锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#x4E45;&#x4E45;&#x72E0;&#x72E0;&#x7231;&#x4E9A;&#x6D32;&#x7EFC;&#x5408;&#x5F71;&#x9662;&#x2C;&#x79;&#x65;&#x6C;&#x6C;&#x6F;&#x77;&#x4E2D;&#x6587;&#x5B57;&#x5E55;&#x4E45;&#x4E45;&#x7F51;&#x2C;&#x4E9A;&#x6D32;&#x4EBA;&#x41;&#x56;&#x6C38;&#x4E45;&#x4E00;&#x533A;&#x4E8C;&#x533A;&#x4E09;&#x533A;&#x4E45;&#x4E45;</title><link>http://www.shnenglu.com/leonzhang/</link><description /><language>zh-cn</language><lastBuildDate>Thu, 08 May 2025 08:55:13 GMT</lastBuildDate><pubDate>Thu, 08 May 2025 08:55:13 GMT</pubDate><ttl>60</ttl><item><title>C/C++ on Liunx platform 絎洓綃?thread control </title><link>http://www.shnenglu.com/leonzhang/archive/2012/05/08/174014.html</link><dc:creator>leon_zhang</dc:creator><author>leon_zhang</author><pubDate>Tue, 08 May 2012 14:23:00 GMT</pubDate><guid>http://www.shnenglu.com/leonzhang/archive/2012/05/08/174014.html</guid><wfw:comment>http://www.shnenglu.com/leonzhang/comments/174014.html</wfw:comment><comments>http://www.shnenglu.com/leonzhang/archive/2012/05/08/174014.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.shnenglu.com/leonzhang/comments/commentRss/174014.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/leonzhang/services/trackbacks/174014.html</trackback:ping><description><![CDATA[<div><font style="background-color: #cce8cf">綰跨▼浼樼偣錛堝姣旇繘紼嬶級(jí)錛?br />1.寮�閿�灝?br />2.鐢變簬鍚屽湪涓�涓繘紼嬩腑錛屽悇綰跨▼涔嬮棿寰堟柟渚跨殑璁塊棶鍏變韓鏁版嵁銆?br />綰跨▼鍏稿瀷搴旂敤錛氬紓姝ュ鐞嗘満鍒訛紱澶勭悊blocking IO;<br />綰跨▼鍑芥暟瀹氫箟鍦?lt;pthread.h&gt;<br />綰跨▼瀵逛簬鍏變韓鏁版嵁鐨勫悓姝ユ満鍒?<br />1.鏄懼紡浜掓枼閿乵utex_t <br />...<br />閬垮厤棰戠箒鍒涘緩閿�姣佺嚎紼嬬殑寮�閿�錛屽彲浣跨敤綰跨▼姹犲鐢ㄧ嚎紼嬶紝鍙傝�僢oost threadpool.<br /><br />&lt;to be continue...&gt;<br /></font></div><img src ="http://www.shnenglu.com/leonzhang/aggbug/174014.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/leonzhang/" target="_blank">leon_zhang</a> 2012-05-08 22:23 <a href="http://www.shnenglu.com/leonzhang/archive/2012/05/08/174014.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>C/C++ on Liunx platform 絎笁綃?process control </title><link>http://www.shnenglu.com/leonzhang/archive/2012/05/06/173837.html</link><dc:creator>leon_zhang</dc:creator><author>leon_zhang</author><pubDate>Sun, 06 May 2012 11:21:00 GMT</pubDate><guid>http://www.shnenglu.com/leonzhang/archive/2012/05/06/173837.html</guid><wfw:comment>http://www.shnenglu.com/leonzhang/comments/173837.html</wfw:comment><comments>http://www.shnenglu.com/leonzhang/archive/2012/05/06/173837.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.shnenglu.com/leonzhang/comments/commentRss/173837.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/leonzhang/services/trackbacks/173837.html</trackback:ping><description><![CDATA[<div><font style="background-color: #cce8cf">瓚佺潃浼戞伅榪欎袱澶╋紝鎶婂熀鏈殑C linux API鍜屾爣鍑嗗簱鐨勫唴瀹瑰彂甯冧笅~~,浣滀負(fù)涓�涓褰曪紝涔熸彁渚涚粰澶у鍋氬弬鑰冿紝璇峰鎻恈omments銆?br /><br />Create process API瀹氫箟鍦╱nistd.h涓�?br />鍑芥暟鍘熷瀷錛?br />pid_t fork(void);&nbsp;<br />瀵瑰瓙榪涚▼榪斿洖0錛屽鐖惰繘紼嬭繑鍥炲瓙榪涚▼pid.<br />濡傛灉鐖惰繘紼嬩笉澶勭悊瀛愯繘紼嬬殑exit status, 瀛愯繘紼嬪氨鎴愪負(fù) Z process銆?br />閬垮厤Z process錛?br />1. 浣跨敤 pid_t waitpid(pid_t,int*,int);鏉ラ樆濉炵瓑寰呭瓙榪涚▼閫�鍑恒�?br />2. 鐖惰繘紼嬩嬌鐢╯ingal榪涜寮傛澶勭悊錛屽綋瀛愯繘紼嬬粨鏉熸椂錛屽彂閫丼IGCHLD signal 緇欑埗榪涚▼錛岀埗榪涚▼鏀跺埌SIGCHLD鍚庡啀璋冪敤waitpid()銆?br />&nbsp;&nbsp;&nbsp; 鍏充簬淇″彿鐨勫畾涔夊拰鎿嶄綔瑙乻ignal.h<br /><br />&lt;to be continue...&gt;<br /></font></div><img src ="http://www.shnenglu.com/leonzhang/aggbug/173837.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/leonzhang/" target="_blank">leon_zhang</a> 2012-05-06 19:21 <a href="http://www.shnenglu.com/leonzhang/archive/2012/05/06/173837.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>C/C++ on Liunx platform 絎簩綃?I/O</title><link>http://www.shnenglu.com/leonzhang/archive/2012/05/06/173813.html</link><dc:creator>leon_zhang</dc:creator><author>leon_zhang</author><pubDate>Sun, 06 May 2012 05:14:00 GMT</pubDate><guid>http://www.shnenglu.com/leonzhang/archive/2012/05/06/173813.html</guid><wfw:comment>http://www.shnenglu.com/leonzhang/comments/173813.html</wfw:comment><comments>http://www.shnenglu.com/leonzhang/archive/2012/05/06/173813.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.shnenglu.com/leonzhang/comments/commentRss/173813.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/leonzhang/services/trackbacks/173813.html</trackback:ping><description><![CDATA[<div><font style="background-color: #cce8cf">UNIX API鎻愪緵鏈�鍩烘湰鐨処O鍑芥暟錛屽０鏄庡湪fcntl.h unistd.h涓�?fcntrl&lt;=&gt;fd control)<br />搴旂敤紼嬪簭浣跨敤file descriper(鏂囦歡鎻忚堪絎?鍜屽唴鏍鎬氦浜掋�?br />榪欎簺鍑芥暟涓庢爣鍑嗗簱涓殑IO瀵規(guī)瘮錛岀О涓簎nbuffered I/O.<br />UNIX涓竴鍒囬兘鏄枃浠訛紝紓佺洏涓婃枃浠訛紝socket閮藉彲浠ョ敤FD鏉ユ爣璇嗭紝涔熼兘鍙互浣跨敤榪欎簺鍑芥暟鎿嶄綔I/O.<br />UNIX 甯哥敤IO妯″瀷(閮ㄥ垎)錛?br />1.blocking IO<br />2. Non-blocking IO<br />3. IO 澶嶇敤<br />鍦ㄦ墦寮�鏂囦歡鏃訛紝榛樿I/O鏂瑰紡鏄痓locking.<br />鍑芥暟鍘熷瀷錛?br />ssize_t read(int,void*,size_t); //-1 error , 0 EOF<br />ssize_t write(int,void*,size_t);<br /><font style="background-color: #cce8cf">read鍜寃rite涓�鑸兘鏀懼埌涓�涓驚鐜噷錛屽嚭閿欐垨鑰匛OF鎵峛reak</font><br />鍦╯ocket IO鏃跺�欙紝濡傛灉鏄痓locking mode,鍦ㄨ鎿嶄綔鐨勬椂鍊欙紝濡傛灉鍐呮牳娌℃湁鍑嗗濂芥暟鎹紝閭ｄ箞read鍑芥暟灝變細(xì)闃誨錛岃嚜鐒墮渶瑕佷竴涓猼hread鏉ュ鐞嗐�?br />IO澶嶇敤鎶�鏈彲浠ヤ嬌鏈嶅姟鍣ㄤ笉鐢ㄤ負(fù)姣忎竴涓鎴風(fēng)閮藉垎閰?涓猼hread.<br />&lt; to be continue...&gt;<br /><br /></font></div><img src ="http://www.shnenglu.com/leonzhang/aggbug/173813.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/leonzhang/" target="_blank">leon_zhang</a> 2012-05-06 13:14 <a href="http://www.shnenglu.com/leonzhang/archive/2012/05/06/173813.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>C/C++ on Liunx platform 絎竴綃?鍩烘湰姒傚康鍜屽繀瑕佺煡璇?/title><link>http://www.shnenglu.com/leonzhang/archive/2012/05/05/173780.html</link><dc:creator>leon_zhang</dc:creator><author>leon_zhang</author><pubDate>Sat, 05 May 2012 13:34:00 GMT</pubDate><guid>http://www.shnenglu.com/leonzhang/archive/2012/05/05/173780.html</guid><wfw:comment>http://www.shnenglu.com/leonzhang/comments/173780.html</wfw:comment><comments>http://www.shnenglu.com/leonzhang/archive/2012/05/05/173780.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.shnenglu.com/leonzhang/comments/commentRss/173780.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/leonzhang/services/trackbacks/173780.html</trackback:ping><description><![CDATA[<div><font style="background-color: #cce8cf">Linux鍐呮牳錛氬叾浣滅敤鏄鐞嗚綆楁満紜歡錛涗互C鍑芥暟褰㈠紡鎻愪緵API銆?br />C璇█鏍囧噯搴擄細(xì)鍦ˋPI涔嬩笂鏋勫緩鐨勪竴灞傚簲鐢ㄧ▼搴忓簱錛屽皝瑁呬簡(jiǎn)涓�浜涗綆綰х殑API錛屼負(fù)涓婂眰搴旂敤鎻愪緵鏇撮珮鏁堢殑C鍑芥暟錛涗緥濡俶alloc,printf銆傛爣鍑嗗簱涓殑涓�浜涘嚱鏁頒笉浣跨敤API錛屼粎鏄彁渚涘湪鐢ㄦ埛鎬佺殑涓�浜涚畻娉曪紝渚嬪strcpy銆?br />寮�鍙戝伐鍏穌e鐢熷懡鍔涳細(xì)C/C++錛屼粠璁＄畻鏈哄紑澶╄緹鍦板彂灞曞埌浠婂ぉ錛屼竴鐩撮兘娌℃湁榪囨椂銆傚氨濂借薄UNIX涓�鏍鳳紝鏋佸叿鐢熷懡鍔涖�?br /><br />&lt;to be continue ...&gt;<br /><br /></font></div><img src ="http://www.shnenglu.com/leonzhang/aggbug/173780.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/leonzhang/" target="_blank">leon_zhang</a> 2012-05-05 21:34 <a href="http://www.shnenglu.com/leonzhang/archive/2012/05/05/173780.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                            <footer>
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