teaching/moslab-code
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
95fe1a69c914a4f59fd6aa8a04cddd7889be74d4
moslab-code/doc/source/html/____timeout_8h_source.html
vreusch d959eaab98 l4re-base-25.08.0
2025-09-12 15:55:45 +02:00

352 lines
56 KiB
HTML
Raw Blame History

<!-- HTML header for doxygen 1.9.1-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.15.0"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>L4Re Operating System Framework: l4/sys/__timeout.h Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript" src="cookie.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
<link href="doxygen-awesome.css" rel="stylesheet" type="text/css"/>
<link href="l4re-awesome.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectlogo"><img alt="Logo" src="L4Re_rgb_logo_quer_hg_h55.png"/></td>
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">L4Re Operating System Framework
</div>
<div id="projectbrief">Interface and Usage Documentation</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.15.0 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search/",'.html');
</script>
<script type="text/javascript">
$(function() { codefold.init(); });
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
$(function() {
initMenu('',true,false,'search.php','Search',true);
$(function() { init_search(); });
});
</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(function(){initNavTree('____timeout_8h_source.html','',''); });
</script>
<div id="container">
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<div id="MSearchResults">
<div class="SRPage">
<div id="SRIndex">
<div id="SRResults"></div>
<div class="SRStatus" id="Loading">Loading...</div>
<div class="SRStatus" id="Searching">Searching...</div>
<div class="SRStatus" id="NoMatches">No Matches</div>
</div>
</div>
</div>
</div>
<div class="header">
<div class="headertitle"><div class="title">__timeout.h</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">/*</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * (c) 2008-2009 Adam Lackorzynski &lt;adam@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * Alexander Warg &lt;warg@os.inf.tu-dresden.de&gt;,</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> * Torsten Frenzel &lt;frenzel@os.inf.tu-dresden.de&gt;</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * economic rights: Technische Universität Dresden (Germany)</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> *</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * License: see LICENSE.spdx (in this directory or the directories above)</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> */</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="preprocessor">#ifndef L4_SYS_TIMEOUT_H__</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="preprocessor">#define L4_SYS_TIMEOUT_H__</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="preprocessor">#include &lt;<a class="code" href="l4_2sys_2l4int_8h.html">l4/sys/l4int.h</a>&gt;</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="preprocessor">#include &lt;<a class="code" href="compiler_8h.html">l4/sys/compiler.h</a>&gt;</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span></div>
<div class="foldopen" id="foldopen00040" data-start="{" data-end="};">
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"><a class="line" href="structl4__timeout__s.html"> 40</a></span><span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> {</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="structl4__timeout__s.html#a21ffd90db09f5ce67eaabe0cf616de5e"> 41</a></span> <a class="code hl_typedef" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> <a class="code hl_variable" href="structl4__timeout__s.html#a21ffd90db09f5ce67eaabe0cf616de5e">t</a>; </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#gae8d92e6e03cfe8c597003069302500a5"> 42</a></span>} __attribute__((packed)) <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a>;</div>
</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span></div>
<div class="foldopen" id="foldopen00052" data-start="{" data-end="};">
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"><a class="line" href="unionl4__timeout__t.html"> 52</a></span><span class="keyword">typedef</span> <span class="keyword">union </span><a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span>{</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="unionl4__timeout__t.html#a725392ca39e3c206b5732521ff423e76"> 54</a></span> <a class="code hl_typedef" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a> <a class="code hl_variable" href="unionl4__timeout__t.html#a725392ca39e3c206b5732521ff423e76">raw</a>; </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">struct</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> {</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="preprocessor">#ifdef __BIG_ENDIAN__</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> <a class="code hl_variable" href="unionl4__timeout__t.html#a9e20b6f3f5669761952fe8c0d93662fd">snd</a>; </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> <a class="code hl_variable" href="unionl4__timeout__t.html#ad701def0cd596dd740df297e89298ea6">rcv</a>; </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="unionl4__timeout__t.html#ad701def0cd596dd740df297e89298ea6"> 61</a></span> <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> <a class="code hl_variable" href="unionl4__timeout__t.html#ad701def0cd596dd740df297e89298ea6">rcv</a>; </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="unionl4__timeout__t.html#a9e20b6f3f5669761952fe8c0d93662fd"> 62</a></span> <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> <a class="code hl_variable" href="unionl4__timeout__t.html#a9e20b6f3f5669761952fe8c0d93662fd">snd</a>; </div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"><a class="line" href="unionl4__timeout__t.html#a13e6b984a65ded4e9fa25eb614a73c87"> 64</a></span> } <a class="code hl_variable" href="unionl4__timeout__t.html#a13e6b984a65ded4e9fa25eb614a73c87">p</a>; </div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga208b8e86227b25b180a9283d37d3c468"> 65</a></span>} <a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a>;</div>
</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga1fd51d98ee92362453e7bc266fa8b455"> 73</a></span><span class="preprocessor">#define L4_IPC_TIMEOUT_0 ((l4_timeout_s){0x0400}) </span><span class="preprocessor"></span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga10233285bd94a308b93087f765c83218"> 74</a></span><span class="preprocessor">#define L4_IPC_TIMEOUT_NEVER ((l4_timeout_s){0}) </span><span class="preprocessor"></span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga001c8f4d28b1d35cbf5efcc9af2d53f1"> 75</a></span><span class="preprocessor">#define L4_IPC_NEVER_INITIALIZER {0} </span><span class="preprocessor"></span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#gaf01c5e1475efc4f33bc7d1985f7320d3"> 76</a></span><span class="preprocessor">#define L4_IPC_NEVER ((l4_timeout_t){0}) </span><span class="preprocessor"></span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga2b4da3c70663874f146d8309ff6d0bc1"> 77</a></span><span class="preprocessor">#define L4_IPC_RECV_TIMEOUT_0 ((l4_timeout_t){0x00000400}) </span><span class="preprocessor"></span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga22a6a662679f6baaa0ae931d8bb443ea"> 78</a></span><span class="preprocessor">#define L4_IPC_SEND_TIMEOUT_0 ((l4_timeout_t){0x04000000}) </span><span class="preprocessor"></span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#gac33be3c7adb0515c7085b82d647517a2"> 79</a></span><span class="preprocessor">#define L4_IPC_BOTH_TIMEOUT_0 ((l4_timeout_t){0x04000400}) </span><span class="preprocessor"></span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga34e6a9e35574ebeb3c4fea0bf6149a4b"> 85</a></span><span class="preprocessor">#define L4_TIMEOUT_US_NEVER (~0ULL)</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#gaa93cb666f12fc206a0095c899f417787"> 91</a></span><span class="preprocessor">#define L4_TIMEOUT_US_MAX ((1ULL &lt;&lt; 41) - 1)</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span><a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> <a class="code hl_function" href="group__l4__timeout__api.html#ga0967b51ac450edca1eae7b6289320731">l4_timeout_rel</a>(<span class="keywordtype">unsigned</span> man, <span class="keywordtype">unsigned</span> exp) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span><a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a> <a class="code hl_function" href="group__l4__timeout__api.html#ga4f2ccd6c8ff6672a6bb22803a1009126">l4_ipc_timeout</a>(<span class="keywordtype">unsigned</span> snd_man, <span class="keywordtype">unsigned</span> snd_exp,</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordtype">unsigned</span> rcv_man, <span class="keywordtype">unsigned</span> rcv_exp) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a> <a class="code hl_function" href="group__l4__timeout__api.html#ga7c5eebe8f0c4b5718ead96072886e7d2">l4_timeout</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> snd, <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> rcv) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="keywordtype">void</span> <a class="code hl_function" href="group__l4__timeout__api.html#ga81a3cccb62603cf13f26d61a61a442cd">l4_snd_timeout</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> snd, <a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a> *to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="keywordtype">void</span> <a class="code hl_function" href="group__l4__timeout__api.html#ga153f7988c40df2fb5dd6dd468923e5f6">l4_rcv_timeout</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> rcv, <a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a> *to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span><a class="code hl_typedef" href="group__l4__basic__types.html#gab71da24eb7cda2c035f18b862309b101">l4_kernel_clock_t</a> <a class="code hl_function" href="group__l4__timeout__api.html#gad36403610d9a5b4d3bdcb6fcb249ba6c">l4_timeout_rel_get</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span><span class="keywordtype">unsigned</span> <a class="code hl_function" href="group__l4__timeout__api.html#gabad6526067fe7f0e0268fa00efab7599">l4_timeout_is_absolute</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span><a class="code hl_typedef" href="group__l4__basic__types.html#gab71da24eb7cda2c035f18b862309b101">l4_kernel_clock_t</a> <a class="code hl_function" href="group__l4__timeout__api.html#ga1e9fecdd16e5d68f816797453e74d6c5">l4_timeout_get</a>(<a class="code hl_typedef" href="group__l4__basic__types.html#gab71da24eb7cda2c035f18b862309b101">l4_kernel_clock_t</a> cur, <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span><a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> l4_timeout_from_us(<a class="code hl_typedef" href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a> us) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a>;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> </div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span><span class="comment">/*</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span><span class="comment"> * Implementation</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span><span class="comment"> */</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="foldopen" id="foldopen00203" data-start="{" data-end="}">
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga4f2ccd6c8ff6672a6bb22803a1009126"> 203</a></span><a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a> <a class="code hl_function" href="group__l4__timeout__api.html#ga4f2ccd6c8ff6672a6bb22803a1009126">l4_ipc_timeout</a>(<span class="keywordtype">unsigned</span> snd_man, <span class="keywordtype">unsigned</span> snd_exp,</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <span class="keywordtype">unsigned</span> rcv_man, <span class="keywordtype">unsigned</span> rcv_exp) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span>{</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> <a class="code hl_typedef" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> snd = (snd_man &amp; 0x3ff) | ((snd_exp &lt;&lt; 10) &amp; 0x7c00);</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <a class="code hl_typedef" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> rcv = (rcv_man &amp; 0x3ff) | ((rcv_exp &lt;&lt; 10) &amp; 0x7c00);</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">return</span> <a class="code hl_function" href="group__l4__timeout__api.html#ga7c5eebe8f0c4b5718ead96072886e7d2">l4_timeout</a>((<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a>){snd}, (<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a>){rcv});</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span>}</div>
</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="foldopen" id="foldopen00213" data-start="{" data-end="}">
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga7c5eebe8f0c4b5718ead96072886e7d2"> 213</a></span><a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a> <a class="code hl_function" href="group__l4__timeout__api.html#ga7c5eebe8f0c4b5718ead96072886e7d2">l4_timeout</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> snd, <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> rcv) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span>{</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> <span class="keywordflow">return</span> (<a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a>){ ((<a class="code hl_typedef" href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a>){snd.t} &lt;&lt; 16) | rcv.t };</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span>}</div>
</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="foldopen" id="foldopen00220" data-start="{" data-end="}">
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga81a3cccb62603cf13f26d61a61a442cd"> 220</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__l4__timeout__api.html#ga81a3cccb62603cf13f26d61a61a442cd">l4_snd_timeout</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> snd, <a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a> *to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span>{</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> to-&gt;p.snd = snd;</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span>}</div>
</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="foldopen" id="foldopen00227" data-start="{" data-end="}">
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga153f7988c40df2fb5dd6dd468923e5f6"> 227</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="group__l4__timeout__api.html#ga153f7988c40df2fb5dd6dd468923e5f6">l4_rcv_timeout</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> rcv, <a class="code hl_union" href="unionl4__timeout__t.html">l4_timeout_t</a> *to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span>{</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> to-&gt;p.rcv = rcv;</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span>}</div>
</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="foldopen" id="foldopen00234" data-start="{" data-end="}">
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga0967b51ac450edca1eae7b6289320731"> 234</a></span><a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> <a class="code hl_function" href="group__l4__timeout__api.html#ga0967b51ac450edca1eae7b6289320731">l4_timeout_rel</a>(<span class="keywordtype">unsigned</span> man, <span class="keywordtype">unsigned</span> exp) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span>{</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <span class="keywordflow">return</span> (<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a>){(<a class="code hl_typedef" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a>)((man &amp; 0x3ff) | ((exp &lt;&lt; 10) &amp; 0x7c00))};</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span>}</div>
</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="foldopen" id="foldopen00241" data-start="{" data-end="}">
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#gad36403610d9a5b4d3bdcb6fcb249ba6c"> 241</a></span><a class="code hl_typedef" href="group__l4__basic__types.html#gab71da24eb7cda2c035f18b862309b101">l4_kernel_clock_t</a> <a class="code hl_function" href="group__l4__timeout__api.html#gad36403610d9a5b4d3bdcb6fcb249ba6c">l4_timeout_rel_get</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span>{</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">if</span> (to.t == 0)</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">return</span> ~0ULL;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <span class="keywordflow">return</span> (<a class="code hl_typedef" href="group__l4__basic__types.html#gab71da24eb7cda2c035f18b862309b101">l4_kernel_clock_t</a>)(to.t &amp; 0x3ff) &lt;&lt; ((to.t &gt;&gt; 10) &amp; 0x1f);</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span>}</div>
</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> </div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="foldopen" id="foldopen00250" data-start="{" data-end="}">
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#gabad6526067fe7f0e0268fa00efab7599"> 250</a></span><span class="keywordtype">unsigned</span> <a class="code hl_function" href="group__l4__timeout__api.html#gabad6526067fe7f0e0268fa00efab7599">l4_timeout_is_absolute</a>(<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span>{</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> <span class="keywordflow">return</span> to.t &amp; 0x8000;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span>}</div>
</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="foldopen" id="foldopen00257" data-start="{" data-end="}">
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"><a class="line" href="group__l4__timeout__api.html#ga1e9fecdd16e5d68f816797453e74d6c5"> 257</a></span><a class="code hl_typedef" href="group__l4__basic__types.html#gab71da24eb7cda2c035f18b862309b101">l4_kernel_clock_t</a> <a class="code hl_function" href="group__l4__timeout__api.html#ga1e9fecdd16e5d68f816797453e74d6c5">l4_timeout_get</a>(<a class="code hl_typedef" href="group__l4__basic__types.html#gab71da24eb7cda2c035f18b862309b101">l4_kernel_clock_t</a> cur, <a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> to) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span>{</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="group__l4__timeout__api.html#gabad6526067fe7f0e0268fa00efab7599">l4_timeout_is_absolute</a>(to))</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> <span class="keywordflow">return</span> 0; <span class="comment">/* We cannot retrieve the value ... */</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> <span class="keywordflow">return</span> cur + <a class="code hl_function" href="group__l4__timeout__api.html#gad36403610d9a5b4d3bdcb6fcb249ba6c">l4_timeout_rel_get</a>(to);</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span>}</div>
</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span><a class="code hl_define" href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a> <a class="code hl_define" href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span><a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a> l4_timeout_from_us(<a class="code hl_typedef" href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a> us) <a class="code hl_define" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span>{</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> <span class="keywordflow">if</span> (us == 0)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> <span class="keywordflow">return</span> <a class="code hl_define" href="group__l4__timeout__api.html#ga1fd51d98ee92362453e7bc266fa8b455">L4_IPC_TIMEOUT_0</a>;</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (us == <a class="code hl_define" href="group__l4__timeout__api.html#ga34e6a9e35574ebeb3c4fea0bf6149a4b">L4_TIMEOUT_US_NEVER</a> || us &gt; <a class="code hl_define" href="group__l4__timeout__api.html#gaa93cb666f12fc206a0095c899f417787">L4_TIMEOUT_US_MAX</a>)</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">return</span> <a class="code hl_define" href="group__l4__timeout__api.html#ga10233285bd94a308b93087f765c83218">L4_IPC_TIMEOUT_NEVER</a>;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> {</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="comment">/* Here it is certain that at least one bit in &#39;us&#39; is set. */</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> </div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <a class="code hl_typedef" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> m = 0; <span class="comment">// initialization required by constexpr, optimized away</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> <a class="code hl_typedef" href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a> v = 0; <span class="comment">// initialization required by constexpr, optimized away</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordtype">int</span> e = (63 - __builtin_clzll(us)) - 9;</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> <span class="keywordflow">if</span> (e &lt; 0)</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> e = 0;</div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> </div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="comment">/* Here it is certain that &#39;0 &lt;= e &lt;= 31&#39; and &#39;1 &lt;= 2^e &lt;= 2^31&#39;:</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span><span class="comment"> * L4_TIMEOUT_US_MAX = 2^41-1 = 0x000001ffffffffff =&gt; e = 31.</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span><span class="comment"> * Note: 2^41-1 (0x000001ffffffffff) &gt; 1023*2^31 (0x00001ff800000000). */</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> </div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> m = us &gt;&gt; e;</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> <span class="comment">/* Here it is certain that &#39;1 &lt;= m &lt;= 1023. Consider the following cases:</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span><span class="comment"> * o 1 &lt;= us &lt;= 1023: e = 0; 2^e = 1; 1 &lt;= us/1 &lt;= 1023</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span><span class="comment"> * o 1024 &lt;= us &lt;= 2047: e = 1; 2^e = 2; 512 &lt;= us/2 &lt;= 1023</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span><span class="comment"> * o 2048 &lt;= us &lt;= 4095: e = 2; 2^e = 4; 512 &lt;= us/4 &lt;= 1023</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span><span class="comment"> * ...</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span><span class="comment"> * o 2^31 &lt;= us &lt;= 2^32-1: e = 22; 512 &lt;= us/2^22 &lt;= 1023</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span><span class="comment"> * o 2^40 &lt;= us &lt;= 2^41-1: e = 31; 512 &lt;= us/2^31 &lt;= 1023</span></div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span><span class="comment"> *</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span><span class="comment"> * Dividing by (1&lt;&lt;e) ensures that for all us &lt; 2^41: m &lt; 2^10.</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span><span class="comment"> *</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span><span class="comment"> * Maximum possible timeout using this format: L4_TIMEOUT_US_MAX = 2^41-1:</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span><span class="comment"> * e = 31, m = 1023 =&gt; 2&#39;196&#39;875&#39;771&#39;904 us = 610h 14m 35s.</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span><span class="comment"> */</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> </div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> <span class="comment">/* Without introducing &#39;v&#39; we had to type-cast the expression to</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span><span class="comment"> * l4_uint16_t. This cannot be avoided by declaring m and e_pow_10 as</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span><span class="comment"> * l4_uint16_t due to C++ integer promotion. */</span></div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> v = (e &lt;&lt; 10) | m;</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">return</span> (<a class="code hl_struct" href="structl4__timeout__s.html">l4_timeout_s</a>){v};</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> }</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span>}</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="acompiler_8h_html"><div class="ttname"><a href="compiler_8h.html">compiler.h</a></div><div class="ttdoc">L4 compiler related defines.</div></div>
<div class="ttc" id="agroup__l4__basic__types_html_gab71da24eb7cda2c035f18b862309b101"><div class="ttname"><a href="group__l4__basic__types.html#gab71da24eb7cda2c035f18b862309b101">l4_kernel_clock_t</a></div><div class="ttdeci">l4_uint64_t l4_kernel_clock_t</div><div class="ttdoc">Kernel clock type.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00053">l4int.h:53</a></div></div>
<div class="ttc" id="agroup__l4__basic__types_html_gac1d09f3e382e711b776931f10e6e1e5a"><div class="ttname"><a href="group__l4__basic__types.html#gac1d09f3e382e711b776931f10e6e1e5a">l4_uint32_t</a></div><div class="ttdeci">unsigned int l4_uint32_t</div><div class="ttdoc">Unsigned 32bit value.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00029">l4int.h:29</a></div></div>
<div class="ttc" id="agroup__l4__basic__types_html_gae8d67914f723bf843df6f311ad2619a2"><div class="ttname"><a href="group__l4__basic__types.html#gae8d67914f723bf843df6f311ad2619a2">l4_uint16_t</a></div><div class="ttdeci">unsigned short int l4_uint16_t</div><div class="ttdoc">Unsigned 16bit value.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00027">l4int.h:27</a></div></div>
<div class="ttc" id="agroup__l4__basic__types_html_gaf3331c485014bd12a9e4f9d27a55e689"><div class="ttname"><a href="group__l4__basic__types.html#gaf3331c485014bd12a9e4f9d27a55e689">l4_uint64_t</a></div><div class="ttdeci">unsigned long long l4_uint64_t</div><div class="ttdoc">Unsigned 64bit value.</div><div class="ttdef"><b>Definition</b> <a href="l4_2sys_2l4int_8h_source.html#l00031">l4int.h:31</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga0967b51ac450edca1eae7b6289320731"><div class="ttname"><a href="group__l4__timeout__api.html#ga0967b51ac450edca1eae7b6289320731">l4_timeout_rel</a></div><div class="ttdeci">L4_CONSTEXPR l4_timeout_s l4_timeout_rel(unsigned man, unsigned exp) L4_NOTHROW</div><div class="ttdoc">Get relative timeout consisting of mantissa and exponent.</div><div class="ttdef"><b>Definition</b> <a href="#l00234">__timeout.h:234</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga10233285bd94a308b93087f765c83218"><div class="ttname"><a href="group__l4__timeout__api.html#ga10233285bd94a308b93087f765c83218">L4_IPC_TIMEOUT_NEVER</a></div><div class="ttdeci">#define L4_IPC_TIMEOUT_NEVER</div><div class="ttdoc">never timeout</div><div class="ttdef"><b>Definition</b> <a href="#l00074">__timeout.h:74</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga153f7988c40df2fb5dd6dd468923e5f6"><div class="ttname"><a href="group__l4__timeout__api.html#ga153f7988c40df2fb5dd6dd468923e5f6">l4_rcv_timeout</a></div><div class="ttdeci">L4_CONSTEXPR void l4_rcv_timeout(l4_timeout_s rcv, l4_timeout_t *to) L4_NOTHROW</div><div class="ttdoc">Set receive timeout in given to timeout.</div><div class="ttdef"><b>Definition</b> <a href="#l00227">__timeout.h:227</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga1e9fecdd16e5d68f816797453e74d6c5"><div class="ttname"><a href="group__l4__timeout__api.html#ga1e9fecdd16e5d68f816797453e74d6c5">l4_timeout_get</a></div><div class="ttdeci">L4_CONSTEXPR l4_kernel_clock_t l4_timeout_get(l4_kernel_clock_t cur, l4_timeout_s to) L4_NOTHROW</div><div class="ttdoc">Get clock value for a clock + a timeout.</div><div class="ttdef"><b>Definition</b> <a href="#l00257">__timeout.h:257</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga1fd51d98ee92362453e7bc266fa8b455"><div class="ttname"><a href="group__l4__timeout__api.html#ga1fd51d98ee92362453e7bc266fa8b455">L4_IPC_TIMEOUT_0</a></div><div class="ttdeci">#define L4_IPC_TIMEOUT_0</div><div class="ttdoc">Timeout constants.</div><div class="ttdef"><b>Definition</b> <a href="#l00073">__timeout.h:73</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga34e6a9e35574ebeb3c4fea0bf6149a4b"><div class="ttname"><a href="group__l4__timeout__api.html#ga34e6a9e35574ebeb3c4fea0bf6149a4b">L4_TIMEOUT_US_NEVER</a></div><div class="ttdeci">#define L4_TIMEOUT_US_NEVER</div><div class="ttdoc">The waiting period in microseconds which is interpreted as &quot;never&quot; by l4_timeout_from_us().</div><div class="ttdef"><b>Definition</b> <a href="#l00085">__timeout.h:85</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga4f2ccd6c8ff6672a6bb22803a1009126"><div class="ttname"><a href="group__l4__timeout__api.html#ga4f2ccd6c8ff6672a6bb22803a1009126">l4_ipc_timeout</a></div><div class="ttdeci">L4_CONSTEXPR l4_timeout_t l4_ipc_timeout(unsigned snd_man, unsigned snd_exp, unsigned rcv_man, unsigned rcv_exp) L4_NOTHROW</div><div class="ttdoc">Convert explicit timeout values to l4_timeout_t type.</div><div class="ttdef"><b>Definition</b> <a href="#l00203">__timeout.h:203</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga7c5eebe8f0c4b5718ead96072886e7d2"><div class="ttname"><a href="group__l4__timeout__api.html#ga7c5eebe8f0c4b5718ead96072886e7d2">l4_timeout</a></div><div class="ttdeci">L4_CONSTEXPR l4_timeout_t l4_timeout(l4_timeout_s snd, l4_timeout_s rcv) L4_NOTHROW</div><div class="ttdoc">Combine send and receive timeout in a timeout.</div><div class="ttdef"><b>Definition</b> <a href="#l00213">__timeout.h:213</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_ga81a3cccb62603cf13f26d61a61a442cd"><div class="ttname"><a href="group__l4__timeout__api.html#ga81a3cccb62603cf13f26d61a61a442cd">l4_snd_timeout</a></div><div class="ttdeci">L4_CONSTEXPR void l4_snd_timeout(l4_timeout_s snd, l4_timeout_t *to) L4_NOTHROW</div><div class="ttdoc">Set send timeout in given to timeout.</div><div class="ttdef"><b>Definition</b> <a href="#l00220">__timeout.h:220</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_gaa93cb666f12fc206a0095c899f417787"><div class="ttname"><a href="group__l4__timeout__api.html#gaa93cb666f12fc206a0095c899f417787">L4_TIMEOUT_US_MAX</a></div><div class="ttdeci">#define L4_TIMEOUT_US_MAX</div><div class="ttdoc">The longest waiting period in microseconds accepted by l4_timeout_from_us().</div><div class="ttdef"><b>Definition</b> <a href="#l00091">__timeout.h:91</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_gabad6526067fe7f0e0268fa00efab7599"><div class="ttname"><a href="group__l4__timeout__api.html#gabad6526067fe7f0e0268fa00efab7599">l4_timeout_is_absolute</a></div><div class="ttdeci">L4_CONSTEXPR unsigned l4_timeout_is_absolute(l4_timeout_s to) L4_NOTHROW</div><div class="ttdoc">Return whether the given timeout is absolute or not.</div><div class="ttdef"><b>Definition</b> <a href="#l00250">__timeout.h:250</a></div></div>
<div class="ttc" id="agroup__l4__timeout__api_html_gad36403610d9a5b4d3bdcb6fcb249ba6c"><div class="ttname"><a href="group__l4__timeout__api.html#gad36403610d9a5b4d3bdcb6fcb249ba6c">l4_timeout_rel_get</a></div><div class="ttdeci">L4_CONSTEXPR l4_kernel_clock_t l4_timeout_rel_get(l4_timeout_s to) L4_NOTHROW</div><div class="ttdoc">Get clock value of out timeout.</div><div class="ttdef"><b>Definition</b> <a href="#l00241">__timeout.h:241</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga362dfa378e662dd04f710a23fc7ea931"><div class="ttname"><a href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></div><div class="ttdeci">#define L4_NOTHROW</div><div class="ttdoc">Mark a function declaration and definition as never throwing an exception.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00161">compiler.h:161</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga427377e23e3680dc178035d391b2ca45"><div class="ttname"><a href="group__l4sys__defines.html#ga427377e23e3680dc178035d391b2ca45">L4_INLINE</a></div><div class="ttdeci">#define L4_INLINE</div><div class="ttdoc">L4 Inline function attribute.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00051">compiler.h:51</a></div></div>
<div class="ttc" id="agroup__l4sys__defines_html_ga72341295822842d4830284fa77b9a46a"><div class="ttname"><a href="group__l4sys__defines.html#ga72341295822842d4830284fa77b9a46a">L4_CONSTEXPR</a></div><div class="ttdeci">#define L4_CONSTEXPR</div><div class="ttdoc">Constexpr function attribute.</div><div class="ttdef"><b>Definition</b> <a href="compiler_8h_source.html#l00194">compiler.h:194</a></div></div>
<div class="ttc" id="al4_2sys_2l4int_8h_html"><div class="ttname"><a href="l4_2sys_2l4int_8h.html">l4int.h</a></div><div class="ttdoc">Fixed sized integer types, generic version.</div></div>
<div class="ttc" id="astructl4__timeout__s_html"><div class="ttname"><a href="structl4__timeout__s.html">l4_timeout_s</a></div><div class="ttdoc">Basic timeout specification.</div><div class="ttdef"><b>Definition</b> <a href="#l00040">__timeout.h:40</a></div></div>
<div class="ttc" id="astructl4__timeout__s_html_a21ffd90db09f5ce67eaabe0cf616de5e"><div class="ttname"><a href="structl4__timeout__s.html#a21ffd90db09f5ce67eaabe0cf616de5e">l4_timeout_s::t</a></div><div class="ttdeci">l4_uint16_t t</div><div class="ttdoc">timeout value</div><div class="ttdef"><b>Definition</b> <a href="#l00041">__timeout.h:41</a></div></div>
<div class="ttc" id="aunionl4__timeout__t_html"><div class="ttname"><a href="unionl4__timeout__t.html">l4_timeout_t</a></div><div class="ttdoc">Timeout pair.</div><div class="ttdef"><b>Definition</b> <a href="#l00052">__timeout.h:53</a></div></div>
<div class="ttc" id="aunionl4__timeout__t_html_a13e6b984a65ded4e9fa25eb614a73c87"><div class="ttname"><a href="unionl4__timeout__t.html#a13e6b984a65ded4e9fa25eb614a73c87">l4_timeout_t::p</a></div><div class="ttdeci">struct l4_timeout_t::@311374065204270174372252366326004043071275262153 p</div><div class="ttdoc">combined timeout</div></div>
<div class="ttc" id="aunionl4__timeout__t_html_a725392ca39e3c206b5732521ff423e76"><div class="ttname"><a href="unionl4__timeout__t.html#a725392ca39e3c206b5732521ff423e76">l4_timeout_t::raw</a></div><div class="ttdeci">l4_uint32_t raw</div><div class="ttdoc">raw value</div><div class="ttdef"><b>Definition</b> <a href="#l00054">__timeout.h:54</a></div></div>
<div class="ttc" id="aunionl4__timeout__t_html_a9e20b6f3f5669761952fe8c0d93662fd"><div class="ttname"><a href="unionl4__timeout__t.html#a9e20b6f3f5669761952fe8c0d93662fd">l4_timeout_t::snd</a></div><div class="ttdeci">l4_timeout_s snd</div><div class="ttdoc">send timeout</div><div class="ttdef"><b>Definition</b> <a href="#l00062">__timeout.h:62</a></div></div>
<div class="ttc" id="aunionl4__timeout__t_html_ad701def0cd596dd740df297e89298ea6"><div class="ttname"><a href="unionl4__timeout__t.html#ad701def0cd596dd740df297e89298ea6">l4_timeout_t::rcv</a></div><div class="ttdeci">l4_timeout_s rcv</div><div class="ttdoc">receive timeout</div><div class="ttdef"><b>Definition</b> <a href="#l00061">__timeout.h:61</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
</div><!-- container -->
<!-- HTML footer for doxygen 1.9.1-->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><b>l4</b></li><li class="navelem"><b>sys</b></li><li class="navelem"><b>__timeout.h</b></li>
<li class="footer">Generated on <span class="timestamp"></span> for L4Re Operating System Framework by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.15.0 </li>
</ul>
</div>
</body>
</html>
Reference in New Issue View Git Blame Copy Permalink