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Re: [Qemu-devel] [PATCH 2/2] target/i386: trap on instructions longer th
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH 2/2] target/i386: trap on instructions longer than >15 bytes |
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Date: |
Fri, 13 Oct 2017 11:12:10 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
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~