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Re: [Qemu-devel] main-loop.c: About Select handling
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] main-loop.c: About Select handling |
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Date: |
Tue, 11 Dec 2012 11:12:10 +0100 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Dec 06, 2012 at 12:30:19AM +0000, Furukawa, Eiji wrote:
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> The select() do not masked signal in os_host_main_loop_wait.
>
> For example, qemu-timer.c gives SIGALRM regularly.
> Even if a buffer of select is empty,
What does "a buffer of select is empty" mean?
> I think that it is a problem that this select() does exit by this SIGALRM.
The main loop will iterate again. Why is it a problem if select()
returns?
Stefan