d96cfdc77025735d35983e1"><td class="memSeparator" colspan="2">&#160;</td></tr>
 200 <tr class="memitem:gaa116de2f28fd7df8fb78b210e07b1ed4"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gaa116de2f28fd7df8fb78b210e07b1ed4">mutex_try_enter</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx, uint32_t *owner_out)</td></tr>
 201 <tr class="memdesc:gaa116de2f28fd7df8fb78b210e07b1ed4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attempt to take ownership of a mutex.  <a href="group__mutex.html#gaa116de2f28fd7df8fb78b210e07b1ed4">More...</a><br /></td></tr>
 202 <tr class="separator:gaa116de2f28fd7df8fb78b210e07b1ed4"><td class="memSeparator" colspan="2">&#160;</td></tr>
 203 <tr class="memitem:ga91088e6bd3929dcf86ed12cd92ee2cd8"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga91088e6bd3929dcf86ed12cd92ee2cd8">mutex_try_enter_block_until</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx, <a class="el" href="group__timestamp.html#ga8b7f3d602cc053f05bacceeacc257ed8">absolute_time_t</a> until)</td></tr>
 204 <tr class="memdesc:ga91088e6bd3929dcf86ed12cd92ee2cd8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attempt to take ownership of a mutex until the specified time.  <a href="group__mutex.html#ga91088e6bd3929dcf86ed12cd92ee2cd8">More...</a><br /></td></tr>
 205 <tr class="separator:ga91088e6bd3929dcf86ed12cd92ee2cd8"><td class="memSeparator" colspan="2">&#160;</td></tr>
 206 <tr class="memitem:gae431bbb90e45cf9ae47130a5635aa2b0"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gae431bbb90e45cf9ae47130a5635aa2b0">recursive_mutex_try_enter</a> (<a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a> *mtx, uint32_t *owner_out)</td></tr>
 207 <tr class="memdesc:gae431bbb90e45cf9ae47130a5635aa2b0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Attempt to take ownership of a recursive mutex.  <a href="group__mutex.html#gae431bbb90e45cf9ae47130a5635aa2b0">More...</a><br /></td></tr>
 208 <tr class="separator:gae431bbb90e45cf9ae47130a5635aa2b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
 209 <tr class="memitem:ga32c6e468289a81a49b4bde50a6280f83"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga32c6e468289a81a49b4bde50a6280f83">mutex_enter_timeout_ms</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx, uint32_t timeout_ms)</td></tr>
 210 <tr class="memdesc:ga32c6e468289a81a49b4bde50a6280f83"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for mutex with timeout.  <a href="group__mutex.html#ga32c6e468289a81a49b4bde50a6280f83">More...</a><br /></td></tr>
 211 <tr class="separator:ga32c6e468289a81a49b4bde50a6280f83"><td class="memSeparator" colspan="2">&#160;</td></tr>
 212 <tr class="memitem:gad54a0bdb7967571caecb62869bd4194d"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gad54a0bdb7967571caecb62869bd4194d">recursive_mutex_enter_timeout_ms</a> (<a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a> *mtx, uint32_t timeout_ms)</td></tr>
 213 <tr class="memdesc:gad54a0bdb7967571caecb62869bd4194d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for recursive mutex with timeout.  <a href="group__mutex.html#gad54a0bdb7967571caecb62869bd4194d">More...</a><br /></td></tr>
 214 <tr class="separator:gad54a0bdb7967571caecb62869bd4194d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 215 <tr class="memitem:ga553f33e9692a19f8ad956a8b770858e0"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga553f33e9692a19f8ad956a8b770858e0">mutex_enter_timeout_us</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx, uint32_t timeout_us)</td></tr>
 216 <tr class="memdesc:ga553f33e9692a19f8ad956a8b770858e0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for mutex with timeout.  <a href="group__mutex.html#ga553f33e9692a19f8ad956a8b770858e0">More...</a><br /></td></tr>
 217 <tr class="separator:ga553f33e9692a19f8ad956a8b770858e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
 218 <tr class="memitem:gaeeb630a7c13ed3adc567e62c8c737401"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gaeeb630a7c13ed3adc567e62c8c737401">recursive_mutex_enter_timeout_us</a> (<a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a> *mtx, uint32_t timeout_us)</td></tr>
 219 <tr class="memdesc:gaeeb630a7c13ed3adc567e62c8c737401"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for recursive mutex with timeout.  <a href="group__mutex.html#gaeeb630a7c13ed3adc567e62c8c737401">More...</a><br /></td></tr>
 220 <tr class="separator:gaeeb630a7c13ed3adc567e62c8c737401"><td class="memSeparator" colspan="2">&#160;</td></tr>
 221 <tr class="memitem:ga69e2f75f0a38378b20c0f2bf9cc7bbe3"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga69e2f75f0a38378b20c0f2bf9cc7bbe3">mutex_enter_block_until</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx, <a class="el" href="group__timestamp.html#ga8b7f3d602cc053f05bacceeacc257ed8">absolute_time_t</a> until)</td></tr>
 222 <tr class="memdesc:ga69e2f75f0a38378b20c0f2bf9cc7bbe3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for mutex until a specific time.  <a href="group__mutex.html#ga69e2f75f0a38378b20c0f2bf9cc7bbe3">More...</a><br /></td></tr>
 223 <tr class="separator:ga69e2f75f0a38378b20c0f2bf9cc7bbe3"><td class="memSeparator" colspan="2">&#160;</td></tr>
 224 <tr class="memitem:ga6ce3ca26cbce71a3e29396264e00e253"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga6ce3ca26cbce71a3e29396264e00e253">recursive_mutex_enter_block_until</a> (<a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a> *mtx, <a class="el" href="group__timestamp.html#ga8b7f3d602cc053f05bacceeacc257ed8">absolute_time_t</a> until)</td></tr>
 225 <tr class="memdesc:ga6ce3ca26cbce71a3e29396264e00e253"><td class="mdescLeft">&#160;</td><td class="mdescRight">Wait for mutex until a specific time.  <a href="group__mutex.html#ga6ce3ca26cbce71a3e29396264e00e253">More...</a><br /></td></tr>
 226 <tr class="separator:ga6ce3ca26cbce71a3e29396264e00e253"><td class="memSeparator" colspan="2">&#160;</td></tr>
 227 <tr class="memitem:gaf528c8fbb5f4532758859d18e24e1673"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gaf528c8fbb5f4532758859d18e24e1673">mutex_exit</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx)</td></tr>
 228 <tr class="memdesc:gaf528c8fbb5f4532758859d18e24e1673"><td class="mdescLeft">&#160;</td><td class="mdescRight">Release ownership of a mutex.  <a href="group__mutex.html#gaf528c8fbb5f4532758859d18e24e1673">More...</a><br /></td></tr>
 229 <tr class="separator:gaf528c8fbb5f4532758859d18e24e1673"><td class="memSeparator" colspan="2">&#160;</td></tr>
 230 <tr class="memitem:ga2f75321a04ba731f5875353fbaebc345"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga2f75321a04ba731f5875353fbaebc345">recursive_mutex_exit</a> (<a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a> *mtx)</td></tr>
 231 <tr class="memdesc:ga2f75321a04ba731f5875353fbaebc345"><td class="mdescLeft">&#160;</td><td class="mdescRight">Release ownership of a recursive mutex.  <a href="group__mutex.html#ga2f75321a04ba731f5875353fbaebc345">More...</a><br /></td></tr>
 232 <tr class="separator:ga2f75321a04ba731f5875353fbaebc345"><td class="memSeparator" colspan="2">&#160;</td></tr>
 233 <tr class="memitem:gae4b5ca3e872a6823f6580f1388b6585e"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#gae4b5ca3e872a6823f6580f1388b6585e">mutex_is_initialized</a> (<a class="el" href="group__mutex.html#gac32ff6793a910bc7b48c8b0bb3c47ea7">mutex_t</a> *mtx)</td></tr>
 234 <tr class="memdesc:gae4b5ca3e872a6823f6580f1388b6585e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Test for mutex initialized state.  <a href="group__mutex.html#gae4b5ca3e872a6823f6580f1388b6585e">More...</a><br /></td></tr>
 235 <tr class="separator:gae4b5ca3e872a6823f6580f1388b6585e"><td class="memSeparator" colspan="2">&#160;</td></tr>
 236 <tr class="memitem:ga97e45154e86f0d206665bbce779d112d"><td class="memItemLeft" align="right" valign="top">static bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mutex.html#ga97e45154e86f0d206665bbce779d112d">recursive_mutex_is_initialized</a> (<a class="el" href="structrecursive__mutex__t.html">recursive_mutex_t</a> *mtx)</td></tr>
 237 <tr class="memdesc:ga97e45154e86f0d206665bbce779d112d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Test for recursive mutex initialized state.  <a href="group__mutex.html#ga97e45154e86f0d206665bbce779d112d">More...</a><br /></td></tr>
 238 <tr class="separator:ga97e45154e86f0d206665bbce779d112d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 239 <tr class="memitem:ac23028c923e78aa44de6d9102d209a6c"><td class="memItemLeft" align="right" valign="top"><a id="ac23028c923e78aa44de6d9102d209a6c" name="ac23028c923e78aa44de6d9102d209a6c"></a>
 240 void&#160;</td><td class="memItemRight" valign="bottom"><b>runtime_init_mutex</b> (void)</td></tr>
 241 <tr class="separator:ac23028c923e78aa44de6d9102d209a6c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 242 </table>
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