Re: [Qemu-trivial] [Qemu-devel] [PATCH] tls.h: Enable TLS on FreeBSD

[Paolo Bonzini]

Il 25/06/2013 12:56, Peter Maydell ha scritto:
> On 24 June 2013 22:15, Paolo Bonzini <address@hidden> wrote:
>> I and Stefan Hajnoczi have almost the same idea implemented in QEMU
>> (except that get_foo() returns a pointer to the variable).  But
>> pthread_get/setspecific would be too slow for cpu_single_env, so we're
>> just switching to __thread for cpu_single_env (for Linux in our patches,
>> but you can add FreeBSD too once it's needed).
> 
> By the way, what's the plan for Windows? Does that support
> __thread too, or will there still need to be some windows
> specific magic?

__thread is supported but slow, so there is a small amount of
Windows-specific magic (but it won't affect the users of tls.h).

Paolo