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📄 9_2_3 多任务下的垃圾收集 - 《多任务下的数据结构与算法》 - 免费试读 - book_csdn_net.htm

📁 主要介绍了多任务下面的一些数据结构和算法,比如树和图的一些遍历
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<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN><STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt">~MGCPtr() 
</SPAN></STRONG></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><STRONG><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt">{</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
INT *p = (INT *)((char *)m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">INT_LEN)</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Lock(g_lock)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
*p</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN 
lang=EN-US style="FONT-SIZE: 9pt">= 1</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Unlock(g_lock)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /* 
</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">拷贝构造函数</SPAN><SPAN 
lang=EN-US style="FONT-SIZE: 9pt"> */</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN><STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt">MGCPtr(const MGCPtr 
&amp;gcPtr)</SPAN></STRONG></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><STRONG><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt">{</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
INT *p = (INT *)((char *)gcPtr.m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">INT_LEN)</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Lock(g_lock)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
*p += 1</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Unlock(g_lock)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN><SPAN 
lang=EN-US style="FONT-SIZE: 9pt"> </SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
m_pAddr = gcPtr.m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; T &amp; 
operator* () { return *m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">}</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; T 
*operator-&gt; () { return m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">}</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; operator T *() 
{ return m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">}</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN><STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt">T *operator=(T *t) 
</SPAN></STRONG></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><STRONG><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt">{</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
/* </SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">将原来指向的内存引用计数减</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">1 */</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
INT *p = (INT *)((char *)m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">INT_LEN)</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=4><SPAN 
lang=EN-US>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Lock(g_lock)</SPAN><SPAN style="FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
*p</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN 
lang=EN-US style="FONT-SIZE: 9pt">= 1</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
m_pAddr = t</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
/* </SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">将新指向的内存的引用计数加</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">1 */</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
p = (INT *)((char *)t</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">INT_LEN)</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
*p += 1</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Unlock(g_lock)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
return t</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN><STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt">MGCPtr &amp; 
operator=(MGCPtr &amp;r) </SPAN></STRONG></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><STRONG><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
</SPAN></STRONG><SPAN lang=EN-US style="FONT-SIZE: 9pt">{ </SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
/* </SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">将原来指向的内存引用计数减</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">1 */</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
INT *p = (INT *)((char *)m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">INT_LEN)</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Lock(g_lock)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
*p</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN 
lang=EN-US style="FONT-SIZE: 9pt">= 1</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
m_pAddr = t</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
/* </SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">将新指向的内存的引用计数加</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">1 */</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
p = (INT *)((char *)r.m_pAddr</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 华康简宋">－</SPAN><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">INT_LEN)</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
*p += 1</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
Unlock(g_lock)</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
return r</SPAN><SPAN style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="LINE-HEIGHT: 14pt"><SPAN lang=EN-US 
style="FONT-SIZE: 9pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; }</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal style="MARGIN-BOTTOM: 8pt; LINE-HEIGHT: 14pt"><SPAN 
lang=EN-US style="FONT-SIZE: 9pt">}</SPAN><SPAN 
style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体">；</SPAN></P>
<P class=MsoNormal><SPAN 
style="FONT-FAMILY: 华康简宋">需要指出的是，为了使编码容易理解，上面代码中省去了对指针是否为空的校验。如果要在实际中能够正常运行，还需要加上对需要修改引用计数的指针是否为空的校验。</SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US>2) </SPAN><SPAN 
style="FONT-FAMILY: 华康简宋">垃圾回收内存管理函数的编码实现如下。</SPAN></P>
<P class=4 style="LINE-HEIGHT: 14.3pt"><SPAN lang=EN-US>LOCK g_lock</SPAN><SPAN 
style="FONT-FAMILY: 宋体">；</SPAN><SPAN
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