Linux blocking signals to Python init

Question

This is a follow up to my other post Installing signal handler with Python. In short, Linux blocks all signals to PID 1 (including SIGKILL) unless Init has installed a signal h

Answer 1

The issue was a compatibility issue with Python compiled against uClibc 0.9.31 with old linux threads. Compiling against 0.9.32-rc3 and using NPTL has fixed the issue.