Add signalfd support (#5322)

* add signalfd_siginfo to linux bits

* Cast sigaddset's shift value to u5

* linux: add signalfd4

* os: add signalfd
a6626802f9luna committed on 7/22/2020, 9:26:27 PM· committed by GitHubparent9505bb7
3 files changedLine totals unavailable