From: Richard Henderson <richard.henderson@linaro.org>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/2] target/i386: trap on instructions longer than >15 bytes
Date: Fri, 13 Oct 2017 11:12:10 -0700 [thread overview]
Message-ID: <ccd1f71a-9920-7e14-2d4c-d38a3eab159a@linaro.org> (raw)
In-Reply-To: <f5592714-d129-9580-57d7-06de323503d8@redhat.com>
On 10/12/2017 02:43 PM, Paolo Bonzini wrote:
>> Any particular reason to use sigsetjmp(x, 0) instead of setjmp(x)?
>> Certainly there are no signal frames that the longjmp will pass...
>
> sigsetjmp is used to _not_ save the signal mask. On OS X setjmp saves
> the signal mask by default, which is slower.
Oh, bizarro. Thanks,
r~
next prev parent reply other threads:[~2017-10-13 18:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-12 14:35 [Qemu-devel] [PATCH 0/2] target/i386: trap on instructions longer than >15 bytes Paolo Bonzini
2017-10-12 14:35 ` [Qemu-devel] [PATCH 1/2] target/i386: introduce x86_ld*_code Paolo Bonzini
2017-10-12 16:30 ` Richard Henderson
2017-10-12 14:35 ` [Qemu-devel] [PATCH 2/2] target/i386: trap on instructions longer than >15 bytes Paolo Bonzini
2017-10-12 19:30 ` Richard Henderson
2017-10-12 21:43 ` Paolo Bonzini
2017-10-13 18:12 ` Richard Henderson [this message]
2017-10-12 16:55 ` [Qemu-devel] [PATCH 0/2] " no-reply
2017-10-12 19:07 ` no-reply
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