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libevent2 and file io

原标题：libevent2 and file io

我先用手提2冲锋枪,我用手头阅读文件,但会打脚。是否有办法使读书不仅在行文内受阻。或者,我是否需要利用另一个综合图书馆来查阅档案,并抽取我所需要的活动。

fd = open("/tmp/hello_world",O_RDONLY);
evbuffer_read(buf,fd,4096);

O_NONBLOCK旗帜也不行。

最佳回答

在POSIX磁盘中,“灯具”是指它们总是被阻塞(这就是为什么O_NONBLOCK为你工作)。只有网络的袖珍才能无锁。

有了SPOSIX AIO,但是,例如,关于NO,存在着一些限制,使其不适合普通用途使用(只有O_DIRECT,I/O必须是部门调整)。

如果你想要将普通的胎盘纳入一个同步事件,那么看来人们会求助于read池,在这种池子里,阻塞器是在工人的read子下进行的。此类图书馆的一个例子是rel=“nofollow noreferer”>libeio。

问题回答

页: 1

I ve yet to see a *nix where You can do non-blocking i/o on regular file without using the more special (如太阳能,O_NONBLOCK具有效力) 其他人在案卷上lock锁。

请看一下Lbuv, 用于Node.js /io.js:

It s a good alternative to libeio, because it does perform well on all major operating systems, from Windows to the BSDs, Mac OS X and of course Linux. It supports I/O completion ports, which makes it a better choice than libeio if you are targeting Windows.

《刑法》也非常可读,我高度建议:。

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