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>&#65;&#86;&#29408;&#29408;&#33394;&#19969;&#39321;&#23159;&#23159;&#32508;&#21512;&#20037;&#20037;&#13;&#44;&#21697;&#25104;&#20154;&#27431;&#32654;&#22823;&#29255;&#20037;&#20037;&#22269;&#20135;&#27431;&#32654;&#44;&#20037;&#20037;&#38738;&#33609;&#22269;&#20135;&#31934;&#21697;&#19968;&#21306;</title><link>http://www.shnenglu.com/powervv/archive/2008/06/30/54934.html</link><dc:creator>powervv</dc:creator><author>powervv</author><pubDate>Mon, 30 Jun 2008 01:19:00 GMT</pubDate><guid>http://www.shnenglu.com/powervv/archive/2008/06/30/54934.html</guid><wfw:comment>http://www.shnenglu.com/powervv/comments/54934.html</wfw:comment><comments>http://www.shnenglu.com/powervv/archive/2008/06/30/54934.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/powervv/comments/commentRss/54934.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/powervv/services/trackbacks/54934.html</trackback:ping><description><![CDATA[<p><span>淇″彿鏄紶閫佺粰榪涚▼鐨勪竴縐嶄簨浠墮�氱煡錛岀敓鎴愪俊鍙風(fēng)殑浜嬩歡鏈変笁澶х被錛?/span></p>
<p><span><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>紼嬪簭閿欒錛氶櫎闆訛紝闈炴硶鍐呭瓨璁塊棶</span><span>&#8230;</span></p>
<p><span><span>2.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>澶栭儴淇″彿錛氱粓绔?/span><span>Ctrl-C</span><span>浜х敓</span><span>SGINT</span><span>淇″彿錛屽畾鏃跺櫒鍒版湡浜х敓</span><span>SIGALRM&#8230;</span></p>
<p><span><span>3.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>鏄劇ず璇鋒眰錛?/span><span>kill</span><span>鍑芥暟鍏佽榪涚▼鍙戦�佷換浣曚俊鍙風(fēng)粰鍏朵粬榪涚▼鎴栬繘紼嬬粍銆?/span></p>
<p><span>淇″彿鐢熸垚鏃㈠彲浠ユ槸鍚屾鐨勶紙淇″彿涓庣▼搴忎腑鐨勬煇涓叿浣撴搷浣滅浉鍏沖茍鍦ㄩ偅涓搷浣滃悓鏃朵駭鐢燂級錛屼篃鍙互鏄紓姝ョ殑銆傞�氬父紼嬪簭閿欒鐢熸垚淇″彿涓哄悓姝ョ殑錛岃繘紼嬫樉寮忚姹傜粰鑷繁鐨勪俊鍙蜂篃鏄悓姝ョ殑銆?/span></p>
<p><span>澶栭儴浜嬩歡鎬繪槸寮傛鐨勶紝鏉ヨ嚜鍏朵粬榪涚▼鐨勬樉紺鴻姹備篃鏄紓姝ョ殑銆?/span></p>
<p><span>淇″彿鍙戠敓鏃訛紝鎴戜滑鍙互鍛婅瘔</span><span>unix</span><span>鍐呮牳閲囧彇涓嬮潰涓夌鍔ㄤ綔涓殑浠諱竴縐嶏細(xì)</span></p>
<p><span><span>1.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>蹇界暐淇″彿錛氬ぇ閮ㄥ垎淇″彿鍙蹇界暐錛岄櫎</span><span>SIGSTOP</span><span>鍜?/span><span>SIGKILL</span><span>淇″彿澶栵紙榪欐槸瓚呯駭鐢ㄦ埛鏉�鎺夋垨鍋滄帀浠繪剰榪涚▼鐨勬墜孌碉級銆?/span></p>
<p><span><span>2.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>鎹曡幏淇″彿錛氭敞鍐屼俊鍙峰鐞嗗嚱鏁幫紝瀹冨浜х敓鐨勭壒瀹氫俊鍙峰仛澶勭悊銆?/span></p>
<p><span><span>3.<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>璁╀俊鍙烽粯璁ゅ姩浣滆搗浣滅敤錛?/span><span>unix</span><span>鍐呮牳瀹氫箟鐨勯粯璁ゅ姩浣滐紝鏈?/span><span>5</span><span>縐嶆儏鍐碉細(xì)</span></p>
<p><span><span>a)<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>嫻佷駭</span><span>abort</span><span>錛氱粓姝㈣繘紼嬪茍浜х敓</span><span>core</span><span>鏂囦歡銆?/span></p>
<p><span><span>b)<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>緇堟</span><span>stop</span><span>錛氱粓姝㈣繘紼嬩絾涓嶇敓鎴?/span><span>core</span><span>鏂囦歡銆?/span></p>
<p><span><span>c)<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>蹇界暐錛氬拷鐣ヤ俊鍙楓�?/span></p>
<p><span><span>d)<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>鎸傝搗</span><span>suspend</span><span>錛氭寕璧瘋繘紼嬨�?/span></p>
<p><span><span>e)<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><span>緇х畫</span><span>continue</span><span>錛氳嫢榪涚▼鏄寕璧風(fēng)殑錛屽垯</span><span>resume</span><span>榪涚▼錛屽惁鍒欏拷鐣ユ淇″彿銆?/span></p>
<p><span>浠繪剰鏃跺埢錛岃繘紼嬪彲浠ヤ負(fù)淇″彿鎸囧畾鍔ㄤ綔銆?/span></p>
<p><span>淇″彿澶勭悊娑夊強涓や釜榪囩▼錛岀敓鎴愪笌浜や粯銆?/span></p>
<p><span>淇″彿鐢熸垚鍑虹幇鍦ㄤ簨浠跺彂鐢熸椂錛屾鏃跺唴鏍告鏌ユ帴鏀惰繘紼嬬殑鐩稿叧鏁版嵁緇撴瀯錛屾緇撴瀯涓褰曚簡淇″彿鐨勫竷灞�錛屾?zhèn)寕淇″彿闆嗗拰澶勭悊鍔ㄤ綔銆傚鏋滀俊鍙鋒槸瑕佽蹇界暐鐨勶紝鍐呮牳涓嶅仛浠諱綍鍔ㄤ綔灝辮繑鍥炪�傚惁鍒欙紝灝嗘淇″彿鍔犲叆鎮(zhèn)寕淇″彿闆嗗悎涓�傦紙鎮(zhèn)寕淇″彿闆嗗悎閫氬父鐢ㄤ綅涓茶〃紺猴紝姣忎綅瀵瑰簲涓�涓俊鍙鳳紝鍐呮牳鏃犳硶璁板綍鍚屼竴淇″彿鐨勫涓疄渚嬶級銆?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>濡傛灉榪涚▼澶勪簬鍙腑鏂殑鐫＄湢鐘舵�侊紝騫朵笖璇ヤ俊鍙烽潪闃誨錛屽唴鏍稿敜閱掕繘紼嬨�傝鍞ら啋榪涚▼涓�鏃﹁繍琛屽垯鍦ㄨ繑鍥炵敤鎴鋒�佸墠浼樺厛澶勭悊鎮(zhèn)寕淇″彿錛屽綋鏈夋?zhèn)寕淇″彿迤堜笖闈為樥d鏃訛紝鍐呮牳鏌ョ湅鏄惁鏈夊鐞嗗彞鏌勶紝濡傛灉娌℃湁娉ㄥ唽鍙ユ焺錛屽垯閲囧彇榛樿鍔ㄤ綔錛堥�氬父涓虹粓姝㈣繘紼嬶級銆傚鏋滄湁鍙ユ焺錛屽垯灝嗘淇″彿鍔犲叆闃誨淇″彿灞忚斀涓�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>鏈�鍚庡唴鏍稿畨鎺掕繘紼嬭繑鍥炲埌鐢ㄦ埛鎬佸茍鎵ц淇″彿鍙ユ焺錛屽悓鏃朵繚璇佸彞鏌勬墽琛屽畬鏃訛紝榪涚▼浠庤涓柇澶勪唬鐮佹墽琛屻�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>鐢卞紓姝ヤ簨浠朵駭鐢熺殑淇″彿鍙兘鍦ㄤ換涓�鏉℃寚浠ゅ悗鍙戠敓錛屽綋淇″彿鍙ユ焺瀹屾垚鏃訛紝榪涚▼浠庝腑鏂箣澶勮搗鎵ц銆傚鏋滀俊鍙鋒槸鍦ㄨ繘紼嬪浜庣郴緇熻皟鐢ㄦ湡闂村埌杈劇殑錛屽唴鏍擱�氬父</span><span>abort</span><span>姝ょ郴緇熻皟鐢ㄥ茍榪斿洖閿欒鐮?/span><span>EINTR</span><span>銆?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>榪涚▼鍙互鏈夐�夋嫨鐨勯樆濉炰俊鍙蜂氦浠橈紝褰撲竴涓闃誨鐨勪俊鍙風(fēng)敓鎴愭椂錛屽鏋滆繘紼嬫寚瀹氱殑鍔ㄤ綔涓洪粯璁ゆ垨鑰呮崟鑾鳳紝鍒欐淇″彿涓�鐩存?zhèn)寕浜庤杩浗E嬬洿鍒板姝や俊鍙風(fēng)殑闃誨鏀懼紑錛屾垨鑰呬俊鍙峰姩浣滄敼涓哄拷鐣ャ�?/span> <span>緋葷粺瀵歸樆濉炰俊鍙風(fēng)殑鍒ゅ畾鏄湪淇″彿浜や粯鏃惰�岄潪鐢熸垚鏃訛紝榪欐牱鍙互鍏佽榪涚▼鍦ㄤ俊鍙瘋浜や粯鍓嶆敼鍙樹俊鍙峰姩浣溿�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>姣忎釜榪涚▼鏈変竴涓樆濉炰俊鍙峰睆钄斤紝瀹冨畾涔夊綋鍓嶈闃誨浜や粯鐨勯偅浜涗俊鍙楓�傚彲璁や負(fù)瀹冩槸涓�涓綅涓詫紝姣忎綅瀵瑰簲涓�涓俊鍙楓�傚鏋滄煇淇″彿瀵瑰簲鐨勪綅琚緗紝鍒欒淇″彿褰撳墠闃誨錛岃繘紼嬪彲璋冪敤</span></p>
<p><span>sigprocmask</span><span>鍑芥暟鏉ユ鏌ユ垨璁劇疆灞忚斀銆?/span></p>
<p><span><br clear=all></span>&nbsp;</p>
<p><span>紼嬪簭閿欒綾諱俊鍙鳳細(xì)榛樿鍔ㄤ綔浣胯繘紼嬫祦浜э紝浜х敓</span><span>core</span><span>鏂囦歡銆?/span></p>
<p><span>SIGABRT</span><span>錛?/span><span><span>&nbsp;&nbsp; </span></span><span>璋冪敤</span><span>abort</span><span>鍑芥暟鐢熸垚鐨勪俊鍙楓�?/span></p>
<p><span>SIGFPE</span><span>錛?/span><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>嫻偣璁＄畻閿欒銆?/span></p>
<p><span>SIGILL</span><span>錛?/span><span> <span>&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>闈炴硶鎸囦護(hù)閿欒銆?/span></p>
<p><span>SIGBUS/SIGSEGV</span><span>錛?/span><span> </span><span>紜歡閿欒</span><span>-</span><span>闈炴硶鍦板潃璁塊棶銆?/span></p>
<p><span>SIGEMT</span><span>錛?/span><span> <span>&nbsp;&nbsp; </span></span><span>紜歡閿欒</span></p>
<p><span>SIGSYS: <span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>闈炴硶緋葷粺璋冪敤銆?/span></p>
<p><span>SIGTRAP</span><span>錛?/span><span><span>&nbsp;&nbsp; </span></span><span>紜歡閿欒錛堥�氬父涓烘柇鐐規(guī)寚浠わ級銆?/span></p>
<p>&nbsp;</p>
<p><span>紼嬪簭緇堟綾諱俊鍙鳳細(xì)榛樿鍔ㄤ綔浣胯繘紼嬬粓姝紝鎴戜滑閫氬父瑕佸鐞嗚繖綾諱俊鍙鳳紝鍋氫竴浜涙竻鐞嗗伐浣滐紝鍙ユ焺鍑芥暟搴斿湪緇撴潫鏃朵負(fù)姝や俊鍙鋒寚瀹氶粯璁ゅ姩浣滐紝鐒跺悗鍐嶆鐢熸垚璇ヤ俊鍙鳳紝浣垮緱紼嬪簭緇堟銆?/span></p>
<p><span>SIGHUP</span><span>錛氱粓绔柇寮�榪炴帴鏃訛紝鐢熸垚姝や俊鍙風(fēng)粰鎺у埗榪涚▼銆?/span></p>
<p><span>SIGINT</span><span>錛?/span><span>Ctrl-C</span><span>鎴?/span><span>Delete</span><span>鎸変笅鏃訛紝鐢辯粓绔┍鍔ㄧ敓鎴愶紝騫跺彂閫佺粰鍓嶅彴榪涚▼緇勪腑鐨勬墍鏈夎繘紼嬨�?/span></p>
<p><span>SIGKILL</span><span>錛氫嬌紼嬪簭绔嬪嵆緇堟錛屼笉鑳借鎹曡幏鎴栧拷鐣ワ紝涔熶笉鑳借闃誨銆?/span></p>
<p><span>SIGQUIT</span><span>錛?/span><span>Ctrl-\,</span><span>濡?/span><span>SIGINT</span><span>錛屽茍涓斾駭鐢?/span><span>core</span><span>銆?/span></p>
<p><span>SIGTERM</span><span>錛氳淇″彿浣跨▼搴忕粓姝紝浣嗘槸鍙互闃誨銆佹崟鑾楓�佸拷鐣ャ�?/span></p>
<p>&nbsp;</p>
<p><span>闂歸挓綾諱俊鍙鳳細(xì)閫氱煡瀹氭椂鍣ㄥ埌鏈燂紝榛樿鍔ㄤ綔鏄粓姝㈢▼搴忥紝浣嗛�氬父浼?xì)璁揪|彞鏌勩�?/span></p>
<p><span>SIGALRM</span><span>錛?/span><span>alarm/setitimer</span><span>鍑芥暟璁劇疆瀹氭椂鍒版湡鍚庯紝浼?xì)漶旂敓姝や俊鍙枫�?/span></p>
<p><span>SIGPROF</span><span>錛?/span></p>
<p><span>SIGVTALRM</span><span>錛?/span></p>
<p>&nbsp;</p>
<p><span>I/O</span><span>綾諱俊鍙鳳細(xì)閫氱煡榪涚▼鍦ㄦ弿榪板瓧涓婂彂鐢熶簡鎰熷叴瓚ｄ簨浠訛紝鏀寔淇″彿椹卞姩</span><span>IO</span><span>銆?/span></p>
<p><span>SIGIO</span><span>錛?/span><span><span> </span>fd</span><span>鍑嗗鎵ц杈撳叆杈撳嚭鏃跺彂閫佹淇″彿銆?/span></p>
<p><span>SIGPOLL</span><span>錛氬紓姝?/span><span>I/O</span><span>淇″彿銆?/span></p>
<p><span>SIGURG</span><span>錛氱綉緇滄敹鍒板甫澶栨暟鎹椂鍙�夋嫨鐢熸垚姝や俊鍙楓�?/span></p>
<p>&nbsp;</p>
<p><span>浣滀笟鎺у埗綾諱俊鍙鳳細(xì)</span></p>
<p><span>SIGCHLD</span><span>錛?/span><span><span>&nbsp;&nbsp; </span></span><span>榪涚▼緇堟鎴栧仠姝㈡椂浼?xì)鍚戝叾鐖稑q涚▼鍙戦�佽淇″彿錛岄粯璁ゅ姩浣滀負(fù)蹇界暐銆?/span></p>
<p><span>SIGCONT:<span>&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>浣垮仠姝㈢殑榪涚▼鎭㈠榪愯銆?/span></p>
<p><span>SIGSTOP:<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span><span>鍋滄榪涚▼銆?/span></p>
<p><span>SIGTSTP/SIGTTIN/SIGTTOU:</span></p>
<p>&nbsp;</p>
<p><span>鎿嶄綔閿欒綾諱俊鍙鳳細(xì)榛樿鍔ㄤ綔緇堟紼嬪簭銆?/span></p>
<p><span>SIGPIPE</span><span>錛?/span><span><span>&nbsp;&nbsp;&nbsp; </span></span><span>綆￠亾鐮磋銆?/span></p>
<p><span>SIGXCPU/SIGXFSZ</span><span>錛?/span></p>
<p>&nbsp;</p>
<p><span>signal</span><span>鍑芥暟錛?/span></p>
<p><span>void (* signal(int sig, void (*func)(int)))(int);</span></p>
<p><span>sig</span><span>鎸囨槑鏄摢涓�縐嶄俊鍙楓�?/span></p>
<p><span>func</span><span>鎸囨槑鍔ㄤ綔錛?/span><span>SIG_DFL</span><span>錛?/span><span> SIG_IGN</span><span>錛屾垨鑰呬俊鍙峰彞鏌勫湴鍧�銆?/span></p>
<p><span>褰撲俊鍙峰彂鐢熸椂錛屽鏋?/span><span>func</span><span>鎸囧悜淇″彿鍙ユ焺錛岀郴緇熷湪灝嗘帶鍒惰漿寰�鍙ユ焺鍓嶏紝鍏堝皢璇ヤ俊鍙峰姩浣滅疆涓?/span><span>DFL,</span><span>鎴栬�呴樆濉炶淇″彿鐩村埌鍙ユ焺瀹屾垚銆?/span></p>
<p><span>Signal</span><span>鍑芥暟榪斿洖鍊兼寚鍚戝墠涓�嬈℃湁鏁堝姩浣滄寚閽堬細(xì)</span><span>SIG_DFL,SIG_IGN,</span><span>鎴栦俊鍙峰湴鍧�錛岃繖鎻愪緵浜嗘仮澶嶄俊鍙峰姩浣滅殑鏈哄埗銆?/span> <span>濡傛灉</span><span>signal</span><span>璋冪敤鍑洪敊錛岃繑鍥?/span><span>SIG_ERR</span><span>騫惰緗?/span><span>errno</span><span>銆?/span></p>
<p>&nbsp;</p>
<p><span>榪涚▼鍒濆惎鏃剁殑淇″彿鍔ㄤ綔錛?/span></p>
<p><span>fork:</span><span>緇ф壙鐖惰繘紼嬬殑鍔ㄤ綔</span></p>
<p><span>exec:</span><span>鎵�鏈変俊鍙峰姩浣滆涔堟槸蹇界暐瑕佷箞鏄粯璁ゃ�?/span></p>
<p>&nbsp;</p>
<p><span>涓嶅彲闈犱俊鍙鳳細(xì)</span></p>
<p><span>鏃╂湡鐗堟湰</span><span>Unix</span><span>涓嬌鐢?/span><span>signal</span><span>錛屾瘡褰撲俊鍙蜂氦浠樻椂錛屽叾鍔ㄤ綔鎬繪槸鐢辯郴緇熼噸緗負(fù)榛樿鍔ㄤ綔錛屽洜姝や負(fù)浜嗕嬌淇″彿鍙ユ焺鎵ц鏈熼棿錛屼粛鑳藉鍚屼竴淇″彿鍚庣畫鍋氬弽搴旓紝闇�瑕佸啀嬈¤皟鐢?/span><span>signal</span><span>銆?/span></p>
<p><span>Catch_Signal(){</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>// </span><span>濡傛灉絎簩嬈′俊鍙峰垰濂藉湪姝ゆ椂鍙戠敓錛屽皢瀵艱嚧榪涚▼緇堟</span><span>core</span><span>鎺夈�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>signal(SIGQUIT,Catch_Signal);</span></p>
<p><span>}</span></p>
<p><span>Main(){<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>signal(SIGQUIT, Catch_Signal);</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&#8230;</span></p>
<p><span>}</span></p>
<p><span>浣跨敤</span><span>signal</span><span>鐨勫彟涓�涓棶棰樻槸錛屽浜庝俊鍙鳳紝榪涚▼瑕佷箞蹇界暐錛岃涔堟崟鑾鳳紝鏃犳硶鍦ㄤ竴孌墊椂闂村唴闃誨淇″彿錛堟帹榪熶俊鍙風(fēng)殑浜や粯錛夛紝涓轟簡鍏嬫湇</span><span>signal</span><span>鍏煎鎬ч棶棰橈紝鐜頒唬</span><span>unix</span><span>鍧囧疄鐜頒簡</span><span>POSIX</span><span>瀹氫箟鐨?/span><span>sigaction</span><span>鍑芥暟錛岃鍑芥暟閲囩敤涓�涓?/span><span>sigaction</span><span>緇撴瀯錛岄櫎瀹氫箟淇″彿浜や粯鏃惰閲囧彇鐨勫姩浣滃錛岃繕鍖呭惈鍏朵粬涓�浜涘姩浣滄帶鍒朵俊鎭�?/span></p>
<p><span>sigaction</span><span>榪樺厑璁歌皟鐢ㄨ繘紼嬫嫻嬫垨鎸囧畾涓庣壒瀹氫俊鍙風(fēng)浉鍏崇殑鍔ㄤ綔銆?/span></p>
<p><span>int sigaction(int sig, const struct sigaction* act, struct sigaction* oact);</span></p>
<p><span>sig</span><span>鎸囧畾淇″彿</span><span>-</span><span>闄?/span><span>SIGKILL</span><span>鍜?/span><span>SIGSTOP</span><span>銆?/span></p>
<p><span>濡傛灉</span><span>act</span><span>涓?/span><span>NULL</span><span>錛屽垯涓嶆敼鍙樹俊鍙峰姩浣滐紝鍙煡璇㈠綋鍓嶅姩浣溿�?/span></p>
<p><span>鎴愬姛榪斿洖</span><span>0</span><span>錛屽け璐ュ垯涓嶅畨瑁呮柊淇″彿鍔ㄤ綔錛岃繑鍥?/span><span>-1</span><span>錛岃緗?/span><span>errno</span><span>銆?/span></p>
<p><span>struct sigaction{</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>void </span><span>錛?/span><span>*sa_handler</span><span>錛?/span><span>(int);<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>// </span><span>鍚?/span><span>signal</span><span>鐨勭浜屽弬鏁?/span><span>func</span><span>銆?/span><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>void<span> </span>(*sa_sigaction)(int, siginfo_t*, void*); // </span><span>浠呭綋</span><span>flags</span><span>璁劇疆</span><span>SA_SIGINFO</span><span>璧蜂綔鐢ㄣ�?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>sigset_t sa_mask;<span>&nbsp;&nbsp;&nbsp; </span>// </span><span>鎸囨槑淇″彿鎵ц鏈熼棿瑕侀樆濉炵殑涓�緇勪俊鍙鳳紝闄ゆ涔嬪瀵艱嚧淇″彿鍙ユ焺鎵?/span></p>
<p><span>琛岀殑淇″彿涔熻嚜鍔ㄩ樆濉烇紝闄ら潪鎸囧畾浜?/span><span>SA_NODEFER</span><span>銆備俊鍙峰彞鏌勬甯歌繑鍥炴椂錛屽睆钄芥仮澶嶅埌鍘熷厛鐘舵�併�?/span><span><span>&nbsp;&nbsp;&nbsp; </span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>int sa_flags;<span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>// </span></p>
<p><span>}</span><span>錛?/span></p>
<p><span>sa_flags</span><span>鏄竴涓綅涓詫紝鍙互閫氳繃鎴栬繍綆楃敓鎴愩�傚彲璁劇疆涓嬪垪鏍囧織錛?/span></p>
<p><span>SA_NOCLDSTOP: </span><span>鍙</span><span>CHLD</span><span>淇″彿璧蜂綔鐢紝瀛愯繘紼嬫殏鍋滄椂涓嶅彂淇″彿緇欑埗榪涚▼銆?/span></p>
<p><span>SA_RESTART: </span><span>淇″彿鍙ユ焺榪斿洖鏃訛紝鑷姩鎭㈠琚淇″彿涓柇鐨勭郴緇熻皟鐢ㄣ�傚惁鍒欒緋葷粺璋冪敤灝嗕腑鏂繑鍥?/span><span>-1</span><span>錛屽茍璁劇疆</span><span>errno</span><span>涓?/span><span>EINTR</span><span>銆?/span></p>
<p><span>SA_ONSTACK:</span></p>
<p><span>SA_RESETHAND</span><span>錛氫俊鍙峰彞鏌勫叆鍙ｏ紝緋葷粺灝嗛噸緗俊鍙峰姩浣滀負(fù)</span><span>SIG_DFL.</span></p>
<p><span>SA_NODEFER:</span><span>鍙ユ焺鎵ц鏈熼棿錛屼笉鑷姩闃誨璇ヤ俊鍙楓�?/span></p>
<p><span>SA_NOCLDWAIT:</span><span>鍙</span><span>CHLD</span><span>璧蜂綔鐢紝璋冪敤榪涚▼鐨勬墍鏈夊瓙榪涚▼鍦ㄧ粓姝㈡椂涓嶄細(xì)鎴愪負(fù)</span><span>Zombe</span><span>銆傝繖縐嶆儏鍐典笅錛岀埗榪涚▼鏃犻渶瑕?/span><span>wait</span><span>瀛愯繘紼嬶紝騫朵笖瀛愯繘紼嬬粓姝篃涓嶅悜鐖惰繘紼嬪彂</span><span>SIGCHLD</span><span>淇″彿銆?/span></p>
<p><span>濡傛灉鐖惰繘紼嬭皟鐢?/span><span>wait</span><span>錛屽皢闃誨鍒版墍鏈夊瓙榪涚▼緇堟錛屽茍榪斿洖</span><span>-1</span><span>錛?/span><span>errno</span><span>璁句負(fù)</span><span>ECHILD.</span></p>
<p><span>SA_SIGINFO:</span><span>濡傛灉鏈緗鏍囧織錛屽垯淇″彿鍙ユ焺鍘熷瀷涓猴細(xì)</span></p>
<p><span>&nbsp;void func(int signo);</span></p>
<p><span>濡傛灉璁劇疆姝ゆ爣蹇楋紝鍒欏彞鏌勫師鍨嬩負(fù)錛?/span></p>
<p><span>void func(int signo, singinfo_t* info, void* context);</span></p>
<p><span>Info- </span><span>瑙ｉ噴淇″彿鐢熸垚鐨勫師鍥犮�?/span></p>
<p><span>Context-</span><span>淇″彿琚氦浠樻椂鎵�涓柇榪涚▼鐨勪笂涓嬫枃銆?/span></p>
<p><span>涓�鏃︾敤</span><span>sigaction</span><span>涓虹壒瀹氫俊鍙峰緩绔嬩簡鍔ㄤ綔錛岃鍔ㄤ綔灝變竴鐩翠繚鎸侊紝鐩村埌鍙︿竴嬈¤皟鐢?/span><span>sigaction</span><span>錛屾垨鑰呰皟鐢?/span><span>exec</span><span>錛屾垨鑰呭洜璁劇疆浜?/span><span>SA_RESETHAND</span><span>瀵艱嚧緋葷粺鑷姩鏀瑰彉鍔ㄤ綔涓洪粯璁や負(fù)姝€�?/span></p>
<p>&nbsp;</p>
<p><span>闄や簡澶栭儴涓柇浜х敓淇″彿澶栵紝紼嬪簭鍙互鏄懼紡鐨勮皟鐢?/span><span>raise</span><span>鍑芥暟緇欎粬鑷繁鍙戦�佷俊鍙鳳紝鎴栬皟鐢?/span><span>kill</span><span>鍚戣嚜宸辨垨鍏朵粬榪涚▼鍙戦�佷俊鍙楓�?/span></p>
<p>&nbsp;</p>
<p><span>闃誨淇″彿鎰忓懗鐫�淇濇寔璇ヤ俊鍙峰茍鎺ㄨ繜瀹冪殑浜や粯錛屽彲浠ラ槻姝㈢▼搴忎腑鐨勫叧閿唬鐮佽淇″彿涓柇銆?/span></p>
<p><span>淇″彿闆嗘搷浣滐細(xì)</span></p>
<p><span>int sigemptyset(sigset_t* set); // </span><span>娓呯┖淇″彿闆?/span></p>
<p><span>int sigfillset(sigset_t* set);<span>&nbsp;&nbsp; </span>// </span><span>鍖呭惈鎵�鏈変俊鍙烽泦</span></p>
<p><span>sigaddset/sigdelset/sigismember;</span></p>
<p><span>sigprocmask</span><span>鐢ㄦ潵媯�嫻嬫垨鏀瑰彉璋冪敤榪涚▼鐨勪俊鍙峰睆钄姐�?/span></p>
<p><span>int sigprocmask(int how, const sigset_t* set, sigset_t* oset);</span></p>
<p><span>How: SIGBLOCK&nbsp;SIG_UNBLOCK<span>&nbsp;&nbsp; </span>SIG_SETMASK</span></p>
<p><span>濡傛灉璋冪敤</span><span>sigprocmask</span><span>鏀懼紑鏌愪釜淇″彿鑰屽鑷翠換浣曟?zhèn)寕淇″彲偄В闄ら樥d錛屽垯鍑芥暟榪斿洖鍓嶏紝榪欎簺淇″彿涓嚦灝戞湁涓�涓浜や粯銆?/span></p>
<p><span>媯�鏌ユ?zhèn)寕淇″忴P細(xì)</span><span>int sigpending(sigset_t* set);</span></p>
<p><span>絳夊緟淇″彿錛?/span><span>int pause(void); </span></p>
<p><span>鎮(zhèn)寕璋冪敤榪涚▼鐩村埌鏈変竴涓俊鍙峰埌杈俱�備粎褰撳彞鏌勬墽琛屽茍榪斿洖鏃訛紝</span><span>pause</span><span>鍑芥暟鎵嶈繑鍥烇細(xì)姝ゆ椂榪斿洖</span><span>-1</span><span>錛屽茍璁劇疆</span><span>errno</span><span>涓?/span><span>EINTR</span><span>銆傛墍鏈夊叾浠栨儏鍐典笅</span><span>pause</span><span>涓嶈繑鍥炪�?/span></p>
<p>&nbsp;</p>
<p><span>濡傛灉澶氫釜鐩稿悓淇″彿鍦ㄤ俊鍙峰彞鏌勮繍琛屽墠鍙戠粰浜嗚繘紼嬶紝鍒欏彞鏌勫彧琚繍琛屼竴嬈°�傛崲鍙ヨ瘽璇達(dá)紝榛樿鎯呭喌涓?/span><span>unix</span><span>淇″彿鏄潪鎺掗槦鐨勶紝鍙湁褰撳疄鐜版敮鎸佸疄鏃朵俊鍙峰茍涓?/span><span>sa_flags</span><span>璁劇疆</span><span>SA_SIGINFO</span><span>鏃訛紝鐢?/span><span>sigqueue</span><span>鐢熸垚鐨勫悗緇俊鍙鋒墠鎺掗槦銆?/span></p>
<p>&nbsp;</p>
<p><span>I/O</span><span>鎵ц鏈熼棿錛屾湁鍙兘鍒拌揪淇″彿錛屾鏃舵湁涓ょ鎯呭喌錛氶噸鏂板紑濮嬬郴緇熻皟鐢ㄨ繕鏄繑鍥炲け璐?/span><span>.</span></p>
<p><span>鏃╂湡</span><span>unix</span><span>鐗瑰緛涓猴紝榪涚▼鎵ц鎱㈢郴緇熻皟鐢ㄦ湡闂存崟鑾蜂俊鍙鋒椂錛岃璋冪敤琚腑鏂茍璁劇疆</span><span>errno</span><span>涓?/span><span>EINTR</span><span>銆傜幇浠?/span><span>unix</span><span>澧炲姞浜?/span><span>sa_flags</span><span>閫夐」</span><span>SA_RESTART</span><span>鍙鍗曚釜淇″彿瑕佹眰鑷姩鎭㈠琚腑鏂殑緋葷粺璋冪敤銆?/span></p>
<p><span>鍘熷垯濡備笅錛氬鏋滆繘紼嬮樆濉炰簬鎱㈢郴緇熻皟鐢紝騫朵笖榪涚▼鎹曡幏淇″彿涓旇淇″彿鍙ユ焺榪斿洖錛岀郴緇熻皟鐢ㄥ彲鑳借繑鍥?/span><span>EINTR</span><span>銆?/span> <span>铏界劧鏈変簺</span><span>unix</span><span>鑳借嚜鍔ㄦ仮澶嶇郴緇熻皟鐢紝浣嗘槸涓轟簡鍏煎鎬э紝鎴戜滑蹇呴』鍑嗗鎱㈢郴緇熻皟鐢ㄨ繑鍥?/span><span>EINTR</span><span>錛屽綋媯�嫻嬪埌</span><span>EINTR</span><span>錛岃涔堥噸鏂板紑濮嬬郴緇熻皟鐢紝瑕佷箞鍋氬叾浠栧鐞嗐�?/span></p>
<p><span>Again</span><span>錛?/span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>if (n=read(fd,buff, BUFSIZE) &lt; 0) {</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>if (errno ==EINTR)</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>goto Again;</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>else</span></p>
<p><span><span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>&#8230;}</span></p>
<img src ="http://www.shnenglu.com/powervv/aggbug/54934.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/powervv/" target="_blank">powervv</a> 2008-06-30 09:19 <a href="http://www.shnenglu.com/powervv/archive/2008/06/30/54934.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                                                                                                                                         <footer>
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