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📄 第二章 进程管理.htm

📁 进程管理
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<P class=MsoNormal 
style="TEXT-ALIGN: center; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan" 
align=center><B><SPAN 
style="FONT-SIZE: 12pt; COLOR: #306db0; FONT-FAMILY: 华文行楷; mso-hansi-font-family: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">第二章 
进程管理</SPAN></B><B><SPAN 
style="FONT-SIZE: 16pt; COLOR: #306db0; FONT-FAMILY: 华文行楷; mso-hansi-font-family: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 12.0pt"> 
</SPAN></B><SPAN lang=EN-US 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal 
style="MARGIN-LEFT: 21pt; TEXT-INDENT: -21pt; TEXT-ALIGN: left; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan; tab-stops: list 21.0pt" 
align=left><SPAN lang=EN-US 
style="FONT-SIZE: 9pt; COLOR: #306db0; FONT-FAMILY: Wingdings; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-bidi-font-weight: bold">l</SPAN><SPAN 
lang=EN-US 
style="FONT-SIZE: 7pt; COLOR: #306db0; mso-font-kerning: 0pt; mso-bidi-font-weight: bold">&nbsp;<SPAN 
class=GramE>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN> 
</SPAN><B><SPAN 
style="FONT-SIZE: 9pt; COLOR: #306db0; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">程序顺序执行与并发执行比较</SPAN></B><B><SPAN 
lang=EN-US 
style="FONT-SIZE: 9pt; COLOR: #306db0; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt">&nbsp; 
&nbsp; </SPAN></B><SPAN lang=EN-US 
style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P>
<DIV align=center>
<TABLE class=MsoNormalTable 
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  <TBODY>
  <TR style="HEIGHT: 12pt; mso-yfti-irow: 0">
    <TD 
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      <P class=MsoNormal 
      style="TEXT-ALIGN: center; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan; tab-stops: 106.1pt" 
      align=center><B><SPAN 
      style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">顺序执行<SPAN 
      style="TEXT-TRANSFORM: uppercase; LETTER-SPACING: 1pt"> 
      </SPAN></SPAN></B><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD>
    <TD 
    style="BORDER-RIGHT: #29679a 1pt inset; PADDING-RIGHT: 0.75pt; BORDER-TOP: #29679a 1pt inset; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #29679a 1pt inset; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #29679a 1pt inset; HEIGHT: 12pt; mso-border-alt: inset #29679A .75pt">
      <P class=MsoNormal 
      style="TEXT-ALIGN: center; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan; tab-stops: 106.1pt" 
      align=center><B><SPAN 
      style="FONT-SIZE: 10pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt">并发执行<SPAN 
      style="TEXT-TRANSFORM: uppercase; LETTER-SPACING: 1pt"> 
      </SPAN></SPAN></B><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD></TR>
  <TR style="HEIGHT: 10.5pt; mso-yfti-irow: 1">
    <TD 
    style="BORDER-RIGHT: #29679a 1pt inset; PADDING-RIGHT: 0.75pt; BORDER-TOP: #29679a 1pt inset; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #29679a 1pt inset; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #29679a 1pt inset; HEIGHT: 10.5pt; mso-border-alt: inset #29679A .75pt">
      <P class=MsoNormal 
      style="LINE-HEIGHT: 10.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">程序顺序执行</SPAN><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD>
    <TD 
    style="BORDER-RIGHT: #29679a 1pt inset; PADDING-RIGHT: 0.75pt; BORDER-TOP: #29679a 1pt inset; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #29679a 1pt inset; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #29679a 1pt inset; HEIGHT: 10.5pt; mso-border-alt: inset #29679A .75pt">
      <P class=MsoNormal 
      style="LINE-HEIGHT: 10.5pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">间断执行，多个程序各自在“走走停停”种进行</SPAN><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD></TR>
  <TR style="HEIGHT: 11.25pt; mso-yfti-irow: 2">
    <TD 
    style="BORDER-RIGHT: #29679a 1pt inset; PADDING-RIGHT: 0.75pt; BORDER-TOP: #29679a 1pt inset; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #29679a 1pt inset; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #29679a 1pt inset; HEIGHT: 11.25pt; mso-border-alt: inset #29679A .75pt">
      <P class=MsoNormal 
      style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">程序具有封闭性</SPAN><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD>
    <TD 
    style="BORDER-RIGHT: #29679a 1pt inset; PADDING-RIGHT: 0.75pt; BORDER-TOP: #29679a 1pt inset; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #29679a 1pt inset; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #29679a 1pt inset; HEIGHT: 11.25pt; mso-border-alt: inset #29679A .75pt">
      <P class=MsoNormal 
      style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">程序失去封闭性</SPAN><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD></TR>
  <TR style="HEIGHT: 11.25pt; mso-yfti-irow: 3">
    <TD 
    style="BORDER-RIGHT: #29679a 1pt inset; PADDING-RIGHT: 0.75pt; BORDER-TOP: #29679a 1pt inset; PADDING-LEFT: 0.75pt; PADDING-BOTTOM: 0.75pt; BORDER-LEFT: #29679a 1pt inset; PADDING-TOP: 0.75pt; BORDER-BOTTOM: #29679a 1pt inset; HEIGHT: 11.25pt; mso-border-alt: inset #29679A .75pt">
      <P class=MsoNormal 
      style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">独享资源</SPAN><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD>
    <TD 
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      <P class=MsoNormal 
      style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">共享资源</SPAN><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD></TR>
  <TR style="HEIGHT: 11.25pt; mso-yfti-irow: 4">
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      <P class=MsoNormal 
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      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">具有可在现性</SPAN><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD>
    <TD 
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      <P class=MsoNormal 
      style="LINE-HEIGHT: 11.25pt; TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">失去可再现性</SPAN><SPAN 
      lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD></TR>
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      <P class=MsoNormal style="TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p>&nbsp;</o:p></SPAN></P></TD>
    <TD 
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      <P class=MsoNormal style="TEXT-ALIGN: left; mso-pagination: widow-orphan" 
      align=left><SPAN 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: 'Times New Roman'">有直接和<SPAN 
      class=GramE>简接</SPAN>的相互制约</SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-bidi-font-size: 10.0pt"> 
      &nbsp; </SPAN><SPAN lang=EN-US 
      style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt"><o:p></o:p></SPAN></P></TD></TR></TBODY></TABLE></DIV>
<P class=MsoNormal 
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align=left><B><SPAN lang=EN-US
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