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<title>UbixOS V2: src/sys/kernel/fork.c File Reference</title>
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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_7efffd2b1fae7bb6f2aa85845c863494.html">kernel</a></div>
<h1>fork.c File Reference</h1><code>#include <<a class="el" href="fork_8h-source.html">ubixos/fork.h</a>></code><br>
<code>#include <<a class="el" href="types_8h-source.html">ubixos/types.h</a>></code><br>
<code>#include <<a class="el" href="sched_8h-source.html">ubixos/sched.h</a>></code><br>
<code>#include <<a class="el" href="tty_8h-source.html">ubixos/tty.h</a>></code><br>
<code>#include <<a class="el" href="vitals_8h-source.html">ubixos/vitals.h</a>></code><br>
<code>#include <<a class="el" href="vmm_8h-source.html">vmm/vmm.h</a>></code><br>
<code>#include <<a class="el" href="string_8h-source.html">string.h</a>></code><br>
<code>#include <<a class="el" href="assert_8h-source.html">assert.h</a>></code><br>
<p>
Include dependency graph for fork.c:<p><center><img src="fork_8c__incl.png" border="0" usemap="#src/sys/kernel/fork.c_map" alt=""></center>
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<a href="fork_8c-source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="fork_8c.html#ce2d1e8711020f85a4f969f236938c9a">asm</a> (".globl sysFork \n""sysFork: \n"" xor %<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a>,%<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a> \n"" call schedNewTask \n"" testl %<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a>,%<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a> \n"" je fork_ret \n"" pushl %esi \n"" pushl %<a class="el" href="start_8S.html#f701de0cc799320aaf54092dda7b54d2">edi</a> \n"" pushl %ebp \n"" pushl %<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a> \n"" call fork_copyProcess \n"" movl %<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a>,(%<a class="el" href="ap-boot_8S.html#1c50f544178eb7e0af39bd078c5a986f">ebx</a>) \n"" <a class="el" href="strcpy_8S.html#428eb946c210f4154699290a0cd9fb70">addl</a> $16,%<a class="el" href="start_8S.html#fba1069006eb01caca2f78a33f379594">esp</a> \n""fork_ret: \n"" ret \n")</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="fork_8c.html#193d99c9f4dbfbfaad8a1ef486582f2d">fork_copyProcess</a> (struct <a class="el" href="structtaskStruct.html">taskStruct</a> *newProcess, long ebp, long <a class="el" href="start_8S.html#f701de0cc799320aaf54092dda7b54d2">edi</a>, long esi, long none, long <a class="el" href="ap-boot_8S.html#1c50f544178eb7e0af39bd078c5a986f">ebx</a>, long ecx, long <a class="el" href="timer_8S.html#aa1f83238047e62298e33bed5682d71c">edx</a>, long eip, long cs, long eflags, long <a class="el" href="start_8S.html#fba1069006eb01caca2f78a33f379594">esp</a>, long ss)</td></tr>
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="ce2d1e8711020f85a4f969f236938c9a"></a><!-- doxytag: member="fork.c::asm" ref="ce2d1e8711020f85a4f969f236938c9a" args="(".globl sysFork \n""sysFork: \n"" xor %eax,%eax \n"" call schedNewTask \n"" testl %eax,%eax \n"" je fork_ret \n"" pushl %esi \n"" pushl %edi \n"" pushl %ebp \n"" pushl %eax \n"" call fork_copyProcess \n"" movl %eax,(%ebx) \n"" addl $16,%esp \n""fork_ret: \n"" ret \n")" -->
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<td class="memname">asm </td>
<td>(</td>
<td class="paramtype">".globl sysFork \n""sysFork: \n"" xor % </td>
<td class="paramname"> <em>eax</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">%<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a>\n""call schedNewTask\n""testl% </td>
<td class="paramname"> <em>eax</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">%<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a>\n""je fork_ret\n""pushl%esi\n""pushl%<a class="el" href="start_8S.html#f701de0cc799320aaf54092dda7b54d2">edi</a>\n""pushl%ebp\n""pushl%<a class="el" href="strlen_8S.html#0d9c430c9a9cb6a66e192946a5554e3b">eax</a>\n""call fork_copyProcess\n""movl% </td>
<td class="paramname"> <em>eax</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">(%<a class="el" href="ap-boot_8S.html#1c50f544178eb7e0af39bd078c5a986f">ebx</a>)\n""<a class="el" href="strcpy_8S.html#428eb946c210f4154699290a0cd9fb70">addl</a> $ </td>
<td class="paramname"> <em>16</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">%<a class="el" href="start_8S.html#fba1069006eb01caca2f78a33f379594">esp</a>\n""fork_ret:\n""ret\n" </td>
<td class="paramname"></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"></td>
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<a class="anchor" name="193d99c9f4dbfbfaad8a1ef486582f2d"></a><!-- doxytag: member="fork.c::fork_copyProcess" ref="193d99c9f4dbfbfaad8a1ef486582f2d" args="(struct taskStruct *newProcess, long ebp, long edi, long esi, long none, long ebx, long ecx, long edx, long eip, long cs, long eflags, long esp, long ss)" -->
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<td class="memname">int fork_copyProcess </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structtaskStruct.html">taskStruct</a> * </td>
<td class="paramname"> <em>newProcess</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>ebp</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>edi</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>esi</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>none</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>ebx</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">long </td>
<td class="paramname"> <em>ecx</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>edx</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>eip</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>cs</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>eflags</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>esp</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">long </td>
<td class="paramname"> <em>ss</em></td><td> </td>
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<td>)</td>
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<p>
Definition at line <a class="el" href="fork_8c-source.html#l00050">50</a> of file <a class="el" href="fork_8c-source.html">fork.c</a>.
<p>
References <a class="el" href="sched_8c-source.html#l00051">_current</a>, <a class="el" href="assert_8h-source.html#l00064">assert</a>, <a class="el" href="tss_8h-source.html#l00036">tssStruct::back_link</a>, <a class="el" href="tss_8h-source.html#l00047">tssStruct::cr3</a>, <a class="el" href="tss_8h-source.html#l00057">tssStruct::cs</a>, <a class="el" href="sched_8h-source.html#l00051">osInfo::cwd</a>, <a class="el" href="tss_8h-source.html#l00061">tssStruct::ds</a>, <a class="el" href="tss_8h-source.html#l00050">tssStruct::eax</a>, <a class="el" href="tss_8h-source.html#l00052">tssStruct::ebp</a>, <a class="el" href="tss_8h-source.html#l00050">tssStruct::ebx</a>, <a class="el" href="tss_8h-source.html#l00050">tssStruct::ecx</a>, <a class="el" href="tss_8h-source.html#l00054">tssStruct::edi</a>, <a class="el" href="tss_8h-source.html#l00050">tssStruct::edx</a>, <a class="el" href="tss_8h-source.html#l00049">tssStruct::eflags</a>, <a class="el" href="tss_8h-source.html#l00048">tssStruct::eip</a>, <a class="el" href="tss_8h-source.html#l00055">tssStruct::es</a>, <a class="el" href="tss_8h-source.html#l00053">tssStruct::esi</a>, <a class="el" href="tss_8h-source.html#l00051">tssStruct::esp</a>, <a class="el" href="tss_8h-source.html#l00038">tssStruct::esp0</a>, <a class="el" href="tss_8h-source.html#l00041">tssStruct::esp1</a>, <a class="el" href="tss_8h-source.html#l00044">tssStruct::esp2</a>, <a class="el" href="sched_8h.html#3fb333b67375561d327e9b5a8ffa03b9eb5838b12f5849b4544c2d9d10dc6548">FORK</a>, <a class="el" href="tss_8h-source.html#l00063">tssStruct::fs</a>, <a class="el" href="sched_8h-source.html#l00063">taskStruct::gid</a>, <a class="el" href="tss_8h-source.html#l00065">tssStruct::gs</a>, <a class="el" href="sched_8h-source.html#l00055">taskStruct::id</a>, <a class="el" href="tss_8h-source.html#l00070">tssStruct::io_map</a>, <a class="el" href="tss_8h-source.html#l00067">tssStruct::ldt</a>, <a class="el" href="lib_2string_8h.html#e33b18edb618c656b9b795b9fce2316c">memcpy()</a>, <a class="el" href="sched_8h-source.html#l00060">taskStruct::oInfo</a>, <a class="el" href="tty_8h-source.html#l00043">tty_termNode::owner</a>, <a class="el" href="sched_8c-source.html#l00259">sched_yield()</a>, <a class="el" href="tss_8h-source.html#l00059">tssStruct::ss</a>, <a class="el" href="tss_8h-source.html#l00039">tssStruct::ss0</a>, <a class="el" href="tss_8h-source.html#l00042">tssStruct::ss1</a>, <a class="el" href="tss_8h-source.html#l00045">tssStruct::ss2</a>, <a class="el" href="sched_8h-source.html#l00062">taskStruct::state</a>, <a class="el" href="sched_8h-source.html#l00066">taskStruct::term</a>, <a class="el" href="tss_8h-source.html#l00069">tssStruct::trace_bitmap</a>, <a class="el" href="sched_8h-source.html#l00058">taskStruct::tss</a>, <a class="el" href="sched_8h-source.html#l00064">taskStruct::uid</a>, <a class="el" href="copyvirtualspace_8c-source.html#l00053">vmmCopyVirtualSpace()</a>, and <a class="el" href="sched_8h-source.html#l00047">osInfo::vmStart</a>.
<p>
Here is the call graph for this function:<p><center><img src="fork_8c_193d99c9f4dbfbfaad8a1ef486582f2d_cgraph.png" border="0" usemap="#fork_8c_193d99c9f4dbfbfaad8a1ef486582f2d_cgraph_map" alt=""></center>
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