Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 6 Mar 2007 09:19:35 +0100 | From | Pavel Machek <> | Subject | Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 |
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> >As for why common abstractions like file are a good thing, think about why > >having "/dev/null" is cleaner that having a special plug DEVNULL_FD fd > >value to be plugged everywhere, > > This is a stupid comparaison. By your logic we should also have /dev/stdin, > /dev/stdout and /dev/stderr.
Bzzt, wrong. We have them.
pavel@amd:~$ ls -al /dev/std* lrwxrwxrwx 1 root root 4 Nov 12 2003 /dev/stderr -> fd/2 lrwxrwxrwx 1 root root 4 Nov 12 2003 /dev/stdin -> fd/0 lrwxrwxrwx 1 root root 4 Nov 12 2003 /dev/stdout -> fd/1 pavel@amd:~$ ls -al /proc/self/fd total 0 dr-x------ 2 pavel users 0 Mar 6 09:18 . dr-xr-xr-x 4 pavel users 0 Mar 6 09:18 .. lrwx------ 1 pavel users 64 Mar 6 09:18 0 -> /dev/ttyp2 lrwx------ 1 pavel users 64 Mar 6 09:18 1 -> /dev/ttyp2 lrwx------ 1 pavel users 64 Mar 6 09:18 2 -> /dev/ttyp2 lr-x------ 1 pavel users 64 Mar 6 09:18 3 -> /proc/2299/fd pavel@amd:~$
> >But here the list could be almost endless. > >And please don't start the, they don't scale or they need heavy file > >binding tossfeast. They scale as well as the interface that will receive > >them (poll, select, epoll). Heavy file binding what? 100 or so bytes for > >the struct file? How many signal/timer fd are you gonna have? Like 100K? > >Really moot argument when opposed to the benefit of being compatible with > >existing POSIX interfaces and being more Unix friendly. > > So why the HELL don't we have those yet? Why haven't you designed > epoll with those in mind? Why don't you back your claims with patches? > (I'm not a kernel developer.)
Either stop flaming kernel developers or become one. It is that simple.
Pavel
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