2031 lines
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2031 lines
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<div class="headertitle"><div class="title">Atomic Instructions <div class="ingroups"><a class="el" href="group__l4util__api.html">Utility Functions</a></div></div></div>
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<div id="dynsection-0" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Collaboration diagram for Atomic Instructions:</div>
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Files</h2></td></tr>
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<tr class="memitem:atomic_2Eh" id="r_atomic_2Eh"><td class="memItemLeft" align="right" valign="top">file  </td><td class="memItemRight" valign="bottom"><a class="el" href="l4_2util_2atomic_8h.html">atomic.h</a></td></tr>
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<tr class="memdesc:l4_2util_2atomic_8h"><td class="mdescLeft"> </td><td class="mdescRight">atomic operations header and generic implementations <br /></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga8fabd69989ed49da101f8806e3e95567" id="r_ga8fabd69989ed49da101f8806e3e95567"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga8fabd69989ed49da101f8806e3e95567">l4util_cmpxchg32</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> cmp_val, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> new_val)</td></tr>
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<tr class="memdesc:ga8fabd69989ed49da101f8806e3e95567"><td class="mdescLeft"> </td><td class="mdescRight">Atomic compare and exchange (32 bit version). <br /></td></tr>
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<tr class="memitem:ga2690923e89bf236e2e2008be26522ead" id="r_ga2690923e89bf236e2e2008be26522ead"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga2690923e89bf236e2e2008be26522ead">l4util_cmpxchg16</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> cmp_val, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> new_val)</td></tr>
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<tr class="memdesc:ga2690923e89bf236e2e2008be26522ead"><td class="mdescLeft"> </td><td class="mdescRight">Atomic compare and exchange (16 bit version). <br /></td></tr>
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<tr class="memitem:ga2654b6ee96ea71c241feac5a6ee68fa3" id="r_ga2654b6ee96ea71c241feac5a6ee68fa3"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga2654b6ee96ea71c241feac5a6ee68fa3">l4util_cmpxchg8</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> cmp_val, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> new_val)</td></tr>
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<tr class="memdesc:ga2654b6ee96ea71c241feac5a6ee68fa3"><td class="mdescLeft"> </td><td class="mdescRight">Atomic compare and exchange (8 bit version). <br /></td></tr>
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<tr class="memitem:ga929dc4219f96656545bb658d95b0c7c2" id="r_ga929dc4219f96656545bb658d95b0c7c2"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga929dc4219f96656545bb658d95b0c7c2">l4util_cmpxchg</a> (volatile <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> cmp_val, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> new_val)</td></tr>
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<tr class="memdesc:ga929dc4219f96656545bb658d95b0c7c2"><td class="mdescLeft"> </td><td class="mdescRight">Atomic compare and exchange (machine wide fields). <br /></td></tr>
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<tr class="memitem:ga0efbc55fcd7e6e08c53ef3f3ca867b70" id="r_ga0efbc55fcd7e6e08c53ef3f3ca867b70"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga0efbc55fcd7e6e08c53ef3f3ca867b70">l4util_xchg32</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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<tr class="memdesc:ga0efbc55fcd7e6e08c53ef3f3ca867b70"><td class="mdescLeft"> </td><td class="mdescRight">Atomic exchange (32 bit version). <br /></td></tr>
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<tr class="memitem:ga89f488ae750ea2fff27cec847497668f" id="r_ga89f488ae750ea2fff27cec847497668f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga89f488ae750ea2fff27cec847497668f">l4util_xchg16</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memdesc:ga89f488ae750ea2fff27cec847497668f"><td class="mdescLeft"> </td><td class="mdescRight">Atomic exchange (16 bit version). <br /></td></tr>
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<tr class="memitem:ga21d6cbbc6767a63310e03123c2847d52" id="r_ga21d6cbbc6767a63310e03123c2847d52"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga21d6cbbc6767a63310e03123c2847d52">l4util_xchg8</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memdesc:ga21d6cbbc6767a63310e03123c2847d52"><td class="mdescLeft"> </td><td class="mdescRight">Atomic exchange (8 bit version). <br /></td></tr>
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<tr class="memitem:ga958db4eb4925f98fa6f1d811b7e77074" id="r_ga958db4eb4925f98fa6f1d811b7e77074"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga958db4eb4925f98fa6f1d811b7e77074">l4util_xchg</a> (volatile <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> val)</td></tr>
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<tr class="memdesc:ga958db4eb4925f98fa6f1d811b7e77074"><td class="mdescLeft"> </td><td class="mdescRight">Atomic exchange (machine wide fields). <br /></td></tr>
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<tr class="memitem:ga058914602433ca4f617675d1a3733183" id="r_ga058914602433ca4f617675d1a3733183"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga058914602433ca4f617675d1a3733183">l4util_atomic_add</a> (volatile long *dest, long val)</td></tr>
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<tr class="memdesc:ga058914602433ca4f617675d1a3733183"><td class="mdescLeft"> </td><td class="mdescRight">Atomic add. <br /></td></tr>
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<tr class="memitem:gabe604732a0a1f3182c86a4df022f5b02" id="r_gabe604732a0a1f3182c86a4df022f5b02"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gabe604732a0a1f3182c86a4df022f5b02">l4util_atomic_inc</a> (volatile long *dest)</td></tr>
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<tr class="memdesc:gabe604732a0a1f3182c86a4df022f5b02"><td class="mdescLeft"> </td><td class="mdescRight">Atomic increment. <br /></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-member-group" class="groupheader"><a id="member-group" name="member-group"></a>
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Atomic add/sub/and/or (8,16,32 bit version) without result</h2></td></tr>
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<tr class="memitem:ga3bc077b2c3afe0bc32082c76bc190899" id="r_ga3bc077b2c3afe0bc32082c76bc190899"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga3bc077b2c3afe0bc32082c76bc190899">l4util_add8</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memitem:gabefc9509b3ea9a5fb95eedb8ca87aa64" id="r_gabefc9509b3ea9a5fb95eedb8ca87aa64"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gabefc9509b3ea9a5fb95eedb8ca87aa64">l4util_add16</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memitem:ga67b7e8e3a2ef3544eeb5958f91de9ac8" id="r_ga67b7e8e3a2ef3544eeb5958f91de9ac8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga67b7e8e3a2ef3544eeb5958f91de9ac8">l4util_add32</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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<tr class="memitem:gac558ba233db4941d1d7b466325258d32" id="r_gac558ba233db4941d1d7b466325258d32"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gac558ba233db4941d1d7b466325258d32">l4util_sub8</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memitem:ga668fce4fab37f2b1d5b9f2de52477757" id="r_ga668fce4fab37f2b1d5b9f2de52477757"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga668fce4fab37f2b1d5b9f2de52477757">l4util_sub16</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memitem:gadd44be0d85d1dee9b91cc5a9a992b469" id="r_gadd44be0d85d1dee9b91cc5a9a992b469"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gadd44be0d85d1dee9b91cc5a9a992b469">l4util_sub32</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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<tr class="memitem:gaa7c973733b4eb041bd2a7c013854800e" id="r_gaa7c973733b4eb041bd2a7c013854800e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaa7c973733b4eb041bd2a7c013854800e">l4util_and8</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memitem:gaeff143978d85db992e3e11bdcb818fa8" id="r_gaeff143978d85db992e3e11bdcb818fa8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaeff143978d85db992e3e11bdcb818fa8">l4util_and16</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memitem:ga06dc4832a8ba41b8fb06376a7c126191" id="r_ga06dc4832a8ba41b8fb06376a7c126191"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga06dc4832a8ba41b8fb06376a7c126191">l4util_and32</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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<tr class="memitem:gab82aba80e64c5660e5715dea30f5d20e" id="r_gab82aba80e64c5660e5715dea30f5d20e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gab82aba80e64c5660e5715dea30f5d20e">l4util_or8</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memitem:ga6193b99dc0138955c8b2d2b133e0c4b4" id="r_ga6193b99dc0138955c8b2d2b133e0c4b4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga6193b99dc0138955c8b2d2b133e0c4b4">l4util_or16</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memitem:ga5e5792f81b6087d56d2019bd6bf34ca9" id="r_ga5e5792f81b6087d56d2019bd6bf34ca9"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga5e5792f81b6087d56d2019bd6bf34ca9">l4util_or32</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-member-group" class="groupheader"><a id="member-group" name="member-group"></a>
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Atomic add/sub/and/or operations (8,16,32 bit) with result</h2></td></tr>
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<tr class="memitem:ga3f17df140ab3fe4a7f76fd0d286beb95" id="r_ga3f17df140ab3fe4a7f76fd0d286beb95"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga3f17df140ab3fe4a7f76fd0d286beb95">l4util_add8_res</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memitem:gacc49a3760359d49dadd731ad8ee15bc0" id="r_gacc49a3760359d49dadd731ad8ee15bc0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gacc49a3760359d49dadd731ad8ee15bc0">l4util_add16_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memitem:ga2195f872d989c868b581169711a2836f" id="r_ga2195f872d989c868b581169711a2836f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga2195f872d989c868b581169711a2836f">l4util_add32_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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<tr class="memitem:gac32d8a4634c4fc4b0e512f7f11dcff7c" id="r_gac32d8a4634c4fc4b0e512f7f11dcff7c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gac32d8a4634c4fc4b0e512f7f11dcff7c">l4util_sub8_res</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memitem:gadfcc0cc982df754167c8009f0c925528" id="r_gadfcc0cc982df754167c8009f0c925528"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gadfcc0cc982df754167c8009f0c925528">l4util_sub16_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memitem:gaf9e1612643aff26859d2b2bbb2e51bc8" id="r_gaf9e1612643aff26859d2b2bbb2e51bc8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf9e1612643aff26859d2b2bbb2e51bc8">l4util_sub32_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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<tr class="memitem:ga546f459244b8453b69701f00cff0ec62" id="r_ga546f459244b8453b69701f00cff0ec62"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga546f459244b8453b69701f00cff0ec62">l4util_and8_res</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memitem:ga9e21b8546944b9f77ab6139267e1a595" id="r_ga9e21b8546944b9f77ab6139267e1a595"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga9e21b8546944b9f77ab6139267e1a595">l4util_and16_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memitem:ga349d71fe4f5231a601976fd9a086c96a" id="r_ga349d71fe4f5231a601976fd9a086c96a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga349d71fe4f5231a601976fd9a086c96a">l4util_and32_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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<tr class="memitem:gaf30110fd28cb24344f69082c7a905590" id="r_gaf30110fd28cb24344f69082c7a905590"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf30110fd28cb24344f69082c7a905590">l4util_or8_res</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest, <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> val)</td></tr>
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<tr class="memitem:ga2142acca70d2ecfc5bd51deab68a5323" id="r_ga2142acca70d2ecfc5bd51deab68a5323"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga2142acca70d2ecfc5bd51deab68a5323">l4util_or16_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> val)</td></tr>
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<tr class="memitem:gabab82a3dda596dcc8c31ef4c65586290" id="r_gabab82a3dda596dcc8c31ef4c65586290"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gabab82a3dda596dcc8c31ef4c65586290">l4util_or32_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest, <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> val)</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-member-group" class="groupheader"><a id="member-group" name="member-group"></a>
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Atomic inc/dec (8,16,32 bit) without result</h2></td></tr>
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<tr class="memitem:ga6604d3e2103436b6440e8ec2145ccb32" id="r_ga6604d3e2103436b6440e8ec2145ccb32"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga6604d3e2103436b6440e8ec2145ccb32">l4util_inc8</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest)</td></tr>
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<tr class="memitem:gae72d6ac1cfb5d63bb2a9621dad354df0" id="r_gae72d6ac1cfb5d63bb2a9621dad354df0"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gae72d6ac1cfb5d63bb2a9621dad354df0">l4util_inc16</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest)</td></tr>
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<tr class="memitem:ga03e484709d970295813352828f350928" id="r_ga03e484709d970295813352828f350928"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga03e484709d970295813352828f350928">l4util_inc32</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest)</td></tr>
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<tr class="memitem:gae9133c0ec1bdaa609ad9b9e09f9d0b2f" id="r_gae9133c0ec1bdaa609ad9b9e09f9d0b2f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#gae9133c0ec1bdaa609ad9b9e09f9d0b2f">l4util_dec8</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest)</td></tr>
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<tr class="memitem:ga05a1236598cce89213b5a755601b62b7" id="r_ga05a1236598cce89213b5a755601b62b7"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga05a1236598cce89213b5a755601b62b7">l4util_dec16</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest)</td></tr>
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<tr class="memitem:ga8c9a8d2eab2b62ef678ae2d76fc6d54f" id="r_ga8c9a8d2eab2b62ef678ae2d76fc6d54f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga8c9a8d2eab2b62ef678ae2d76fc6d54f">l4util_dec32</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest)</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 id="header-member-group" class="groupheader"><a id="member-group" name="member-group"></a>
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Atomic inc/dec (8,16,32 bit) with result</h2></td></tr>
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<tr class="memitem:gacad550336d214adea055514c1a2b58bb" id="r_gacad550336d214adea055514c1a2b58bb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gacad550336d214adea055514c1a2b58bb">l4util_inc8_res</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest)</td></tr>
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<tr class="memitem:gad07ede75e613efc81fd51454b35f8ead" id="r_gad07ede75e613efc81fd51454b35f8ead"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gad07ede75e613efc81fd51454b35f8ead">l4util_inc16_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest)</td></tr>
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<tr class="memitem:ga01a429694822f8afcea3ba5b5a3eee29" id="r_ga01a429694822f8afcea3ba5b5a3eee29"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga01a429694822f8afcea3ba5b5a3eee29">l4util_inc32_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest)</td></tr>
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<tr class="memitem:gaf10c6081fb0b071de1c53feb88886017" id="r_gaf10c6081fb0b071de1c53feb88886017"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaf10c6081fb0b071de1c53feb88886017">l4util_dec8_res</a> (volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *dest)</td></tr>
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<tr class="memitem:gaa2cbfc2598186e43938e93149c6bc43c" id="r_gaa2cbfc2598186e43938e93149c6bc43c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#gaa2cbfc2598186e43938e93149c6bc43c">l4util_dec16_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *dest)</td></tr>
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<tr class="memitem:ga2aa303a6dc86f4aac902dd428b50a684" id="r_ga2aa303a6dc86f4aac902dd428b50a684"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="#ga2aa303a6dc86f4aac902dd428b50a684">l4util_dec32_res</a> (volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *dest)</td></tr>
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</table>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
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<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
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<a id="gabefc9509b3ea9a5fb95eedb8ca87aa64" name="gabefc9509b3ea9a5fb95eedb8ca87aa64"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gabefc9509b3ea9a5fb95eedb8ca87aa64">◆ </a></span>l4util_add16()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<td class="memname">void l4util_add16 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel inline">inline</span></span> </td>
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<p></p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">dest</td><td>destination operand </td></tr>
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<tr><td class="paramname">val</td><td>value to add/sub/and/or </td></tr>
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</table>
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</dd>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00472">472</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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</div>
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</div>
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<h2 class="memtitle"><span class="permalink"><a href="#gacc49a3760359d49dadd731ad8ee15bc0">◆ </a></span>l4util_add16_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> l4util_add16_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dest</td><td>destination operand </td></tr>
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<tr><td class="paramname">val</td><td>value to add/sub/and/or </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00524">524</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga67b7e8e3a2ef3544eeb5958f91de9ac8">◆ </a></span>l4util_add32()</h2>
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<td class="memname">void l4util_add32 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dest</td><td>destination operand </td></tr>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00476">476</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2195f872d989c868b581169711a2836f">◆ </a></span>l4util_add32_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> l4util_add32_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dest</td><td>destination operand </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00528">528</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga3bc077b2c3afe0bc32082c76bc190899">◆ </a></span>l4util_add8()</h2>
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<td class="memname">void l4util_add8 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00468">468</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga3f17df140ab3fe4a7f76fd0d286beb95">◆ </a></span>l4util_add8_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> l4util_add8_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00520">520</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaeff143978d85db992e3e11bdcb818fa8">◆ </a></span>l4util_and16()</h2>
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<td class="memname">void l4util_and16 </td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00500">500</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga9e21b8546944b9f77ab6139267e1a595">◆ </a></span>l4util_and16_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> l4util_and16_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00548">548</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga06dc4832a8ba41b8fb06376a7c126191">◆ </a></span>l4util_and32()</h2>
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<td class="memname">void l4util_and32 </td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00504">504</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga349d71fe4f5231a601976fd9a086c96a">◆ </a></span>l4util_and32_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> l4util_and32_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00552">552</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa7c973733b4eb041bd2a7c013854800e">◆ </a></span>l4util_and8()</h2>
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<td class="memname">void l4util_and8 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00496">496</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga546f459244b8453b69701f00cff0ec62">◆ </a></span>l4util_and8_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> l4util_and8_res </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00544">544</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga058914602433ca4f617675d1a3733183">◆ </a></span>l4util_atomic_add()</h2>
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<td class="memname">void l4util_atomic_add </td>
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<p>Atomic add. </p>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00480">480</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gabe604732a0a1f3182c86a4df022f5b02">◆ </a></span>l4util_atomic_inc()</h2>
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<td class="memname">void l4util_atomic_inc </td>
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<td class="paramtype">volatile long *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<p>Atomic increment. </p>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00423">423</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga929dc4219f96656545bb658d95b0c7c2">◆ </a></span>l4util_cmpxchg()</h2>
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<td class="memname">int l4util_cmpxchg </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a></td> <td class="paramname"><span class="paramname"><em>new_val</em></span> )</td>
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<p>Atomic compare and exchange (machine wide fields). </p>
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<dl class="section return"><dt>Returns</dt><dd>0 if comparison failed, 1 otherwise</dd></dl>
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<p>Compare the value in <em>dest</em> with <em>cmp_val</em>, if equal set <em>dest</em> to <em>new_val</em> </p>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00379">379</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<p class="reference">Referenced by <a class="el" href="bitops_8h_source.html#l00278">l4util_btr()</a>, <a class="el" href="bitops_8h_source.html#l00256">l4util_bts()</a>, <a class="el" href="bitops_8h_source.html#l00226">l4util_clear_bit()</a>, and <a class="el" href="bitops_8h_source.html#l00207">l4util_set_bit()</a>.</p>
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<div id="dynsection-1" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Here is the caller graph for this function:</div>
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<div class="center"><iframe scrolling="no" loading="lazy" frameborder="0" src="group__l4util__atomic_ga929dc4219f96656545bb658d95b0c7c2_icgraph.svg" width="299" height="184"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2690923e89bf236e2e2008be26522ead">◆ </a></span>l4util_cmpxchg16()</h2>
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<td class="memname">int l4util_cmpxchg16 </td>
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<p>Atomic compare and exchange (16 bit version). </p>
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<dl class="section return"><dt>Returns</dt><dd>0 if comparison failed, !=0 otherwise</dd></dl>
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<p>Compare the value in <em>dest</em> with <em>cmp_val</em>, if equal set <em>dest</em> to <em>new_val</em> </p>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00363">363</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8fabd69989ed49da101f8806e3e95567">◆ </a></span>l4util_cmpxchg32()</h2>
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<td class="memname"><a class="el" href="group__l4sys__defines.html#ga7b3d88f2118cbb7b8057a860dbdd0381">L4_END_DECLS</a> int l4util_cmpxchg32 </td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<p>Atomic compare and exchange (32 bit version). </p>
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<dl class="section return"><dt>Returns</dt><dd>0 if comparison failed, !=0 otherwise</dd></dl>
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<p>Compare the value in <em>dest</em> with <em>cmp_val</em>, if equal set <em>dest</em> to <em>new_val</em> </p>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00355">355</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2654b6ee96ea71c241feac5a6ee68fa3">◆ </a></span>l4util_cmpxchg8()</h2>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>cmp_val</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>new_val</em></span> )</td>
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<p>Atomic compare and exchange (8 bit version). </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>0 if comparison failed, !=0 otherwise</dd></dl>
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<p>Compare the value in <em>dest</em> with <em>cmp_val</em>, if equal set <em>dest</em> to <em>new_val</em> </p>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00371">371</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga05a1236598cce89213b5a755601b62b7">◆ </a></span>l4util_dec16()</h2>
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<td class="memname">void l4util_dec16 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<p></p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dest</td><td>destination operand </td></tr>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00431">431</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa2cbfc2598186e43938e93149c6bc43c">◆ </a></span>l4util_dec16_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> l4util_dec16_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<p></p>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00456">456</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8c9a8d2eab2b62ef678ae2d76fc6d54f">◆ </a></span>l4util_dec32()</h2>
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<td class="memname">void l4util_dec32 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00435">435</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2aa303a6dc86f4aac902dd428b50a684">◆ </a></span>l4util_dec32_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> l4util_dec32_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00460">460</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gae9133c0ec1bdaa609ad9b9e09f9d0b2f">◆ </a></span>l4util_dec8()</h2>
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<td class="memname">void l4util_dec8 </td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00427">427</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf10c6081fb0b071de1c53feb88886017">◆ </a></span>l4util_dec8_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> l4util_dec8_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00452">452</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gae72d6ac1cfb5d63bb2a9621dad354df0">◆ </a></span>l4util_inc16()</h2>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00415">415</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gad07ede75e613efc81fd51454b35f8ead">◆ </a></span>l4util_inc16_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> l4util_inc16_res </td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00444">444</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga03e484709d970295813352828f350928">◆ </a></span>l4util_inc32()</h2>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00419">419</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga01a429694822f8afcea3ba5b5a3eee29">◆ </a></span>l4util_inc32_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> l4util_inc32_res </td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00448">448</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6604d3e2103436b6440e8ec2145ccb32">◆ </a></span>l4util_inc8()</h2>
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<td class="memname">void l4util_inc8 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00411">411</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gacad550336d214adea055514c1a2b58bb">◆ </a></span>l4util_inc8_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> l4util_inc8_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00440">440</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6193b99dc0138955c8b2d2b133e0c4b4">◆ </a></span>l4util_or16()</h2>
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<td class="memname">void l4util_or16 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dest</td><td>destination operand </td></tr>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00512">512</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2142acca70d2ecfc5bd51deab68a5323">◆ </a></span>l4util_or16_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> l4util_or16_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dest</td><td>destination operand </td></tr>
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<tr><td class="paramname">val</td><td>value to add/sub/and/or </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00560">560</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga5e5792f81b6087d56d2019bd6bf34ca9">◆ </a></span>l4util_or32()</h2>
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<td class="memname">void l4util_or32 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00516">516</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gabab82a3dda596dcc8c31ef4c65586290">◆ </a></span>l4util_or32_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> l4util_or32_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00564">564</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gab82aba80e64c5660e5715dea30f5d20e">◆ </a></span>l4util_or8()</h2>
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<td class="memname">void l4util_or8 </td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00508">508</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf30110fd28cb24344f69082c7a905590">◆ </a></span>l4util_or8_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> l4util_or8_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00556">556</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga668fce4fab37f2b1d5b9f2de52477757">◆ </a></span>l4util_sub16()</h2>
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<td class="memname">void l4util_sub16 </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00488">488</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gadfcc0cc982df754167c8009f0c925528">◆ </a></span>l4util_sub16_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> l4util_sub16_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00536">536</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gadd44be0d85d1dee9b91cc5a9a992b469">◆ </a></span>l4util_sub32()</h2>
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<td class="memname">void l4util_sub32 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00492">492</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf9e1612643aff26859d2b2bbb2e51bc8">◆ </a></span>l4util_sub32_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> l4util_sub32_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00540">540</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gac558ba233db4941d1d7b466325258d32">◆ </a></span>l4util_sub8()</h2>
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<td class="memname">void l4util_sub8 </td>
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<td>(</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00484">484</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gac32d8a4634c4fc4b0e512f7f11dcff7c">◆ </a></span>l4util_sub8_res()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> l4util_sub8_res </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<dl class="section return"><dt>Returns</dt><dd>res </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00532">532</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga958db4eb4925f98fa6f1d811b7e77074">◆ </a></span>l4util_xchg()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga1c2c4b333f75b1d05b59855910f2b9cb">l4_umword_t</a> l4util_xchg </td>
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<td>(</td>
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<p>Atomic exchange (machine wide fields). </p>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00405">405</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga89f488ae750ea2fff27cec847497668f">◆ </a></span>l4util_xchg16()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> l4util_xchg16 </td>
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<td>(</td>
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<p>Atomic exchange (16 bit version). </p>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00393">393</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga0efbc55fcd7e6e08c53ef3f3ca867b70">◆ </a></span>l4util_xchg32()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> l4util_xchg32 </td>
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<td>(</td>
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<p>Atomic exchange (32 bit version). </p>
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<dl class="section return"><dt>Returns</dt><dd>old value at destination </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00387">387</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga21d6cbbc6767a63310e03123c2847d52">◆ </a></span>l4util_xchg8()</h2>
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<td class="memname"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> l4util_xchg8 </td>
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<td>(</td>
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<td class="paramtype">volatile <a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span>, </td>
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<td class="paramtype"><a class="el" href="group__l4__basic__types.html#ga9678dc2e6bf3e4d8ec950162576b0fad">l4_uint8_t</a></td> <td class="paramname"><span class="paramname"><em>val</em></span> )</td>
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<p>Atomic exchange (8 bit version). </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dest</td><td>destination operand </td></tr>
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<tr><td class="paramname">val</td><td>new value for dest</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>old value at destination </dd></dl>
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<p class="definition">Definition at line <a class="el" href="l4_2util_2atomic_8h_source.html#l00399">399</a> of file <a class="el" href="l4_2util_2atomic_8h_source.html">atomic.h</a>.</p>
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