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<div class="headertitle"><div class="title">Initial Environment <div class="ingroups"><a class="el" href="group__api__l4re__c.html">L4Re C Interface</a></div></div></div>
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<p>C interface of the initial environment that is provided to an <a class="el" href="namespaceL4.html" title="L4 low-level kernel interface.">L4</a> task.
<a href="#details">More...</a></p>
<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 Initial Environment:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-nested-classes" class="groupheader"><a id="nested-classes" name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:l4re_5Fenv_5Fcap_5Fentry_5Ft" id="r_l4re_5Fenv_5Fcap_5Fentry_5Ft"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structl4re__env__cap__entry__t.html">l4re_env_cap_entry_t</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft">&#160;</td><td class="mdescRight">Entry in the <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> environment array for the named initial objects. <a href="structl4re__env__cap__entry__t.html#details">More...</a><br /></td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:ga4cbf13e32921c4b2996cf85e8150eb80" id="r_ga4cbf13e32921c4b2996cf85e8150eb80"><td class="memItemLeft" align="right" valign="top"><a id="ga4cbf13e32921c4b2996cf85e8150eb80" name="ga4cbf13e32921c4b2996cf85e8150eb80"></a>
typedef struct l4re_env_cap_entry_t&#160;</td><td class="memItemRight" valign="bottom"><b>l4re_env_cap_entry_t</b></td></tr>
<tr class="memdesc:ga4cbf13e32921c4b2996cf85e8150eb80"><td class="mdescLeft">&#160;</td><td class="mdescRight">Entry in the <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> environment array for the named initial objects. <br /></td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-func-members" class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gac103498c48310ccea751065ca4d1678a" id="r_gac103498c48310ccea751065ca4d1678a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4re__env__t.html">l4re_env_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gac103498c48310ccea751065ca4d1678a">l4re_env</a> (void) <a class="el" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></td></tr>
<tr class="memdesc:gac103498c48310ccea751065ca4d1678a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> initial environment. <br /></td></tr>
<tr class="memitem:gaa3380feabe4b5440ed7e246fdf15f333" id="r_gaa3380feabe4b5440ed7e246fdf15f333"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4__kernel__info__t.html">l4_kernel_info_t</a> const *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gaa3380feabe4b5440ed7e246fdf15f333">l4re_kip</a> (void) <a class="el" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></td></tr>
<tr class="memdesc:gaa3380feabe4b5440ed7e246fdf15f333"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get Kernel Info Page. <br /></td></tr>
<tr class="memitem:ga1413d41707d888eb9121f6efe1682504" id="r_ga1413d41707d888eb9121f6efe1682504"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga1413d41707d888eb9121f6efe1682504">l4re_env_get_cap</a> (char const *name) <a class="el" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></td></tr>
<tr class="memdesc:ga1413d41707d888eb9121f6efe1682504"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the capability selector for the object named <em class="arg">name</em>. <br /></td></tr>
<tr class="memitem:ga788aedd589b464cccbeff610416cced9" id="r_ga788aedd589b464cccbeff610416cced9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#ga788aedd589b464cccbeff610416cced9">l4re_env_get_cap_e</a> (char const *name, <a class="el" href="structl4re__env__t.html">l4re_env_t</a> const *e) <a class="el" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></td></tr>
<tr class="memdesc:ga788aedd589b464cccbeff610416cced9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the capability selector for the object named <em class="arg">name</em>. <br /></td></tr>
<tr class="memitem:gadb38a15f6070f3c4e264532f3779d3bc" id="r_gadb38a15f6070f3c4e264532f3779d3bc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structl4re__env__cap__entry__t.html">l4re_env_cap_entry_t</a> const *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#gadb38a15f6070f3c4e264532f3779d3bc">l4re_env_get_cap_l</a> (char const *name, unsigned l, <a class="el" href="structl4re__env__t.html">l4re_env_t</a> const *e) <a class="el" href="group__l4sys__defines.html#ga362dfa378e662dd04f710a23fc7ea931">L4_NOTHROW</a></td></tr>
<tr class="memdesc:gadb38a15f6070f3c4e264532f3779d3bc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the full <a class="el" href="structl4re__env__cap__entry__t.html" title="Entry in the L4Re environment array for the named initial objects.">l4re_env_cap_entry_t</a> for the object named <em class="arg">name</em>. <br /></td></tr>
</table>
<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<p>C interface of the initial environment that is provided to an <a class="el" href="namespaceL4.html" title="L4 low-level kernel interface.">L4</a> task. </p>
<dl class="section user"><dt>Include File</dt><dd><div class="fragment"><div class="line"><span class="preprocessor">#include &lt;<a class="code" href="env_8h.html">l4/re/env.h</a>&gt;</span> </div>
<div class="ttc" id="aenv_8h_html"><div class="ttname"><a href="env_8h.html">env.h</a></div><div class="ttdoc">Environment interface.</div></div>
</div><!-- fragment --></dd></dl>
<p>For an explanation of the default task capabilites see <a class="el" href="group__l4__cap__api.html#gaa7801b63edba351bad9ea8026432b5c4">l4_default_caps_t</a>.</p>
<p>For the C++ interface refer to <a class="el" href="classL4Re_1_1Env.html" title="C++ interface of the initial environment that is provided to an L4 task.">L4Re::Env</a>. </p>
<a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Function Documentation</h2>
<a id="gac103498c48310ccea751065ca4d1678a" name="gac103498c48310ccea751065ca4d1678a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gac103498c48310ccea751065ca4d1678a">&#9670;&#160;</a></span>l4re_env()</h2>
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<td class="memname"><a class="el" href="structl4re__env__t.html">l4re_env_t</a> * l4re_env </td>
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<p>Get <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> initial environment. </p>
<dl class="section return"><dt>Returns</dt><dd>Pointer to <a class="el" href="namespaceL4Re.html" title="L4Re C++ Interfaces.">L4Re</a> initial environment. </dd></dl>
<dl class="section examples"><dt>Examples</dt><dd><a class="el" href="examples_2sys_2aliens_2main_8c-example.html#a24">examples/sys/aliens/main.c</a>, <a class="el" href="examples_2sys_2isr_2main_8c-example.html#a2">examples/sys/isr/main.c</a>, <a class="el" href="examples_2sys_2singlestep_2main_8c-example.html#a11">examples/sys/singlestep/main.c</a>, <a class="el" href="examples_2sys_2start-with-exc_2main_8c-example.html#a11">examples/sys/start-with-exc/main.c</a>, and <a class="el" href="examples_2sys_2utcb-ipc_2main_8c-example.html#a15">examples/sys/utcb-ipc/main.c</a>.</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="env_8h_source.html#l00181">181</a> of file <a class="el" href="env_8h_source.html">env.h</a>.</p>
<p class="reference">References <a class="el" href="compiler_8h_source.html#l00161">L4_NOTHROW</a>.</p>
<p class="reference">Referenced by <a class="el" href="env_8h_source.html#l00220">l4re_env_get_cap()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1413d41707d888eb9121f6efe1682504">&#9670;&#160;</a></span>l4re_env_get_cap()</h2>
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<td class="memname"><a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> l4re_env_get_cap </td>
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<td class="paramtype">char const *</td> <td class="paramname"><span class="paramname"><em>name</em></span></td><td>)</td>
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<p>Get the capability selector for the object named <em class="arg">name</em>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>is the name of the object to lookup in the initial objects. </td></tr>
</table>
</dd>
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<dl class="section return"><dt>Returns</dt><dd>A valid capability selector if the object exists or an invalid capability selector if not (<a class="el" href="group__l4__cap__api.html#ga1aee507eabc91cc118429decc9e8cb45" title="Test if a capability selector is the invalid capability.">l4_is_invalid_cap()</a>). </dd></dl>
<p class="definition">Definition at line <a class="el" href="env_8h_source.html#l00220">220</a> of file <a class="el" href="env_8h_source.html">env.h</a>.</p>
<p class="reference">References <a class="el" href="compiler_8h_source.html#l00161">L4_NOTHROW</a>, <a class="el" href="env_8h_source.html#l00181">l4re_env()</a>, and <a class="el" href="env_8h_source.html#l00207">l4re_env_get_cap_e()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga788aedd589b464cccbeff610416cced9">&#9670;&#160;</a></span>l4re_env_get_cap_e()</h2>
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<td class="memname"><a class="el" href="group__l4__cap__api.html#ga1445e923ce73029130d569d6e69a4dd8">l4_cap_idx_t</a> l4re_env_get_cap_e </td>
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<td class="paramtype"><a class="el" href="structl4re__env__t.html">l4re_env_t</a> const *</td> <td class="paramname"><span class="paramname"><em>e</em></span>&#160;)</td>
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<p>Get the capability selector for the object named <em class="arg">name</em>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>is the name of the object to lookup in the initial objects. </td></tr>
<tr><td class="paramname">e</td><td>is the environment structure to use for the operation. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>A valid capability selector if the object exists or an invalid capability selector if not (<a class="el" href="group__l4__cap__api.html#ga1aee507eabc91cc118429decc9e8cb45" title="Test if a capability selector is the invalid capability.">l4_is_invalid_cap()</a>). </dd></dl>
<p class="definition">Definition at line <a class="el" href="env_8h_source.html#l00207">207</a> of file <a class="el" href="env_8h_source.html">env.h</a>.</p>
<p class="reference">References <a class="el" href="env_8h_source.html#l00044">l4re_env_cap_entry_t::cap</a>, <a class="el" href="l4_2sys_2consts_8h_source.html#l00153">L4_INVALID_CAP</a>, <a class="el" href="compiler_8h_source.html#l00161">L4_NOTHROW</a>, and <a class="el" href="env_8h_source.html#l00189">l4re_env_get_cap_l()</a>.</p>
<p class="reference">Referenced by <a class="el" href="env_8h_source.html#l00220">l4re_env_get_cap()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gadb38a15f6070f3c4e264532f3779d3bc">&#9670;&#160;</a></span>l4re_env_get_cap_l()</h2>
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<td class="memname"><a class="el" href="structl4re__env__cap__entry__t.html">l4re_env_cap_entry_t</a> const * l4re_env_get_cap_l </td>
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<td class="paramtype"><a class="el" href="structl4re__env__t.html">l4re_env_t</a> const *</td> <td class="paramname"><span class="paramname"><em>e</em></span>&#160;)</td>
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<p>Get the full <a class="el" href="structl4re__env__cap__entry__t.html" title="Entry in the L4Re environment array for the named initial objects.">l4re_env_cap_entry_t</a> for the object named <em class="arg">name</em>. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">name</td><td>is the name of the object to lookup in the initial objects. </td></tr>
<tr><td class="paramname">l</td><td>is the length of the name string, thus <em class="arg">name</em> might not be zero terminated. </td></tr>
<tr><td class="paramname">e</td><td>is the environment structure to use for the operation. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>A pointer to an <a class="el" href="structl4re__env__cap__entry__t.html" title="Entry in the L4Re environment array for the named initial objects.">l4re_env_cap_entry_t</a> if the object exists or NULL if not. </dd></dl>
<p class="definition">Definition at line <a class="el" href="env_8h_source.html#l00189">189</a> of file <a class="el" href="env_8h_source.html">env.h</a>.</p>
<p class="reference">References <a class="el" href="env_8h_source.html#l00050">l4re_env_cap_entry_t::flags</a>, <a class="el" href="compiler_8h_source.html#l00161">L4_NOTHROW</a>, and <a class="el" href="env_8h_source.html#l00055">l4re_env_cap_entry_t::name</a>.</p>
<p class="reference">Referenced by <a class="el" href="env_source.html#l00185">L4Re::Env::get()</a>, and <a class="el" href="env_8h_source.html#l00207">l4re_env_get_cap_e()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gaa3380feabe4b5440ed7e246fdf15f333">&#9670;&#160;</a></span>l4re_kip()</h2>
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<td class="memname"><a class="el" href="structl4__kernel__info__t.html">l4_kernel_info_t</a> const * l4re_kip </td>
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<p>Get Kernel Info Page. </p>
<dl class="section return"><dt>Returns</dt><dd>Pointer to Kernel Info Page (KIP) structure. </dd></dl>
<dl class="section examples"><dt>Examples</dt><dd><a class="el" href="examples_2libs_2shmc_2prodcons_8c-example.html#a10">examples/libs/shmc/prodcons.c</a>, and <a class="el" href="examples_2sys_2aliens_2main_8c-example.html#a9">examples/sys/aliens/main.c</a>.</dd>
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<p class="definition">Definition at line <a class="el" href="env_8h_source.html#l00185">185</a> of file <a class="el" href="env_8h_source.html">env.h</a>.</p>
<p class="reference">References <a class="el" href="sys_2kip_8h_source.html#l00226">l4_kip()</a>, and <a class="el" href="compiler_8h_source.html#l00161">L4_NOTHROW</a>.</p>
<p class="reference">Referenced by <a class="el" href="poll__timeout__kipclock_source.html#l00051">L4::Poll_timeout_kipclock::set()</a>, and <a class="el" href="poll__timeout__kipclock_source.html#l00065">L4::Poll_timeout_kipclock::test()</a>.</p>
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