Signal handler normalization
Signal handler normalization

Ignoring SIGPIPE signal is a part of the IO framework, not a part of
a usage within particular codec. Hence, the sigaction has been moved
to the helper function.

Arkq/bluez-alsa,Arkq/bluez-alsa,guillaumezin/bluez-alsa,guillaumezin/bluez-alsa,Arkq/bluez-alsa