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CREDITBilk 说:
2018年10月06日 14:12

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CARBilk 说:
2018年10月06日 13:48

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CARBilk 说:
2018年10月06日 11:51

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2018年9月10日 09:53

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2018年9月05日 17:38

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steven 说:
2016年2月01日 17:10

res = evsel->dispatch(base, tv_p);

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steven 说:
2016年2月01日 16:42

libevent event loop:
https://github.com/nmathewson/Libevent/blob/8d34302956001110643346447bbe926924e14d3f/event.c

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steven 说:
2016年2月01日 06:26

jos irq handle:
fill handle func in env->irx[] and set trap pointer = env->irx
https://github.com/stevenberge/jos/blob/808cf08271e47ffd13d086b1b9f8349dfe29e117/kern/trap.c

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steven 说:
2016年1月28日 06:25

swoole框架的关键解剖,
php实现守护进程和多线程,epoll文件描述符数组,请求队列,多线程或事件驱动回调函数,实现异步非阻塞的长连接。

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steven 说:
2016年1月25日 17:27

可能的dump:
内存相关~
内存不足,new出现exception
空指针,
野指针
内存泄露吃光内存 如中途异常导致释放内存析构操作跳过,
构造中异常的对象不能执行析构函数,导致资源泄露,需要在catch中手工执行和析构相似的释放资源操作
数组越界

逻辑错误~
如操作了错误的变量
调用到了错误的函数
函数本身错误
对象切割
死循环
在未初始化或失败的内存对象上调用函数。检查对象。
在未就绪或失败的资源上操作。 检查资源。
不合理的逻辑造成io阻塞或运行不能完成。
堆栈解开途中析构又触发异常并且传递到析构之外p42

多线程相关~
多线程触发冲突exception,
死锁

操作系统相关~
资源不足,如磁盘满
设备故障
蓝屏

隐藏在new操作符和delete操作符后面的:
operator new or ~[] which can override
placement new on share mem

隐藏在构造函数后的
隐式类型转换带来逻辑错误 explicit避免

静态类型,动态类型,rtti运行时类型检查
拷贝构造总调用参数静态类型,因此抛异常一定要防止拷贝改变真实类型
传值异常有两次拷贝,一次类似return,一次老到值

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steven 说:
2016年1月25日 06:32

spin lock:
http://www.csdn123.com/html/blogs/20130509/11141.htm

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steven 说:
2016年1月25日 05:45

kernel source code:
http://lxr.free-electrons.com/source/mm/memory.c?v=2.0.40

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steven 说:
2016年1月25日 05:44

Kernel map:
http://www.makelinux.net/kernel_map/

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steven 说:
2016年1月25日 05:43

linux kernel:
http://en.tldp.org/LDP/tlk/tlk.html

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steven 说:
2016年1月17日 20:12

推送:
服务端是如何主动推送信息到客户端的? - 回答作者:朱佳顺 http://zhihu.com/question/24938934/answer/29567191?utm_campaign=webshare&amp;utm_source=weibo&amp;utm_medium=zhihu

知乎的 comet 实现机制是怎样的? - 回答作者:孙竟 http://zhihu.com/question/19638389/answer/15985192?utm_campaign=webshare&amp;utm_source=weibo&amp;utm_medium=zhihu

几种服务器向客户端推送的各种方案的利弊是什么? - 回答作者:黄良懿 http://zhihu.com/question/20158392/answer/18295400?utm_campaign=webshare&amp;utm_source=weibo&amp;utm_medium=zhihu

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steven 说:
2016年1月17日 20:11

推送:
服务端是如何主动推送信息到客户端的? - 回答作者:朱佳顺 http://zhihu.com/question/24938934/answer/29567191?utm_campaign=webshare&amp;utm_source=weibo&amp;utm_medium=zhihu
知乎的 comet 实现机制是怎样的? - 回答作者:孙竟 http://zhihu.com/question/19638389/answer/15985192?utm_campaign=webshare&amp;utm_source=weibo&amp;utm_medium=zhihu
几种服务器向客户端推送的各种方案的利弊是什么? - 回答作者:黄良懿 http://zhihu.com/question/20158392/answer/18295400?utm_campaign=webshare&amp;utm_source=weibo&amp;utm_medium=zhihu

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