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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [PATCH] qemu-kvm: response to SIGUSR1 to start/stop a VCPU (v2) |
| Date: | Wed, 24 Nov 2010 03:08:35 +0100 |
| User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101103 Fedora/1.0-0.33.b2pre.fc14 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.6 |
On 11/24/2010 02:15 AM, Anthony Liguori wrote:
Is it signal safe?
Yes, at heart it is just a somewhat more expensive access to pthread_self()->some_array[key].
BTW, this is all only theoretical. This is in the KVM io thread code which is already highly unportable.
True, and newer versions of GCC emulate __thread even on Windows. Paolo
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