Re: [PATCH -v4] random: introduce getrandom(2) system call

From: Bernd Petrovitsch
Date: Wed Jul 30 2014 - 10:41:41 EST


On Mit, 2014-07-30 at 07:56 -0600, Bob Beck wrote:
> Pavel. I have bit 'ol enterprise daemon running with established file
> descriptors serving thousands of connections
> which periodically require entropy. Now I run out of descriptors. I
> can't establish new connections. but I should
> now halt all the other ones that require entropy? I should raise
> SIGKILL on my process serving these thousands
> of connetions? I don't think so.

If that long-running daemon periodically needs something from a device,
one would better keep the fd for that open the whole time. Saves some
CPU cycles and latency too BTW.

Bernd
--
"I dislike type abstraction if it has no real reason. And saving
on typing is not a good reason - if your typing speed is the main
issue when you're coding, you're doing something seriously wrong."
- Linus Torvalds

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