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SubjectRe: Some very thought-provoking ideas about OS architecture.
On Mon, Jun 21, 1999 at 11:45:27AM +0100, Alan Cox wrote:
> No. A message pass is a function call is a message pass.

I think the only real difference between a function call and a message
pass is that you can send a message asynchronously from the kernel to
a user application, while you need a different mechanism if you're
using system calls[1].

OG.

[1] Blocking syscalls waiting for the event, read() on fds, signals,
whatever.

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