ui: move protectedstdio() context manager from procutil

Authored by yuja.

Description

ui: move protectedstdio() context manager from procutil

This is a follow-up series for 23a00bc90a3c, "chgserver: do not send system()
back to client if stdio redirected." The function is renamed using ui terms.

Details

Committed
yujaSep 26 2018, 8:29 AM
Parents
rHG4948b327d3b9: cext: clang-format new code coming from stable branch
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