From: Paolo Bonzini <pbonzini@redhat.com>
To: Alexandre Raymond <cerbere@gmail.com>
Cc: "Andreas Färber" <andreas.faerber@web.de>,
qemu-devel@nongnu.org, "Damjan Marion" <damjan.marion@gmail.com>
Subject: Re: [Qemu-devel] qemu crashes on Mac OS X
Date: Tue, 26 Jul 2011 10:46:53 +0200 [thread overview]
Message-ID: <4E2E7EFD.7030703@redhat.com> (raw)
In-Reply-To: <CAHWZs7XABZWY_pSY0JdNNGx7jfavYhkS-Lm_+MSbWuaeaKYXZQ@mail.gmail.com>
On 07/26/2011 06:58 AM, Alexandre Raymond wrote:
> +#ifdef __APPLE__
> + if (sig == 0) continue;
> +#endif
>From looking at the code this should not happen:
http://fxr.watson.org/fxr/source/bsd/kern/kern_sig.c?v=xnu-792#L986
1046 sigw = (ut->uu_sigwait & siglist);
...
1053 signum = ffs((unsigned int)sigw);
1054 if (!signum)
1055 panic("sigwait with no signal wakeup");
1056 ut->uu_siglist &= ~(sigmask(signum));
1057 if (uap->sig != USER_ADDR_NULL)
1058 error = copyout(&signum, uap->sig, sizeof(int));
??
Paolo
next prev parent reply other threads:[~2011-07-26 8:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-01 9:17 [Qemu-devel] qemu crashes on Mac OS X Damjan Marion (damarion)
2011-07-01 14:56 ` Damjan Marion
2011-07-04 16:59 ` Alexandre Raymond
2011-07-04 22:35 ` Damjan Marion
2011-07-05 19:03 ` Alexandre Raymond
2011-07-26 4:58 ` Alexandre Raymond
2011-07-26 8:46 ` Paolo Bonzini [this message]
2011-07-26 13:08 ` Alexandre Raymond
2011-07-26 14:25 ` Alexandre Raymond
2011-07-27 13:24 ` Damjan Marion
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