Re: [Gc] STW usage of signals

IIRC, the main issue is that sigsuspend is specified to be
async-signal-safe, while sem_wait is not.

Hans

On Sat, Nov 8, 2014 at 9:16 AM, Rodrigo Kumpera <[email protected]> wrote:

> Hey Guys,
>
> The mono VM is running short of usable signals on some targets and we're
> going to do signal multiplexing.
>
> We use the same signal based suspend/resume mechanism as bdwgc and I've
> been wondering on why sigwait was used instead of a semaphore to implement
> resume.
>
> This decision was made way way in the past but maybe someone still
> remember the rationale for it?
>
> --
> Rodrigo
>
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>

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