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添加应用基础第8章_网络通信,第9章_多线程编程
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""){var a,b=c.icon.split("|"),d="http://tongji.baidu.com/hm-web/welcome/ico?s="+c.id;a=(D=="http:"?"http://eiv":"https://bs")+".baidu.com"+b[0]+"."+b[1];switch(b[1]){case "swf":var e=b[2],b=b[3],d="s="+d,f="HolmesIcon"+C;a='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" id="'+f+'" width="'+e+'" height="'+b+'"><param name="movie" value="'+a+'" /><param name="flashvars" value="'+d+'" /><param name="allowscriptaccess" value="always" /><embed type="application/x-shockwave-flash" name="'+
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||||
f+'" width="'+e+'" height="'+b+'" src="'+a+'" flashvars="'+d+'" allowscriptaccess="always" /></object>';break;case "gif":a='<a href="'+d+'" target="_blank"><img border="0" src="'+a+'" width="'+b[2]+'" height="'+b[3]+'"></a>';break;default:a='<a href="'+d+'" target="_blank">'+b[0]+"</a>"}document.write(a)}},B:function(){var a=window.location.hash.substring(1),b=RegExp(c.id),d=document.referrer.indexOf("baidu.com")>-1?g:i;a&&b.test(a)&&d&&(b=document.createElement("script"),b.setAttribute("type","text/javascript"),
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b.setAttribute("charset","utf-8"),b.setAttribute("src",D+"//"+c.js+o(a,"jn")+"."+o(a,"sx")+"?"+this.a.rnd),a=document.getElementsByTagName("script")[0],a.parentNode.insertBefore(b,a))},t:function(a){if(function(a){if(Object.prototype.toString.call(a)!=="[object Array]")return i;for(var b=a.length-1;b>=0;b--){var d=a[b];if(!("[object Number]"==Object.prototype.toString.call(d)&&isFinite(d))&&"[object String]"!=Object.prototype.toString.call(d)&&d!==g&&d!==i)return i}return g}(a)&&!(typeof window._bdhm_account!==
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||||
"undefined"&&window._bdhm_account!==c.id)){var b=function(a){return a.replace?a.replace(/'/g,"'0").replace(/\*/g,"'1").replace(/!/g,"'2"):a};switch(a[0]){case "_trackPageview":if(a.length>1&&a[1].charAt&&a[1].charAt(0)=="/"){this.a.api|=4;this.a.et=0;this.a.ep="";var b=this.a.u,d=this.a.su;this.a.u=D+"//"+window.location.host+a[1];this.a.su=window.location.href;this.c();this.a.u=b;this.a.su=d}break;case "_trackEvent":if(a.length>2)this.a.api|=8,this.a.et="4",this.a.ep=b(a[1])+"*"+b(a[2])+(a[3]?"*"+
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||||
b(a[3]):"")+(a[4]?"*"+b(a[4]):""),this.c();break;case "_setCustomVar":if(a.length<4)break;var d=a[1],e=a[4]||3;if(d>0&&d<6&&e>0&&e<4){this.f++;for(var f=(this.a.cv||"*").split("!"),j=f.length;j<d-1;j++)f.push("*");f[d-1]=e+"*"+b(a[2])+"*"+b(a[3]);this.a.cv=f.join("!");a=this.a.cv.replace(/[^1](\*[^!]*){2}/g,"*").replace(/((^|!)\*)+$/g,"");a!==""?this.setData("Hm_cv_"+c.id,encodeURIComponent(a),c.age):this.H("Hm_cv_"+c.id)}}}},C:function(){var a=g,b=window._hmt;if(b&&b.length){for(var d=0;d<b.length;d++){var e=
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||||
b[d];switch(e[0]){case "_setAccount":if(e.length>1&&/^[0-9a-z]{32}$/.test(e[1]))this.a.api|=1,window._bdhm_account=e[1],e[1]!==c.id&&(a=i);break;case "_setAutoPageview":if(e.length>1&&(e=e[1],i===e||g===e))this.a.api|=2,window._bdhm_autoPageview=e}}if(a)for(d=0;d<b.length;d++)this.t(b[d])}return a},A:function(a){var b=n("Hm_unsent_"+c.id)||"",d=this.a.u?"":"&u="+encodeURIComponent(window.location.href),b=encodeURIComponent(a.replace(/^https?:\/\//,"")+d)+(b?","+b:"");m("Hm_unsent_"+c.id,b)},l:function(a){var b=
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||||
n("Hm_unsent_"+c.id)||"";b&&((b=b.replace(RegExp(encodeURIComponent(a.replace(/^https?:\/\//,"")).replace(/([\*\(\)])/g,"\\$1")+"(%26u%3D[^,]*)?,?","g"),"").replace(/,$/,""))?m("Hm_unsent_"+c.id,b):window.sessionStorage&&window.sessionStorage.removeItem("Hm_unsent_"+c.id))},J:function(){var a=this,b=n("Hm_unsent_"+c.id);if(b)for(var b=b.split(","),d=0,e=b.length;d<e;d++)w(D+"//"+decodeURIComponent(b[d]).replace(/^https?:\/\//,""),function(b){a.l(b)})}};
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F.prototype.n=function(){x(document,"click",H(this));for(var a=c.etrk.length,b=0;b<a;b++){var d=c.etrk[b],e=document.getElementById(d.id);e&&x(e,d.eventType,I(this))}};function I(a){return function(b){(b.target||b.srcElement).setAttribute("HM_fix",b.clientX+":"+b.clientY);a.a.et=1;a.a.ep="{id:"+this.id+",eventType:"+b.type+"}";a.c()}}
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||||
function H(a){return function(b){var d=b.target||b.srcElement,e=d.getAttribute("HM_fix"),f=b.clientX+":"+b.clientY;if(e&&e==f)d.removeAttribute("HM_fix");else if(e=c.etrk.length,e>0){for(f={};d&&d!=document.body;)d.id&&(f[d.id]=""),d=d.parentNode;for(d=0;d<e;d++){var j=c.etrk[d];if(f.hasOwnProperty(j.id))a.a.et=1,a.a.ep="{id:"+j.id+",eventType:"+b.type+"}",a.c()}}}}
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F.prototype.m=function(){var a=this;c.ctrk&&(x(document,"mouseup",J(this)),x(window,"beforeunload",function(){K(a)}),setInterval(function(){K(a)},6E5))};
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||||
function J(a){return function(b){var d,e;q?(e=Math.max(document.documentElement.scrollTop,document.body.scrollTop),d=Math.max(document.documentElement.scrollLeft,document.body.scrollLeft),d=b.clientX+d,e=b.clientY+e):(d=b.pageX,e=b.pageY);var f=window.innerWidth||document.documentElement.clientWidth||document.body.offsetWidth;switch(c.align){case 1:d-=f/2;break;case 2:d-=f}d="{x:"+d+",y:"+e+",";b=b.target||b.srcElement;if(b.tagName.toLowerCase()!="a")a:{for(e="A";(b=b.parentNode)&&b.nodeType==1;)if(b.tagName==
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||||
e)break a;b=h}d+=b?"t:a,u:"+encodeURIComponent(b.href)+"}":"t:b}";b=d;if(""!=b)d=(D+"//hm.baidu.com/hm.gif?"+a.w().replace(/ep=[^&]*/,"ep="+encodeURIComponent("["+b+"]"))).length,d+10>1024||(d+encodeURIComponent(a.b.join(",")+(a.b.length?",":"")).length+10>1024&&K(a),a.b.push(b),(a.b.length>=10||/t:a/.test(b))&&K(a))}}function K(a){if(a.b.length!=0)a.a.et=2,a.a.ep="["+a.b.join(",")+"]",a.c(),a.b=[]}
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||||
function G(){this.g=this.r=(new Date).getTime();this.s=0;typeof document.M=="object"?(x(document,"focusin",L(this)),x(document,"focusout",L(this))):(x(window,"focus",L(this)),x(window,"blur",L(this)))}function L(a){return function(b){if(!(b.target&&b.target!=window)){if(b.type=="blur"||b.type=="focusout")a.s+=(new Date).getTime()-a.g;a.g=(new Date).getTime()}}}new F;})();
|
||||
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/08.网络编程/僵死进程_files/logo-baike.png
Normal file
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/08.网络编程/僵死进程_files/logo-baike.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 1.8 KiB |
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/08.网络编程/僵死进程_files/qiuzhi.png
Normal file
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/08.网络编程/僵死进程_files/qiuzhi.png
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 1.5 KiB |
279
04_嵌入式Linux应用开发基础知识/doc_pic/08.网络编程/僵死进程_files/tmpact.js
Normal file
279
04_嵌入式Linux应用开发基础知识/doc_pic/08.网络编程/僵死进程_files/tmpact.js
Normal file
@@ -0,0 +1,279 @@
|
||||
/*<2A><><EFBFBD><EFBFBD><EFBFBD>ճ<EFBFBD><D5B3><EFBFBD><EEB6AF>ǩ*/
|
||||
//<2F><><EFBFBD>ӵ<EFBFBD>[id='header']<5D><><EFBFBD><EFBFBD>
|
||||
(function(){
|
||||
var show = 1; //<2F>Ƿ<EFBFBD>չʾ<D5B9><CABE>0<EFBFBD>Dz<EFBFBD>չʾ<D5B9><CABE>1<EFBFBD><31>չʾ<D5B9><CABE>2ֻ<32><D6BB><EFBFBD><EFBFBD>ҳչʾ<D5B9><CABE>3ֻ<33>ڴ<EFBFBD><DAB4><EFBFBD>ҳչʾ
|
||||
//<2F><>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><32>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳ<EFBFBD><D2B3>2<EFBFBD><32><EFBFBD>Ǵ<EFBFBD><C7B4><EFBFBD>ҳ<EFBFBD><D2B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>show=1<><31><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB><EFBFBD><EFBFBD>1<EFBFBD><31>չʾ
|
||||
var linkSrc1 = 'http://baike.baidu.com/cms/rc/400x100.png';
|
||||
//var linkSrc1 = 'http://baike.baidu.com/cms/rc/400x100.png';//ͼƬ<CDBC>ĵ<EFBFBD>ַ
|
||||
var linkHref1 = 'http://baike.baidu.com/cms/s/ips/index.html';//ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
var linkText1 = '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Բ';//<2F><><EFBFBD>껬<EFBFBD><EABBAC><EFBFBD><EFBFBD>Ϣ
|
||||
var isLink1 = false; //<2F>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD>true<75>Ļ<EFBFBD>linkHref1<66><31>linkText1<74><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
var isFlash1 = false;
|
||||
var flashSrc1 = 'http://img.baidu.com/img/baike/usercenter/celebration/2012/sleep.swf';
|
||||
var beginDate = '03/21/2012';
|
||||
|
||||
var linkSrc2 = 'http://img.baidu.com/img/baike/wanshengjie.gif';//ͼƬ<CDBC>ĵ<EFBFBD>ַ
|
||||
var linkHref2 = 'http://baike.baidu.com/cms/s/halloween/index.html?ref=cty';//ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
var linkText2 = '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˽<EFBFBD><CBBD><EFBFBD><EFBFBD><EFBFBD>ʥ<EFBFBD><CAA5>';//<2F><><EFBFBD>껬<EFBFBD><EABBAC><EFBFBD><EFBFBD>Ϣ
|
||||
var isLink2 = true;
|
||||
var isFlash2 = false;
|
||||
addSheet('#userbar{z-index:100 !important;} #encourage_tip_wrapper{z-index:19}');
|
||||
|
||||
var wrap = baidu.dom.query('ul.nav.f14')[0];
|
||||
var viewFlag = (document.body.id == 'view');
|
||||
//Ĭ<>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
function defaultSet(src, href, text){
|
||||
//<2F><><EFBFBD>ӵĻ<D3B5><C4BB><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1>238*60
|
||||
var link = document.createElement('a');
|
||||
link.href = href;
|
||||
link.target = '_blank';
|
||||
link.hideFocus = true;
|
||||
link.innerHTML = text;
|
||||
link.onclick = function(){
|
||||
nslog(location.href, 3626);
|
||||
}
|
||||
link.title = text;
|
||||
fixZIndex();
|
||||
//link.style.cssText = 'position:absolute;top:-60px;right:0;width:238px;height:60px;outline:0;font-size:0;text-indent:-999em;background:url('+ src +') no-repeat 0 0;';
|
||||
link.style.cssText = 'position:absolute;top:-100px;right:-46px;width:400px;height:100px;outline:0;font-size:0;text-indent:-999em;background:url('+ src +') no-repeat 0 0';
|
||||
wrap.appendChild(link);
|
||||
if (baidu.browser.ie == 6) {
|
||||
link.style.position = 'relative';
|
||||
link.style.position = 'absolute';
|
||||
}
|
||||
}
|
||||
//flashҳ<68><D2B3>
|
||||
function flashSet(src){
|
||||
var link = document.createElement('div');
|
||||
link.id = 'bk-push';
|
||||
var title = document.title;
|
||||
baidu.swf.create({
|
||||
id:'flash',
|
||||
url:src,
|
||||
width:240,
|
||||
height:60,
|
||||
wmode: 'transparent',
|
||||
allowscriptaccess: 'always'
|
||||
}, link);
|
||||
fixZIndex();
|
||||
link.style.cssText = 'position:absolute;top:-60px;right:0;width:240px;height:60px;';
|
||||
setTimeout(function(){wrap.appendChild(link);},300);
|
||||
if(baidu.browser.ie){
|
||||
try{
|
||||
var timer = null;
|
||||
var count = 0 //<2F><>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD>˻<EFBFBD>ľ<EFBFBD>ı䣬<C4B1><E4A3AC>ֹͣ
|
||||
var totalCount = 600;
|
||||
timer = setInterval(function(){
|
||||
if(count++ > totalCount){
|
||||
clearInterval(timer);
|
||||
return;
|
||||
}
|
||||
var curTitle = document.title;
|
||||
if(curTitle.indexOf('#') != -1 && curTitle != title){
|
||||
clearInterval(timer);
|
||||
document.title = title;
|
||||
}
|
||||
}, 100);
|
||||
} catch (exp){}
|
||||
}
|
||||
}
|
||||
//<2F><><EFBFBD>ص<EFBFBD><D8B5><EFBFBD>ҳ#_$<24><>ֻ<EFBFBD><D6BB>Ҫһ<D2AA><D2BB>ͼƬ<CDBC><C6AC>ַ<EFBFBD><D6B7>
|
||||
function singleSet(src){
|
||||
//<2F><>ͨ<EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1>400*100<30><30>ע<EFBFBD>Ⱒ<EFBFBD><E2B0A2>6/7<>µ<EFBFBD>margin<69><6E><EFBFBD>۵<EFBFBD><DBB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ը߶<D4B8>Ҫ<EFBFBD><D2AA>һЩ
|
||||
var ca = document.createElement('div');
|
||||
fixZIndex();
|
||||
ca.style.cssText = 'position:absolute;top:-100px;right:-46px;width:400px;height:100px;outline:0;font-size:0;text-indent:-999em;background:url('+ src +') no-repeat 0 0;';
|
||||
wrap.appendChild(ca);
|
||||
if (baidu.browser.ie == 6) {
|
||||
ca.style.position = 'relative';
|
||||
ca.style.position = 'absolute';
|
||||
}
|
||||
}
|
||||
|
||||
function fixZIndex(){
|
||||
//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>head<61><64>z-index<65><78>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>#userbar<61><72>#header<65><72><EFBFBD><EFBFBD><EFBFBD>棬Ŀǰ#userbar<61><72>z-index<65><78>10
|
||||
if(!viewFlag){//<2F><>ҳ<EFBFBD><D2B3>viewҳ<77><D2B3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҳֻ<D2B3><D6BB><EFBFBD>ð<EFBFBD>ť<EFBFBD><C5A5>parentNode<64><65><EFBFBD><EFBFBD>
|
||||
var foreground = baidu.dom.query('input[value=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>]')[0];
|
||||
foreground.style.zIndex = 9;
|
||||
foreground.style.position = 'relative';
|
||||
var helpBtn = baidu.dom.next(foreground);
|
||||
helpBtn.style.zIndex = 9;
|
||||
helpBtn.style.position = 'relative';
|
||||
var setBtn = baidu.dom.next(helpBtn);
|
||||
setBtn.style.zIndex = 9;
|
||||
setBtn.style.position = 'relative';
|
||||
}
|
||||
else{
|
||||
var foreground = baidu.dom.query('input[value=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>],input[value=<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>]');
|
||||
foreground[0].style.zIndex = 9;
|
||||
foreground[0].style.position = 'relative';
|
||||
foreground[1].style.zIndex = 9;
|
||||
foreground[1].style.position = 'relative';
|
||||
var help = baidu.g('help');
|
||||
help.style.zIndex = 9;
|
||||
help.style.position = 'relative';
|
||||
}
|
||||
}
|
||||
|
||||
function addSheet(css){
|
||||
if(!-[1,]){
|
||||
css = css.replace(/opacity:\s*(\d?\.\d+)/g,function($,$1){
|
||||
$1 = parseFloat($1) * 100;
|
||||
if($1 < 0 || $1 > 100)
|
||||
return "";
|
||||
return "filter:alpha(opacity="+ $1 +");"
|
||||
});
|
||||
}
|
||||
css += "\n";//<2F><><EFBFBD><EFBFBD>ĩβ<C4A9>Ļ<EFBFBD><C4BB>з<EFBFBD><D0B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>firebug<75>µIJ鿴<C4B2><E9BFB4>
|
||||
var doc = document, head = doc.getElementsByTagName("head")[0],
|
||||
styles = head.getElementsByTagName("style"),style,media;
|
||||
if(styles.length == 0){//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>styleԪ<65><D4AA><EFBFBD><EFBFBD>
|
||||
if(doc.createStyleSheet){ //ie
|
||||
doc.createStyleSheet();
|
||||
}else{
|
||||
style = doc.createElement('style');//w3c
|
||||
style.setAttribute("type", "text/css");
|
||||
head.insertBefore(style,null)
|
||||
}
|
||||
}
|
||||
style = styles[0];
|
||||
media = style.getAttribute("media");
|
||||
if(media === null && !/screen/i.test(media) ){
|
||||
style.setAttribute("media","all");
|
||||
}
|
||||
if(style.styleSheet){ //ie
|
||||
style.styleSheet.cssText += css;//<2F><><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><C2B5>ڲ<EFBFBD><DAB2><EFBFBD>ʽ
|
||||
}else{
|
||||
style.appendChild(doc.createTextNode(css))
|
||||
}
|
||||
}
|
||||
|
||||
function generatePage(src, href, text, isLink, isFlash){
|
||||
/*if(isFlash){
|
||||
flashSet(src);
|
||||
}
|
||||
else{
|
||||
isLink ? defaultSet(src, href, text) : singleSet(src);
|
||||
}*/
|
||||
isLink ? defaultSet(src, href, text) : singleSet(src);
|
||||
}
|
||||
|
||||
if(wrap){
|
||||
if(1 == show){
|
||||
viewFlag ? generatePage(linkSrc2, linkHref2, linkText2, isLink2, isFlash2) : generatePage(linkSrc1, linkHref1, linkText1, isLink1, isFlash1);
|
||||
return;
|
||||
}
|
||||
|
||||
if(2 == show && !viewFlag){
|
||||
/*if(isFlash1 && new Date - Date.parse(beginDate) > 0){
|
||||
flashSet(flashSrc1);
|
||||
return;
|
||||
}*/
|
||||
generatePage(linkSrc1, linkHref1, linkText1, isLink1, isFlash1);
|
||||
return;
|
||||
}
|
||||
|
||||
if(3 == show && viewFlag){
|
||||
generatePage(linkSrc2, linkHref2, linkText2, isLink2, isFlash2);
|
||||
}
|
||||
}
|
||||
})();
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
/*
|
||||
*<2A><><EFBFBD><EFBFBD>ҳ<EFBFBD>Ҳ<EFBFBD>side<64>ƹ<EFBFBD>ͼƬλ
|
||||
*author <20><>tianzixin
|
||||
*Date : 2012-08-16
|
||||
*/
|
||||
(function(){
|
||||
//<2F><>һ<EFBFBD><D2BB>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>
|
||||
var linkSrc1 = 'http://baike.baidu.com/cms/s/banner/bowuguan400x100.jpg';//ͼƬ<CDBC>ĵ<EFBFBD>ַ
|
||||
var linkHref1 = 'http://baike.baidu.com/museum/museumIndex.html?id=208463';//ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
var linkText1 = '<27>й<EFBFBD><D0B9><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD>';//<2F><><EFBFBD>껬<EFBFBD><EABBAC><EFBFBD><EFBFBD>Ϣ
|
||||
var width1 = "0px"; //ͼƬ1<C6AC><31><EFBFBD><EFBFBD>,<2C><><EFBFBD>磺"100px;",<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3>ͼƬ1չʾ<D5B9><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>width1 = "0px"<22><><EFBFBD><EFBFBD><EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD>Ŷ
|
||||
var height1 = "40px"; //ͼƬ1<C6AC>߶<EFBFBD>
|
||||
|
||||
//<2F>ڶ<EFBFBD><DAB6><EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>
|
||||
var linkSrc2 = 'http://baike.baidu.com/cms/s/banner/bowuguan400x100.jpg';//ͼƬ<CDBC>ĵ<EFBFBD>ַ
|
||||
var linkHref2 = 'http://baike.baidu.com/museum/museumIndex.html?id=208463';//ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
var linkText2 = '<27>й<EFBFBD><D0B9><EFBFBD><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD>';//<2F><><EFBFBD>껬<EFBFBD><EABBAC><EFBFBD><EFBFBD>Ϣ
|
||||
var width2 = "0px"; //ͼƬ2<C6AC><32><EFBFBD><EFBFBD>,<2C><><EFBFBD>磺"100px;",<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3>ͼƬ2չʾ<D5B9><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>width2 = "0px"<22><><EFBFBD><EFBFBD><EFBFBD>Ų<EFBFBD><C5B2><EFBFBD><EFBFBD><EFBFBD>Ŷ
|
||||
var height2 = "40px"; //ͼƬ2<C6AC>߶<EFBFBD>
|
||||
|
||||
|
||||
var beginDate = '03/21/2012';
|
||||
addSheet('#userbar{z-index:100 !important;} #encourage_tip_wrapper{z-index:19}');
|
||||
|
||||
var wrap = baidu.dom.g("side");
|
||||
var viewFlag = (document.body.id == 'view');
|
||||
//Ĭ<>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
function defaultSet(src, href, text, width, height){
|
||||
var link = document.createElement('a');
|
||||
link.href = href;
|
||||
link.target = '_blank';
|
||||
link.hideFocus = true;
|
||||
link.innerHTML = text;
|
||||
link.onclick = function(){
|
||||
nslog(location.href, 3626);
|
||||
}
|
||||
link.title = text;
|
||||
link.style.cssText = 'display:block;width:'+width+';height:'+height+';border: 1px solid #CCC;margin:5px 0 5px 0;outline:0;font-size:0;text-indent:-999em;background:url('+ src +') no-repeat 0 0';
|
||||
|
||||
wrap.appendChild(link);
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
function addSheet(css){
|
||||
if(!-[1,]){
|
||||
css = css.replace(/opacity:\s*(\d?\.\d+)/g,function($,$1){
|
||||
$1 = parseFloat($1) * 100;
|
||||
if($1 < 0 || $1 > 100)
|
||||
return "";
|
||||
return "filter:alpha(opacity="+ $1 +");"
|
||||
});
|
||||
}
|
||||
css += "\n";//<2F><><EFBFBD><EFBFBD>ĩβ<C4A9>Ļ<EFBFBD><C4BB>з<EFBFBD><D0B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>firebug<75>µIJ鿴<C4B2><E9BFB4>
|
||||
var doc = document, head = doc.getElementsByTagName("head")[0],
|
||||
styles = head.getElementsByTagName("style"),style,media;
|
||||
if(styles.length == 0){//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>styleԪ<65><D4AA><EFBFBD><EFBFBD>
|
||||
if(doc.createStyleSheet){ //ie
|
||||
doc.createStyleSheet();
|
||||
}else{
|
||||
style = doc.createElement('style');//w3c
|
||||
style.setAttribute("type", "text/css");
|
||||
head.insertBefore(style,null)
|
||||
}
|
||||
}
|
||||
style = styles[0];
|
||||
media = style.getAttribute("media");
|
||||
if(media === null && !/screen/i.test(media) ){
|
||||
style.setAttribute("media","all");
|
||||
}
|
||||
if(style.styleSheet){ //ie
|
||||
style.styleSheet.cssText += css;//<2F><><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><C2B5>ڲ<EFBFBD><DAB2><EFBFBD>ʽ
|
||||
}else{
|
||||
style.appendChild(doc.createTextNode(css))
|
||||
}
|
||||
}
|
||||
|
||||
function generatePage(src, href, text, width, height){
|
||||
defaultSet(src, href, text, width, height);
|
||||
}
|
||||
|
||||
if(viewFlag){
|
||||
if(width1 !== "0px"){
|
||||
generatePage(linkSrc1, linkHref1, linkText1, width1, height1);
|
||||
}
|
||||
if(width2 !== "0px"){
|
||||
generatePage(linkSrc2, linkHref2, linkText2, width2, height2);
|
||||
}
|
||||
}
|
||||
|
||||
})();
|
||||
File diff suppressed because one or more lines are too long
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/08.网络编程/网络编程.jpg
Normal file
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/08.网络编程/网络编程.jpg
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 439 KiB |
Binary file not shown.
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/09.多线程编程/多线程编程.pptx
Normal file
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/09.多线程编程/多线程编程.pptx
Normal file
Binary file not shown.
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/09.多线程编程/多线程编程.tif
Normal file
BIN
04_嵌入式Linux应用开发基础知识/doc_pic/09.多线程编程/多线程编程.tif
Normal file
Binary file not shown.
68
04_嵌入式Linux应用开发基础知识/source/12_socket/tcp/client.c
Normal file
68
04_嵌入式Linux应用开发基础知识/source/12_socket/tcp/client.c
Normal file
@@ -0,0 +1,68 @@
|
||||
#include <sys/types.h> /* See NOTES */
|
||||
#include <sys/socket.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
|
||||
/* socket
|
||||
* connect
|
||||
* send/recv
|
||||
*/
|
||||
|
||||
#define SERVER_PORT 8888
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int iSocketClient;
|
||||
struct sockaddr_in tSocketServerAddr;
|
||||
|
||||
int iRet;
|
||||
unsigned char ucSendBuf[1000];
|
||||
int iSendLen;
|
||||
|
||||
if (argc != 2)
|
||||
{
|
||||
printf("Usage:\n");
|
||||
printf("%s <server_ip>\n", argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
iSocketClient = socket(AF_INET, SOCK_STREAM, 0);
|
||||
|
||||
tSocketServerAddr.sin_family = AF_INET;
|
||||
tSocketServerAddr.sin_port = htons(SERVER_PORT); /* host to net, short */
|
||||
//tSocketServerAddr.sin_addr.s_addr = INADDR_ANY;
|
||||
if (0 == inet_aton(argv[1], &tSocketServerAddr.sin_addr))
|
||||
{
|
||||
printf("invalid server_ip\n");
|
||||
return -1;
|
||||
}
|
||||
memset(tSocketServerAddr.sin_zero, 0, 8);
|
||||
|
||||
|
||||
iRet = connect(iSocketClient, (const struct sockaddr *)&tSocketServerAddr, sizeof(struct sockaddr));
|
||||
if (-1 == iRet)
|
||||
{
|
||||
printf("connect error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
while (1)
|
||||
{
|
||||
if (fgets(ucSendBuf, 999, stdin))
|
||||
{
|
||||
iSendLen = send(iSocketClient, ucSendBuf, strlen(ucSendBuf), 0);
|
||||
if (iSendLen <= 0)
|
||||
{
|
||||
close(iSocketClient);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
98
04_嵌入式Linux应用开发基础知识/source/12_socket/tcp/server.c
Normal file
98
04_嵌入式Linux应用开发基础知识/source/12_socket/tcp/server.c
Normal file
@@ -0,0 +1,98 @@
|
||||
#include <sys/types.h> /* See NOTES */
|
||||
#include <sys/socket.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <signal.h>
|
||||
|
||||
|
||||
/* socket
|
||||
* bind
|
||||
* listen
|
||||
* accept
|
||||
* send/recv
|
||||
*/
|
||||
|
||||
#define SERVER_PORT 8888
|
||||
#define BACKLOG 10
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int iSocketServer;
|
||||
int iSocketClient;
|
||||
struct sockaddr_in tSocketServerAddr;
|
||||
struct sockaddr_in tSocketClientAddr;
|
||||
int iRet;
|
||||
int iAddrLen;
|
||||
|
||||
int iRecvLen;
|
||||
unsigned char ucRecvBuf[1000];
|
||||
|
||||
int iClientNum = -1;
|
||||
|
||||
signal(SIGCHLD,SIG_IGN);
|
||||
|
||||
iSocketServer = socket(AF_INET, SOCK_STREAM, 0);
|
||||
if (-1 == iSocketServer)
|
||||
{
|
||||
printf("socket error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
tSocketServerAddr.sin_family = AF_INET;
|
||||
tSocketServerAddr.sin_port = htons(SERVER_PORT); /* host to net, short */
|
||||
tSocketServerAddr.sin_addr.s_addr = INADDR_ANY;
|
||||
memset(tSocketServerAddr.sin_zero, 0, 8);
|
||||
|
||||
iRet = bind(iSocketServer, (const struct sockaddr *)&tSocketServerAddr, sizeof(struct sockaddr));
|
||||
if (-1 == iRet)
|
||||
{
|
||||
printf("bind error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
iRet = listen(iSocketServer, BACKLOG);
|
||||
if (-1 == iRet)
|
||||
{
|
||||
printf("listen error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
while (1)
|
||||
{
|
||||
iAddrLen = sizeof(struct sockaddr);
|
||||
iSocketClient = accept(iSocketServer, (struct sockaddr *)&tSocketClientAddr, &iAddrLen);
|
||||
if (-1 != iSocketClient)
|
||||
{
|
||||
iClientNum++;
|
||||
printf("Get connect from client %d : %s\n", iClientNum, inet_ntoa(tSocketClientAddr.sin_addr));
|
||||
if (!fork())
|
||||
{
|
||||
/* <20>ӽ<EFBFBD><D3BD>̵<EFBFBD>Դ<EFBFBD><D4B4> */
|
||||
while (1)
|
||||
{
|
||||
/* <20><><EFBFBD>տͻ<D5BF><CDBB>˷<EFBFBD><CBB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݲ<EFBFBD><DDB2><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD> */
|
||||
iRecvLen = recv(iSocketClient, ucRecvBuf, 999, 0);
|
||||
if (iRecvLen <= 0)
|
||||
{
|
||||
close(iSocketClient);
|
||||
return -1;
|
||||
}
|
||||
else
|
||||
{
|
||||
ucRecvBuf[iRecvLen] = '\0';
|
||||
printf("Get Msg From Client %d: %s\n", iClientNum, ucRecvBuf);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
close(iSocketServer);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
68
04_嵌入式Linux应用开发基础知识/source/12_socket/udp/client.c
Normal file
68
04_嵌入式Linux应用开发基础知识/source/12_socket/udp/client.c
Normal file
@@ -0,0 +1,68 @@
|
||||
#include <sys/types.h> /* See NOTES */
|
||||
#include <sys/socket.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
|
||||
/* socket
|
||||
* connect
|
||||
* send/recv
|
||||
*/
|
||||
|
||||
#define SERVER_PORT 8888
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int iSocketClient;
|
||||
struct sockaddr_in tSocketServerAddr;
|
||||
|
||||
int iRet;
|
||||
unsigned char ucSendBuf[1000];
|
||||
int iSendLen;
|
||||
|
||||
if (argc != 2)
|
||||
{
|
||||
printf("Usage:\n");
|
||||
printf("%s <server_ip>\n", argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
iSocketClient = socket(AF_INET, SOCK_DGRAM, 0);
|
||||
|
||||
tSocketServerAddr.sin_family = AF_INET;
|
||||
tSocketServerAddr.sin_port = htons(SERVER_PORT); /* host to net, short */
|
||||
//tSocketServerAddr.sin_addr.s_addr = INADDR_ANY;
|
||||
if (0 == inet_aton(argv[1], &tSocketServerAddr.sin_addr))
|
||||
{
|
||||
printf("invalid server_ip\n");
|
||||
return -1;
|
||||
}
|
||||
memset(tSocketServerAddr.sin_zero, 0, 8);
|
||||
|
||||
|
||||
iRet = connect(iSocketClient, (const struct sockaddr *)&tSocketServerAddr, sizeof(struct sockaddr));
|
||||
if (-1 == iRet)
|
||||
{
|
||||
printf("connect error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
while (1)
|
||||
{
|
||||
if (fgets(ucSendBuf, 999, stdin))
|
||||
{
|
||||
iSendLen = send(iSocketClient, ucSendBuf, strlen(ucSendBuf), 0);
|
||||
if (iSendLen <= 0)
|
||||
{
|
||||
close(iSocketClient);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
68
04_嵌入式Linux应用开发基础知识/source/12_socket/udp/server.c
Normal file
68
04_嵌入式Linux应用开发基础知识/source/12_socket/udp/server.c
Normal file
@@ -0,0 +1,68 @@
|
||||
#include <sys/types.h> /* See NOTES */
|
||||
#include <sys/socket.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <signal.h>
|
||||
|
||||
|
||||
/* socket
|
||||
* bind
|
||||
* sendto/recvfrom
|
||||
*/
|
||||
|
||||
#define SERVER_PORT 8888
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int iSocketServer;
|
||||
int iSocketClient;
|
||||
struct sockaddr_in tSocketServerAddr;
|
||||
struct sockaddr_in tSocketClientAddr;
|
||||
int iRet;
|
||||
int iAddrLen;
|
||||
|
||||
int iRecvLen;
|
||||
unsigned char ucRecvBuf[1000];
|
||||
|
||||
int iClientNum = -1;
|
||||
|
||||
iSocketServer = socket(AF_INET, SOCK_DGRAM, 0);
|
||||
if (-1 == iSocketServer)
|
||||
{
|
||||
printf("socket error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
tSocketServerAddr.sin_family = AF_INET;
|
||||
tSocketServerAddr.sin_port = htons(SERVER_PORT); /* host to net, short */
|
||||
tSocketServerAddr.sin_addr.s_addr = INADDR_ANY;
|
||||
memset(tSocketServerAddr.sin_zero, 0, 8);
|
||||
|
||||
iRet = bind(iSocketServer, (const struct sockaddr *)&tSocketServerAddr, sizeof(struct sockaddr));
|
||||
if (-1 == iRet)
|
||||
{
|
||||
printf("bind error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
while (1)
|
||||
{
|
||||
iAddrLen = sizeof(struct sockaddr);
|
||||
iRecvLen = recvfrom(iSocketServer, ucRecvBuf, 999, 0, (struct sockaddr *)&tSocketClientAddr, &iAddrLen);
|
||||
if (iRecvLen > 0)
|
||||
{
|
||||
ucRecvBuf[iRecvLen] = '\0';
|
||||
printf("Get Msg From %s : %s\n", inet_ntoa(tSocketClientAddr.sin_addr), ucRecvBuf);
|
||||
}
|
||||
}
|
||||
|
||||
close(iSocketServer);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
77
04_嵌入式Linux应用开发基础知识/source/12_socket/udp2/client.c
Normal file
77
04_嵌入式Linux应用开发基础知识/source/12_socket/udp2/client.c
Normal file
@@ -0,0 +1,77 @@
|
||||
#include <sys/types.h> /* See NOTES */
|
||||
#include <sys/socket.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
|
||||
/* socket
|
||||
* connect
|
||||
* send/recv
|
||||
*/
|
||||
|
||||
#define SERVER_PORT 8888
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int iSocketClient;
|
||||
struct sockaddr_in tSocketServerAddr;
|
||||
|
||||
int iRet;
|
||||
unsigned char ucSendBuf[1000];
|
||||
int iSendLen;
|
||||
int iAddrLen;
|
||||
|
||||
if (argc != 2)
|
||||
{
|
||||
printf("Usage:\n");
|
||||
printf("%s <server_ip>\n", argv[0]);
|
||||
return -1;
|
||||
}
|
||||
|
||||
iSocketClient = socket(AF_INET, SOCK_DGRAM, 0);
|
||||
|
||||
tSocketServerAddr.sin_family = AF_INET;
|
||||
tSocketServerAddr.sin_port = htons(SERVER_PORT); /* host to net, short */
|
||||
//tSocketServerAddr.sin_addr.s_addr = INADDR_ANY;
|
||||
if (0 == inet_aton(argv[1], &tSocketServerAddr.sin_addr))
|
||||
{
|
||||
printf("invalid server_ip\n");
|
||||
return -1;
|
||||
}
|
||||
memset(tSocketServerAddr.sin_zero, 0, 8);
|
||||
|
||||
#if 0
|
||||
iRet = connect(iSocketClient, (const struct sockaddr *)&tSocketServerAddr, sizeof(struct sockaddr));
|
||||
if (-1 == iRet)
|
||||
{
|
||||
printf("connect error!\n");
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
while (1)
|
||||
{
|
||||
if (fgets(ucSendBuf, 999, stdin))
|
||||
{
|
||||
#if 0
|
||||
iSendLen = send(iSocketClient, ucSendBuf, strlen(ucSendBuf), 0);
|
||||
#else
|
||||
iAddrLen = sizeof(struct sockaddr);
|
||||
iSendLen = sendto(iSocketClient, ucSendBuf, strlen(ucSendBuf), 0,
|
||||
(const struct sockaddr *)&tSocketServerAddr, iAddrLen);
|
||||
|
||||
#endif
|
||||
if (iSendLen <= 0)
|
||||
{
|
||||
close(iSocketClient);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
68
04_嵌入式Linux应用开发基础知识/source/12_socket/udp2/server.c
Normal file
68
04_嵌入式Linux应用开发基础知识/source/12_socket/udp2/server.c
Normal file
@@ -0,0 +1,68 @@
|
||||
#include <sys/types.h> /* See NOTES */
|
||||
#include <sys/socket.h>
|
||||
#include <string.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <signal.h>
|
||||
|
||||
|
||||
/* socket
|
||||
* bind
|
||||
* sendto/recvfrom
|
||||
*/
|
||||
|
||||
#define SERVER_PORT 8888
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
int iSocketServer;
|
||||
int iSocketClient;
|
||||
struct sockaddr_in tSocketServerAddr;
|
||||
struct sockaddr_in tSocketClientAddr;
|
||||
int iRet;
|
||||
int iAddrLen;
|
||||
|
||||
int iRecvLen;
|
||||
unsigned char ucRecvBuf[1000];
|
||||
|
||||
int iClientNum = -1;
|
||||
|
||||
iSocketServer = socket(AF_INET, SOCK_DGRAM, 0);
|
||||
if (-1 == iSocketServer)
|
||||
{
|
||||
printf("socket error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
tSocketServerAddr.sin_family = AF_INET;
|
||||
tSocketServerAddr.sin_port = htons(SERVER_PORT); /* host to net, short */
|
||||
tSocketServerAddr.sin_addr.s_addr = INADDR_ANY;
|
||||
memset(tSocketServerAddr.sin_zero, 0, 8);
|
||||
|
||||
iRet = bind(iSocketServer, (const struct sockaddr *)&tSocketServerAddr, sizeof(struct sockaddr));
|
||||
if (-1 == iRet)
|
||||
{
|
||||
printf("bind error!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
while (1)
|
||||
{
|
||||
iAddrLen = sizeof(struct sockaddr);
|
||||
iRecvLen = recvfrom(iSocketServer, ucRecvBuf, 999, 0, (struct sockaddr *)&tSocketClientAddr, &iAddrLen);
|
||||
if (iRecvLen > 0)
|
||||
{
|
||||
ucRecvBuf[iRecvLen] = '\0';
|
||||
printf("Get Msg From %s : %s\n", inet_ntoa(tSocketClientAddr.sin_addr), ucRecvBuf);
|
||||
}
|
||||
}
|
||||
|
||||
close(iSocketServer);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
@@ -0,0 +1,9 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
pthread_t tid = pthread_self();
|
||||
printf("tid = %lu\n",(unsigned long)tid);
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,58 @@
|
||||
#define _GNU_SOURCE
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
pthread_mutex_t mutex;
|
||||
|
||||
int Num = 0;
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
pthread_mutex_lock(&mutex);
|
||||
while(Num < 3){
|
||||
Num++;
|
||||
printf("%s:Num = %d\n",__FUNCTION__,Num);
|
||||
sleep(1);
|
||||
}
|
||||
pthread_mutex_unlock(&mutex);
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
void *fun2(void *arg)
|
||||
{
|
||||
pthread_mutex_lock(&mutex);
|
||||
while(Num > -3){
|
||||
Num--;
|
||||
printf("%s:Num = %d\n",__FUNCTION__,Num);
|
||||
sleep(1);
|
||||
}
|
||||
pthread_mutex_unlock(&mutex);
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
int ret;
|
||||
pthread_t tid1,tid2;
|
||||
ret = pthread_mutex_init(&mutex,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_mutex_init");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid1,NULL,fun1,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid2,NULL,fun2,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
pthread_join(tid1,NULL);
|
||||
pthread_join(tid2,NULL);
|
||||
pthread_mutex_destroy(&mutex);
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,48 @@
|
||||
#define _GNU_SOURCE
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
printf("%s:Pthread Come!\n",__FUNCTION__);
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
void *fun2(void *arg)
|
||||
{
|
||||
printf("%s:Pthread Come!\n",__FUNCTION__);
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
void *fun3(void *arg)
|
||||
{
|
||||
printf("%s:Pthread Come!\n",__FUNCTION__);
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
int ret;
|
||||
pthread_t tid1,tid2,tid3;
|
||||
ret = pthread_create(&tid1,NULL,fun1,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid2,NULL,fun2,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid3,NULL,fun3,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
pthread_join(tid1,NULL);
|
||||
pthread_join(tid2,NULL);
|
||||
pthread_join(tid3,NULL);
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,79 @@
|
||||
#define _GNU_SOURCE
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
#include <semaphore.h>
|
||||
|
||||
sem_t sem1,sem2,sem3;//申请的三个信号量变量
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
sem_wait(&sem1);//因sem1本身有资源，所以不被阻塞 获取后sem1-1 下次会会阻塞
|
||||
printf("%s:Pthread Come!\n",__FUNCTION__);
|
||||
sem_post(&sem2);// 使得sem2获取到资源
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
void *fun2(void *arg)
|
||||
{
|
||||
sem_wait(&sem2);//因sem2在初始化时无资源会被阻塞，直至14行代码执行 不被阻塞 sem2-1 下次会阻塞
|
||||
printf("%s:Pthread Come!\n",__FUNCTION__);
|
||||
sem_post(&sem3);// 使得sem3获取到资源
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
void *fun3(void *arg)
|
||||
{
|
||||
sem_wait(&sem3);//因sem3在初始化时无资源会被阻塞，直至22行代码执行 不被阻塞 sem3-1 下次会阻塞
|
||||
printf("%s:Pthread Come!\n",__FUNCTION__);
|
||||
sem_post(&sem1);// 使得sem1获取到资源
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
int ret;
|
||||
pthread_t tid1,tid2,tid3;
|
||||
ret = sem_init(&sem1,0,1); //初始化信号量1 并且赋予其资源
|
||||
if(ret < 0){
|
||||
perror("sem_init");
|
||||
return -1;
|
||||
}
|
||||
ret = sem_init(&sem2,0,0); //初始化信号量2 让其阻塞
|
||||
if(ret < 0){
|
||||
perror("sem_init");
|
||||
return -1;
|
||||
}
|
||||
ret = sem_init(&sem3,0,0); //初始化信号3 让其阻塞
|
||||
if(ret < 0){
|
||||
perror("sem_init");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid1,NULL,fun1,NULL);//创建线程1
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid2,NULL,fun2,NULL);//创建线程2
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid3,NULL,fun3,NULL);//创建线程3
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
/*回收线程资源*/
|
||||
pthread_join(tid1,NULL);
|
||||
pthread_join(tid2,NULL);
|
||||
pthread_join(tid3,NULL);
|
||||
|
||||
/*销毁信号量*/
|
||||
sem_destroy(&sem1);
|
||||
sem_destroy(&sem2);
|
||||
sem_destroy(&sem3);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,28 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
void *fun(void *arg)
|
||||
{
|
||||
printf("pthread_New = %lu\n",(unsigned long)pthread_self());
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
|
||||
pthread_t tid1;
|
||||
int ret = pthread_create(&tid1,NULL,fun,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*tid_main 为通过pthread_self获取的线程ID，tid_new通过执行pthread_create成功后tid指向的空间*/
|
||||
printf("tid_main = %lu tid_new = %lu \n",(unsigned long)pthread_self(),(unsigned long)tid1);
|
||||
|
||||
/*因线程执行顺序随机，不加sleep可能导致猪线程先执行，导致进程结束，无法执行到子线程*/
|
||||
sleep(1);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,34 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
printf("%s:arg = %d Addr = %p\n",__FUNCTION__,*(int *)arg,arg);
|
||||
}
|
||||
|
||||
void *fun2(void *arg)
|
||||
{
|
||||
printf("%s:arg = %d Addr = %p\n",__FUNCTION__,(int)(long)arg,arg);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
|
||||
pthread_t tid1,tid2;
|
||||
int a = 50;
|
||||
int ret = pthread_create(&tid1,NULL,fun1,(void *)&a);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid2,NULL,fun2,(void *)(long)a);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
sleep(1);
|
||||
printf("%s:a = %d Add = %p \n",__FUNCTION__,a,&a);
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,46 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
while(1){
|
||||
|
||||
printf("%s:arg = %d Addr = %p\n",__FUNCTION__,*(int *)arg,arg);
|
||||
sleep(1);
|
||||
}
|
||||
}
|
||||
|
||||
void *fun2(void *arg)
|
||||
{
|
||||
while(1){
|
||||
|
||||
printf("%s:arg = %d Addr = %p\n",__FUNCTION__,(int)(long)arg,arg);
|
||||
sleep(1);
|
||||
}
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
|
||||
pthread_t tid1,tid2;
|
||||
int a = 50;
|
||||
int ret = pthread_create(&tid1,NULL,fun1,(void *)&a);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
sleep(1);
|
||||
ret = pthread_create(&tid2,NULL,fun2,(void *)(long)a);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
while(1){
|
||||
a++;
|
||||
sleep(1);
|
||||
printf("%s:a = %d Add = %p \n",__FUNCTION__,a,&a);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,37 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
|
||||
struct Stu{
|
||||
int Id;
|
||||
char Name[32];
|
||||
float Mark;
|
||||
};
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
struct Stu *tmp = (struct Stu *)arg;
|
||||
printf("%s:Id = %d Name = %s Mark = %.2f\n",__FUNCTION__,tmp->Id,tmp->Name,tmp->Mark);
|
||||
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
|
||||
pthread_t tid1,tid2;
|
||||
struct Stu stu;
|
||||
stu.Id = 10000;
|
||||
strcpy(stu.Name,"ZhangSan");
|
||||
stu.Mark = 94.6;
|
||||
|
||||
int ret = pthread_create(&tid1,NULL,fun1,(void *)&stu);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
printf("%s:Id = %d Name = %s Mark = %.2f\n",__FUNCTION__,stu.Id,stu.Name,stu.Mark);
|
||||
sleep(1);
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,31 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
static int tmp = 0;//必须要static修饰，否则pthread_join无法获取到正确值
|
||||
//int tmp = 0;
|
||||
tmp = *(int *)arg;
|
||||
tmp+=100;
|
||||
printf("%s:Addr = %p tmp = %d\n",__FUNCTION__,&tmp,tmp);
|
||||
pthread_exit((void *)&tmp);
|
||||
}
|
||||
|
||||
|
||||
int main()
|
||||
{
|
||||
|
||||
pthread_t tid1;
|
||||
int a = 50;
|
||||
void *Tmp = NULL;
|
||||
int ret = pthread_create(&tid1,NULL,fun1,(void *)&a);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
pthread_join(tid1,&Tmp);
|
||||
printf("%s:Addr = %p Val = %d\n",__FUNCTION__,Tmp,*(int *)Tmp);
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,36 @@
|
||||
#define _GNU_SOURCE
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
void *fun(void *arg)
|
||||
{
|
||||
printf("Pthread:%d Come !\n",(int )(long)arg+1);
|
||||
pthread_exit(arg);
|
||||
}
|
||||
|
||||
|
||||
int main()
|
||||
{
|
||||
int ret,i,flag = 0;
|
||||
void *Tmp = NULL;
|
||||
pthread_t tid[3];
|
||||
for(i = 0;i < 3;i++){
|
||||
ret = pthread_create(&tid[i],NULL,fun,(void *)(long)i);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
while(1){
|
||||
for(i = 0;i <3;i++){
|
||||
if(pthread_tryjoin_np(tid[i],&Tmp) == 0){
|
||||
printf("Pthread : %d exit !\n",(int )(long )Tmp+1);
|
||||
flag++;
|
||||
}
|
||||
}
|
||||
if(flag >= 3) break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,48 @@
|
||||
#define _GNU_SOURCE
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
printf("Pthread:1 come!\n");
|
||||
while(1){
|
||||
sleep(1);
|
||||
}
|
||||
}
|
||||
|
||||
void *fun2(void *arg)
|
||||
{
|
||||
printf("Pthread:2 come!\n");
|
||||
pthread_cancel((pthread_t )(long)arg);
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
int ret,i,flag = 0;
|
||||
void *Tmp = NULL;
|
||||
pthread_t tid[2];
|
||||
ret = pthread_create(&tid[0],NULL,fun1,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
sleep(1);
|
||||
ret = pthread_create(&tid[1],NULL,fun2,(void *)tid[0]);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
while(1){
|
||||
for(i = 0;i <2;i++){
|
||||
if(pthread_tryjoin_np(tid[i],NULL) == 0){
|
||||
printf("Pthread : %d exit !\n",i+1);
|
||||
flag++;
|
||||
}
|
||||
}
|
||||
if(flag >= 2) break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
@@ -0,0 +1,47 @@
|
||||
#define _GNU_SOURCE
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <errno.h>
|
||||
|
||||
|
||||
int Num = 0;
|
||||
|
||||
void *fun1(void *arg)
|
||||
{
|
||||
while(Num < 3){
|
||||
Num++;
|
||||
printf("%s:Num = %d\n",__FUNCTION__,Num);
|
||||
sleep(1);
|
||||
}
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
void *fun2(void *arg)
|
||||
{
|
||||
while(Num > -3){
|
||||
Num--;
|
||||
printf("%s:Num = %d\n",__FUNCTION__,Num);
|
||||
sleep(1);
|
||||
}
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
int ret;
|
||||
pthread_t tid1,tid2;
|
||||
ret = pthread_create(&tid1,NULL,fun1,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
ret = pthread_create(&tid2,NULL,fun2,NULL);
|
||||
if(ret != 0){
|
||||
perror("pthread_create");
|
||||
return -1;
|
||||
}
|
||||
pthread_join(tid1,NULL);
|
||||
pthread_join(tid2,NULL);
|
||||
return 0;
|
||||
}
|
||||
36
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread1.c
Normal file
36
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread1.c
Normal file
@@ -0,0 +1,36 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
|
||||
static void *my_thread_func (void *data)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
sleep(1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
pthread_t tid;
|
||||
int ret;
|
||||
|
||||
/* 1. 创建"接收线程" */
|
||||
ret = pthread_create(&tid, NULL, my_thread_func, NULL);
|
||||
if (ret)
|
||||
{
|
||||
printf("pthread_create err!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/* 2. 主线程读取标准输入, 发给"接收线程" */
|
||||
while (1)
|
||||
{
|
||||
sleep(1);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
48
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread2.c
Normal file
48
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread2.c
Normal file
@@ -0,0 +1,48 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
|
||||
static char g_buf[1000];
|
||||
static int g_hasData = 0;
|
||||
static void *my_thread_func (void *data)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
//sleep(1);
|
||||
/* 等待通知 */
|
||||
while (g_hasData == 0);
|
||||
|
||||
/* 打印 */
|
||||
printf("recv: %s\n", g_buf);
|
||||
g_hasData = 0;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
pthread_t tid;
|
||||
int ret;
|
||||
|
||||
/* 1. 创建"接收线程" */
|
||||
ret = pthread_create(&tid, NULL, my_thread_func, NULL);
|
||||
if (ret)
|
||||
{
|
||||
printf("pthread_create err!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/* 2. 主线程读取标准输入, 发给"接收线程" */
|
||||
while (1)
|
||||
{
|
||||
fgets(g_buf, 1000, stdin);
|
||||
|
||||
/* 通知接收线程 */
|
||||
g_hasData = 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
51
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread3.c
Normal file
51
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread3.c
Normal file
@@ -0,0 +1,51 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <semaphore.h>
|
||||
|
||||
static char g_buf[1000];
|
||||
static sem_t g_sem;
|
||||
static void *my_thread_func (void *data)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
//sleep(1);
|
||||
/* 等待通知 */
|
||||
//while (g_hasData == 0);
|
||||
sem_wait(&g_sem);
|
||||
|
||||
/* 打印 */
|
||||
printf("recv: %s\n", g_buf);
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
pthread_t tid;
|
||||
int ret;
|
||||
|
||||
sem_init(&g_sem, 0, 0);
|
||||
|
||||
/* 1. 创建"接收线程" */
|
||||
ret = pthread_create(&tid, NULL, my_thread_func, NULL);
|
||||
if (ret)
|
||||
{
|
||||
printf("pthread_create err!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/* 2. 主线程读取标准输入, 发给"接收线程" */
|
||||
while (1)
|
||||
{
|
||||
fgets(g_buf, 1000, stdin);
|
||||
|
||||
/* 通知接收线程 */
|
||||
sem_post(&g_sem);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
60
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread4.c
Normal file
60
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread4.c
Normal file
@@ -0,0 +1,60 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <semaphore.h>
|
||||
#include <string.h>
|
||||
|
||||
static char g_buf[1000];
|
||||
static sem_t g_sem;
|
||||
static pthread_mutex_t g_tMutex = PTHREAD_MUTEX_INITIALIZER;
|
||||
|
||||
static void *my_thread_func (void *data)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
//sleep(1);
|
||||
/* 等待通知 */
|
||||
//while (g_hasData == 0);
|
||||
sem_wait(&g_sem);
|
||||
|
||||
/* 打印 */
|
||||
pthread_mutex_lock(&g_tMutex);
|
||||
printf("recv: %s\n", g_buf);
|
||||
pthread_mutex_unlock(&g_tMutex);
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
pthread_t tid;
|
||||
int ret;
|
||||
char buf[1000];
|
||||
|
||||
sem_init(&g_sem, 0, 0);
|
||||
|
||||
/* 1. 创建"接收线程" */
|
||||
ret = pthread_create(&tid, NULL, my_thread_func, NULL);
|
||||
if (ret)
|
||||
{
|
||||
printf("pthread_create err!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/* 2. 主线程读取标准输入, 发给"接收线程" */
|
||||
while (1)
|
||||
{
|
||||
fgets(buf, 1000, stdin);
|
||||
pthread_mutex_lock(&g_tMutex);
|
||||
memcpy(g_buf, buf, 1000);
|
||||
pthread_mutex_unlock(&g_tMutex);
|
||||
|
||||
/* 通知接收线程 */
|
||||
sem_post(&g_sem);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
56
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread5.c
Normal file
56
04_嵌入式Linux应用开发基础知识/source/13_thread/02_视频配套源码/pthread5.c
Normal file
@@ -0,0 +1,56 @@
|
||||
#include <pthread.h>
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <semaphore.h>
|
||||
#include <string.h>
|
||||
|
||||
static char g_buf[1000];
|
||||
static pthread_mutex_t g_tMutex = PTHREAD_MUTEX_INITIALIZER;
|
||||
static pthread_cond_t g_tConVar = PTHREAD_COND_INITIALIZER;
|
||||
|
||||
static void *my_thread_func (void *data)
|
||||
{
|
||||
while (1)
|
||||
{
|
||||
//sleep(1);
|
||||
/* 等待通知 */
|
||||
//while (g_hasData == 0);
|
||||
pthread_mutex_lock(&g_tMutex);
|
||||
pthread_cond_wait(&g_tConVar, &g_tMutex);
|
||||
|
||||
/* 打印 */
|
||||
printf("recv: %s\n", g_buf);
|
||||
pthread_mutex_unlock(&g_tMutex);
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
pthread_t tid;
|
||||
int ret;
|
||||
char buf[1000];
|
||||
|
||||
/* 1. 创建"接收线程" */
|
||||
ret = pthread_create(&tid, NULL, my_thread_func, NULL);
|
||||
if (ret)
|
||||
{
|
||||
printf("pthread_create err!\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
/* 2. 主线程读取标准输入, 发给"接收线程" */
|
||||
while (1)
|
||||
{
|
||||
fgets(buf, 1000, stdin);
|
||||
pthread_mutex_lock(&g_tMutex);
|
||||
memcpy(g_buf, buf, 1000);
|
||||
pthread_cond_signal(&g_tConVar); /* 通知接收线程 */
|
||||
pthread_mutex_unlock(&g_tMutex);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
Binary file not shown.
Reference in New Issue
Block a user