[PATCH 5/6] Optimize sighold implementation

[Zack Weinberg]

On Fri, Nov 3, 2017 at 5:41 PM Adhemerval Zanella <
adhemerval.zanella@linaro.org> wrote:

> This patch simplifies sighold a bit by removing an extra sigprocmask
> and using SIG_BLOCK (which union of the current set and the set argument).
>
LGtM. Might a similar improvement be possible for sigrelse?
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