[TUHS] signals and blocked in I/O
dave at horsfall.org
Sat Dec 2 09:21:23 AEST 2017
On Fri, 1 Dec 2017, Chris Torek wrote:
> This part is natural, since signal delivery means "run a function in
> user space, with user privileges". If you're currently *in* the kernel
> on behalf of some user process, that means you have to get *out* of it
> in that same process.
Which leads to the classic comment (it's right up there with the famous
"line 2238") along the lines of "we ask a process to do something to
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."
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