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SubjectPosix says "undefined". Re: Signal left blocked after signal handler.
Linus,

Posix says the behavior is undefined. See
http://www.opengroup.org/onlinepubs/007904975/functions/sigprocmask.html .
I think it makes sense to leave the 2.6 behavior as it is.

Thanks

Bruce

Linus Torvalds wrote:

> I personally think it is "good taste" to actually set the SA_NODEFER flag

> if you know you depend on the behaviour, but if there are lots of existing
>
>applications that actually depend on the "forced punch-through" behaviour,
>then I'll obviously have to change the 2.6.x behaviour (a stable
>user-level ABI is a lot more important than my personal preferences).
>
>But if ElectricFence is the only thing that cares, I'd rather just EF
>added a SA_NODEFER..
>
>


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