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https://github.com/Zeal-Operating-System/ZealOS.git
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6b3fd2fecb
Update documentation/comments to rename addr, fun, var, stmt, blk, desc, reg, seg, ptr, dup, clus, val, and bttn, to address, function, variable, statement, block, description, register, segment, pointer, duplicate, cluster, value, and button, respectively.
66 lines
4.8 KiB
HTML
Executable file
66 lines
4.8 KiB
HTML
Executable file
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<meta http-equiv="Content-Type" content="text/html;charset=US-ASCII">
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<meta name="generator" content="ZealOS V1.01">
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<pre style="font-family:monospace;font-size:12pt">
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<a name="l1"></a><span class=cF9>CHeapCtrl</span><span class=cF0> *</span><span class=cF5>HeapCtrlInit</span><span class=cF0>(</span><span class=cF9>CHeapCtrl</span><span class=cF0> *hc=</span><span class=cF3>NULL</span><span class=cF0>, </span><span class=cF9>CTask</span><span class=cF0> *task=</span><span class=cF3>NULL</span><span class=cF0>, </span><span class=cF9>CBlkPool</span><span class=cF0> *bp)
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<a name="l2"></a>{</span><span class=cF2>//See </span><a href="https://zeal-operating-system.github.io/ZealOS/System/Utils/HeapLog.CC.html#l83"><span class=cF4>HeapLog</span></a><span class=cF2>() for an example.</span><span class=cF0>
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<a name="l3"></a></span><span class=cF2>//Duplicated for </span><a href="https://zeal-operating-system.github.io/ZealOS/Kernel/KStart64.CC.html#l29"><span class=cF4>System Task</span></a><span class=cF2>.</span><span class=cF0>
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<a name="l4"></a> </span><span class=cF1>if</span><span class=cF0> (!hc)
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<a name="l5"></a> hc = </span><span class=cF5>SysCAlloc</span><span class=cF0>(</span><span class=cF1>sizeof</span><span class=cF7>(</span><span class=cF9>CHeapCtrl</span><span class=cF7>)</span><span class=cF0>);
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<a name="l6"></a> hc->hc_signature = </span><span class=cF3>HEAP_CTRL_SIGNATURE_VAL</span><span class=cF0>;
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<a name="l7"></a> hc->mem_task = task;
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<a name="l8"></a> hc->bp = bp;
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<a name="l9"></a> </span><span class=cF5>QueueInit</span><span class=cF0>(&hc->next_mem_blk);
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<a name="l10"></a> hc->last_mergable = </span><span class=cF3>NULL</span><span class=cF0>;
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<a name="l11"></a> hc->next_um = hc->last_um = (&hc->next_um)(</span><span class=cF1>U8</span><span class=cF0> *) - </span><span class=cF1>offset</span><span class=cF0>(</span><span class=cF9>CMemUsed</span><span class=cF0>.next);
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<a name="l12"></a> </span><span class=cF1>return</span><span class=cF0> hc;
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<a name="l13"></a>}
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<a name="l14"></a>
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<a name="l15"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>HeapCtrlDel</span><span class=cF0>(</span><span class=cF9>CHeapCtrl</span><span class=cF0> *hc)
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<a name="l16"></a>{</span><span class=cF2>//Free all blocks alloced to a HeapCtrl.</span><span class=cF0>
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<a name="l17"></a> </span><span class=cF9>CMemBlk</span><span class=cF0> *m, *m1;
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<a name="l18"></a>
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<a name="l19"></a> </span><span class=cF1>if</span><span class=cF0> (hc)
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<a name="l20"></a> </span><span class=cF7>{</span><span class=cF0>
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<a name="l21"></a> </span><span class=cF1>PUSHFD</span><span class=cF0>
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<a name="l22"></a> </span><span class=cF1>CLI</span><span class=cF0>
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<a name="l23"></a> </span><span class=cF1>while</span><span class=cF0> (</span><span class=cF5>LBts</span><span class=cF7>(</span><span class=cF0>&hc->locked_flags, </span><span class=cF3>HClf_LOCKED</span><span class=cF7>)</span><span class=cF0>)
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<a name="l24"></a> </span><span class=cF1>PAUSE</span><span class=cF0>
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<a name="l25"></a> m = hc->next_mem_blk;
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<a name="l26"></a> </span><span class=cF1>while</span><span class=cF0> (m != &hc->next_mem_blk)
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<a name="l27"></a> {
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<a name="l28"></a> m1 = m->next;
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<a name="l29"></a> </span><span class=cFD>MemPagTaskFree</span><span class=cF0>(m, hc);
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<a name="l30"></a> m = m1;
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<a name="l31"></a> }
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<a name="l32"></a> </span><span class=cF5>LBtr</span><span class=cF0>(&hc->locked_flags, </span><span class=cF3>HClf_LOCKED</span><span class=cF0>);
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<a name="l33"></a> </span><span class=cF1>POPFD</span><span class=cF0>
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<a name="l34"></a>
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<a name="l35"></a> </span><span class=cF5>Free</span><span class=cF0>(hc);
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<a name="l36"></a> </span><span class=cF7>}</span><span class=cF0>
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<a name="l37"></a>}
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</span></pre></body>
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