bpo-30808: Use _Py_atomic API for concurrency-sensitive signal state (#2417)

* Improve signal delivery

Avoid using Py_AddPendingCall from signal handler, to avoid calling signal-unsafe functions.

* Remove unused function

* Improve comments

* Use _Py_atomic API for concurrency-sensitive signal state

* Add blurb

Antoine Pitrou committed 8y ago

2c8a5e4c968217f9672340e520942c4ed788d8de

Parent: 68d663c

Committed by GitHub <noreply@github.com> on 7/17/2017, 10:25:19 AM