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Date: Wed, 24 Nov 2010 00:43:18 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH] qemu-kvm: response to SIGUSR1 to start/stop
	a VCPU (v2)
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To: Anthony Liguori <aliguori@linux.vnet.ibm.com>
Cc: Blue Swirl <blauwirbel@gmail.com>, Chris Wright <chrisw@sous-sol.org>, qemu-devel@nongnu.org, kvm@vger.kernel.org, Avi Kivity <avi@redhat.com>

On 11/23/2010 10:46 PM, Anthony Liguori wrote:
>>> +static __thread int sigusr1_wfd;
>> While OpenBSD finally updated the default compiler to 4.2.1 from 3.x
>> series, thread local storage is still not supported:
>
> Hrm, is there a portable way to do this (distinguish a signal on a
> particular thread)?

You can use pthread_getspecific/pthread_setspecific.

Paolo