child_process: tracking unrefdness of child_process
Affected core subsystem
child_process
Description of change
- initializing
_unref
tofalse
when child process is created - updating that value each time either
unref()
orref()
is invoked - this mirrors the implementation in
lib/net.js
- adding test to check unrefdness tracking
R= @Fishrock123 R= @trevnorris