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<div class="textblock"><code>#include &lt;stdint.h&gt;</code><br />
<code>#include &lt;sys/types.h&gt;</code><br />
</div>
<p><a href="tasking_8h_source.html">Go to the source code of this file.</a></p>
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Data Structures</h2></td></tr>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structThread.html">Thread</a></td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:a4b1b32c1fc744438f665f0f1932dd207"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a4b1b32c1fc744438f665f0f1932dd207">thread_state</a> { <a class="el" href="tasking_8h.html#a4b1b32c1fc744438f665f0f1932dd207aa5639ff4eff3f959406116db9e020c44">THREAD_RUNNING</a>,
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Functions</h2></td></tr>
<tr class="memitem:a38bc7128c0f55dcb2b4ce0e36cae9c2b"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a38bc7128c0f55dcb2b4ce0e36cae9c2b">tasking_create_task</a> (void *eip, void *cr3, char kmode, char param1_exists, void *param1_arg, char param2_exists, void *param2_arg, char isThread)</td></tr>
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<tr class="memitem:a45f6d4112f15e33ba7a0e356f821d056"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a45f6d4112f15e33ba7a0e356f821d056">tasking_init</a> ()</td></tr>
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<tr class="memitem:a47f424f3474f4298f1d6b65eeee5d0f6"><td class="memItemLeft" align="right" valign="top">char&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a47f424f3474f4298f1d6b65eeee5d0f6">tasking_is_privleged</a> ()</td></tr>
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<tr class="memitem:a9555a59dc2340ce36ae1a84c984b3af0"><td class="memItemLeft" align="right" valign="top">pid_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a9555a59dc2340ce36ae1a84c984b3af0">tasking_get_PID</a> ()</td></tr>
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<tr class="memitem:a347fac6db01ff796e5dc6d1fc44c2eef"><td class="memItemLeft" align="right" valign="top">int *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a347fac6db01ff796e5dc6d1fc44c2eef">tasking_get_errno_address</a> ()</td></tr>
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<tr class="memitem:acf62dd83316df4b63f4a93587c9b791e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#acf62dd83316df4b63f4a93587c9b791e">tasking_exit</a> (int code)</td></tr>
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<tr class="memitem:a021c821360fc28b1a509b585f8d21769"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a021c821360fc28b1a509b585f8d21769">tasking_block</a> (<a class="el" href="tasking_8h.html#a4b1b32c1fc744438f665f0f1932dd207">thread_state</a> newstate)</td></tr>
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<tr class="memitem:a8daf634972bbe78df522aade52c180bf"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a8daf634972bbe78df522aade52c180bf">tasking_unblock</a> (pid_t pid, pid_t tid)</td></tr>
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<tr class="memitem:a78aa02f7e342d1a6f76fb2c692086f50"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#a78aa02f7e342d1a6f76fb2c692086f50">tasking_yield</a> ()</td></tr>
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Variables</h2></td></tr>
<tr class="memitem:aac59f73081d1aff0293b54c543b552ca"><td class="memItemLeft" align="right" valign="top"><a id="aac59f73081d1aff0293b54c543b552ca"></a>
<a class="el" href="structThread.html">Thread</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="tasking_8h.html#aac59f73081d1aff0293b54c543b552ca">current_thread</a></td></tr>
<tr class="memdesc:aac59f73081d1aff0293b54c543b552ca"><td class="mdescLeft">&#160;</td><td class="mdescRight">Currently running thread. <br /></td></tr>
<tr class="separator:aac59f73081d1aff0293b54c543b552ca"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<h2 class="groupheader">Enumeration Type Documentation</h2>
<a id="a4b1b32c1fc744438f665f0f1932dd207"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4b1b32c1fc744438f665f0f1932dd207">&#9670;&nbsp;</a></span>thread_state</h2>
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<div class="memproto">
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="tasking_8h.html#a4b1b32c1fc744438f665f0f1932dd207">thread_state</a></td>
</tr>
</table>
</div><div class="memdoc">
<p>Represents the state of a thread </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a4b1b32c1fc744438f665f0f1932dd207aa5639ff4eff3f959406116db9e020c44"></a>THREAD_RUNNING&#160;</td><td class="fielddoc"><p>The state of a running thread. </p>
</td></tr>
<tr><td class="fieldname"><a id="a4b1b32c1fc744438f665f0f1932dd207adc6a307a71277ce8d642b5b916e05042"></a>THREAD_READY&#160;</td><td class="fielddoc"><p>The state of a ready to run thread. </p>
</td></tr>
<tr><td class="fieldname"><a id="a4b1b32c1fc744438f665f0f1932dd207ac9087b7375864c084808109e1e1af5bb"></a>THREAD_EXITED&#160;</td><td class="fielddoc"><p>The state of an exited thread. </p>
</td></tr>
<tr><td class="fieldname"><a id="a4b1b32c1fc744438f665f0f1932dd207a4aeda0a1e7e9882ce8b0310833fee46e"></a>THREAD_BLOCKED&#160;</td><td class="fielddoc"><p>The state of a generically blocked thread. </p>
</td></tr>
</table>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="a021c821360fc28b1a509b585f8d21769"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a021c821360fc28b1a509b585f8d21769">&#9670;&nbsp;</a></span>tasking_block()</h2>
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<td class="memname">void tasking_block </td>
<td>(</td>
<td class="paramtype"><a class="el" href="tasking_8h.html#a4b1b32c1fc744438f665f0f1932dd207">thread_state</a>&#160;</td>
<td class="paramname"><em>newstate</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Block the current thread &amp; yield </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">newstate</td><td>The state to block it in </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a38bc7128c0f55dcb2b4ce0e36cae9c2b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a38bc7128c0f55dcb2b4ce0e36cae9c2b">&#9670;&nbsp;</a></span>tasking_create_task()</h2>
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<td class="memname">void tasking_create_task </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>eip</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>cr3</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char&#160;</td>
<td class="paramname"><em>kmode</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char&#160;</td>
<td class="paramname"><em>param1_exists</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>param1_arg</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char&#160;</td>
<td class="paramname"><em>param2_exists</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>param2_arg</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char&#160;</td>
<td class="paramname"><em>isThread</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>Create a task </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">eip</td><td>The start address of the task </td></tr>
<tr><td class="paramname">cr3</td><td>The address space of the task </td></tr>
<tr><td class="paramname">kmode</td><td>Whether the task is a kernel mode task </td></tr>
<tr><td class="paramname">param1_exists</td><td>Whether param1_arg is a valid value </td></tr>
<tr><td class="paramname">param1_arg</td><td>The thread's start function first parameter </td></tr>
<tr><td class="paramname">param2_exists</td><td>Whether param2_arg is a valid value </td></tr>
<tr><td class="paramname">param2_arg</td><td>The thread's start function second parameter/ </td></tr>
<tr><td class="paramname">isThread</td><td>Whether we are creating a new process or a thread in a process. If we are creating a theead, param2_arg becomes the PID for the newly created thread, and param2_exists must be 0. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="acf62dd83316df4b63f4a93587c9b791e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acf62dd83316df4b63f4a93587c9b791e">&#9670;&nbsp;</a></span>tasking_exit()</h2>
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<td class="memname">void tasking_exit </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>code</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Terminate the current thread If the main thread terminates, the whole process terminates. </p><dl class="section note"><dt>Note</dt><dd>Currently, calling tasking_exit from any thread terminates the whole process. </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">code</td><td>The exit code of the thread </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a347fac6db01ff796e5dc6d1fc44c2eef"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a347fac6db01ff796e5dc6d1fc44c2eef">&#9670;&nbsp;</a></span>tasking_get_errno_address()</h2>
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<td class="memname">int* tasking_get_errno_address </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the adddress of errno for the current thread </p><dl class="section return"><dt>Returns</dt><dd>The address of errno </dd></dl>
</div>
</div>
<a id="a9555a59dc2340ce36ae1a84c984b3af0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9555a59dc2340ce36ae1a84c984b3af0">&#9670;&nbsp;</a></span>tasking_get_PID()</h2>
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<td class="memname">pid_t tasking_get_PID </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get the PID of the current thread. </p><dl class="section return"><dt>Returns</dt><dd>The current thread's PID </dd></dl>
</div>
</div>
<a id="a45f6d4112f15e33ba7a0e356f821d056"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a45f6d4112f15e33ba7a0e356f821d056">&#9670;&nbsp;</a></span>tasking_init()</h2>
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<td class="memname">void tasking_init </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Initialize tasking </p>
</div>
</div>
<a id="a47f424f3474f4298f1d6b65eeee5d0f6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a47f424f3474f4298f1d6b65eeee5d0f6">&#9670;&nbsp;</a></span>tasking_is_privleged()</h2>
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<td class="memname">char tasking_is_privleged </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Check whether the current process is privleged </p><dl class="section return"><dt>Returns</dt><dd>whether the current process is privleged </dd></dl>
</div>
</div>
<a id="ab4d000931b7ca87b83905b6172471d0e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab4d000931b7ca87b83905b6172471d0e">&#9670;&nbsp;</a></span>tasking_new_thread()</h2>
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<td class="memname">pid_t tasking_new_thread </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>start</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">pid_t&#160;</td>
<td class="paramname"><em>pid</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char&#160;</td>
<td class="paramname"><em>param_exists</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>param_arg</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Create a new thread </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">start</td><td>The start address of the task </td></tr>
<tr><td class="paramname">pid</td><td>The PID that gets the new thread </td></tr>
<tr><td class="paramname">param_exists</td><td>Whether param_arg is a valid value </td></tr>
<tr><td class="paramname">param_arg</td><td>The thread's start function parameter </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the TID of the thread </dd></dl>
</div>
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<a id="a8daf634972bbe78df522aade52c180bf"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8daf634972bbe78df522aade52c180bf">&#9670;&nbsp;</a></span>tasking_unblock()</h2>
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<td class="memname">void tasking_unblock </td>
<td>(</td>
<td class="paramtype">pid_t&#160;</td>
<td class="paramname"><em>pid</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">pid_t&#160;</td>
<td class="paramname"><em>tid</em>&#160;</td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Unblock a thread </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pid</td><td>The PID that contains the thread to unblock </td></tr>
<tr><td class="paramname">tid</td><td>The TID in the process to unblock. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a78aa02f7e342d1a6f76fb2c692086f50">&#9670;&nbsp;</a></span>tasking_yield()</h2>
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<td class="memname">void tasking_yield </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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<p>Yield to the next ready thread in any process </p>
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