linux设备驱动程序学习（6）-高级字符驱动程序操作［（3）设备文件的访问控制］ - linux设备驱动程序 - tekkaman ninja.htm

Linux设备驱动程序学习（5）-高级字符驱动程序操作［（2）阻塞型I-O和休眠］ - Linux设备驱动程序.rar

                                style="COLOR: #0000cc">/</SPAN>tmp<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUID_testr<SPAN 
                                style="COLOR: #0000cc">&amp;</SPAN><BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN>login 
                                tekkaman<BR>Password<SPAN 
                                style="COLOR: #0000cc">:</SPAN><BR><SPAN 
                                style="COLOR: #ff0000">Set</SPAN> <SPAN 
                                style="COLOR: #ff0000">search</SPAN> library 
                                path <SPAN style="COLOR: #0000ff">int</SPAN> 
                                <SPAN style="COLOR: #0000cc">/</SPAN>etc<SPAN 
                                style="COLOR: #0000cc">/</SPAN>profile<BR><SPAN 
                                style="COLOR: #ff0000">Set</SPAN> user path in 
                                <SPAN style="COLOR: #0000cc">/</SPAN>etc<SPAN 
                                style="COLOR: #0000cc">/</SPAN>profile<BR>runing 
                                <SPAN style="COLOR: #0000cc">/</SPAN>etc<SPAN 
                                style="COLOR: #0000cc">/</SPAN>profile 
                                ok<BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #0000cc">/</SPAN>tmp<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUID_testw<BR><SPAN 
                                style="COLOR: #ff0000">open</SPAN> singleUID 
                                code<SPAN style="COLOR: #0000cc">=</SPAN><SPAN 
                                style="COLOR: #0000cc">-</SPAN>1<BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #0000cc">/</SPAN>tmp<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUID_testr<BR><SPAN 
                                style="COLOR: #ff0000">open</SPAN> singleUID 
                                code<SPAN style="COLOR: #0000cc">=</SPAN><SPAN 
                                style="COLOR: #0000cc">-</SPAN>1<BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #ff0000">exit</SPAN><BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #0000cc">/</SPAN>tmp<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUID_testw<BR><SPAN 
                                style="COLOR: #ff0000">write</SPAN> code<SPAN 
                                style="COLOR: #0000cc">=</SPAN>0<BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #ff0000">read</SPAN> code<SPAN 
                                style="COLOR: #0000cc">=</SPAN>0<BR><BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>1<SPAN 
                                style="COLOR: #0000cc">]</SPAN> <SPAN 
                                style="COLOR: #0000cc">+</SPAN> Done <SPAN 
                                style="COLOR: #0000cc">/</SPAN>tmp<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUID_testr</SPAN></CODE></P></TD></TR></TBODY></TABLE>
                              <P><STRONG><FONT color=#0000ff 
                              size=4>阻塞型单用户访问</FONT></STRONG></P><STRONG><FONT 
                              color=#0000ff size=4>
                              <P><FONT size=4><FONT face=新宋体 size=3><FONT 
                              color=#000000>模块程序链接</FONT>：<A 
                              href="http://blogimg.chinaunix.net/blog/upfile2/071107144836.gz" 
                              target=_blank><FONT face="Courier New" 
                              size=2>completion-singleUIDnb.tar.gz</FONT></A></FONT></FONT></P>
                              <P><FONT size=4><FONT size=3><FONT 
                              color=#000000>模块测试程序<FONT 
                              face=新宋体>链接</FONT></FONT>：<A 
                              href="http://blogimg.chinaunix.net/blog/upfile2/071109103245.gz" 
                              target=_blank><FONT 
                              size=2>completion-singleUIDnb-test.tar.gz</FONT></A></FONT></FONT></P>
                              <P><SPAN style="COLOR: rgb(0,1,255)"><FONT 
                              size=4>ARM9实验板的实验现象是：</FONT></SPAN></FONT></STRONG></P>
                              <TABLE style="BORDER-COLLAPSE: collapse" 
                              borderColor=#999999 cellSpacing=0 cellPadding=0 
                              width="95%" bgColor=#f1f1f1 border=1>
                                <TBODY>
                                <TR>
                                <TD>
                                <P 
                                style="MARGIN: 5px; LINE-HEIGHT: 150%"><CODE><SPAN 
                                style="COLOR: #000000"><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN>insmod <SPAN 
                                style="COLOR: #0000cc">/</SPAN>lib<SPAN 
                                style="COLOR: #0000cc">/</SPAN>modules<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUIDnb<SPAN 
                                style="COLOR: #0000cc">.</SPAN>ko<BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN>cat <SPAN 
                                style="COLOR: #0000cc">/</SPAN>proc<SPAN 
                                style="COLOR: #0000cc">/</SPAN>devices<BR>Character 
                                devices<SPAN 
                                style="COLOR: #0000cc">:</SPAN><BR>&nbsp;&nbsp;1 
                                mem<BR>&nbsp;&nbsp;2 pty<BR>&nbsp;&nbsp;3 
                                ttyp<BR>&nbsp;&nbsp;4 <SPAN 
                                style="COLOR: #0000cc">/</SPAN>dev<SPAN 
                                style="COLOR: #0000cc">/</SPAN>vc<SPAN 
                                style="COLOR: #0000cc">/</SPAN>0<BR>&nbsp;&nbsp;4 
                                tty<BR>&nbsp;&nbsp;4 ttyS<BR>&nbsp;&nbsp;5 <SPAN 
                                style="COLOR: #0000cc">/</SPAN>dev<SPAN 
                                style="COLOR: #0000cc">/</SPAN>tty<BR>&nbsp;&nbsp;5 
                                <SPAN style="COLOR: #0000cc">/</SPAN>dev<SPAN 
                                style="COLOR: #0000cc">/</SPAN>console<BR>&nbsp;&nbsp;5 
                                <SPAN style="COLOR: #0000cc">/</SPAN>dev<SPAN 
                                style="COLOR: #0000cc">/</SPAN>ptmx<BR>&nbsp;&nbsp;7 
                                vcs<BR>&nbsp;10 misc<BR>&nbsp;13 
                                input<BR>&nbsp;14 sound<BR>&nbsp;81 
                                video4linux<BR>&nbsp;89 i2c<BR>&nbsp;90 
                                mtd<BR>116 alsa<BR>128 ptm<BR>136 pts<BR>180 
                                usb<BR>189 usb_device<BR>204 
                                s3c2410_serial<BR><FONT color=#ff0000>252 
                                singleUIDnb</FONT><BR>253 usb_endpoint<BR>254 
                                rtc<BR><BR>Block devices<SPAN 
                                style="COLOR: #0000cc">:</SPAN><BR>&nbsp;&nbsp;1 
                                ramdisk<BR>256 rfd<BR>&nbsp;&nbsp;7 
                                loop<BR>&nbsp;31 mtdblock<BR>&nbsp;93 
                                nftl<BR>&nbsp;96 inftl<BR>179 mmc<BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN>mknod <SPAN 
                                style="COLOR: #0000cc">-</SPAN>m 666 <SPAN 
                                style="COLOR: #0000cc">/</SPAN>dev<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUIDnb c 252 
                                0<BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #0000cc">/</SPAN>tmp<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUID_testrnb<SPAN 
                                style="COLOR: #0000cc">&amp;</SPAN><BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN>login 
                                tekkaman<BR>Password<SPAN 
                                style="COLOR: #0000cc">:</SPAN><BR><SPAN 
                                style="COLOR: #ff0000">Set</SPAN> <SPAN 
                                style="COLOR: #ff0000">search</SPAN> library 
                                path <SPAN style="COLOR: #0000ff">int</SPAN> 
                                <SPAN style="COLOR: #0000cc">/</SPAN>etc<SPAN 
                                style="COLOR: #0000cc">/</SPAN>profile<BR><SPAN 
                                style="COLOR: #ff0000">Set</SPAN> user path in 
                                <SPAN style="COLOR: #0000cc">/</SPAN>etc<SPAN 
                                style="COLOR: #0000cc">/</SPAN>profile<BR>runing 
                                <SPAN style="COLOR: #0000cc">/</SPAN>etc<SPAN 
                                style="COLOR: #0000cc">/</SPAN>profile 
                                ok<BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #0000cc">/</SPAN>tmp<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUID_testrnb 
                                <SPAN 
                                style="COLOR: #0000cc">&amp;</SPAN><BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #0000cc">/</SPAN>tmp<SPAN 
                                style="COLOR: #0000cc">/</SPAN>singleUID_testwnb 
                                <SPAN 
                                style="COLOR: #0000cc">&amp;</SPAN><BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN><SPAN 
                                style="COLOR: #ff0000">exit</SPAN><BR><SPAN 
                                style="COLOR: #0000cc">[</SPAN>Tekkaman2440@SBC2440V4<SPAN 
                                style="COLOR: #0000cc">]</SPAN><SPAN 
                                style="COLOR: #0000cc">#</SPAN>ps<BR>&nbsp;&nbsp;PID 
                                Uid VSZ Stat 
                                Command<BR>&nbsp;&nbsp;&nbsp;&nbsp;1 root 1744 S 
                                init<BR>&nbsp;&nbsp;&nbsp;&nbsp;2 root SW<SPAN 
                                style="COLOR: #0000cc">&lt;</SPAN> <SPAN 
                                style="COLOR: #0000cc">[</SPAN>kthreadd<SPAN 
                                style="COLOR: #0000cc">]</SPAN><BR>&nbsp;&nbsp;&nbsp;&nbsp;3 
                                root SWN <SPAN 
                                style="COLOR: #0000cc">[</SPAN>ksoftirqd<SPAN 
                                style="COLOR: #0000cc">/</SPAN>0<SPAN 
                                style="COLOR: #0000cc">]</SPAN><BR>&nbsp;&nbsp;&nbsp;&nbsp;4 
                                root SW<SPAN style="COLOR: #0000cc">&lt;</SPAN> 
                                <SPAN 
                                style="COLOR: #0000cc">[</SPAN>watchdog<SPAN 
                                style="COLOR: #0000cc">/</SPAN>0<SPAN 
                                style="COLOR: #0000cc">]</SPAN><BR>&nbsp;&nbsp;&nbsp;&nbsp;5 
                                root SW<SPAN style="COLOR: #0000cc">&lt;</SPAN> 
                                <SPAN style="COLOR: #0000cc">[</SPAN>events<SPAN 
                                style="COLOR: #0000cc">/</SPAN>0<SPAN 
                                style="COLOR: #0000cc">]</SPAN><BR>&nbsp;&nbsp;&nbsp;&nbsp;6 
                                root SW<SPAN style="COLOR: #0000cc">&lt;</SPAN> 
                                <SPAN