libev signal mask and thread

[Marc Lehmann]

On Fri, Apr 27, 2012 at 07:14:35PM +0400, Konstantin Osipov <kostja.osipov at gmail.com> wrote:
> How exactly does libev work with the process signal mask?

Exactly as documented - if you care for undocumented details, you could
look at the source, but these details *could* change.

> Is any manipulation with the thread signal mask in created threads
> necessary to ensure that signals actually arrive to the thread
> which is running the libev loop with appropriate watchers?

No, signals in posix are per-process, so you don't have to do
anything. Look at EVFGLAG_NOSIGMASK though, because libev might call
sigprocmask on it's own, which is not allowed in a threaded program (but
works on many platforms).

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