锘??xml version="1.0" encoding="utf-8" standalone="yes"?>99riav国产精品,欧美性猛交xxxx乱大交蜜桃,亚洲毛片在线观看http://www.shnenglu.com/jimzshi/category/8248.htmlwrite whatever i think.zh-cnSat, 13 Sep 2008 06:20:16 GMTSat, 13 Sep 2008 06:20:16 GMT60- unix I/O (2) -- write()http://www.shnenglu.com/jimzshi/archive/2008/09/12/61689.htmlZechZechFri, 12 Sep 2008 08:23:00 GMThttp://www.shnenglu.com/jimzshi/archive/2008/09/12/61689.htmlhttp://www.shnenglu.com/jimzshi/comments/61689.htmlhttp://www.shnenglu.com/jimzshi/archive/2008/09/12/61689.html#Feedback0http://www.shnenglu.com/jimzshi/comments/commentRss/61689.htmlhttp://www.shnenglu.com/jimzshi/services/trackbacks/61689.html闃呰鍏ㄦ枃

]]> - c++ template (1) -- template template parametershttp://www.shnenglu.com/jimzshi/archive/2008/09/12/61659.htmlZechZechFri, 12 Sep 2008 02:23:00 GMThttp://www.shnenglu.com/jimzshi/archive/2008/09/12/61659.htmlhttp://www.shnenglu.com/jimzshi/comments/61659.htmlhttp://www.shnenglu.com/jimzshi/archive/2008/09/12/61659.html#Feedback0http://www.shnenglu.com/jimzshi/comments/commentRss/61659.htmlhttp://www.shnenglu.com/jimzshi/services/trackbacks/61659.html1 template<typename V,template<typename E, typename A = std::allocator<E>> class F>
2 class MyClass {};
涓婇潰榪欐浠g爜澹版槑浜嗕竴涓ā鏉跨被MyClass銆侻yClass鏈変袱涓被鍨嬪弬鏁皌ypename V鍜宑lass F錛屽叾涓璫lass F鍙堟槸涓涓ā鏉跨被銆傛敞鎰忚繖縐嶅0鏄庢柟寮忋?

]]> - read/write(1) -- readhttp://www.shnenglu.com/jimzshi/archive/2008/09/12/61657.htmlZechZechFri, 12 Sep 2008 02:01:00 GMThttp://www.shnenglu.com/jimzshi/archive/2008/09/12/61657.htmlhttp://www.shnenglu.com/jimzshi/comments/61657.htmlhttp://www.shnenglu.com/jimzshi/archive/2008/09/12/61657.html#Feedback1http://www.shnenglu.com/jimzshi/comments/commentRss/61657.htmlhttp://www.shnenglu.com/jimzshi/services/trackbacks/61657.html鍑芥暟鍚嶏細
read - 浠庢枃浠舵弿榪板瓧涓
鎽樿錛?/span>
1 #include <unistd.h>
2
3 ssize_t read(int fd, void* buf, size_t cnt);
鎻忚堪錛?/span>
read()璇曞浘浠庢枃浠舵弿榪板瓧fd涓鍙朿nt瀛楄妭鍒頒互buf寮濮嬬殑緙撳啿鍖轟腑銆?br> 濡傛灉cnt涓?錛宺ead()榪斿洖0騫朵笖buf涓病鏈夌粨鏋滐紱濡傛灉cnt澶т簬SSIZE_MAX錛岀粨鏋滀負瀹氫箟銆?br>
榪斿洖鍊鹼細
濡傛灉鎴愬姛錛岃繑鍥炶鍙栫殑瀛楄妭鏁癭ret'錛堥潪璐燂紝0浠h〃閬囧埌浜嗘枃浠剁粨鏉熺錛夛紝騫朵笖鏂囦歡浣嶇疆鍓嶇Щret瀛楄妭銆傚鏋渞et<cnt騫朵笉浠h〃鍑洪敊錛涗緥濡傦紝榪欑鎯呭喌鍙兘鏄敱浜庡綋鍓嶅彧鏈塺et瀛楄妭鍙敤錛堝彲鑳芥槸鍥犱負宸茬粡鎺ヨ繎鏂囦歡緇撴潫錛屾垨鑰呭洜涓烘垜浠浠庣閬撴垨緇堢涓鍙栵級錛屼篃鍙兘鐢變簬read()琚俊鍙蜂腑鏂傚鏋滃嚭閿欙紝榪斿洖-1銆傚湪榪欑鎯呭喌涓嬶紝鏂囦歡浣嶇疆鏄惁鏀瑰彉鏄湭瀹氫箟琛屼負銆?br>
閿欒鍙鳳細
EINTR 璇ヨ皟鐢ㄥ湪璇誨畬鏁版嵁涔嬪墠琚俊鍙蜂腑鏂?br> EAGAIN 鐢∣_NONBLOCK閫夋嫨浜嗛潪闃誨妯″紡I/O錛屼絾鏄綋鍓嶆病鏈夋暟鎹彲鐢ㄣ?br> EIO I/O閿欒銆備緥濡傝繖縐嶆儏鍐靛彲鑳藉彂鐢熷湪褰撳墠榪涚▼涓哄悗鍙拌繍琛岀粍錛岃瘯鍥句粠瀹冩墍鎺у埗鐨則ty涓鍙栵紝浣嗘槸璇ョ粓绔負褰撳墠鏃犳晥鎴栬呭睆钄戒簡SIGTTIN淇″彿鍙堟垨鑰呰緇堢榪涚▼涓?#8220;瀛ゅ効榪涚▼”錛坥rphan process)銆?褰撲粠紓佺洏涓鍙栨暟鎹椂閬囧埌搴曞眰I/O閿欒鏃訛紝涔熶細鍙戠敓榪欑鎯呭喌銆?br> EISDIR fd寮曠敤浜嗕竴涓洰褰曘?br> EBADF fd涓嶆槸鏈夋晥鏂囦歡鎻忚堪瀛楋紝鎴栬呮病鏈変負璇繪墦寮銆?br> EINVAL fd寮曠敤浜嗕竴涓笉鏀寔璇繪搷浣滅殑璁懼銆?br> EFAULT buf瓚呭嚭浜嗗彲璁塊棶鍦板潃絀洪棿銆?br> 鍏朵粬閿欒涔熶細鍙戠敓錛岃繖鍙栧喅浜巉d鎵榪炴帴鐨勮澶囥?POSIX鍏佽read璋冪敤鍦ㄨ鍙栭儴鍒嗘暟鎹悗琚俊鍙蜂腑鏂悗錛屾垨鑰呰繑鍥?1錛堥敊璇彿琚疆涓篍INTR)錛屾垨鑰呰繑鍥炲凡緇忚鍙栫殑瀛楄妭鏁般?br>
瑙勮寖錛?/span>
SVr4, SVID, AT&T, POSIX, X/OPEN, BSD 4.3
綰︽潫錛?br> 鍦∟FS鏂囦歡緋葷粺涓紝璇誨彇灝忛噺鏁版嵁鍙湪絎竴嬈℃椂鏇存柊鏃墮棿鎴籌紝鑰屽悗緇皟鐢ㄤ笉浼氭洿鏂般傝繖鏄敱瀹㈡埛绔睘鎬х紦瀛橈紙client side attribute caching)瀵艱嚧鐨勶紝鍥犱負緇濆ぇ澶氭暟NFS瀹㈡埛绔server緇存姢atime錛堟渶鍚庤闂椂闂達級錛岃屽鎴風read璋冪敤鎵浜х敓鐨勮鎿嶄綔娌℃湁閫犳垚server绔殑璇繪搷浣滀粠鑰屼篃涓嶄細瀵艱嚧server鏇存柊atime銆傚彲浠ラ氳繃紱佺敤瀹㈡埛绔睘鎬х紦瀛樹互鑾峰緱UNIX璇箟錛屼絾浜嬪疄璇佹槑澶у鏁版儏鍐典笅榪欎細澧炲姞server璐熻澆騫墮檷浣庢ц兘銆?br>
鍙傝冿細
close(2), fcntl(2), ioctl(2), lseek(2), readdir(2), readlink(2), select(2), write(2), fread(3), readv(3)

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