| Date | Wed, 14 Feb 2007 05:42:32 +0100 | From | Willy Tarreau <> | Subject | Re: [patch 00/11] ANNOUNCE: "Syslets", generic asynchronous system call support |
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Hi Ingo !
On Tue, Feb 13, 2007 at 03:20:10PM +0100, Ingo Molnar wrote: > I'm pleased to announce the first release of the "Syslet" kernel feature > and kernel subsystem, which provides generic asynchrous system call > support: > > http://redhat.com/~mingo/syslet-patches/ > > Syslets are small, simple, lightweight programs (consisting of > system-calls, 'atoms') that the kernel can execute autonomously (and, > not the least, asynchronously), without having to exit back into > user-space. Syslets can be freely constructed and submitted by any > unprivileged user-space context - and they have access to all the > resources (and only those resources) that the original context has > access to.
I like this a lot. I've always felt frustrated by the wasted time in setsockopt() calls after accept() or before connect(), or in multiple calls to epoll_ctl(). It might also be useful as an efficient readv() emulation using recv(), etc...
Nice work ! Willy
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